专利摘要:
The present invention relates to a method for assembling a foundation column, such as a composite foundation pile, comprising steps for: - providing a number of foundation column parts for forming the foundation column therewith, - driving successive column parts into the ground, the method is characterized by steps for: - inserting at least one vibration absorber and / or a kit compound into the foundation column by arranging and / or forming the at least one vibration absorber or a kit on at least one of the column parts. The invention further relates to a foundation column part for assembling a foundation column using a number thereof, preferably using at least one vibration absorber. The invention further relates to a vibration absorber comprising a primary vibration absorber for receiving a primary part of vibratory energy to be absorbed, the primary vibration absorber having a substantially annular shape, preferably for use around a male part of a male-female coupling.
公开号:NL2019619A
申请号:NL2019619
申请日:2017-09-22
公开日:2018-03-27
发明作者:Peter Henriëtte Pudelko Oskar
申请人:Oskar Peter Henriette Pudelko;
IPC主号:
专利说明:

FOUNDATION METHOD, FOUNDATION COLUMN AND VIBRATION ABSORPTION BODY
The present invention relates to a method for assembling a foundation column, such as a composite foundation pile. The present invention furthermore relates to a prefab foundation column part for assembling a foundation column using a number thereof, preferably using at least one vibration absorber. Furthermore, the present invention relates to a vibration absorber comprising a primary vibration absorber for receiving a primary portion of vibratory energy to be absorbed, the primary vibration absorber having a substantially annular shape, preferably for use around a male portion of a male female coupling.
It is known per se to renovate a foundation using a foundation column composed of foundation column parts. This technology has been under development for several years and was initially implemented by means of hollow steel pipes that were successively driven into the ground and welded together. This method was found not to function satisfactorily and then a system was applied with a steel pipe in a concrete casing.
This system has some disadvantages, including high costs and difficult processability, that the present invention aims to solve. To this end, the present invention provides a method for assembling a foundation column, such as a composite foundation pile, comprising steps for: - providing a number of foundation column parts for forming the foundation column therewith, - driving successive column parts into the ground, The method is characterized by steps for: - inserting at least one vibration absorber and / or a kit compound into the foundation column by arranging and / or forming the at least one vibration absorber or a kit on at least one of the column parts.
An important advantage of an embodiment according to the present invention is that one or more of the successively arranged foundation column parts can be arranged and / or fixed in a flexible manner relative to each other. This provides substantial means for reducing or damping vibrations in the soil to the structure built on the foundation. Such a kit can be applied in liquid or cured form.
A further advantage according to the present invention is that in case of subsidence of the ground relative to the structure, adjustments in the length of the foundation column can be realized in a simple manner. For example, it is relatively easy to replace the upper foundation column part for a longer one where in the prior art the removal of such an element was very laborious.
According to a first preferred embodiment of the present invention, a vibration absorber is inserted between the upper two foundation column parts when forming the foundation column. Inserting a vibration absorber into the column is relatively easy because this aspect of the work only needs to be performed once.
Preferably, during the formation of the foundation column, two or more vibration absorption means are inserted between three or more of the respective foundation column parts. In such a preferred embodiment, a vibration-absorbing effect is provided in a relatively large part of the column.
According to a further preferred embodiment, the vibration absorber comprises: - a primary vibration absorber for receiving a primary part of vibratory energy to be absorbed, the primary vibration absorber having a substantially annular shape, preferably for use around a male part of a male female coupling.
Such a primary vibration absorber is preferably applied to a relatively large surface for absorbing forces. The outlined preference for application around a male part of a male female coupling can also be embodied in a form as applied to a female part of a male female coupling, for example in an embodiment in which the male part of the male female coupling relative to the surface of the foundation column parts large surface.
In a further preferred embodiment of the method, the vibration-absorbing means comprises: - a secondary vibration-absorbing means for receiving a secondary part of vibrating energy to be absorbed, preferably for application to a male part of a male-female coupling, - connecting means for providing of a connection between the primary vibration absorber and the secondary vibration absorber.
It is hereby provided that the entire vibration-absorbing member can be made of a material, but it is equally provided that the vibration-absorbing members are made of a material other than the material of the connecting means, for example, of a material with a relative high density with respect to the material of the connecting means. It is further provided to fill the space between the male-female connection with a castable material instead of an integrated construction between these parts. With this, for example, the connecting means can be molded during the execution of the method. Such an embodiment is for instance provided in combination with a bayonet connection between respective foundation column parts.
The connecting means are further preferably formed for substantially filling a space between the male and female connection of two respective foundation columns. This provides, for example, the advantage that moisture can be displaced from this space.
A further aspect according to the present invention relates to a prefab foundation column part for assembling a foundation column, using a number thereof, preferably using at least one vibration absorption member, the foundation column part comprising: - a, preferably elongated, casting body with two end sides - the first of the end sides comprising a first coupling member, such as a male part of a male female coupling, - the second of the end sides comprising a second coupling member, such as a female part of a male female coupling, wherein - the coupling means are formed as part of the casting body .
This provides a processability that is unknown in the prior art. The manufacture of such a foundation column part can be done at unprecedentedly low costs. Furthermore, such a foundation column part can be used advantageously with vibration-damping measures. Such a foundation column part can be applied in a simple manner with elastic materials therefor, such as polymers, rubbers or the like.
According to a further preferred embodiment, the body comprises cast-in weapon members for reinforcing a coupling member, preferably for reinforcing a coupling member extending from the casting body. Such arm organs, for example when arranged in a male part of the male-female connection, provide a significant firming action to these male parts. The parts of a casting body forming the female parts can also be advantageously reinforced by means of such a weapon member.
The foundation column parts furthermore preferably comprise two, three, four or five cast-in weapon members.
For rotational driving of the foundation column parts into the bottom, it preferably comprises rotation blocking means, such as a transverse pin or a bayonet gate and a slide-in slot cooperating with the transverse pin or bayonet, for blocking rotation between two foundation column parts arranged on top of each other .
Such a bayonet member is preferably arranged in the male-female construction, preferably molded into the male part thereof by means of a pin, and preferably the female part thereof is provided with a slot into which this pin can be inserted. In plan view, the pin protrudes one-sided or two-sided from the male part and a corresponding number of slots are arranged in the female part. Preferably, the bayonet member or pin is coupled to one or more of the reinforcements in the male part.
A further aspect according to the present invention relates to a vibration absorption device for use in one or more of the preceding method claims and / or for use in a device according to one or more of the preceding device claims, the vibration absorption device comprising: - a primary vibration absorption device for receiving a primary portion of vibration energy to be absorbed, the primary vibration absorber having a substantially annular shape, preferably for use around a male portion of a male-female coupling.
By means of such a vibration absorber, it is achieved that vibrations are transmitted in damped form between two foundation column parts arranged successively with respect to each other.
In a further preferred embodiment, the vibration-absorbing means comprises: - a secondary vibration-absorbing means for receiving a secondary part of vibrating energy to be absorbed, preferably for application to a male part of a male-female coupling, - connecting means for providing a connection between the primary vibration absorber and the secondary vibration absorber.
This provides similar advantages as described with reference to the foregoing aspects.
The primary vibration absorption member further comprises preferably an elastic material, preferably a polymer, more preferably a rubber, or a mixture of such materials, further preferably supplemented with fillers. The primary vibration absorber further comprises preferably a laminate of at least one elastic material and at least one non-elastic material, such as a metal. Through these measures, situationally optimized solutions can be provided. The secondary vibration absorber is preferably also of a similar construction.
For the purpose of filling the space between two consecutive foundation column parts in situally suitable manner, the connecting means comprise an elastic material and / or a foaming, preferably open-cell or closed-cell material.
Further advantages, features and details of the present invention will be described in greater detail below with reference to one or more preferred embodiments with reference to the attached figures. Similar but not necessarily identical components of different preferred embodiments are designated with the same reference numerals.
FIG. 1 relates to a cross-sectional, top view and bottom view of a first preferred embodiment according to the present invention.
FIG. 2 is a sectional, top view and bottom view of a further preferred embodiment of the present invention.
FIG. 3 relates to two schematic sectional views of a foundation column according to the present invention during use according to a preferred embodiment.
FIG. 4 is a sectional, top view and bottom view of a further preferred embodiment of the present invention.
FIG. 5 relates to a cross-section, top view and bottom view of a further preferred embodiment according to the present invention.
FIG. 6 relates to a cut-away schematic perspective view of a further preferred embodiment according to the present invention.
FIG. 7 is a schematic cross-sectional view of a further preferred embodiment of the present invention.
A first preferred embodiment (Fig. 1) according to the present invention relates to a foundation column part 1. This comprises a substantially cylindrical casting body 2 with an integrated male part 3 of a male female coupling as well as a female part 4 of the male female coupling integrated therewith. Hereby foundation column parts can be stacked on top of each other during their placement in the soil. The casting part is preferably manufactured by means of a mortar, such as comprising a type of concrete, such as high-pressure concrete, polymer concrete, fiber-reinforced concrete or the like.
The male part 3 of the male female coupling is formed by a stub extending from one of the end surfaces of the casting part, preferably with a conical shape with a flattened end. This stub is bounded by the walls 12, 13 and extends from the surface 11 of the casting. In a subsequent manner, a female part is formed on the other side of the casting part by means of the opening arranged in the surface of the casting part. This opening is bounded by the walls 22, 23 and is formed in the wall part 21 of the casting part.
Furthermore, in FIG. 1 shows a preferred embodiment of a vibration absorber. On the annular surface of the male-female coupling, the vibration-absorbing member has an annular part 16. At the end part of the male part of the male-female coupling, the vibration-absorbing member has a disk-shaped part 17. This disk-shaped part 17 can be made of the same material as annular part 16, but may also comprise a filling material for filling the space between the male parts and the female parts of the respective male-female connections. In this preferred embodiment, connecting part 18 extends between the annular part 16 and the disc-shaped part 17. The connecting part 18 is formed such that it connects to the male and female part of the male-female connection.
The preferred embodiment of FIG. 2 is substantially the same as the preferred embodiment according to FIG. 1. A difference is that the male part 3 of the male-female connection is provided with a reinforcement 32, preferably implemented as a double reinforcement, triple reinforcement, quadruple reinforcement or multiple reinforcement. This reinforcement provides additional strength to the casting material of the casting part.
It is further provided that a pin 37 is arranged protruding from the male part, which pin can be inserted into a slot 36 in the female part. Alternatively a pin 38 can be arranged in the opening 4 of the female part, which pin 38 can be inserted in a slot 39 in the male part 3 of the male-female connection.
Herewith a rotation can be provided to an upper foundation column part which can thereby be transferred to a next foundation column part and to further following foundation column parts.
FIG. 3, two foundation columns are shown schematically. This foundation column supports a building 9. In FIG. Fig. 3A shows an arrangement of which 4 foundation column parts with vibration absorption member 5 thereon (these parts are shown schematically) and with an upper foundation column part arranged on the vibration absorption member 5. A damping effect is hereby provided by the vibration-absorbing member 5, which can be made relatively thick because of its single design. A kit or an adhesive is provided between the foundation column parts arranged below.
In FIG. 3 B shows a foundation column with a vibration absorber 5 between every 2 successive foundation column parts for absorbing the vibrations over the whole of the column.
In FIG. 4, a foundation column part is shown with a reinforcement element 41 incorporated in the male part of the male-female connection. This reinforcement element further serves to provide a bayonet pin 42 which couples the male part of a first foundation column part to a female part of a second foundation column part. The female part is provided for this purpose with two slots in which the pin 42 slides vertically. This coupling provides the possibility of rotationally fixing the foundation column parts mutually longitudinally. A foundation pile can hereby be formed which can be rotated during insertion.
The reinforcement element can be inserted in a casting mold for the foundation element. This element is cast in with the concrete. Thereby it provides both a reinforcement effect and a functional effect with regard to the mutual rotational fixing of the various parts.
The female part comprises slots 42 'extending downwardly from above or channels for collapsing the pin 42 therein.
A variant of the embodiment according to FIG. 4 is shown in FIG. 5. A substantially U-shaped part with a letter as a reinforcement element is cast in the foundation column part. The writer serves as a bayonet pin 52. The vertical connections 53 and the horizontal connection 54 form the reinforcement of the element.
It is provided that the measures of the variants according to FIG. 4 3n 5 independently of the variants according to Figs. 1-3 can be included in an independent claim.
The invention thus relates to a rotatable embodiment without a shock absorber. It is alternatively provided that a stackable version can be used without a shock absorber.
According to a further embodiment, a longitudinal channel is formed in the foundation column part. Such a channel can be used to allow a mortar to pass through from the top of the pile to the bottom after forming or during formation of the foundation pile for creating an additional reinforcement on the pile by means of the mortar.
In FIG. 6 a preferred embodiment is shown with a substantially square tube or profile 61 arranged in the casting body 2 of a foundation column part. A close-fitting coupling element 62 is arranged in the square tube or profile 61. Successive casting body and 2 are hereby mutually coupled. It is further provided that by inserting a suitable tool a foundation column part can be rotated, as a result of which the foundation column parts can be forced into the ground by means of rotation. A coupling element or a tool that can be clamped in the square tube or profile 61 is provided as such a tool.
Furthermore, in this preferred embodiment, as well as in other preferred embodiments, a reinforcement is provided for reinforcing the concrete and for reinforcing the concrete around the square tube or profile 61. This reinforcement 65 preferably extends coaxially around the square tube or profile. 61. A radial reinforcement 64 is provided alternatively. Reinforcement based on fiber material is also provided.
In FIG. 7 a further preferred embodiment is shown. A thread is arranged around the outer surface of the casting body around the outer surface thereof. This screw thread 72 is preferably provided in an outer surface of a tubular molded element 71. An adjacent cast piece is provided with a tubular molded element 73 with an internal screw thread.
With this, 2 consecutive foundation column parts can be mutually coupled.
Combinations of the measures of the various preferred embodiments are provided. For example, for rotating the embodiment of Figs. 7 the combination with the coupling means of FIG. 6 provided.
Alternatively, as shown in FIG. 8, rod 81 comprising a carbon fiber-reinforced resin used as reinforcement element, which can preferably be coupled by screw connection 82 to a rod in a foundation column part underlying and / or superimposed foundation column part in the composite foundation pile. It is provided here that a sleeve 83 provided with an internal screw thread 84 is incorporated in a downwardly directed end face of a foundation column part, while an end of this reinforcement element provided with external screw thread 85 is provided protruding from the other end face of the foundation column part. This external thread may be provided in the resin material as well as in an added element, such as an annular element with an external thread arranged therein.
In this foundation column part according to FIG. 8 is further a body 86 arranged with a low density, the body formed by a volume of polystyrene; however, a body formed by an air-enclosing plastic wall, such as a bottle, is also provided. A rod is arranged in the body which is provided with a screw thread in the cavity at the top. In the coupling part on the underside, rod is connected to a sleeve which is provided with an internal screw thread for receiving the screw thread from the opposite side when two foundation column parts are arranged on top of each other to form the foundation. This creates a solid coupling that protects the foundation piles against lateral forces or ground movement.
Furthermore, an abutment element 89 is arranged at the bottom of the female part of the male-female connection to provide a support with respect to a casting mold for manufacturing the foundation column part. Also, a plug 88 is inserted into the sleeve 83 with the internal thread to keep the thread free during the casting of the male part of the male-female connection. After removal of the plug 88, the sleeve 83 is adapted to receive the end portion of the rod 81 arranged in the female portion of the male-female connection. As a result, two consecutive foundation column parts can be coupled to each other by means of the screw thread.
The present invention has a method for manufacturing a foundation column part. In this method, a mold is arranged horizontally such that two vertical side walls thereof each form a respective end side of the foundation column part. This is particularly important because the distance between the 2 vertical side walls of the casting mold forms the end sides of the foundation column part. These end sides must be flat for proper formation of the final foundation piles. The length of the foundation column part is also directly determined by the size of the casting mold. This prevents expensive work such as the flat cutting of the end sides of the foundation column section.
In the case of the use of fixable, such as screwable coupling means between successive foundation-column parts, the vibration absorber is optional. In this case, the characteristic step is the coupling of foundation column parts that can be arranged on top of each other by means of fixing, such as screwing of respective coupling means.
A further alternative construction of a foundation column part according to the present invention is shown in FIG. 9. A substantially annular, elongated casting member 101 forms, together with a casting member 102, a casting member 103 and a rod 81, similarly shaped as the rod 81 of FIG. 8, a foundation column section.
The inner wall of elongated casting part 101 is tapered for receiving therein externally tapered casting part 102. These parts together form the female part of the male-female connection at the top with the part of the rod 81 projecting therein.
At the other end of the elongated casting part 101, the casting part 103 is inserted with the widened part 104 thereof. The narrow part 105 of the casting part 104 forms the male part of the male-female connection at the bottom.
A kit, glue and / or paste is provided for closing the hollow space in the interior, which is enclosed by dividing 101, 102 and 103.
FIG. 10 shows a detail of the rod 81 with the screw thread 85 and the sleeve with the internal screw thread for cooperation with the screw thread 85. Between the screw thread of the sleeve and of the rod there is also provided an adhesive, sealant and / or paste for sealing or sealing thereof.
An alternative variant of providing a shock absorption at the top of the foundation is shown in FIG. 11. At the top of the foundation pile 1, two discs 111, 112 of shock-absorbing material are arranged. These discs 111, 112 are separated from each other by means of a plate 113, 114.
FIG. 12 shows a fastening method for the discs by means of threaded ends 121 which are rotated in threaded end supports 122 of a plate 123, which may be similar to the plates 113 and 114. The purpose of this is an advantageous orientation of a rubber disc 124, which can be similar can be provided on the discs 111, 112. For example, it is advantageous if, during arrangement of the foundation piles, the discs which are to provide the shock absorption are correctly positioned relative to the foundation pile.
Prefab foundation column part for assembling a foundation column, using a number thereof, preferably using at least one vibration absorber, the foundation column part comprising: - a, preferably elongated, body with two end sides, - comprising the first of the end sides a first coupling member, such as a male part of a male female coupling, - the second of the end sides comprising a second coupling member, such as a female part of a male female coupling, wherein - the coupling means are preferably mutually connectable by means of an elongated connecting member.
Such prefab foundation column part wherein the elongated connecting member is provided with an external screw thread.
Such prefab foundation column part further comprising a coupling member with an internal screw thread for coupling successive elongated connecting members.
Such prefab foundation column part wherein the coupling member is arranged at the male part of the male female coupling, more preferably at the female part of the male female coupling.
Such prefab foundation column part wherein the elongated connecting member extends from the body into the female part of the male-female coupling, preferably over a part of the height thereof for coupling with the coupling member arranged in the male part.
Such prefab foundation column part in which an end part forming the male part of the male-female coupling can be arranged in an end part of the body.
Such prefab foundation column part in which an end part forming the female part of the male-female coupling can be arranged in an end part of the body.
In the foregoing, the present invention has been described with reference to a few preferred embodiments. Different aspects of different embodiments are considered described in combination with each other, whereby all combinations that are considered to be read by a person skilled in the art on the basis of this document are included in the understanding of the invention. These preferred embodiments are not limitative of the scope of this document. The rights requested are defined in the appended claims. *****
权利要求:
Claims (26)
[1]
A method for assembling a foundation column, such as a composite foundation pile, comprising steps for: - providing a number of foundation column parts for forming the foundation column therewith, - driving successive column parts into the ground, the method being characterized by steps for: - inserting at least one vibration absorber and / or a kit compound into the foundation column by arranging and / or forming the at least one vibration absorber or a kit on at least one of the column parts.
[2]
Method according to claim 1, wherein a vibration absorber is inserted between the upper two foundation column parts when forming the foundation column.
[3]
Method according to claim 1, wherein during the formation of the foundation column two or more vibration absorption means are inserted between three or more the respective foundation column parts.
[4]
Method according to one or more of the preceding claims, the vibration-absorbing device comprising: - a primary vibration-absorbing device for receiving a primary part of the vibration energy to be absorbed, the primary vibration-absorbing device having a substantially annular shape, preferably for use around a male part of a male-female coupling.
[5]
Method according to claim 4, the vibration-absorbing device comprising: - a secondary vibration-absorbing device for receiving a secondary part of vibrating energy to be absorbed, preferably for application to a male part of a male-female coupling, - connecting means for providing a connection between the primary vibration absorber and the secondary vibration absorber.
[6]
Method according to claim 5, wherein the connecting means are formed for substantially filling a space between the male and female connection of two respective foundation column parts.
[7]
Prefab foundation column part for assembling a foundation column, using a number thereof, preferably using at least one vibration absorber, the foundation column part comprising: - a, preferably elongated, casting body with two end sides, - the first of the end sides comprising a first coupling member, such as a male part of a male female coupling, - the second of the end sides comprising a second coupling member, such as a female part of a male female coupling, wherein - the coupling means are formed as part of the casting body.
[8]
8. Foundation column part according to claim 7, the body comprising cast-in arm members for reinforcing a coupling member, preferably for reinforcing a coupling member extending from the casting body.
[9]
9. Foundation column part according to claim 7 or 8, comprising two, three, four or five cast-in weapon members.
[10]
10. Foundation column part according to one or more of the preceding claims, comprising rotation blocking means, such as a transverse pin or a bayonet member and a slide-in slot cooperating with the transverse pin or bayonet, for blocking rotation between two foundation column parts arranged on top of each other.
[11]
11. Foundation column part for assembling a foundation column, using a number thereof, preferably using at least one vibration absorber, the foundation column part comprising: - a, preferably elongated, casting body with two end sides, - the first of the end sides comprising a first coupling member, - a coupling element molded into the casting body or molded onto the casting body, wherein the coupling element is preferably a polygon, viewed in the longitudinal direction of the foundation column part, such as a quadrangle, wherein the coupling element is furthermore preferably suitable for coupling with a rotation drive for driving the foundation column part or a support pole comprising a number of foundation column parts using rotation in a bottom.
[12]
12. Foundation column part according to one or more of the preceding claims, comprising an insertion element for insertion into the coupling element.
[13]
Foundation column part according to one or more of the preceding claims, comprising a screw thread arranged substantially on an outer surface, such as by means of a screw thread element, for providing a coupling between 2 consecutive foundation column sections by means of the screw thread.
[14]
14. Foundation column part according to claim 13, wherein the screw thread is formed by means of a metal, substantially tubular element.
[15]
Foundation column part according to one or more of the claims 7-14, comprising reinforcement comprising a carbon fiber-reinforced resin, molded into the casting body in rod form.
[16]
Foundation column part according to one or more of claims 7-15 comprising an internal volume with a density saving a weight saving, such as with a density of less than 20%, where further preferably with a density of less than 10%, at further preferably with a density of less than 5% of the remaining material.
[17]
The foundation column part of claim 16 wherein the inner volume comprises a foam material or wherein the inner volume comprises an air container, such as a bottle or vessel.
[18]
18. Vibration absorption device for use in one or more of the preceding method claims and / or for use in a device according to one or more of the preceding device claims, the vibration absorption device comprising: - primary vibration absorption device for receiving a primary part of vibration energy to be absorbed, the primary vibration absorption member having a substantially annular shape, preferably for use around a male part of a male-female coupling.
[19]
A vibration absorption device according to the preceding claim comprising: - a secondary vibration absorption device for receiving a secondary part of vibrating energy to be absorbed, preferably for application to a male part of a male-female coupling, - connecting means for providing a connection between the primary vibration absorber and the secondary vibration absorber.
[20]
A vibration absorption device according to the two preceding claims, wherein the primary vibration absorption device comprises an elastic material, preferably a polymer, more preferably a rubber, or a mixture of such materials, further preferably supplemented with fillers.
[21]
A vibration absorption device according to the three preceding claims wherein the primary vibration absorption device comprises a laminate of at least one elastic material and at least one non-elastic material, such as a metal.
[22]
A vibration absorption device according to the four preceding claims, wherein the secondary vibration absorption device has a similar structure.
[23]
Vibration absorption member according to the five preceding claims, wherein the connecting means comprise an elastic material and / or a foamed, preferably open-cell or closed-cell material.
[24]
Method for manufacturing a foundation column part, as claimed in one or more of claims 7-17, comprising steps for: - preparing a casting mold for forming a casting body, - filling the casting mold with casting material for forming the casting body, - wherein the casting mold is provided with, during use, vertical side walls forming a first and a second end side of the casting body, and - wherein during casting the end sides of the casting body are formed by the respective side walls of the casting mold .
[25]
25. Method for manufacturing the foundation column part according to claim 21, comprising steps for fixing reinforcement material to be formed in the casting body relative to the casting mold.
[26]
26. Method for manufacturing the foundation column part according to claim 24 or 25, comprising steps for applying a casting material expelling body in the casting mold to provide a volume with a low density. * * * * -k
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同族专利:
公开号 | 公开日
NL2017517B1|2018-07-23|
NL2019619B1|2018-07-23|
NL2017517A|2018-03-27|
WO2018084697A1|2018-05-11|
引用文献:
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法律状态:
2021-05-12| MM| Lapsed because of non-payment of the annual fee|Effective date: 20201001 |
优先权:
申请号 | 申请日 | 专利标题
NL2017517A|NL2017517B1|2016-09-22|2016-09-22|Foundation method, foundation column part and vibration absorber|
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