EP1932971A1 - Schachtabdeckung - Google Patents

Schachtabdeckung Download PDF

Info

Publication number
EP1932971A1
EP1932971A1 EP07291485A EP07291485A EP1932971A1 EP 1932971 A1 EP1932971 A1 EP 1932971A1 EP 07291485 A EP07291485 A EP 07291485A EP 07291485 A EP07291485 A EP 07291485A EP 1932971 A1 EP1932971 A1 EP 1932971A1
Authority
EP
European Patent Office
Prior art keywords
auxiliary seal
seal
skirt
buffer
frame
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.)
Granted
Application number
EP07291485A
Other languages
English (en)
French (fr)
Other versions
EP1932971B1 (de
Inventor
Arnaud Cuny
Jacky Boca
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain PAM SA
Original Assignee
Saint Gobain PAM SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Saint Gobain PAM SA filed Critical Saint Gobain PAM SA
Publication of EP1932971A1 publication Critical patent/EP1932971A1/de
Application granted granted Critical
Publication of EP1932971B1 publication Critical patent/EP1932971B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 main seal is used to silence the look in the closed state, as well as to reduce the amount of water likely to enter the gap between the frame and the buffer, without guaranteeing a complete seal.
  • the invention aims to improve the waterproofness of this manhole, with simple and economical means.
  • the invention relates to a manhole of the type indicated, characterized in that the main seal and the auxiliary seal are formed by two separate parts.
  • the single figure shows in section a manhole according to the invention, designated by the general reference 2.
  • the manhole 2 comprises a frame 4 and a buffer 10 supported by the frame.
  • the frame 4 and the pad 10 define a central axis X-X and are preferably made of ductile iron.
  • the frame 4 delimits an opening 6 and has an internal collar 8 serving to support the pad 10.
  • the buffer 10 has a substantially planar sealing web 12, perpendicular to the central axis XX and which closes the opening 6 when the buffer 10 is in the closed position on the frame, and a cylindrical skirt 14 located under the sealing veil 12 and which extends inward parallel to the central axis XX.
  • the cylindrical skirt 14 is centered on the central axis XX and extends into the opening delimited by the internal collar 8.
  • the skirt 14 is located at a distance from the periphery of the sealing veil 12, the latter thus delimiting a flange device 13 having an inner surface 15 which is perpendicular to the central axis XX and which connects to the skirt 14.
  • the inner surface 15 and the skirt 14 thus define a concave corner 16 which is directed radially outwards relative to the central axis XX.
  • the manhole 2 is further provided with a main seal 18, made of an elastic material, such as elastomer for example.
  • the main seal 18 is disposed on the inner collar 8 and located between the buffer 10 and the frame 4 in the closed state of the eye 2. More specifically, the main seal 18 has a C-shaped radial section, surrounding the inner flange 8. In the closed position, the lower surface 15 of the rim 13 of the buffer rests on the main seal 18, thus preventing the sound of slamming of the buffer on the frame during the passage of vehicles .
  • the main seal 18 also provides a primary seal against runoff water likely to enter the gap between the buffer and the frame.
  • the manhole 2 also includes an auxiliary seal 20 for sealing the runoff water.
  • This auxiliary seal 20 is disposed on the skirt 14 and is in contact with the concave corner 16.
  • the auxiliary seal 20 is made in one piece and an elastic material, for example elastomeric material.
  • the two seals 18 and 20 are made of the same material.
  • the auxiliary seal 20 comprises a first sealing lip portion 22 and a second portion 24 integral with the first portion 22.
  • the first portion 22 is generally torus shaped and has a hollow ring-shaped radial cross-section which facilitates deformation thereof.
  • the second portion 24 extends the first portion 22 axially inward and has a non-circular radial cross section, in this case a substantially rectangular cross section.
  • the radial cross section of the auxiliary seal 20 is substantially P-shaped.
  • the second portion 24 applies over its entire axial length to the skirt 14 and serves essentially to prevent the sliding and twisting of the auxiliary seal 20 on the skirt 14.
  • the axial length of the second portion 24 is greater than the axial length of the first portion 22.
  • the auxiliary seal 20 When closing the buffer 10 on the frame 4, the auxiliary seal 20 is placed against the main seal 18 and at least the sealing lip 22 is elastically compressed. Thus this auxiliary seal 20 substantially increases the tightness of the manhole 2.
  • the auxiliary seal 20 according to the invention can easily be installed on existing manholes.

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)
  • Sewage (AREA)
EP07291485.6A 2006-12-14 2007-12-11 Schachtabdeckung Active EP1932971B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0610908A FR2910030B1 (fr) 2006-12-14 2006-12-14 Regard de chaussee

Publications (2)

Publication Number Publication Date
EP1932971A1 true EP1932971A1 (de) 2008-06-18
EP1932971B1 EP1932971B1 (de) 2016-06-08

Family

ID=38196558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07291485.6A Active EP1932971B1 (de) 2006-12-14 2007-12-11 Schachtabdeckung

Country Status (6)

Country Link
US (1) US7491010B2 (de)
EP (1) EP1932971B1 (de)
ES (1) ES2589590T3 (de)
FR (1) FR2910030B1 (de)
PL (1) PL1932971T3 (de)
PT (1) PT1932971T (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8640737B2 (en) * 2010-12-07 2014-02-04 Lmk Technologies, Llc Apparatus and method for sealing pipes and underground structures
US8360679B2 (en) 2011-03-29 2013-01-29 Strike Tool, Inc. Inflow and infiltration cap and seal barrier
RU190604U1 (ru) * 2019-05-16 2019-07-04 Открытое Акционерное Общество "Тяжпрессмаш" Опорно-укрывной элемент смотрового колодца
US12435483B2 (en) * 2021-04-22 2025-10-07 Consolidated Edison Company Of New York, Inc. Insulating cover for a utility manhole

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3308727A (en) 1964-04-08 1967-03-14 Central States Ind Supply Comp Support for manhole cover and the like
FR2153823A5 (de) * 1971-09-23 1973-05-04 Pont A Mousson Fond
US4440407A (en) * 1982-11-24 1984-04-03 Michael Gagas Manhole cover gasket seal
US4608787A (en) 1984-06-25 1986-09-02 Carlson Franklin J Manhole seal construction
US4834574A (en) 1987-07-23 1989-05-30 Bowman Harold M Utility cover extension
FR2780997A1 (fr) 1998-07-13 2000-01-14 Manoir Ind Regard de chaussee a couvercle flottant
EP1452648A1 (de) * 2003-02-26 2004-09-01 F.M.C. Wasserdichte Verschlussvorrichtung für eine Öffnung, insbesondere eine Schachtabdeckung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920347A (en) * 1973-10-29 1975-11-18 Roby Ind Inc Manhole cover
US4101236A (en) * 1977-06-29 1978-07-18 Neenah Foundry Company Sealing manhole cover for use on existing unsealed sanitary sewer manhole cover frames
US4187647A (en) * 1977-10-25 1980-02-12 Margaret T. Hall Manhole extender elements
US4203190A (en) * 1978-06-15 1980-05-20 Temple Lowell D Method for connecting sewer pipes to manholes
US4706718A (en) * 1986-06-17 1987-11-17 Universal Valve Co., Inc. Containment manhole having spillage sealing means
US5021261A (en) * 1987-07-23 1991-06-04 Bowman Harold M Process for making a manhole cover support having enhanced grip
GB8804652D0 (en) * 1988-02-27 1988-03-30 Centa A R Access covers for manholes
US6435764B1 (en) * 1999-09-16 2002-08-20 Mcneely P. Dennis Nondestructive system for adjusting manhole and catch-basin elevations

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3308727A (en) 1964-04-08 1967-03-14 Central States Ind Supply Comp Support for manhole cover and the like
FR2153823A5 (de) * 1971-09-23 1973-05-04 Pont A Mousson Fond
US4440407A (en) * 1982-11-24 1984-04-03 Michael Gagas Manhole cover gasket seal
US4608787A (en) 1984-06-25 1986-09-02 Carlson Franklin J Manhole seal construction
US4834574A (en) 1987-07-23 1989-05-30 Bowman Harold M Utility cover extension
FR2780997A1 (fr) 1998-07-13 2000-01-14 Manoir Ind Regard de chaussee a couvercle flottant
EP1452648A1 (de) * 2003-02-26 2004-09-01 F.M.C. Wasserdichte Verschlussvorrichtung für eine Öffnung, insbesondere eine Schachtabdeckung

Also Published As

Publication number Publication date
PL1932971T3 (pl) 2016-12-30
PT1932971T (pt) 2016-09-13
US7491010B2 (en) 2009-02-17
US20080145147A1 (en) 2008-06-19
EP1932971B1 (de) 2016-06-08
FR2910030A1 (fr) 2008-06-20
FR2910030B1 (fr) 2011-04-15
ES2589590T3 (es) 2016-11-15

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