• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Machine foot, with embedded weighing cell where the weighing cell is suspended in an overlying sheath, and which is new in that the bolts holding the weighing cell in place in the bottom of the machine foot pass through a base plate and are screwed up in a fixing ring that is separated from the sheath material. Also disclosed is a method of producing a machine foot whereby a rubber mass is cast into the casing of the machine foot and vulcanized thereto as the fixation ring is embedded in the rubber mass in an area adjacent to the underside of the casing.
    公开号:DK201770115A1
    申请号:DKP201770115
    申请日:2017-02-20
    公开日:2018-03-12
    发明作者:Tomas Hecht Olsen
    申请人:Ngi As；
    IPC主号:
    专利说明:

    09) DENMARK
    0 °) DK 2017 70115 A1
    (12)
    PATENT APPLICATION
    Patent and
    Trademark Office (51) (21) (22) (24) (41) (30) (71) (72) (74) (54) (56) (57)
    Int.CI .: F16 M 7/00 (2006.01)
    Application Number: PA 2017 70115
    Filing Date: 2017-02-20
    Running Day: 2017-02-20
    Aim. available: 2018-03-03
    Priority: 2016-09-01 DK PA 2016 70671
    Applicant: NGI A / S, Virkelyst 5 - 7, 9400 Nørresundby, Denmark
    Inventor: Tomas Hecht Olsen, Stoholm 15, 9270 Klarup, Denmark
    Plenipotentiary: PATENT NORD ApS, Østergade 36, 9400 Nørresundby, Denmark
    Designation: Machine foot with embedded weighing cell and method of production thereof
    Published publications:
    WO 2015/197065 A1
    EP 0670480 A1
    FR 2926634 A1
    Summary:
    Machine foot, with embedded weighing cell where the weighing cell is suspended in an overlying sheath, and which is new in that the bolts holding the weighing cell in place in the base of the machine foot pass through a base plate and are screwed up in a fixing ring that is separated from the sheath material. Also disclosed is a method of producing a machine foot whereby a rubber mass is cast into the casing of the machine foot and vulcanized thereto as the fixation ring is embedded in the rubber mass in an area adjacent to the underside of the casing.
    To be continued ...
    DK 2017 70115 A1


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    DK 2017 70115 A1
    Machine foot with embedded weighing cell and method of production thereof
    The invention relates to a machine foot, with embedded weighing cell where the weighing cell is suspended in an overlying jacket.
    Such a weighing cell is known from PCT / DK / 2015/050151. The weighing cell shown in this application is suspended in bolts holding a base plate relative to a sheath, the bolts being secured with threads directly from below through the base plate and up into the sheath material. The bolts hold the weighing cell in place so that it does not fall down from the base of the machine foot, and at the same time they can carry the weight of the machine in which the foot is mounted, in the case where the base of the foot is only supported along its edge outside the perimeter of the base plate, and the base plate thereby not in contact with the substrate or receiving pressure from the substrate.
    The known machine foot requires a fairly thick sheath material for the bolts to have a solid bracket, and this makes the foot heavy and even expensive to manufacture.
    According to the invention, a machine foot with embedded weighing cell is produced in which the bolts holding the weighing cell in place in the bottom of the machine foot pass through the bottom plate and are screwed up into a fixing ring separate from the sheath material.
    By this alternative to the prior art, a machine foot is obtained in which the thickness of the sheath material is not equally important for its load capacity. It is because the thread in which the screws are fixed is provided in a dedicated ring for the purpose, so that in the ring the necessary thickness of the internal thread can be secured, in which the bolts must be mounted while keeping the thickness of the casing small. It would be possible to make the casing and ring in a piece of steel where the casing material in
    DK 2017 70115 A1 provides the thickness of the bolts with a larger thickness than the surrounding material, but this would complicate the geometry of the sheath and make it less production friendly, for example it could not be punched out of relatively thin-walled sheet material and subsequently cold pressed or otherwise formed into it. desired bowl-shaped geometry. The pressure that is carried down through the column through the weighing cell and down towards the base plate is thereby more or less carried by the bolts, and thereby by the fixing ring, and finally via the fixation ring's adhesive to the sheath of the sheath itself, so that the weighing cell cannot move downwards in the foot without the sheath. keeping up.
    It is preferred that the ring has knobs with added material, where the bolts attach to it, so that around each thread hole there is a thickness of material which is at least no less than the radius of the thread hole. Thus, the ring may well have a cross-section across the perpendicular direction between the threaded holes whose area does not exceed the cross-sectional area of the bolts.
    It should be noted that the connection between the base of the machine foot and its column does not allow compressive forces from the column to be transferred directly to the upper surface of the jacket. The compressive forces are transferred from the column via a carrier bolt and associated bolt head directly to the top of the weighing cell. However, via a sealing ring, the column abuts against the upper surface of the jacket along an underlying edge of the column. The bolt head of the bearing bolt is under the sheath, and has a shaft which extends through the opening of the sheath at the top. The support bolt may be formed with a long shaft for screw mounting from below in a threaded hole in the column, or it may be formed with a short shaft without threads, so that the bolt head at its downward contact surface transmits pressure to the top of the weighing cell and at its upward contact surface at the end of a short shaft receives pressure via system from the underside of the column. In the latter case, the column can be lifted off the foot without further ado, and in the former case the foot and column will form a coherent yet separable unit.
    DK 2017 70115 A1
    It is preferred, as set forth in claim 3, that a gap between the fixing ring and the casing is molded with a curable casting material. This provides a secure and strong connection between the jacket and the fixing ring, which can be easily established. The curable casting material may comprise, for example, a rubber material which can be vulcanized. The advantage of such hardenable materials is that they adhere with considerable strength to the metals used for the fixing ring and to the sheath, i.e. stainless steel. Polymer types other than rubber are useful for this purpose, but rubber blends can be made with a desired hardness and also have a very good resistance to aging. This method of assembly also ensures that there are no visible marks or anything on the upper surface of the jacket that could detract from the appearance thereof, and also make cleaning the upper surface difficult. Thus, establishing a bracket between the casing and the fixing ring based on welding or through screws would give rise to marks and / or cracks. The method used to secure the power transmission separated from the casing to the casing also ensures that the casing is pulled downwards under load, so that no increased compressive force occurs between the top of the casing and the underside of the column when the column is loaded.
    As stated in claim 4, the bolts extend perpendicularly to a support plane for the machine base and the bolts have bolt heads whose undersides abut the outside of the base of the base. This provides a secure retention of the base plate to the fixing ring so that the base plate can withstand a downward pressure corresponding to the overall tensile strength of the bolt shafts 32 for the bolts used.
    Further, as stated in claim 4, the bolts extend perpendicular to the support plane of the machine base and have bolt heads whose undersides abut the outside of the base.
    DK 2017 70115 A1 base plate.
    The column may be formed with an external thread at the top so that it can be screwed into a machine, and a thread-protecting sheath can be mounted on this thread, which can be screwed along the thread for abutment against the machine's lower part. In other designs of the column, this includes a telescope connection between a part belonging to the lower part and a part which is mounted in the machine. Telescope length change is typically carried out via threaded spindles which form parts of the column, but can also be established via a hydraulic cylinder piston connection.
    The column has two degrees of freedom in that it can rotate about its longitudinal axis relative to the base of the machine foot, and can rotate across its longitudinal axis about a center point at the bearing bolt abutment against the weighing cell, which is achieved by designing the area around the gasket ring abutment as a part of a sphere having the same center as the center of rotation of the column across its longitudinal axis. The bearing bolt can possibly. have an upwardly facing abutment surface against the underside of the sheath, and here, too, this upward abutment face and associated underside must be formed as parts of ball faces, with the same center as the center of rotation of the column across its longitudinal axis. The rotation across the longitudinal axis will take the form of a tilting motion as the center of this rotation is outside the column's extension and will typically be at or above the center of the weighing cell.
    The purpose of the bolt head is partly to transmit vertical forces and only vertical forces and partly to act as a ball joint which allows up to 5 degrees of inclination of floor (ie between the base and column) and simultaneously control the power transmission.
    Other connections between the base of the machine foot and the column can
    DK 2017 70115 A1 occurs, for example, the support bolt as shown in fig. 15 and FIG. 16 can be formed without a shaft and connection to the column, whereby the column merely rests on the bottom of the machine foot and is not firmly connected thereto. However, the force transfer is the same for pressure influences, as they are passed directly through the support bolt and down into the weighing cell without the sheath receiving compressive force from the column.
    The invention also relates to a method for producing a machine foot of the above-mentioned kind. In the method, a rubber mass is cast into the casing of the machine foot and is vulcanized thereto as the fixation ring is embedded in the rubber mass in an area adjacent to the underside of the casing.
    The casting is made in a mold with a loose core, which frees the space for the weighing cell centrally around the top of the sheath opening, holding the fixing ring during casting to the core with securing bolts in each of the fixing ring thread holes.
    When casting, the fixing ring must initially be attached to the core with a locking bolt in each thread hole, so that the thread holes are not filled with molding material. This is most easily achieved by passing the retaining bolts through holes in the core and screwing into the threaded holes of the fixing ring, prior to casting. When the casting is completed and the casting has hardened, the mold can be opened and the securing bolts unscrewed from the fixing ring thread holes, after which the core can be lifted out of the mold leaving a space which allows mounting of the weighing cell in the machine foot. The fixing ring will be covered by the molding but with free-held thread holes, in particular the area between the fixing ring and the casing is molded with molding. Typically, the casting material is a vulcanizable rubber which has a very good adhesion to the steel in both the fixing ring and the casing, and thereby the rubber mass acts as glue between the fixing ring and the casing.
    DK 2017 70115 A1
    The mounting is done by first mounting the weighing cell and then the bottom plate in the space left by the core in the molding, and finally the bolts which fix the weighing cell to the fixing ring via the bottom plate and the bolt holes therein are screwed.
    The invention will now be explained in more detail with reference to the drawings, in which:
    FIG. 1 shows the machine foot 1 in a side view on the left, and on the right is a sectional view along the section plane AA indicated on the left.
    FIG. 2 shows the machine foot 1 corresponding to FIG. 1, but turned approx. 45 degrees,
    FIG. 3 is an enlarged section of the machine foot 1 shown to the right in FIG. 2
    FIG. 4 is an exploded view of the machine foot 1 shown in FIG. 1 and FIG. 2
    FIG. 5 shows the fixing ring 20 in a 3D representation,
    FIG. 6 shows the jacket 10 in a 3D representation seen from the underside,
    FIG. 7, the bottom part 15 of the mold with the casing 10 is placed therein;
    FIG. Fig. 8 is a 3D representation of the bottom 15 of the mold with the core 30 and the ring 20,
    FIG. 9 is the lower part 15 and the upper part 16 of the mold 26
    FIG. 10 shows the bottom part 15 of the mold 26 with the molded but not yet molded blank,
    FIG. 11 illustrates the first part of the molding in which the bolts 31 are removed,
    FIG. 12 shows the last part of the molding, wherein the core 30 is lifted free of the workpiece,
    FIG. Figure 13 shows a 3D representation of a cut molding after molding
    FIG. 14 shows a machine foot section through a machine foot in an alternative embodiment using only 3 bolts 31,
    FIG. 15 is a section through a further embodiment where the column is loosely on top of the support bolt,
    FIG. 16 shows a section through an embodiment similar to that shown in FIG.
    DK 2017 70115 A1
    15, but with a larger footprint, and thus also greater capacity,
    FIG. 17 is an enlarged section of a section of the embodiment shown in FIG. 14th
    In FIG. 13, it is shown how the mounting of the fixing ring 20, as a result of the molding method, is molded in rubber and thus locked or glued to the casing 10.
    It should be noted that the design of this machine foot can be mounted according to EHEDG and 3A standards and it is also USDA approved.
    In appearance, the machine foot, as shown and described, corresponds to the other aggregates of the machine as containing leveling capability.
    As shown in FIG. 2 to allow the bolts to pass through holes in the base plate 22 and through the weighing cell 23 and up into the threaded holes 24 in the fixed vulcanized fixing ring 20, it is ensured that the weighing cell 23 is held without horizontal forces affecting the vertical measurement.
    In the long term, the solution will open the possibility of logging the state of machines and entire production lines. This can cause questions of the type: Do they shake Are they subjected to shock Are they overloaded with permissible carrying capacity Contract. answered on-line directly during operation. Thus, the signal from the weighing cell 23 can be used continuously, and not only when several machine feet on the same machine must be adjusted so that they take equal parts of the load. Continuous signal sampling and analysis will allow the machine to operate and any interruptions here. The signal may be is sent to a total control unit for the machine and compared with the operating parameters set here to be able to locally diagnose possible disruptions in operation. It is also possible to make the collection of data on operational disruptions more global on machines, for example in relation to one's plants, which are set up in different places in the world.
    DK 2017 70115 A1
    All loads can be measured, however, the shown machine foot with weighing cell is designed to receive weighing cells that can handle loads up to 5 tonnes, but additional loads can be handled if the weighing cell can be arranged to handle it.
    Wires to and from the lower part 8 of the machine foot are held by a hygienic PEG socket 40 shown in FIG. 2 and FIG. 15th
    The special pressure distribution from column 2 to weighing cell 23, to fixing ring 20, to casing 10, to rubber 4 and finally to floor, ensure that casing 10 never comes in direct pressure-giving contact with column 2 and that rubber 4 is pressed against the floor surface so that no dirt gets between the bottom 8 of the machine foot 1 and the floor. As shown in FIG. 3, 14, 15 and 16, the force from the column 2 passes through the carrier bolt 3 to the upper side of the weighing cell 23 where the pressure from the carrier bolt 3 is transferred to a central pressure receiving region 28. The weighing cell 23 is thus clamped between the base plate 22 and its upper side, with the base plate 22 resting against floor or other substrate (not shown). As shown in FIG. 3, a molding having a curable casting mass, in this case a vulcanized rubber 4, which is well seen in FIG. 12, and which also has abutments to the floor all the way around the lower part of the machine foot 8. This part is, as explained, formed of vulcanized rubber 4, and its flexibility can thereby be controlled to some extent, so that there is security for abutments against the floor along the edge of the machine foot. lower part 8. If the rim is supported so that the central parts of the machine foot, which are constituted by the base plate 22, are unsupported, the bolts 21 will act and ensure that the force between the rim and the column is nevertheless transmitted via the weighing cell 23, the rim consisting of vulcanized rubber 4 transfers the force to the casing 10, from which the force is transferred to the fixing ring 20 and thence to the bolts 21 which then support the base plate 22 so that it is not pressed out of the foot. At the same time, the tension between the fixing ring 20 and the casing 10 will
    GB 2017 70115 A1 ensure that the casing 10 is moved downwards when the carrier bolt 3 is loaded by the column pressure so that no contact pressure between the column and the casing comes in addition to the initial pressure with which the inserted gasket here is loaded from the start. From the base plate, the force will pass through the weighing cell 23 and to the column 2. In daily operation there will be a force balance, so that the bolts 21 carry some of the weight on the column and the rest is absorbed by the base plate 22, but the total weight from the column will always pass. through the weighing cell 23.
    The fixing ring 20 has a underside 12 and an upper side 13, both of which, in the condition of the fixing ring 20, are planar and parallel to the support plane of the lower part 8 as shown in FIG. 3. In this way, the force is transferred from the bolts 21 to the fixing ring 20 without being able to pull laterally at the downward tensile load of the bolts from the weighing cell.
    The weighing cell 23 is completely protected from impact, dirt, temperature fluctuations and conduction as it is placed under the casing 10 and is surrounded by vulcanized rubber 4 as seen in FIG. Third
    The weighing cell 23 is held laterally in place by four side guides 5 in the rubber 4, and these are particularly visible in FIG. 12 and FIG. 13. When the weighing cell 23 is mounted with four mounting screws or bolts 21 into the fixing ring 20 and here the weighing cell 23 is clamped against four spacings 6 in the rubber 4, the bolts 21 being tightened until the cell 23 presses against the underside of the cured support bolt 3. When the carrier bolt 3 cannot be moved, loosen all four screws approx. 0.5 turns and the carrier bolt 3 is now loosely, but very close to the weighing cell 23. The four distance elevations 6 ensure that the weighing cell 23 is locked in this optimal position. For example, the bolts 21 can be secured with loctite so that they cannot detach from their clamped state due to shaking.
    DK 2017 70115 A1
    Referring now to Figures 7-10, the method of producing the foot is explained. The casting is made in a mold 26 (shown together in FIG. 9) with a loose core 30 shown in FIG. 8, which holds the space of the weighing cell 23 centrally around the opening 11 of the top 10, with the fixing ring 20 being fixed to the core 30 during the casting with a locking bolt 31 in each of the threaded holes 24 of the fixing ring 20.
    In the casting, the fixing ring 20 must initially be attached to the core 30 with a locking bolt 31 in each thread hole 24, so that the thread holes 24 are not filled with molding material. This is done by passing the retaining bolts 31 through holes in the core 30 and screwing into the threaded holes 24 of the fixing ring, prior to casting. When the casting is completed and the casting has hardened, the mold 26 can be opened as the upper part 16 and the lower part are disassembled, and the locking bolts 31 are unscrewed from the threaded holes 24 of the fixing ring, after which the core 30 can be lifted out of the mold leaving a space for mounting of the weighing cell 23 in the machine foot. This is illustrated in Figs. 12th
    The mounting is carried out by first mounting the weighing cell 23 and then the bottom plate 22 in the space left by the core 30 in the mold 4, and finally the bolts 21 which fix the weighing cell 23 to the fixing ring via the bottom plate 22 and the bolt holes therein. A final cover film 25 is mounted prior to commissioning, or sits as an integral part of the base plate 22.
    The weighing cell has an edge area and openings 14 herein and by allowing the bolts 21 to pass through these openings, the weighing cell is further secured so that it cannot rotate or move sideways in the foot. This is illustrated for example in FIG. 2nd
    As shown in FIG. 3 has the support bolt 3 in the embodiment of the invention shown
    DK 2017 70115 A1 a threaded piece 3 and a bolt head 29, and the threaded piece is mounted in an axially extending threaded hole 18 directly up into the lower part of the column as the mounting takes place through the central opening 11 in the casing, so that the area around the opening 11 is caught between the bolt head and the lower edge of the column around the threaded hole 18. Between the sheath and the lower edge of the column is provided a gasket 27. At the same time, both the outer surface and the inside of the aperture around the opening 11 are formed as spherical shell surfaces of equal diameter and coinciding center. The face of the bolt head 29 facing the sheath is also formed as part of a ball shell surface and, when mounted against the underside of the sheath, has the same center as the ball shell faces formed in the sheath. Thus, the sheath and column will act as two parts of a ball joint, and since the threaded bolt of the carrier bolt is somewhat smaller in diameter than the opening 11 of the sheath 10, it gives the column a movement in several directions. The abutment surface of the support bolt against the upper side of the weighing cell is also designed so that the support bolt can roll or slide in the embodiment in which the support bolt is mounted in the column. The geometry of the pressure-receiving surface of the weighing cell and the bearing surface of the support bolt, on the other hand, must be adjusted so that the contact between the two surfaces is achieved regardless of the angle of the column relative to the foot.
    As seen in FIG. 3, 13 and 14, the area 7 between the upper face of the fixing ring and the underside of the casing 10 is an annular region with a triangular cross section. As mentioned, this area is molded with a rubber mass, which subsequently undergoes a vulcanization process and by selecting appropriate metals and rubber composition it is possible to achieve a very secure bond between the fixation ring and the casing.
    Figures 15 and 16 show an embodiment in which the carrier bolt 3 is not threaded in the column, but only has a short shaft 33 which just reaches the rim of the central opening 11, so that the upper side of this shaft 33 can act as abutment surface for the underside of pillar 2. The short shaft 33
    DK 2017 70115 A1 upper surface and the underside of the column are then formed as complementary ball shell surfaces, and further the part of the underside of the column extending beyond the rim of the central opening 11 of the jacket is formed with a groove for inserting a gasket 27 which abuts against the upper surface of the sheath in the area around the opening 11. This abutment area is then also formed as a ball shell surface, so that the column 2 can tilt around a common center of said ball shell surfaces. The short shaft 33 of the bolt 3 has a diameter corresponding to the opening 11, since the shaft does not move with respect to the sheath 10 as it will for the carrier bolt 3 attached to the column 2. In this embodiment, also the bolt head 29 of the carrier bolt is formed. with a relatively flat abutment surface against the surface of the weighing cell, as there is no movement between the two as the column 2 is tilted.
    In FIG. 17 shows how between the casing 10 and the underside of the portion of the column 2 extending beyond the opening 11 of the casing is a slot 34 shown in the figure with a set of arrows. The column 34 ensures that no direct contact between the column underside and the upper surface of the casing occurs at any time under normal load. Such contact would allow compressive forces to be transferred between the underside of the column and the floor without passing through the weighing cell, thus leading to incorrect recording of the load. This must be avoided and a gap of not less than 1mm helps to ensure this. The gasket 27 ensures that no dirt penetrates into the gap,
    DK 2017 70115 A1
    Reference number:
    Machine base
    Pillar
    Carriage Bolt
    Rubber
    side Control
    Afstandsforhøjninger
    Spacing between the fixing ring and the casing
    The base of the machine foot
    Bolt holes
    Sheath
    The opening of the cape
    The underside of the fixing ring
    The top of the fixing ring
    Openings in the peripheral area of the weighing cell
    Molding base
    Molded upper
    Bolt heads
    Thread hole in column
    knobs
    fixation Ring
    bolts
    Bottom plate
    Load cell
    threaded holes
    The cover film
    mold
    Packing
    The central pressure-receiving area of the weighing cell
    DK 2017 70115 A1
    Bolt head bolt head
    core
    Securing Bolts
    Shaft
    Short shaft of bearing bolt
    Column
    DK 2017 70115 A1
    权利要求:
    Claims (10)
    [1]
    patent claims
    Machine foot, with embedded weighing cell (23), wherein the weighing cell (23) is suspended in an overlying sheath (10), characterized in that bolts (21) holding the weighing cell (23) in place in a lower part (8) of the machine foot ( 1), passes through a base plate (22) and is screwed up into a fixing ring (20) which is separated from the sheath material.
    [2]
    Machine foot according to claim 1, characterized in that the fixing ring (20) comprises knobs (19) with added material, where the bolts (21) attach to the fixing ring (20), so that there is a thickness around each thread hole (24) which at least not less than the radius of the threaded hole (24).
    [3]
    Machine foot according to claim 1, characterized in that a gap (7) between the fixing ring (20) and the sheath (10) is molded with a curable casting material so that the tension in the bolts (21) is transferred to the underside of the sheath.
    [4]
    Machine foot according to claim 1, characterized in that the bolts (21) extend perpendicular to a support plane of the machine base (8) and have bolt heads (17), the undersides of which abut the outside of the bottom plate (22).
    [5]
    Machine foot according to claim 1, characterized in that the bolts (21) each have a shaft (32) extending through openings (14) in a peripheral region of the weighing cell (23).
    [6]
    Machine foot according to claim 1, characterized in that the fixing ring (20) comprises a lower side (12) and an upper side (13), both, in the condition of the fixing ring (20), are planar and parallel to the support plane of the lower part (8).
    DK 2017 70115 A1
    [7]
    A method of producing a machine foot (1) of the kind set forth in claim 1, wherein a curable casting material is molded into a sheath (10) for the base of the machine foot (8), wherein
    5, the hardening binds to the casing (10) as the fixing ring (20) is embedded in the molding in an area adjacent to the underside of the casing (10).
    [8]
    Method according to claim 7, characterized in that the casting
    10 is made in a mold (26) with a loose core (27) which frees space for the weighing cell (23) around a centrally located opening (11) in the casing (10), holding the fixing ring (20) during casting to the core ( 30) with a securing bolt (31) in each of the fixing ring thread holes (24).
    [9]
    Method according to claim 8, characterized in that the core (30) is removed after casting and curing, the securing bolts (31) being detached from the fixing ring (20), the weighing cell (23) mounted in the opening left by the core (30) and the bottom plate (22). ) attach with
    20 bolts (21) to the fixing ring (20) as the bolts (21) pass through bolt holes (9) in the bottom plate (22) and the bolts (21) also pass through openings (14) an edge region of the weighing cell (23).
    [10]
    Method according to claim 8 or claim 9, characterized in that
    The column (2) is mounted for pressure transmitting systems against the central pressure receiving area (28) of the weighing cell as the column, or a supporting bolt (3) coupled to the column, passes through the centrally located opening (11) at the top of the sheath.
    DK 2017 70115 A1
    1.11
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DKPA201670671|2016-09-01|US16/325,004| US11085573B2|2016-09-01|2017-08-21|Machine foot with built-in load cell and method of production thereof|
    EP17845579.6A| EP3507536A4|2016-09-01|2017-08-21|Machine foot with built-in load cell and method of production thereof|
    PCT/DK2017/050271| WO2018041316A1|2016-09-01|2017-08-21|Machine foot with built-in load cell and method of production thereof|
    CN201780052902.1A| CN109790953A|2016-09-01|2017-08-21|Machinery bed and its manufacturing method with built-in load cell|
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