EP0200008A1 - Verriegelte und dichte Schachtabdeckung - Google Patents

Verriegelte und dichte Schachtabdeckung Download PDF

Info

Publication number
EP0200008A1
EP0200008A1 EP86104384A EP86104384A EP0200008A1 EP 0200008 A1 EP0200008 A1 EP 0200008A1 EP 86104384 A EP86104384 A EP 86104384A EP 86104384 A EP86104384 A EP 86104384A EP 0200008 A1 EP0200008 A1 EP 0200008A1
Authority
EP
European Patent Office
Prior art keywords
frame
pad
manhole cover
flange
cover according
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
EP86104384A
Other languages
English (en)
French (fr)
Other versions
EP0200008B1 (de
Inventor
Pierre Vigneron
Jean-Claude Hauer
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson 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 Pont a Mousson SA filed Critical Pont a Mousson SA
Priority to AT86104384T priority Critical patent/ATE41186T1/de
Publication of EP0200008A1 publication Critical patent/EP0200008A1/de
Application granted granted Critical
Publication of EP0200008B1 publication Critical patent/EP0200008B1/de
Expired legal-status Critical Current

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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
    • E02D29/149—Annular gaskets
    • 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
    • E02D29/1427—Locking devices

Definitions

  • the invention relates to a manhole cover with a locked and waterproof buffer allowing access to the various underground networks, in particular to the underground urban sanitation networks.
  • a manhole cover of generally circular shape, sealed sealed comprising a cover, or buffer, held in a frame by a latch bearing on the underside of the frame and connected to a threaded rod passing right through the pad, a seal being interposed between the frame and the pad; in this device, the threaded rod ensuring the application of the latch on the underside of the frame is located at a distance from the center of the pad less than the radius of the seal interposed between the frame and the pad.
  • the pad is locked on its frame by direct metal-to-metal contact between the frame and the pad.
  • perfect contact over the entire periphery of the pad, between the frame and the pad, is very difficult to achieve.
  • movements of the buffer with respect to the frame which, on the one hand, are such as to create unacceptable noises during the passage of a vehicle over the gaze and, on the other hand, cause shearing. of the packing.
  • a closure device comprising a pad held in a frame by a locking ring applied to the upper face of the pad and which has bearing surfaces facing corresponding surfaces of the frame, able to cooperate with said surfaces of the frame to apply the pad to the frame when said locking ring is rotated, a seal being interposed between the frame and the pad.
  • the locking of the pad being simply obtained by a rotation of the locking ring and maintained by friction of the metal parts between them, the repeated passage of vehicles can cause, by the vibrations generated, a reverse rotation of the locking ring , which causes the buffer to be unlocked.
  • the coefficient of friction between two metal parts is such that the forces generated by this friction, and opposing the rotation of the locking ring, are negligible compared to the forces generated by the passage of a rolling load on the look.
  • the invention aims to remedy these drawbacks by proposing a sealed locking device for a buffer on its frame, at the same time ensuring the watertightness of the manhole, and absolutely prohibiting any vertical upward or downward movement of the stamp in its frame following the passage of vehicles.
  • the manhole cover with a sealed and sealed buffer comprising a buffer, a frame suitable for receiving this buffer, a sealing insert interposed between the frame and the buffer, and means for locking the buffer on this frame is characterized. in that the means for locking the pad on this frame comprise a plurality of flanges regularly distributed around the periphery of the frame, integral with the latter by means of removable fixing means.
  • a compressible seal and an incompressible soundproofing are interposed between the frame and the pad.
  • the manhole cover comprises a pad 2, a frame 1 suitable for receiving this pad 2, a gasket G1, an elastomer toroid having a hardness of between 45 ° and 60 ° SHORE A interposed between the frame 1 and the pad 2, a sound-absorbing lining G2, of hardness between 41 ° and 46 ° SHORE D
  • this lining G2 can be of a known type as described in patent FR 2 153 823, and a plurality of flanges. 4 integral with the frame 1 by means of removable fixing means, generally designated by the reference F.
  • the manhole is circular, but it could be, for example, triangular or rectangular.
  • the frame 1 comprises a skirt 9, continuous, extending vertically from a horizontal support flange 8 by which the frame 1 is supported on the top of the chimney, not shown, constituting the look of visit.
  • the latter is provided with an internal radial flange 11, having an upper part 17 slightly inclined relative to the horizontal, extended externally by a peripheral groove 18.
  • This radial flange internal 11 has internally a frustoconical surface 19 of vertical axis.
  • the internal radial flange 11 is connected, by a leave 14, in an external radial extension of the peripheral groove 18 of the upper face of the flange 11, to the skirt 9.
  • This leave 14 serves as a seat for the O-ring seal G1 .
  • the support sole 8, of the frame 1 has, regularly distributed around its periphery, support reliefs 81, formed integrally with the sole 8, raised relative to this support sole 8.
  • These reinforcements 81 have a upper support surface 82, which can be slightly inclined relative to the frustoconical horizontal with a vertical axis, the internal limit of this support surface 82 being at a lower height than the external limit of this said face.
  • these reliefs 81 are six in number.
  • These reliefs 81 are at a height, relative to the support sole 8, greater than the height of the face 17 of the flange 11, but less than the height of the skirt 9.
  • the skirt 9, at the reliefs 81 defines, with the bearing surfaces 82, housings 6.
  • Each flange 4 consists of an internal part 10 directed towards the inside of the frame 1, and of an external part 15 directed towards the outside of the frame 1.
  • each flange 4 is pierced with a hole for the passage of a bolt 3 ensuring the fixing of the flange 4 on the frame 1.
  • the bolt 3 is screwed into the thread 16.
  • a locking washer 5 is interposed between the head of the bolt 3 and the upper surface of the flange 4.
  • the bolts 3 and the locking washers 5 then constitute the fixing means designated by the reference F.
  • Each external part 15 of a flange 4 is intended to bear on the bearing surface 82 of a relief 81, inside the housing 6, the flanges 4 being the same number as the housing 6.
  • the pad 2 has, on its periphery, on its upper face, a bearing surface 7 (or shoulder 7) of the internal part 10 of the flange 14, which can be slightly inclined relative to the horizontal, frustoconical, vertical axis, the outer limit of this shoulder 7 being at a lower height than the internal limit of this shoulder 7.
  • This shoulder 7 (or bearing surface 7) is connected to another bearing surface 12, of the pad 2, below the shoulder 7, by a frustoconical surface 13, of vertical axis, the internal limit of this surface 13 being less high than the external limit of this said surface.
  • the seal, G1 can be, as shown in Fig. 1 and 2, an O-ring seal made of elastomer with a hardness between 45 ° and 60 ° SHORE A. It rests on the fillet 14 of the flange 11.of the frame 1.
  • the G2 sound-absorbing lining interposed between the frame and the pad, is made of a compression-resistant material that can result from the passage of a vehicle over the manhole. It can, for example, be made of polyethylene, with a hardness between 41 ° and 46 ° SHORE D.
  • This packing G2 a as illustrated in FIGS. 1 and 2, an inverted G-shaped profile.
  • This sound-absorbing lining G2 envelops the internal radial flange 11. It consists of a body 20 of external profile corresponding to the profile of the frustoconical face 19 of the frame 1, connected to r _two horizontal lips, the upper lip 21 of which has a corresponding internal profile to the profile of the face 17 of the collar 11. This upper lip 21 is terminated by a bead for attaching a profile conjugate with that of the groove 18 of the collar 11.
  • the pad 2 rests on this sound-absorbing lining G2 by the annular bearing surface 12, arranged below the bearing surface 7 or shoulder, in contact with the upper face of the lip 21 of the lining G2.
  • the diameter of the bolt 3 through hole in the flange 4 is greater than the diameter of the bolt 3, and in proportions allowing the tolerances due to the manufacturing by molding of the parts, such as the buffer 2, the frame 1 and the flanges 4, which allows the flange 4 to have a slight angular deviation relative to the perpendicular axis of the bolt 3.
  • the O-ring seal Gl is only subjected to compression, between the face 13 of the pad and the leave 14 of the frame, resulting from the contacting of the face 12 of the pad with the lip 21 of the incompressible soundproofing lining G2 by means of the clamping of the flanges 4.
  • the compression ratio of the packing G1 is therefore a function of the molding tolerances of the casting parts, and this is why the packing Gl consists of an elastomer with a hardness of between 45 ° and 60 ° SHORE A to allow easy compression. of this lining G1 even in the case of extreme dimensional deviations which would reduce the volume located between the fillet 14 and the surface 13 once the surface 12 of the pad 2 is in contact with the lip 21 of the incompressible lining G2.
  • the lining G1 is not subjected to any increase in its compression, so it does not risk deteriorating prematurely.
  • a watertight locked manhole has been produced according to the model of the invention in which the sealing gasket Gl has been removed and the soundproofing gasket G2 has been replaced by a seal G3 which can be, as illustrated in Fig. 3 with the same profile as the sound absorbing lining G2 but made of a compressible material of medium hardness, for example an elastomer of hardness 60 ° SHORE A.
  • each flange 4 once the fastening means F in place, is supported on, the bearing surface 82 of the frame 1 by its external part 15, and the bearing surface 7 of the pad by its internal part 10 Thanks to this double support, on either side of the axis along which the fixing means F act, it is possible to act on the fixing means F with dynamometric control means, such as a wrench. tightening of the bolts 3 with dynamometric tightening control, and thus obtaining a determined preload of the seal G3.
  • dynamometric control means such as a wrench.
  • this prestressing of the gasket G3 makes it possible to avoid collapsing of the buffer, relative to the frame, during the passage of a vehicle, which would cause a release of the flange 4 and therefore the possibility of loosening of the bolts 3.
  • the gasket G3 therefore serves both to ensure the watertightness of the manhole in runoff and the locking of the plug, since the gasket being prestressed during mounting of the manhole, any subsequent movement of the plug is made impossible.
  • the packing G3 of elastomer could be of another profile such as for example that described in patent FR 2 508 953, or of another profile, provided that this packing is compressible and interposed between a surface of upper support of pad 2 and an upper support surface of the frame 1, the frame 1 and the pad 2 never being in direct metal-metal contact.
  • the manhole locking device therefore makes it possible to ensure effective locking of the buffer and to ensure good sealing against runoff between the frame 1 and the buffer 2 by using parts (frame 1 buffer 2 and flanges 4) rough casting, not requiring subsequent machining.

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)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Peptides Or Proteins (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP86104384A 1985-04-29 1986-04-01 Verriegelte und dichte Schachtabdeckung Expired EP0200008B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86104384T ATE41186T1 (de) 1985-04-29 1986-04-01 Verriegelte und dichte schachtabdeckung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8507052A FR2581103B1 (fr) 1985-04-29 1985-04-29 Regard de chaussee a tampon verrouille et etanche
FR8507052 1985-04-29

Publications (2)

Publication Number Publication Date
EP0200008A1 true EP0200008A1 (de) 1986-11-05
EP0200008B1 EP0200008B1 (de) 1989-03-08

Family

ID=9319108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86104384A Expired EP0200008B1 (de) 1985-04-29 1986-04-01 Verriegelte und dichte Schachtabdeckung

Country Status (6)

Country Link
US (1) US4763449A (de)
EP (1) EP0200008B1 (de)
AT (1) ATE41186T1 (de)
DE (1) DE3662285D1 (de)
ES (1) ES296601Y (de)
FR (1) FR2581103B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459150A3 (en) * 1990-05-30 1992-02-26 Bernhard Kessel Securing device for a covering
EP0601445A1 (de) * 1992-12-10 1994-06-15 ACO Severin Ahlmann GmbH & Co. KG Oberflächenentwässerungseinrichtung
WO2000011272A1 (en) * 1998-08-21 2000-03-02 Shim Kyu Bo Manhole cover assembly with a locking means
KR100949742B1 (ko) 2009-06-15 2010-03-25 삼화주철공업 주식회사 탄성 부재를 포함하는 잠금 장치 및 이를 이용하는 맨홀
GB2502949A (en) * 2012-04-23 2013-12-18 Wrekin Holdings Ltd Drain cover and frame assembly

Families Citing this family (47)

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US4867600A (en) * 1987-07-23 1989-09-19 Bowman Harold M Polygonal manhole cover support
US4867601A (en) * 1987-07-23 1989-09-19 Bowman Harold M Sturdy adjustable manhole cover support
USRE34550E (en) * 1987-07-23 1994-02-22 Bowman; Harold M. Sturdy adjustable manhole cover support
US4941588A (en) * 1989-08-28 1990-07-17 Justrite Manufacturing Company Overpack drum
US5160064A (en) * 1991-05-21 1992-11-03 Erw, Inc. Fuel containment cover assembly
US5201151A (en) * 1991-10-11 1993-04-13 Ebw, Inc. Manhole rim and cover assembly
US5275501A (en) * 1991-12-09 1994-01-04 The Pfaudler Companies, Inc. Quick opening manhole cover assembly for use with virtually any shape manhole cover
US5240346A (en) * 1992-02-05 1993-08-31 Yin Chun Chou Manhole having a splayed rib ring formed at underside of the lid thereof
US5328291A (en) * 1992-09-24 1994-07-12 Wisniewski Robert S Locking manhole insert
US5324135A (en) * 1993-04-28 1994-06-28 Dennis Smith Locking cover
US6007270A (en) 1993-07-02 1999-12-28 Bowman; Harold M. Manhole frame assembly
US5628152A (en) * 1995-08-16 1997-05-13 Bowman; Harold M. Adjustable manhole cover support with shield
US5697729A (en) * 1993-07-02 1997-12-16 Bowman; Harold M. Anchor for utility access hole support insert
US5611640A (en) * 1994-05-27 1997-03-18 Bowman; Harold M. Method and apparatus for anchoring a utility grate cover
US5564855A (en) * 1994-05-31 1996-10-15 National Polymers Inc Height adjustment ring for manhole cover frame
US5956905A (en) * 1997-02-06 1999-09-28 Wiedrich; Dwight G. Manhole adjusting extension member
US6035581A (en) * 1998-09-09 2000-03-14 Archie Mccoy (Hamilton) Ltd. Road surface aperture frames and covers
USD428159S (en) * 1999-02-11 2000-07-11 Archie McCoy Ltd. Road surface aperture frame
US6464425B1 (en) 1999-07-16 2002-10-15 Robert F. Closkey Apparatus and method for minimizing liquid infiltration into subterranean openings
ES1046740Y (es) * 2000-07-24 2001-06-16 Albemarna S L Dispositivo de cierre para arqueta de registro.
GB2390629B (en) * 2002-07-10 2005-12-21 Saint Gobain Pipelines Plc A frame for bounding a recess and related assemblies
FR2851591B1 (fr) * 2003-02-26 2005-05-13 Fmc Corp Dispositif d'obturation etanche a l'eau d'une ouverture, telle que regard de chaussee
US20050011573A1 (en) * 2003-07-14 2005-01-20 American Boa, Inc. Flexible liner air gap pipe
US7251914B1 (en) * 2003-11-13 2007-08-07 Dabico, Inc. Frame mount latch assembly for subsurface aircraft servicing pit
JP3882083B2 (ja) * 2003-11-26 2007-02-14 国立大学法人岐阜大学 測距装置
US7201533B2 (en) 2004-02-18 2007-04-10 Grate Sewer Lock Co., Llc Sewer grate locking mechanism and method of installing same
KR100649612B1 (ko) 2004-03-09 2006-11-24 신운철 맨홀뚜껑의 이탈방지장치
US6957927B1 (en) * 2004-05-20 2005-10-25 Dabico, Inc. Removable aircraft servicing pit lid
ITMI20050143U1 (it) * 2005-04-26 2006-10-27 Nupi S P A POZZETTO COMPONIBILE IN MATERIALE PLASTICO CON MONTAGGIO ED AòETTROFUSIONE
US20070081856A1 (en) * 2005-10-12 2007-04-12 Degreef Richard Method and apparatus for locking a manhole cover
CA2661755A1 (en) * 2006-08-25 2008-02-28 Gmi Composites Inc. Reinforced composite manhole cover assembly and components thereof
FR2925536B1 (fr) * 2007-12-20 2011-04-15 Saint Gobain Pont A Mousson Regard de chaussee
KR100895849B1 (ko) 2008-10-14 2009-05-06 (주)한국주조 측면고정구조를 갖는 맨홀장치
US8573883B2 (en) * 2008-11-14 2013-11-05 Munro Ltd. Integrated frame and cover system
DE102009030882A1 (de) * 2009-06-19 2010-12-23 Ehd Eisenhammer Dresden Gmbh & Co. Kg Schachtabdeckung
EP2800836A4 (de) * 2011-12-15 2015-10-28 Im2 Merchandising And Mfg Inc Schachtabdeckung mit schienen
US8851790B1 (en) * 2013-08-29 2014-10-07 The Bilco Company Watertight hatch
US20150204046A1 (en) * 2014-01-17 2015-07-23 Jerry D. Taylor Manhole cover locking device
US9790714B1 (en) * 2016-03-31 2017-10-17 David Stadler Locking cover assembly for preventing unauthorized access to a utility shut off valve
US20190161936A1 (en) * 2016-10-10 2019-05-30 Trumbull Manufacturing, Inc. Cover assembly
US10240317B2 (en) * 2016-10-10 2019-03-26 Trumbull Manufacturing, Inc. Cover assembly
US20190063032A1 (en) * 2017-08-25 2019-02-28 Trumbull Manufacturing, Inc. Meter cover
US11885094B2 (en) 2020-11-24 2024-01-30 Oatey Co. Product and method for sealing and lubricating sewer manhole assemblies
US20240117588A1 (en) * 2022-10-11 2024-04-11 Ramon Closner Kit of Parts and Apparatus for Covering a Manhole
US12214858B2 (en) * 2023-02-22 2025-02-04 Gulfstream Aerospace Corporation Removable cover for hatch
US12297608B2 (en) * 2023-10-16 2025-05-13 Clover Equipment, LLC Selectively frictionally engaged hole cover
US20250122689A1 (en) * 2023-10-16 2025-04-17 Clover Equipment, LLC Selectively Frictionally Engaged Hole Cover

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FR1426805A (fr) * 1965-03-23 1966-01-28 Passavant Werke Dispositif de fermeture pour couvercles de puits de visite, grilles et analogues
FR2457932A1 (fr) * 1979-06-01 1980-12-26 Pont A Mousson Element de voirie, notamment regard ou avaloir de chaussee
FR2468697A3 (fr) * 1979-11-02 1981-05-08 Passavant Werke Fermeture a tourniquet pour des couvercles de regards, des grilles ou des dispositifs semblables

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GB1515278A (en) * 1975-12-08 1978-06-21 Brickhouse Dudley Ltd Manhole cover assemblies
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JPS6047414B2 (ja) * 1982-10-27 1985-10-22 不二グレ−ト工業株式会社 マンホ−ルの蓋の施錠装置

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Publication number Priority date Publication date Assignee Title
FR1426805A (fr) * 1965-03-23 1966-01-28 Passavant Werke Dispositif de fermeture pour couvercles de puits de visite, grilles et analogues
FR2457932A1 (fr) * 1979-06-01 1980-12-26 Pont A Mousson Element de voirie, notamment regard ou avaloir de chaussee
FR2468697A3 (fr) * 1979-11-02 1981-05-08 Passavant Werke Fermeture a tourniquet pour des couvercles de regards, des grilles ou des dispositifs semblables

Non-Patent Citations (1)

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Title
PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 191 (M-322)[1628], 4 septembre 1984; & JP-A-59 080 825 (FUJI GUREETO KOGYO K.K.) 10-05-1984 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459150A3 (en) * 1990-05-30 1992-02-26 Bernhard Kessel Securing device for a covering
EP0601445A1 (de) * 1992-12-10 1994-06-15 ACO Severin Ahlmann GmbH & Co. KG Oberflächenentwässerungseinrichtung
US5466091A (en) * 1992-12-10 1995-11-14 Aco Severin Ahlmann Gmbh & Co., Kg Surface drainage apparatus
WO2000011272A1 (en) * 1998-08-21 2000-03-02 Shim Kyu Bo Manhole cover assembly with a locking means
KR100949742B1 (ko) 2009-06-15 2010-03-25 삼화주철공업 주식회사 탄성 부재를 포함하는 잠금 장치 및 이를 이용하는 맨홀
GB2502949A (en) * 2012-04-23 2013-12-18 Wrekin Holdings Ltd Drain cover and frame assembly

Also Published As

Publication number Publication date
DE3662285D1 (en) 1989-04-13
EP0200008B1 (de) 1989-03-08
ATE41186T1 (de) 1989-03-15
US4763449A (en) 1988-08-16
ES296601Y (es) 1988-05-16
FR2581103A1 (fr) 1986-10-31
ES296601U (es) 1987-12-01
FR2581103B1 (fr) 1987-05-29

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