GB223085A - Improvements in or relating to hand hole covers for hot water tanks, or the like - Google Patents
Improvements in or relating to hand hole covers for hot water tanks, or the likeInfo
- Publication number
- GB223085A GB223085A GB3134623A GB3134623A GB223085A GB 223085 A GB223085 A GB 223085A GB 3134623 A GB3134623 A GB 3134623A GB 3134623 A GB3134623 A GB 3134623A GB 223085 A GB223085 A GB 223085A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- hot water
- water tanks
- hand hole
- hole covers
- 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
- F16J13/04—Detachable closure members; Means for tightening closures attached with a bridge member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
223,085. Sangster, J. S., and Baldwins, Ltd. Dec. 13, 1923. Handhole doors.-In a handhole door of the kind comprising a domed cover plate a and bridge plate e with their concave sides facing, and secured by a central bolt d, the cover plate having a circumferential corrugation a<1> engaging a similar corrugation b<1> at the edge of the opening, the bridge plate e engages the corrugation b<1> and is centred thereby.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3134623A GB223085A (en) | 1923-12-13 | 1923-12-13 | Improvements in or relating to hand hole covers for hot water tanks, or the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3134623A GB223085A (en) | 1923-12-13 | 1923-12-13 | Improvements in or relating to hand hole covers for hot water tanks, or the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB223085A true GB223085A (en) | 1924-10-16 |
Family
ID=10321746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3134623A Expired GB223085A (en) | 1923-12-13 | 1923-12-13 | Improvements in or relating to hand hole covers for hot water tanks, or the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB223085A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2522741A (en) * | 1945-12-08 | 1950-09-19 | Thomas & Betts Corp | Box hole closure |
DE1148825B (en) * | 1958-10-29 | 1963-05-16 | Telemecanique Electrique | Device for fastening a sheet metal cover including a sealing strip to a sheet metal housing |
DE1157043B (en) * | 1957-07-27 | 1963-11-07 | Alcan Aluminiumwerke Ges Mit B | Lid closure for oval container openings |
-
1923
- 1923-12-13 GB GB3134623A patent/GB223085A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2522741A (en) * | 1945-12-08 | 1950-09-19 | Thomas & Betts Corp | Box hole closure |
DE1157043B (en) * | 1957-07-27 | 1963-11-07 | Alcan Aluminiumwerke Ges Mit B | Lid closure for oval container openings |
DE1148825B (en) * | 1958-10-29 | 1963-05-16 | Telemecanique Electrique | Device for fastening a sheet metal cover including a sealing strip to a sheet metal housing |
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