FR1131458A - Constant sealing device - Google Patents

Constant sealing device

Info

Publication number
FR1131458A
FR1131458A FR1131458DA FR1131458A FR 1131458 A FR1131458 A FR 1131458A FR 1131458D A FR1131458D A FR 1131458DA FR 1131458 A FR1131458 A FR 1131458A
Authority
FR
France
Prior art keywords
sealing device
constant sealing
constant
sealing
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Rene Jegou
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 filed Critical
Application granted granted Critical
Publication of FR1131458A publication Critical patent/FR1131458A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/02—Detachable closure members; Means for tightening closures
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General 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)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
FR1131458D 1955-02-23 1955-02-23 Constant sealing device Expired FR1131458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1131458T 1955-02-23

Publications (1)

Publication Number Publication Date
FR1131458A true FR1131458A (en) 1957-02-21

Family

ID=9637917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1131458D Expired FR1131458A (en) 1955-02-23 1955-02-23 Constant sealing device

Country Status (1)

Country Link
FR (1) FR1131458A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005851A1 (en) * 1978-06-01 1979-12-12 Passavant-Werke Ag Superstructure with lid usable as closing device after cleaning drainage conduits
DE3410743A1 (en) * 1984-03-23 1985-09-26 Hans 8120 Weilheim Faber Rattle protection for manhole covers
FR2606505A2 (en) * 1986-04-18 1988-05-13 Seperef Inspection chamber for outside water meter
DE3737323A1 (en) * 1987-11-04 1989-05-18 Passavant Werke Manhole cover impermeable to surface water and backwater

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005851A1 (en) * 1978-06-01 1979-12-12 Passavant-Werke Ag Superstructure with lid usable as closing device after cleaning drainage conduits
DE3410743A1 (en) * 1984-03-23 1985-09-26 Hans 8120 Weilheim Faber Rattle protection for manhole covers
FR2606505A2 (en) * 1986-04-18 1988-05-13 Seperef Inspection chamber for outside water meter
DE3737323A1 (en) * 1987-11-04 1989-05-18 Passavant Werke Manhole cover impermeable to surface water and backwater

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