WO2011101582A2 - Regard de chaussee a cadre et tampon pourvu d'un joint d'amortissement et d'etancheite - Google Patents
Regard de chaussee a cadre et tampon pourvu d'un joint d'amortissement et d'etancheite Download PDFInfo
- Publication number
- WO2011101582A2 WO2011101582A2 PCT/FR2011/050299 FR2011050299W WO2011101582A2 WO 2011101582 A2 WO2011101582 A2 WO 2011101582A2 FR 2011050299 W FR2011050299 W FR 2011050299W WO 2011101582 A2 WO2011101582 A2 WO 2011101582A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- skirt
- seal
- cover
- frame
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/149—Annular gaskets
Definitions
- the present invention relates to a manhole comprising a frame defining an opening and a cover for closing the opening of the frame.
- Such a manhole is known in particular from French Patent Application No. 2,660,678 and according to which the frame and the cover are circular with the frame provided with a radially inner seat flange on which the cover is supported. its closing position of the opening of the frame.
- This manhole also comprises a damping gasket having an inverted T-shaped cross section, the rod of which is engaged by force in a groove opening from the underside of the lid and whose bearing bears against the seat flange of the seat. frame in tilted position closing the lid on the frame.
- the present invention provides a manhole overcoming the disadvantages above known manholes.
- the manhole of the type comprising a frame delimiting an opening and provided an internal peripheral rib seat, a cover for closing the opening of the frame and provided with a skirt located under the cover, and a seal secured to the lid resting on the seat rib when the lid is in the closed position of the opening of the frame, is characterized in that the seal has a substantially U-shaped cross section capping the skirt and having means ensuring the positive attachment by clipping the seal on the skirt of the lid.
- the means for attaching the seal to the skirt comprise an internal lug protruding from the core of the joint perpendicularly to the latter between the two branches of the latter and the flexible lips located on each side of the lug adapted to engage elastically in a groove formed in the edge of the skirt to retain the tenon in the groove.
- the attachment means of the seal to the skirt also comprise substantially parallel ridges integral with the two inner faces of the branches of the seal and adapted to come into tight contact respectively on the two lateral faces of the skirt.
- the groove has in cross section substantially the shape of an isosceles trapezium opening outwardly of the edge of the skirt by its large base.
- At least two pairs of parallel lips protrude on both sides of the tenon from the free end of the tenon and are inclined at the same angle relative to the tenon towards the core of the U of the joint so as to present in cross section of the tenon an isosceles trapezoidal outer profile of form conjugate to the groove.
- the two branches of the U of the joint converge towards one another to grip the skirt of the lid.
- the seal may comprise at least one flexible outer peripheral lip bearing sealing on the inner face of the peripheral wall of the frame.
- the seal is made in one piece from a synthetic rubber material, such as an ethylene-propylene-diene terpolymer.
- the frame and the cover are circular, the peripheral circumferential rib is a radially internal collar, the skirt is cylindrical, the groove of the skirt is an annular groove and the seal and its inner tenon are annular.
- the frame and the cover are rectangular or square
- the skirt is constituted by four ribs in the general shape of rectangle or square each comprising a groove and the seal and consisting of four independent bands fixed by clipping respectively on the four ribs of the skirt.
- the skirt of the cover and the groove are raw foundry.
- the invention also relates to a cover for manhole, comprising a skirt located under the cover, and which is characterized in that the skirt comprises at least one groove formed in the edge of the skirt.
- the skirt comprises four ribs shaped rectangle or square and each rib comprises a groove having in cross section substantially the shape of an isosceles trapezium opening outwardly of the edge of the rib skirt by its large base.
- the skirt is substantially cylindrical and the groove is an annular groove having in cross section substantially the shape an isosceles trapezium opening outside the song of the cylindrical skirt by its large base.
- the skirt and its groove or annular groove are rough foundry.
- FIG. 1 is a top view of a manhole
- FIG. 2 is a sectional view along line II-II of Figure 1 and showing a seal according to the invention secured to the cover of the manhole;
- Figure 3 is an exploded sectional view showing the seal of the invention disengaged from the cover of the manhole;
- FIG. 4 is a partial perspective view from above of the seal of the invention.
- FIG. 5 is a partial perspective view from below of the seal along arrow V of FIG. 4.
- the reference 1 designates a manhole which comprises a circular frame 2 and a cover or circular buffer 3 mounted hinged to the frame 2 by means of a radial pin 4 pivotally housed in an ear 5 protruding radially from the frame 2.
- the frame 2 delimits by its generally annular peripheral wall 6 an opening 7 and has a radially inner flange 8 secured to the inner face of the wall 6 perpendicular to the latter.
- the flange 8 serves as a seat for the cover 3 when the latter occupies its closed position of the opening 7 of the frame 2.
- the lid 3 comprises a shutter 9 substantially plane perpendicular to the central axis of symmetry XX 'of the lid. When the cover 3 occupies its closed position on the frame 2, the central axis X-X 'of the cover 3 is substantially coincidental with the central axis of symmetry of the frame 2.
- the cover 3 furthermore comprises a cylindrical skirt 10 located under the sealing veil 9 coaxial with the axis X-X 'perpendicular to the veil 9.
- the cylindrical skirt 10 extends substantially in the vicinity of the outer peripheral edge 3a of the lid 3.
- the manhole 1 further comprises a gasket 11 integral with the lid 3, made of a plastics material, such as synthetic rubber, and which bears on the inner collar 8 when the lid 3 is in the closed position of the opening 7 of the frame 2.
- the seal 11 has the dual function of soundproofing, that is to say to prevent the clacking noise of the cover 3 on the frame 2 when tilting the cover 3 to its closed position or passage of vehicles on the lid resting on the frame 2, and sealing against runoff, fines and / or odors that can be introduced into the space between the frame 2 and the cover 3.
- the manhole 2 also comprises a latch 12 diametrically opposed to the hinge of the lid 3 to the frame 2 and for locking the lid 3 to the frame 2 in its closed position.
- the seal 11 has in cross section substantially the shape of a U capping the cylindrical skirt 10 and comprising means ensuring the positive attachment by clipping or notching of the seal 11 on the skirt 10 of the cover 3 so that the connecting core 11a of the two branches 11b of the gasket 11 constitutes a sealing surface bearing on the inner flange 8 of the frame 2 in the tilted closing position of the lid 3 to which the skirt 10 is located thus above the collar 8 perpendicular to the latter.
- the attachment means of the gasket 11 to the skirt 10 comprise first of all an internal pin 13 integral with the core 11a of the gasket 11 protruding from the web 11a perpendicular to it between the two branches 11b of the gasket 11 and flexible lips 14 integral with the pin 13 protruding from each side of the pin and engaging resiliently in an annular groove 15 formed in the edge of the skirt 10 to effectively retain the pin 13 in the groove 15.
- the groove 15 has in cross section substantially the shape of an isosceles trapezium opening outwardly of the edge of the skirt 10 by its large base.
- the annular post 13 is provided with three pairs of flexible lips 14 located one above the other, the lips 14 of the first two pairs starting from the free end of the tenon being inclined at the same angle relative to the tenon 13 towards the web 11a of the gasket 11 so as to be parallel to each other in the disengaged position of the gasket 11 of the skirt 10, while the two flexible lips 14 of the third pair located in the vicinity of the base of the pin 13 extend perpendicularly on both sides of it.
- the flexible lips 14 of these pairs protrude on both sides of the post 13 by a distance such as in cross section of the post, they have an isosceles trapezoidal external profile of shape conjugate to that of the groove 15 of the skirt 10.
- the tenon 13 may have in cross section a substantially isosceles trapezoidal shape whose large base constitutes the connecting leg of the pin 13 to the core 11a of the seal 11.
- the fastening means of the gasket 11 to the skirt 10 further comprise substantially parallel ridges 15 secured to the two inner faces of the arms 11b of the gasket 11 and pressing respectively against the two lateral faces of the cylindrical skirt 10 once the seal 11 mounted on the skirt 10.
- the ridges 16 may be slightly inclined towards the web 11a of the gasket 11 in order to better grip the corresponding lateral faces of the skirt 10 and the two branches 11b of the gasket 11 may converge slightly towards each other in the disengaged position. of the skirt 10 to elastically grip the lateral faces of the skirt 10 when the seal 11 shoes this skirt.
- the ridges 16 may extend over almost the entire height of each branch 11b of the seal 11.
- the fastening means of the seal 11 to the skirt 10 are of a design such that they allow the attachment of the gasket 11 to the skirt 10 without requiring machining of the skirt 10 and its groove 15 which remain rough cast.
- the synthetic rubber material of the gasket 11 may be an ethylene-propylene-diene terpolymer (EPDM), a material resistant to both ultraviolet rays, mechanical stresses and time.
- EPDM ethylene-propylene-diene terpolymer
- the seal 11 may also be provided with a flexible outer peripheral lip 17 projecting from the outer face of the outer leg 11b of the seal 11 and resiliently bearing against the inner annular face of the wall 6 of the frame 2 in the closed position cover 3 on the frame 2 to increase the seal of this seal between cover 3 and frame 2.
- Two or more peripheral lips 17 may be provided to the branch 11b of the gasket 11 parallel to one another above.
- the number of lips 14 and ridges 16, their inclinations and their shapes are determined in order to obtain a good compromise between the establishment and fixing by clipping of the elastic seal 11 on the cylindrical skirt 10.
- the groove 15 of the skirt 10 may have an inverted U-shaped cross-section, in which case the flexible lips 14 would protrude on either side of the post, of rectangular cross section, according to the same length to provide the lips, when considered in cross section, a shape profile complementary to that of the groove 15, the lips 14 retaining their function to oppose the removal of the seal 11 of the skirt 10 when engaged elastically in the throat 15.
- the invention thus proposes a seal and soundproofing for a manhole cover of a structure allowing its easy attachment to a skirt of this cover without requiring special machining of the skirt and its throat which remain raw. of foundry, and which is firmly secured to the skirt, without risk of detaching it during the tilting operation of the cover to its open position despite the presence of waste between the seat flange 2 of the frame 2 and the sealing range of this seal which tend to stick it to the collar.
- the invention has been described with reference to a circular frame and cover, but it is understood that it can be applied to frames and covers for rectangular, square or other manholes.
- the skirt under the cover could be constituted by four ribs having the general shape of a rectangle or a square and the seal could be constituted in the form of four independent strips fixed by clipping respectively on the four ribs of the skirt coming from foundry, each rib being provided with a groove also raw foundry, formed in the edge of the rib to retain the tenon of the corresponding band of the seal.
- each band of the seal will have in cross section a shape identical to the cross section of the annular seal described above.
- each band of the joint will have a structure identical to that of the annular seal and will be of the same material as the latter.
- the groove of each rib of the skirt will have in cross section substantially the shape of an isosceles trapezium opening outwardly from the edge of the rib by its large base.
- the invention can be applied to a lid that is not articulated to its support frame and that can simply be recessed into the frame.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Gasket Seals (AREA)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Description
Claims
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201180009845.1A CN103025962B (zh) | 2010-02-18 | 2011-02-14 | 具有框架和设有阻尼和密封衬垫的缓冲件的检修孔盖 |
| AU2011217119A AU2011217119B2 (en) | 2010-02-18 | 2011-02-14 | Manhole cover having a frame and buffer provided with a damping and sealing gasket |
| RU2012141240/03A RU2012141240A (ru) | 2010-02-18 | 2011-02-14 | Люк с крышкой, имеющий раму и демпфер с уплотнительной и амортизирующей прокладками |
| PL11708925T PL2536883T3 (pl) | 2010-02-18 | 2011-02-14 | Właz uliczny i złącze uszczelniające |
| NO11708925A NO2536883T3 (fr) | 2010-02-18 | 2011-02-14 | |
| ES11708925.0T ES2658659T3 (es) | 2010-02-18 | 2011-02-14 | Registro de calzada y junta de estanquidad |
| NZ601741A NZ601741A (en) | 2010-02-18 | 2011-02-14 | Manhole cover having a frame and buffer provided with a damping and sealing gasket |
| EP11708925.0A EP2536883B1 (fr) | 2010-02-18 | 2011-02-14 | Regard de chaussée et joint d'etanchéité |
| MA35000A MA33845B1 (fr) | 2010-02-18 | 2012-06-25 | Regard de chaussee a cadre et tampon pourvu d'un joint d'amortissement et d'etancheite |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1051171A FR2956418B1 (fr) | 2010-02-18 | 2010-02-18 | Regard de chaussee a cadre et tampon pourvu d'un joint d'amortissement et d'etancheite |
| FR1051171 | 2010-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2011101582A2 true WO2011101582A2 (fr) | 2011-08-25 |
| WO2011101582A3 WO2011101582A3 (fr) | 2014-09-04 |
Family
ID=42935452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2011/050299 Ceased WO2011101582A2 (fr) | 2010-02-18 | 2011-02-14 | Regard de chaussee a cadre et tampon pourvu d'un joint d'amortissement et d'etancheite |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP2536883B1 (fr) |
| CN (1) | CN103025962B (fr) |
| AU (1) | AU2011217119B2 (fr) |
| ES (1) | ES2658659T3 (fr) |
| FR (1) | FR2956418B1 (fr) |
| MA (1) | MA33845B1 (fr) |
| NO (1) | NO2536883T3 (fr) |
| NZ (1) | NZ601741A (fr) |
| PL (1) | PL2536883T3 (fr) |
| PT (1) | PT2536883T (fr) |
| RU (1) | RU2012141240A (fr) |
| WO (1) | WO2011101582A2 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2642935B1 (es) * | 2016-05-19 | 2018-09-13 | Manufacturas Y Transformados Ab, S.L. | Tapa para su uso en vías públicas |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2660678A1 (fr) | 1990-04-05 | 1991-10-11 | Sodif Sa | Regard de chaussee a tampon articule, joint d'amortissement et a fermeture par basculement. |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6080142U (ja) * | 1983-11-02 | 1985-06-04 | 不二グレ−ト工業株式会社 | 鉄蓋などの密閉具 |
| JP2507417Y2 (ja) * | 1989-04-07 | 1996-08-14 | シーアイ化成株式会社 | 排水ますなどの蓋受部止水構造 |
| BE1007256A3 (nl) * | 1993-06-30 | 1995-05-02 | Kruyfhooft Christina | Inrichting voor het afsluiten van putten. |
| JPH0978619A (ja) * | 1995-09-11 | 1997-03-25 | Takiron Co Ltd | 蓋受枠と蓋との取付構造 |
| US5813352A (en) * | 1995-11-01 | 1998-09-29 | Trinity Industries, Inc. | Vented hatch cover |
| JP2001049681A (ja) * | 1999-08-04 | 2001-02-20 | Fuji Cast:Kk | マンホールなどの防水蓋 |
| US6494338B1 (en) * | 2000-10-12 | 2002-12-17 | Trn Business Trust | Hatch cover gasket |
| FR2897880B1 (fr) * | 2006-02-28 | 2009-11-06 | Saint Gobain Pam Sa | Dispositif de fermeture. |
| FR2904014B1 (fr) * | 2006-07-21 | 2008-10-10 | Norinco Soc Par Actions Simpli | Dispositif de verrouillage et de deverrouillage a l'aide d'une cle d'un tampon ou couvercle sur un cadre, notamment de regard de chaussee. |
| CN100540415C (zh) * | 2007-12-20 | 2009-09-16 | 南车长江车辆有限公司 | 散装粉料罐车自密封式人孔盖 |
| CN101597909A (zh) * | 2009-07-13 | 2009-12-09 | 长沙金龙铸造实业有限公司 | 全方位楔形预紧式防噪音井盖 |
-
2010
- 2010-02-18 FR FR1051171A patent/FR2956418B1/fr active Active
-
2011
- 2011-02-14 PL PL11708925T patent/PL2536883T3/pl unknown
- 2011-02-14 RU RU2012141240/03A patent/RU2012141240A/ru not_active Application Discontinuation
- 2011-02-14 PT PT117089250T patent/PT2536883T/pt unknown
- 2011-02-14 AU AU2011217119A patent/AU2011217119B2/en not_active Ceased
- 2011-02-14 EP EP11708925.0A patent/EP2536883B1/fr active Active
- 2011-02-14 NO NO11708925A patent/NO2536883T3/no unknown
- 2011-02-14 NZ NZ601741A patent/NZ601741A/en not_active IP Right Cessation
- 2011-02-14 CN CN201180009845.1A patent/CN103025962B/zh active Active
- 2011-02-14 ES ES11708925.0T patent/ES2658659T3/es active Active
- 2011-02-14 WO PCT/FR2011/050299 patent/WO2011101582A2/fr not_active Ceased
-
2012
- 2012-06-25 MA MA35000A patent/MA33845B1/fr unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2660678A1 (fr) | 1990-04-05 | 1991-10-11 | Sodif Sa | Regard de chaussee a tampon articule, joint d'amortissement et a fermeture par basculement. |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2011217119B2 (en) | 2016-09-29 |
| CN103025962A (zh) | 2013-04-03 |
| FR2956418A1 (fr) | 2011-08-19 |
| MA33845B1 (fr) | 2012-12-03 |
| EP2536883B1 (fr) | 2017-11-08 |
| NO2536883T3 (fr) | 2018-04-07 |
| ES2658659T3 (es) | 2018-03-12 |
| CN103025962B (zh) | 2016-01-20 |
| WO2011101582A3 (fr) | 2014-09-04 |
| AU2011217119A1 (en) | 2012-09-20 |
| PT2536883T (pt) | 2018-02-16 |
| PL2536883T3 (pl) | 2018-04-30 |
| EP2536883A2 (fr) | 2012-12-26 |
| NZ601741A (en) | 2015-02-27 |
| FR2956418B1 (fr) | 2012-08-17 |
| RU2012141240A (ru) | 2015-03-20 |
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