FR2414096A1 - Roadway metal shaft cover frame - has collets receiving tightening screws which connect the cover frame in vertically adjustable manner to shaft concrete frame - Google Patents

Roadway metal shaft cover frame - has collets receiving tightening screws which connect the cover frame in vertically adjustable manner to shaft concrete frame

Info

Publication number
FR2414096A1
FR2414096A1 FR7800562A FR7800562A FR2414096A1 FR 2414096 A1 FR2414096 A1 FR 2414096A1 FR 7800562 A FR7800562 A FR 7800562A FR 7800562 A FR7800562 A FR 7800562A FR 2414096 A1 FR2414096 A1 FR 2414096A1
Authority
FR
France
Prior art keywords
frame
cover frame
collets
tightening screws
shaft
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
FR7800562A
Other languages
French (fr)
Other versions
FR2414096B1 (en
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.)
PISO JOHANNES
Original Assignee
PISO JOHANNES
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 PISO JOHANNES filed Critical PISO JOHANNES
Priority to FR7800562A priority Critical patent/FR2414096A1/en
Publication of FR2414096A1 publication Critical patent/FR2414096A1/en
Application granted granted Critical
Publication of FR2414096B1 publication Critical patent/FR2414096B1/fr
Granted 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
    • 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

Abstract

The metal cover frame for an open shaft is adapted to be installed flush with a road surface and is connected in a vertically adjustable manner, to adapt to a new road level when the roadway is resurfaced, to a concrete frame which is adapted to rest on the upper end of the shaft. The metal frame comprises an arrangement for holding a cover and has an inwardly projecting lip provided with through holes. Collets are adapted to receive tightening screws corresponding to the through holes in the metal frame being provided in the concrete frame. Tightening screws penetrating the through holes and received in the collets secure the metal cover frame to the concrete frame. The inwardly projecting lip is provided with integral raising arrangement comprising the tightening scres at the bottom side of the inwardly projecting lip of the cover frame provided with collars so that the vertical adjustment can be carried out by the tightening screws for raising the cover frame.
FR7800562A 1978-01-10 1978-01-10 Roadway metal shaft cover frame - has collets receiving tightening screws which connect the cover frame in vertically adjustable manner to shaft concrete frame Granted FR2414096A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7800562A FR2414096A1 (en) 1978-01-10 1978-01-10 Roadway metal shaft cover frame - has collets receiving tightening screws which connect the cover frame in vertically adjustable manner to shaft concrete frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800562A FR2414096A1 (en) 1978-01-10 1978-01-10 Roadway metal shaft cover frame - has collets receiving tightening screws which connect the cover frame in vertically adjustable manner to shaft concrete frame

Publications (2)

Publication Number Publication Date
FR2414096A1 true FR2414096A1 (en) 1979-08-03
FR2414096B1 FR2414096B1 (en) 1982-10-29

Family

ID=9203260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800562A Granted FR2414096A1 (en) 1978-01-10 1978-01-10 Roadway metal shaft cover frame - has collets receiving tightening screws which connect the cover frame in vertically adjustable manner to shaft concrete frame

Country Status (1)

Country Link
FR (1) FR2414096A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263579A (en) * 1963-01-02 1966-08-02 John P Dorris Ring and cover construction for underground vaults
CH435135A (en) * 1965-09-22 1967-04-30 Gubser Emil Manhole cover
US3408778A (en) * 1966-03-08 1968-11-05 Castings & Forgings Pty Ltd Inspection hole closure assembly
US3773428A (en) * 1971-03-12 1973-11-20 Nat Utility Prod Co Adjustable manhole cover support
DE2350850A1 (en) * 1973-10-10 1975-04-30 Karl Bergweiler Height compensating element for manhole covers - consists of two metal rings and jacking bolts for adjusting level of cover

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263579A (en) * 1963-01-02 1966-08-02 John P Dorris Ring and cover construction for underground vaults
CH435135A (en) * 1965-09-22 1967-04-30 Gubser Emil Manhole cover
US3408778A (en) * 1966-03-08 1968-11-05 Castings & Forgings Pty Ltd Inspection hole closure assembly
US3773428A (en) * 1971-03-12 1973-11-20 Nat Utility Prod Co Adjustable manhole cover support
DE2350850A1 (en) * 1973-10-10 1975-04-30 Karl Bergweiler Height compensating element for manhole covers - consists of two metal rings and jacking bolts for adjusting level of cover

Also Published As

Publication number Publication date
FR2414096B1 (en) 1982-10-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse