FR1131458A - Constant sealing device - Google Patents
Constant sealing deviceInfo
- 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
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)
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)
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 |
-
1955
- 1955-02-23 FR FR1131458D patent/FR1131458A/en not_active Expired
Cited By (4)
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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