• 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:
    A view (100) for a traffic pavement (V) comprising a hollow body (101) extending along an axis X and an access cover (102) mounted at an upper end of said hollow body (101), the hollow body (101) having at least one ball joint for tilting the upper part of the hollow body (101) relative to its lower part.
    公开号:BE1025809B1
    申请号:E2017/5170
    申请日:2017-03-20
    公开日:2019-07-23
    发明作者:Bernard Cosnier
    申请人:Alkern；
    IPC主号:
    专利说明:

    LOOK FOR A TRAFFIC FLOOR AND METHOD FOR TILTING SUCH A LOOK
    GENERAL TECHNICAL AREA AND PRIOR ART
    The present invention relates to a manhole adapted to be mounted in a traffic pavement in order to allow an operator to access a liquid pipe such as waste water or rain water.
    With reference to FIG. 1, a manhole 1 is known in the prior art which is buried in a traffic pavement V. In known manner, the traffic pavement V has an upper coating R which is applied to a floor S. The manhole 1 comprises a hollow body 11 extending vertically and an access cover 12 positioned at the upper end of the hollow body 11. The lower end of the hollow body 11 is adapted to cooperate with an opening of a buried pipe C under traffic pavement V. Thus, an operator can visually or physically access the opening of line C by opening the access cover 12 from traffic pavement V.
    During its installation, the ground S is dug so as to position the sight 1 on the opening of the pipe C. Then, a coating R is applied to the ground S around the cover 12 so that the covering R and the cover 12 extend at the same height. Thus, a motor vehicle traveling on the roadway V does not encounter any relief if it is traveling on the cover 12.
    When the coating R of roadway V must be renewed, it is conventionally removed by means of a massive machine (cold milling machine, planer, etc.). When the traffic pavement V has a manhole 1, it is not possible to use such a machine to remove the coating R since this would damage the machine and / or manhole 1. Also, operators must make a withdrawal specific coating R around the cover 12 by means of a jackhammer, which is long and painful.
    In other words, the presence of a manhole 1 increases the cost of renewing the traffic pavement V.
    A disadvantage of an inspection 1 according to the prior art is that it is complex to position in the traffic pavement V when the latter is inclined. With reference to FIG. 2, when operators position the manhole 1 in a through opening formed in an inclined ground S, the operators try to wedge the manhole 1 in the inclined position with any element G available at the place of installation (stones, etc.) so that the cover 12 is aligned with the coating R of the roadway V. In practice, it is difficult for the operators to adjust the inclination, which increases the installation time and therefore the cost. In addition, if the timing is not optimal, the cover 12 forms a relief in the roadway V, which has a disadvantage for the movement of vehicles. It has been presented drawbacks relating to a manhole during the renewal of a pavement of a roadway but it goes without saying that similar disadvantages exist during a first installation of a manhole in a roadway.
    The invention therefore aims to remedy at least some of these drawbacks by providing a new type of manhole for traffic pavement.
    GENERAL PRESENTATION OF THE INVENTION
    To this end, the invention relates to a manhole for traffic pavement comprising a hollow body extending along an axis X and an access cover mounted at an upper end of said hollow body, the hollow body comprising at least one ball joint connection so to tilt the upper part of the hollow body relative to its lower part.
    Thanks to the invention, the manhole can be positioned in the ground and then oriented so that the cover extends in continuity with the roadway. Such a look is particularly advantageous when the traffic pavement is inclined. The risk presented by the gaze for circulation is thus reduced.
    BE2017 / 5170
    Preferably, the hollow body comprises a convex annular crown and a concave annular crown which cooperate to form the ball joint. Such a ball joint connection ensures an optimal distribution of forces during the passage of a vehicle.
    According to a preferred aspect, the hollow body comprises a base comprising the concave annular crown and a first lower element, mounted on the base, comprising the convex annular crown. Such cooperation is very stable and allows an operator to easily tilt the first lower element.
    Preferably, the base comprising a through opening, the concave annular ring extends to the edge of the through opening. Thus, advantage is taken of the opening to form the concavity. Preferably, the base includes an imprint adapted to cooperate with an opening of a pipe.
    According to a preferred aspect, the lower element comprises lifting members adapted to facilitate the inclination of the lower element on the base.
    The invention also relates to a method of adjusting the inclination of a manhole as presented above, which is positioned in a traffic pavement comprising an upper covering, the adjustment method comprising a step of inclining the upper part of the body. hollow relative to the lower part of the hollow body.
    Preferably, the hollow body comprising a base comprising the concave annular crown and a first lower element, mounted on the base, comprising the convex annular crown, the method comprises a step of inclining the first lower element relative to said base.
    Preferably, the lower part of the hollow body is positioned vertically. A vertical cavity is simple to achieve for operators compared to an inclined cavity. Preferably, the upper covering is inclined relative to the horizontal plane and the cover extends in continuity with the upper covering.
    It is also presented a manhole for traffic pavement comprising a hollow body extending along an axis X and an access cover mounted at an upper end of said hollow body. The hollow body comprises at least a first lower element and a second upper element configured to cooperate together in a helical manner in order to modify the spacing along said axis X between said elements.
    Advantageously, a rotation of the first element relative to the second element advantageously makes it possible to modify the height of the access cover. Such characteristics are advantageous since this makes it possible to align the cover in continuity with the coating of the traffic pavement after the installation of the manhole in the pavement. The risk presented by the gaze for circulation is thus reduced. In addition, a helical connection allows an optimal distribution of forces. Thus, the gaze remains solid and robust during the passage of a vehicle. Finally, thanks to the invention, the cover can be retracted down into the roadway when the coating is renewed, which makes it possible to use massive machines for removing said coating.
    Preferably, the manhole comprises at least one movable wedge mounted between said elements, preferably in a removable manner. Such a wedge advantageously makes it possible to greatly reduce the height of the manhole by acting on the wedge, in particular by removing it. Such a shim is particularly useful when the height of the cover must be temporarily lowered, for example, when the coating is renewed.
    Preferably, the mobile wedge has a height of between 4 and 20 cm.
    Preferably, at least one element comprises means for fine adjustment of the spacing, preferably a threaded screw. Such fine adjustment means advantageously make it possible to ensure that the cover is flush with the coating.
    A threaded screw can be easily manipulated by an operator and remains robust.
    Preferably, the fine adjustment means can be manipulated from inside the hollow body. More preferably, the fine adjustment means are configured to cooperate with the movable wedge. Thus, the movable wedge can be moved precisely.
    According to a preferred aspect, the first lower element comprising a plurality of first propellers, the second upper element comprises a plurality of second propellers adapted to cooperate with the first propellers. A plurality of propellers ensures horizontal stability of the second element on the first lower element when adjusting the height. Preferably, the propellers extend annularly. Preferably, the manhole comprising a plurality of mobile wedges mounted between said elements, at least one mobile wedge is positioned between a first propeller and a second propeller.
    Preferably, the hollow body is made of concrete so as to be able to support the load of vehicles traveling on the roadway.
    The invention also relates to a method for adjusting the height of a manhole, as presented above, which is positioned in a traffic pavement comprising an upper covering, the adjustment method comprising a step of removing the removable wedge and a step of rotation of the second upper element relative to the first lower element around the X axis so as to reduce the height of the manhole.
    Thus, the height of the manhole can be quickly and conveniently reduced by the height of the movable wedge by simply removing the movable wedge. The gaze remains operational after removal due to the helical connection.
    There is also presented a method for removing an upper covering from a traffic pavement in which a manhole is positioned as previously presented, the access cover being aligned with the upper covering, the method comprising:
    a step of modifying the height of the second upper element so as to lower the cover to a height less than that of the upper covering, and
    - a step of removing the upper covering.
    Advantageously, the removal of the coating is easy since the cover is retracted into the roadway. In particular, massive machines such as a cold milling machine or a planer can be used to remove the coating located near the manhole.
    Preferably, the cover is lowered by at least 4 cm.
    PRESENTATION OF THE FIGURES
    The invention will be better understood on reading the description which follows, given solely by way of example, and referring to the appended drawings in which:
    - Figure 1 is a schematic representation of a manhole according to the prior art mounted in a horizontal traffic pavement;
    - Figure 2 is a schematic representation of a manhole according to the prior art mounted in an inclined traffic pavement;
    - Figure 3 is a schematic exploded view of a look according to an embodiment of the invention;
    - Figure 4 is a schematic representation of the manhole of Figure 3;
    - Figure 5 is a perspective representation of the base of the manhole of Figure 3;
    - Figure 6 is a sectional view of the base of Figure 5;
    - Figure 7 is a perspective representation of the first lower part of the manhole of Figure 3;
    - Figure 8 is a top view of the first lower part of Figure 7;
    Figure 9 is a sectional view of the first lower part e E2 l 0 a 17/5170 Figure 7;
    - Figure 10 is a perspective view from above of the first lower part of Figure 7 with movable wedges;
    - Figure 11 is a perspective representation of a movable block;
    - Figure 12 is a sectional view of an adjusting screw;
    - Figure 13 is a perspective representation of the second upper part of the manhole of Figure 3;
    - Figure 14 is a top view of the second upper part of Figure 13;
    - Figure 15 is a sectional view of the second upper part of Figure 13; and
    - Figures 16A-16E show steps of a method of renewing an upper pavement coating according to the invention.
    It should be noted that the figures show the invention in detail to implement the invention, said figures can of course be used to better define the invention if necessary.
    DESCRIPTION OF ONE OR MORE MODES OF IMPLEMENTATION AND IMPLEMENTATION
    Referring to Figure 3, there is shown a manhole 100 for traffic pavement V according to the invention. Such a manhole 100 has sufficient mechanical strength when passing light and heavy vehicles on a traffic surface V.
    In this example, the manhole 100 comprises a hollow body 101 extending along an axis X and an access cover 102 mounted at the upper end of the hollow body 101. Preferably, the hollow body 101 is made of concrete. The lower end of the hollow body 101 is adapted to cooperate with an opening of a pipe C buried under the traffic pavement V. Thus, an operator can visually or physically access the opening of the pipe C by opening the cover d access 102 from the traffic pavement V. The manhole 100 according to the invention is adapted to allow, on the one hand, to tilt the
    BE2017 / 5170 cover 102 during installation of the manhole 100 in an inclined roadway V and, on the other hand, to adjust the height of the hollow body 101 so that the cover 102 extends at the level of the roadway V.
    As illustrated in FIG. 3, the hollow body 101 comprises a base 2, a first lower element 3 and a second upper element 4 which are superimposed vertically. As will be presented below, the base 2 and the first lower element 3 are configured to cooperate together according to a ball joint so as to allow an inclination of the lower part 101A of the hollow body 101 relative to its upper part 101B as shown schematically in FIG. 4. In this embodiment, the first lower element 3 and the second upper element 4 are configured to cooperate together in a helical manner in order to adjust the spacing along said axis X between said elements 3, 4 as shown diagrammatically in FIG. figure 4.
    The base 2, the first lower element 3 and the second upper element 4 will now be presented in detail with reference to FIGS. 5 to 15.
    With reference to FIGS. 5 and 6, the base 2 of the hollow body 101 is shown. In this example, the base 2 comprises a cylindrical body 20 in which extends a through opening 21 along the axis X. Preferably, the body 20 is made of concrete in order to have significant mechanical strength. More preferably, the through opening 21 has a circular section. In this example, the through opening 21 is eccentric with respect to the center of the body 20 so that the user can descend along a wall when the latter has rungs.
    The base 2 has, at its upper face, an annular ring 22 which extends outside the through opening 21, preferably at the edge thereof. The annular ring 22 has a concave surface so as to fulfill a function of the ball joint envelope. Specifically, with reference to Figures 5 and 6, the section of the annular ring 22 in the vertical plane is inclined towards the axis X, the radially inner radius being smaller than the radially outer radius. Referring to Figure 6, the angle of inclination
    BE2017 / 5170 β of the annular crown 22 with respect to the upper face is between 0 ° and 5 °. It goes without saying that the base 2 could include a concave surface of different shape.
    Referring to Figure 6, the base 2 has, at its lower face, an imprint 23 adapted to cooperate stably with an opening of the pipe (not shown).
    Referring to Figures 7 to 9, there is shown the first lower element 3 of the hollow body 101. In this example, the first lower element 3 comprises a cylindrical body 30 in which extends a through opening 31 along the axis X. Preferably, the body 30 is made of concrete in order to have a high mechanical strength. More preferably, the through opening 31 has a circular section. With reference to FIG. 10, the cylindrical body 30 of the first lower element 3 comprises, at its lower face, lifting members 33 so as to facilitate the movement and the inclination of the first lower element 3 on the base 2.
    As illustrated in FIG. 9, the first lower element 3 comprises, at its lower face, an annular ring 35 which extends outside the through opening 31, preferably at the edge thereof. The annular ring 35 has a convex surface so as to fulfill the function of a ball sphere. Specifically, the section of the annular ring 35 in the vertical plane is inclined towards the axis X, the radially inner radius being smaller than the radially outer radius. The annular crown 35 is adapted to cooperate by complementarity of shapes with the annular crown 22 of the base 2.
    It goes without saying that the first lower element 3 could comprise a convex surface of different shape. The important thing is that the concave surface of the base 2 and the convex surface of the first lower element 3 can cooperate together in order to form a ball joint. Such a ball joint advantageously makes it possible to position the first lower element 3 d BE 1 2 0 0 0 17/5170 in a stable manner on the base 2 according to different inclinations. In other words, the trim of the regar can be adjusted precisely.
    According to an aspect not shown, the base 2 could comprise a concave surface and the first lower element 3 could comprise a convex surface so as to form a ball joint.
    In this example, with reference to FIGS. 7 to 9, the first lower element 3 comprises first propellers 32 which extend vertically upwards, here, between the body 30 and the through opening 31. The first propellers 32 are extend peripherally in order to cooperate with second propellers of the second upper element 4. In this embodiment, with reference to FIG. 8, the first lower element 3 has three first propellers 32 but it goes without saying that their number could be different. Each first propeller 32 is in the form of an inclined slope whose height difference between the low point and the high point is between 15 cm and 25 cm. In this example, each first propeller 32 extends over 120 °.
    Referring to Figure 9, each first propeller 32 is terminated at its highest point by a vertical flank 36. In other words, the vertical flank 36 extends at the interface between two first consecutive propellers 32. In this example, the vertical flank 36 is equipped with a reinforcing plate 37 which includes a thread 38 in which are mounted fine adjustment means. However, it goes without saying that the internal thread 38 could be formed directly in the vertical flank 36 of a first propeller 32. The reinforcing plate 37 makes it possible to avoid premature wear of the vertical flank 36, in particular when the latter is concrete. In this example, the reinforcing plate 37 is poured directly into the first concrete propeller 32. The reinforcing plate 37 is preferably metallic.
    In this example, with reference to FIG. 10, the first lower element 3 can receive mobile shims 5 in order to modify the spacing between the first lower element 3 and the second upper element 4. In FIG. 10, a mobile shim 5 is positioned on each first propeller 32 and is angularly spaced from the sidewall 36 of a first adjacent propeller 32 by fine adjustment means 6 which will be presented below.
    In this embodiment, with reference to FIG. 12, the fine adjustment means 6 are in the form of a threaded adjustment screw 60 mounted on the thread 38 of the reinforcing plate 37 so as to modify its protruding length . However, it goes without saying that other fine adjustment means 6 could be suitable, for example, a hydraulic cylinder, a jack, etc.
    With reference to FIG. 11, the mobile wedge 5 has a body 51 having a shape adapted to extend a first propeller 32 after its vertical flank 36. In this example, each mobile wedge 5 is in the form of an angular portion of crowned. Preferably, each movable wedge 5 has a height of between 4 and 20 cm. In order to avoid premature wear, with reference to FIG. 11, each movable block 5 comprises a reinforcing plate 52 adapted to be in abutment against the fine adjustment means 6, in particular, the adjustment screw 60.
    Thus, with reference to FIG. 10, an operator can, using a tightening key, rotate the adjusting screw 60 in its thread 38 and thus modify its length projecting from the vertical flank 36. Like the wedge mobile 5 is in abutment against the adjusting screw 60, the angular spacing between the mobile wedge 5 and the vertical flank 36 can be adjusted. In addition, as the mobile wedge 5 is in vertical support on a first propeller 32, the vertical height of the mobile wedge 5 is adjusted concomitantly. Since each movable wedge 5 is in the extension of a first propeller 32, each movable wedge 5 makes it possible to modify the height of a first propeller 32 in a practical manner. The support height of the second upper element 4 relative to the first lower element 3 is conveniently adjusted to lengthen or shorten the length of the hollow body 101.
    Referring to Figures 13 to 15, there is shown the second upper element 4 of the hollow body 101. In this example, the second upper element 4 comprises a cylindrical body 40 in which extends a through opening
    BE2017 / 5170 along the X axis. Preferably, the body 40 is made of concrete in order to have a high mechanical resistance. More preferably, the through opening 41 has a circular section. The second upper element 4 has a diameter smaller than that of the first lower element 3 so as to be housed therein as will be presented below.
    With reference to FIG. 13, the body 40 of the second upper element 4 has an annular upper face. The second upper element 4 comprises second propellers 42 which extend in the lower part of the body 40 vertically downwards, outside the through opening 41. The second propellers 42 extend peripherally in order to cooperate with the first propellers 32 of the first lower element 3. In this embodiment, with reference to FIG. 14, the second upper element 4 has three second propellers 42 but it goes without saying that their number could be different. Thus, the propellers 32, 42 of the elements 3,4 can cooperate together during a rotation around the axis X. In this example, each second propeller 42 is in the form of an inclined slope whose difference in height between the low point and the high point is between 15 cm and 25 cm.
    With reference to FIG. 13, each second propeller 42 is terminated at its lowest point by a vertical flank 46. In this example, the vertical flank 46 is equipped with a reinforcement plate 47. The reinforcement plate 47 makes it possible to avoid premature wear of the vertical sidewall 46, in particular, when the latter is made of concrete and when the movable wedges 5 have been removed.
    As illustrated in FIGS. 3 and 4, the cover 102 is configured to cooperate with the upper face of the second upper element 4, for example, by interlocking when the latter has vertical teeth. Preferably, the cover 102 comprises an articulated cover.
    In the assembled position, the base 2, the first lower element 3 and the second upper element 4 and the cover 102 are superimposed vertically along the axis X. The mobile wedges 5 extend respectively between the first propellers 32 and the second propellers 42 Each movable block 5 is angularly sandwiched between the vertical sides 36, 46 as illustrated in FIG. 4. The first lower element 3 cooperates with the base 2 so that their through openings 21, 31 are aligned while forming a ball joint allowing the inclination of the first lower element 3 relative to the base 2 as shown by the curved arrows in FIG. 4. To adjust the inclination of the first lower element 3 relative to the base 2, an operator just has to move the annular crown 35 of the first lower element 3 relative to the annular crown 22 of the base 2. Thanks to the ball joint formed by the surface this convex and the concave surface, the first lower element 3 remains stable relative to the base 2 for several inclinations. Thanks to the invention, an inclination of the lower part 101A of the hollow body 101 relative to its upper part 101B of between 0 and 5 ° can advantageously be obtained.
    In addition, the first propellers 32 of the first lower element 3 cooperate with the second propellers 42 of the second upper element 4 in order to allow the height of the second upper element 4 to be adjusted relative to the first lower element 3 as shown by the vertical arrow on the figure 4.
    There will now be shown an example of adjusting the height of a manhole 100 as previously presented positioned in a traffic pavement V comprising an upper covering R.
    First of all, a vertical cavity is formed in the traffic pavement V so as to uncover the pipe on which the manhole 100 is to be placed. An opening is formed in the pipe and the base 2 is placed at the right of this opening. The footprint 23 of the base 2 allows a stable and secure connection. Then, the first lower element 3 and the second upper element 4 are stacked vertically on the base 2.
    In this example, with reference to FIG. 4, each first propeller 32 is extended by a movable block 5. Each second propeller 42 is then in vertical abutment on a first propeller 32 and a movable wedge 5. In addition, each second propeller 42 is in angular abutment (parallel to the tangent) against a movable block 5. In other words, the position of the movable block 5 makes it possible to
    BE2017 / 5170 change the vertical distance between the first lower element 3 and the second upper element 4. In this example, to precisely adjust the height of the cover 102 so that it is aligned with the upper covering R of the roadway circulation V, an operator acts on the fine adjustment means 6 from the interior of the hollow body 101 and turns the threaded screws 60 so as to move the mobile shims 5 relative to the first propellers 32. As each second propeller 42 is in abutment angular against a movable block 5, the second propellers 42 move in rotation. In other words, the second upper element 4 moves helically and modifies the height of the cover 102. Thanks to the invention, a vertical adjustment amplitude between 1 mm and 40 mm can advantageously be obtained.
    With reference to FIGS. 16A to 16E, an example of renewal of an upper covering R of a traffic pavement V in which a manhole 100 is positioned according to the invention will be presented.
    First of all, with reference to FIG. 16A, the access cover 102 of the manhole 100 is aligned with the upper covering R which must be renewed. Preferably, during its installation, the height and the inclination of the manhole 100 have been adjusted as presented previously so that the cover 102 is flush with the coating R.
    In order to conveniently renew the upper covering R, the height of the manhole 100 is lowered so that the cover 102 extends to a height less than that of the upper covering R of the roadway V as illustrated in FIG. 16B. The height of the manhole 100 can be lowered by acting on the fine adjustment means 6. Nevertheless, it is preferable to remove the movable wedges 5 in order to reduce the height quickly. The height of the mobile wedges 5 is adapted to be at least greater than the conventional height of an upper covering R, preferably of the order of 4 cm. The mobile wedges 5 can advantageously be removed from the inside of the manhole 100. In the initial position, as each second propeller 42 is in angular abutment against a mobile wedge 5, the withdrawal of the mobile wedges 5 causes an angular rotation about the axis X of the second upper element 4 with respect to the first element
    BE2017 / 5170 lower 3, the second propellers 42 then being directly in contact with the threaded screws 60 mounted in the first propellers 32. Advantageously, the vertical sides 56 of the second propellers 52 are provided with reinforcing plates 57 to limit the wear when in contact with the threaded adjustment screws 60.
    Referring to Figure 16C, the top coating R can then be conveniently removed using a massive machine such as a cold milling machine or a planer. In fact, unlike the prior art, the manhole 100 no longer forms an obstacle which must be dealt with manually by the operators. The removal step is thus faster, less painful and less expensive.
    Then, as illustrated in FIG. 16D, the method comprises a step of modifying the height of the manhole 100 so that the cover 102 extends to a height substantially equal to that of the new upper covering to be deposited (FIG. 16E) . To this end, the mobile wedges 5 are replaced between the first lower element 3 and the second upper element 4. A new coating R ′ can then be deposited on the ground S around the cover 102. If necessary, the inclination and the height of the cover 102 can be finely adjusted in order to ensure continuity between the cover 102 and the new coating R '.
    It goes without saying that the movable shims 5 could be replaced only after the new coating R 'has been deposited.
    It was presented a manhole 100 whose inclination and height are adjustable. However, it goes without saying that the manhole 100 could perform only one of the two functions.
    权利要求:
    Claims (10)
    [1]
    BE2017 / 5170
    1. Manhole (100) for traffic pavement (V) comprising a hollow body (101) extending along an axis X and an access cover (102) mounted at an upper end of said hollow body (101), the body hollow (101) comprising at least one ball joint in order to tilt the upper part of the hollow body (101) relative to its lower part.
    [2]
    2. Manhole cover (100) according to claim 1, in which the hollow body (101) comprises a convex annular crown (35) and a concave annular crown (22) which cooperate to form the ball joint.
    [3]
    3. Manhole cover (100) according to claim 2, in which the hollow body (101) comprises a base (2) comprising the concave annular crown (22) and a first lower element (3), mounted on the base (2), comprising the convex annular crown (35).
    [4]
    4. Manhole (100) according to claim 3, wherein the base (2) having a through opening (21), the concave annular ring (22) extends at the edge of the through opening (21).
    [5]
    5. Manhole (100) according to one of claims 3 to 4, wherein the base (2) has an imprint (23) adapted to cooperate with an opening of a pipe.
    [6]
    6. Manhole cover (100) according to one of claims 3 to 5, in which the lower element (3) comprises lifting members (33) adapted to facilitate the inclination of the lower element (3) on the base. (2).
    [7]
    7. Manhole (100) according to one of claims 1 to 6, wherein the hollow body (101) is made of concrete.
    [8]
    8. A method of adjusting the inclination of a manhole (100) according to one of claims 1 to 7, which is positioned in a traffic pavement comprising an upper covering (R),
    BE2017 / 5170 the adjustment method comprising a step of tilting the upper part of the hollow body (101) relative to the lower part of the hollow body (101).
    5
    [9]
    9. The adjustment method as claimed in claim 8, in which the hollow body (101) comprising a base (2) comprising the concave annular ring (22) and a first lower element (3), mounted on the base (2), comprising the convex annular crown (35), the method comprises a step of tilting the first lower element (3) relative to said base (2).
    [10]
    10. Adjustment method according to one of claims 8 to 9, wherein the lower part of the hollow body (101) is positioned vertically.
    类似技术:
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    同族专利:
    公开号 | 公开日
    BE1025809A1|2019-07-15|
    FR3061497B1|2019-05-10|
    FR3061497A1|2018-07-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    SE398904B|1977-03-16|1978-01-23|Gustavsberg Lubonyl Ab|DEVICE FOR DESIGNATION OF PIPES OR PIPE WELLS|
    DE9206099U1|1991-07-24|1992-08-13|Salti Ankuendigungen Ges.M.B.H., Stuhlfelden, At|
    JPH11323986A|1998-05-08|1999-11-26|Gifu Plast Ind Co Ltd|Manhole for sloping place|
    DE10013805A1|2000-03-20|2001-10-04|Uponor Deutschland Gmbh|Rise conduit arrangement for drains or water supply has shaft covering adjustable to different floor settings, with first rise pipe in which second rise pipe is movable in fluid-tight manner|
    JP2001271368A|2001-03-02|2001-10-05|Meipura:Kk|Universal joint-attached raising pipe body for manhole lid for septic tank|
    US20130259567A1|2012-03-28|2013-10-03|Richard W. Roberts|Grade seal system and method of manufacturing same|
    法律状态:
    2019-08-21| FG| Patent granted|Effective date: 20190723 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1750114A|FR3061497B1|2017-01-05|2017-01-05|LOOK FOR TRAFFIC CHAUSSEE AND METHOD OF INCLINATION OF SUCH LOOK|
    FR1750114|2017-01-05|
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