EP1528161A3 - Access covers - Google Patents

Access covers Download PDF

Info

Publication number
EP1528161A3
EP1528161A3 EP04256683A EP04256683A EP1528161A3 EP 1528161 A3 EP1528161 A3 EP 1528161A3 EP 04256683 A EP04256683 A EP 04256683A EP 04256683 A EP04256683 A EP 04256683A EP 1528161 A3 EP1528161 A3 EP 1528161A3
Authority
EP
European Patent Office
Prior art keywords
plate
extension
tongue
depending
access covers
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.)
Withdrawn
Application number
EP04256683A
Other languages
German (de)
French (fr)
Other versions
EP1528161A2 (en
Inventor
Rainer Clover
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1528161A2 publication Critical patent/EP1528161A2/en
Publication of EP1528161A3 publication Critical patent/EP1528161A3/en
Withdrawn legal-status Critical Current

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

Abstract

A load-bearing cover (C) for an access hole comprises a plurality of plates (1) joined in side-by-side relation, each plate (1) comprises a generally planar body, each plate (1) having at one side a tongue extension in the form of a depending post (3) from a side of which extends a generally horizontal ledge (4) below and parallel to the plate body (1), the plate (1) having at the opposite side an extension (5) projecting beyond the plate (1), the extension (5) depending from the plate (1) and having a groove portion (S1) shaped and dimensioned to receive and engage the tongue (4) of the neighbouring plate (1).
EP04256683A 2003-10-30 2004-10-28 Access covers Withdrawn EP1528161A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0325387A GB2407605A (en) 2003-10-30 2003-10-30 Load-bearing cover for an access hole
GB0325387 2003-10-30

Publications (2)

Publication Number Publication Date
EP1528161A2 EP1528161A2 (en) 2005-05-04
EP1528161A3 true EP1528161A3 (en) 2006-01-11

Family

ID=29725671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04256683A Withdrawn EP1528161A3 (en) 2003-10-30 2004-10-28 Access covers

Country Status (2)

Country Link
EP (1) EP1528161A3 (en)
GB (1) GB2407605A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101586348B (en) * 2008-05-22 2013-07-03 王基坜 Embedded type well tool
CN103452140B (en) * 2013-09-11 2015-06-24 青岛林川工程技术咨询有限公司 Well lid system for airport and usage method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555762A (en) * 1968-07-08 1971-01-19 Aluminum Plastic Products Corp False floor of interlocked metal sections
US3884328A (en) * 1973-10-01 1975-05-20 Chester I Williams Scaffold plank
WO1992012074A2 (en) * 1991-01-04 1992-07-23 Case Designers Corporation Interlockable structural members and foldable double wall containers assembled therefrom
EP1277888A1 (en) * 2001-07-20 2003-01-22 Fonderie Viterbesi Di Belli & C. s.n.c. Roadway manhole cover

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1060933A (en) * 1996-08-16 1998-03-03 Kajima Corp Manhole

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555762A (en) * 1968-07-08 1971-01-19 Aluminum Plastic Products Corp False floor of interlocked metal sections
US3884328A (en) * 1973-10-01 1975-05-20 Chester I Williams Scaffold plank
WO1992012074A2 (en) * 1991-01-04 1992-07-23 Case Designers Corporation Interlockable structural members and foldable double wall containers assembled therefrom
EP1277888A1 (en) * 2001-07-20 2003-01-22 Fonderie Viterbesi Di Belli & C. s.n.c. Roadway manhole cover

Also Published As

Publication number Publication date
GB0325387D0 (en) 2003-12-03
EP1528161A2 (en) 2005-05-04
GB2407605A (en) 2005-05-04

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