GB1490776A - Manhole assemblies - Google Patents
Manhole assembliesInfo
- Publication number
- GB1490776A GB1490776A GB10947/75A GB1094775A GB1490776A GB 1490776 A GB1490776 A GB 1490776A GB 10947/75 A GB10947/75 A GB 10947/75A GB 1094775 A GB1094775 A GB 1094775A GB 1490776 A GB1490776 A GB 1490776A
- Authority
- GB
- United Kingdom
- Prior art keywords
- locking
- cover
- frame
- lug
- box
- 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
-
- 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
- E02D29/1427—Locking devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/20—Clamps
- Y10T292/221—Screw and nut
Landscapes
- 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)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7417871A FR2272230B1 (US07922777-20110412-C00004.png) | 1974-05-22 | 1974-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1490776A true GB1490776A (en) | 1977-11-02 |
Family
ID=9139170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10947/75A Expired GB1490776A (en) | 1974-05-22 | 1975-03-17 | Manhole assemblies |
Country Status (8)
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2481337A1 (fr) * | 1980-04-25 | 1981-10-30 | Dumortier Robert | Moyens de blocage pour dispositif de verrouillage de tampon de regard de chaussee |
EP0039301B1 (fr) * | 1980-04-25 | 1983-07-06 | Robert Dumortier | Moyens de blocage pour dispositif de verrouillage de tampon de regard de chaussée |
FR2685715B1 (fr) * | 1991-12-31 | 1996-08-23 | Norinco | Dispositif perfectionne de verrouillage d'un tampon sur un cadre, pour regard de chaussee ou analogue. |
FR2780996B1 (fr) * | 1998-07-10 | 2000-08-11 | Norinco | Dispositif de verrouillage et deverrouillage avec cle d'un tampon sur un cadre |
FR2908140B1 (fr) * | 2006-11-06 | 2009-02-06 | Norinco Soc Par Actions Simpli | Dispositif de fermeture pour regard de chaussee a cadre de support d'un panneau monte articule sur le cadre par des moyens d'articulation indemontables |
US9184573B1 (en) * | 2012-02-28 | 2015-11-10 | Mesquite Fabrication, Inc. | Enclosure locking system |
CN103205985A (zh) * | 2012-12-24 | 2013-07-17 | 沈阳嘉润市政工程有限公司 | 机械加工静音井盖 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1384712A (en) * | 1921-07-12 | Ma whole | ||
US2663268A (en) * | 1952-12-30 | 1953-12-22 | Gen Electric | Hatchway closure |
US2915330A (en) * | 1955-12-27 | 1959-12-01 | Pryor Machine Company Inc | Barrel band |
US3394836A (en) * | 1966-01-28 | 1968-07-30 | George L Fowler | Fill tube cap |
US3508363A (en) * | 1968-06-19 | 1970-04-28 | Mc Graw Edison Co | Tamper-proof locking assembly for underground electrical vaults |
-
1974
- 1974-05-22 FR FR7417871A patent/FR2272230B1/fr not_active Expired
-
1975
- 1975-01-15 DE DE2501434A patent/DE2501434C3/de not_active Expired
- 1975-02-26 NL NLAANVRAGE7502289,A patent/NL177616C/xx not_active IP Right Cessation
- 1975-03-17 GB GB10947/75A patent/GB1490776A/en not_active Expired
- 1975-03-26 US US05/562,156 patent/US3994520A/en not_active Expired - Lifetime
- 1975-05-15 IT IT68247/75A patent/IT1032892B/it active
- 1975-05-21 BE BE156566A patent/BE829324A/xx not_active IP Right Cessation
- 1975-05-22 BR BR4080/75A patent/BR7503189A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
DE2501434B2 (de) | 1978-07-13 |
BR7503189A (pt) | 1976-04-20 |
IT1032892B (it) | 1979-06-20 |
NL177616B (nl) | 1985-05-17 |
DE2501434C3 (de) | 1979-03-15 |
FR2272230B1 (US07922777-20110412-C00004.png) | 1978-08-04 |
NL7502289A (nl) | 1975-11-25 |
US3994520A (en) | 1976-11-30 |
DE2501434A1 (de) | 1975-11-27 |
NL177616C (nl) | 1985-10-16 |
BE829324A (fr) | 1975-11-21 |
FR2272230A1 (US07922777-20110412-C00004.png) | 1975-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |