DK137582B - Closing means for manholes or similar hatches. - Google Patents
Closing means for manholes or similar hatches.Info
- Publication number
- DK137582B DK137582B DK528872A DK528872A DK137582B DK 137582 B DK137582 B DK 137582B DK 528872 A DK528872 A DK 528872A DK 528872 A DK528872 A DK 528872A DK 137582 B DK137582 B DK 137582B
- Authority
- DK
- Denmark
- Prior art keywords
- manholes
- hatches
- similar
- closing means
- closing
- Prior art date
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
- F16J13/22—Covers or similar closure members for pressure vessels in general with movement parallel to the plane of the opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/04—Cutting-off tools
-
- 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
- F16J13/16—Pivoted closures
- F16J13/18—Pivoted closures pivoted directly on the frame
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Clamps And Clips (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO397371A NO128906B (en) | 1971-10-27 | 1971-10-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK137582B true DK137582B (en) | 1978-03-28 |
DK137582C DK137582C (en) | 1978-08-21 |
Family
ID=19879964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK528872A DK137582B (en) | 1971-10-27 | 1972-10-25 | Closing means for manholes or similar hatches. |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4872953A (en) |
DE (1) | DE2252861C3 (en) |
DK (1) | DK137582B (en) |
GB (1) | GB1403444A (en) |
NO (1) | NO128906B (en) |
SE (1) | SE390711B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2421819A1 (en) * | 1978-04-07 | 1979-11-02 | Pechiney Aluminium | SELF-SEALING DEVICE FOR TRANSPORT TANK |
US6095365A (en) * | 1998-08-24 | 2000-08-01 | The Heil Company | Pivoting hatch cover assembly |
US7658570B2 (en) | 2006-10-02 | 2010-02-09 | Delaware Captial Formation, Inc. | Manhole system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1487518A (en) * | 1922-06-12 | 1924-03-18 | Pfaudler Co Inc | Manhole closure |
DE1130751B (en) * | 1956-10-01 | 1962-05-30 | Linke Hofmann Busch | Closure for containers, especially for the dome of tank cars |
DE1736398U (en) * | 1956-10-16 | 1956-12-20 | Anton Loewenkamp | SELF-ACTING LID CLOSURE. |
BE643859A (en) * | 1963-02-15 | |||
JPS4020099Y1 (en) * | 1964-03-21 | 1965-07-13 | ||
BE663843A (en) * | 1964-05-16 | 1965-09-01 |
-
1971
- 1971-10-27 NO NO397371A patent/NO128906B/no unknown
-
1972
- 1972-10-25 DK DK528872A patent/DK137582B/en unknown
- 1972-10-26 GB GB4942272A patent/GB1403444A/en not_active Expired
- 1972-10-27 SE SE1390172A patent/SE390711B/en unknown
- 1972-10-27 JP JP47107797A patent/JPS4872953A/ja active Pending
- 1972-10-27 DE DE19722252861 patent/DE2252861C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2252861B2 (en) | 1981-02-26 |
SE390711B (en) | 1977-01-17 |
JPS4872953A (en) | 1973-10-02 |
DK137582C (en) | 1978-08-21 |
NO128906B (en) | 1974-01-28 |
DE2252861C3 (en) | 1981-12-17 |
DE2252861A1 (en) | 1973-05-10 |
GB1403444A (en) | 1975-08-28 |
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