GB618715A - Improvements in or relating to stoppers for gas mains - Google Patents
Improvements in or relating to stoppers for gas mainsInfo
- Publication number
- GB618715A GB618715A GB3388946A GB3388946A GB618715A GB 618715 A GB618715 A GB 618715A GB 3388946 A GB3388946 A GB 3388946A GB 3388946 A GB3388946 A GB 3388946A GB 618715 A GB618715 A GB 618715A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- bolts
- eye
- stoppers
- relating
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/1283—Plugging pig
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Supports For Pipes And Cables (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
618,715. Stopping pipes. PASS & CO., Ltd., E., and COOKE, F. Nov. 15, 1946, No. 33889. [Class 99 (ii)] A stopper, adapted to be drawn along a gas main as the work proceeds, comprises a plain leading disc a loosely fitting the main, and a sealing disc j, the discs being connected by a pair of interengaged eye-bolts b, k, each disc having a central spigot a', f<3> frictionally engaged by a coiled spring g which houses the bolts. The sealing disc comprises an L-section rubber ring j gripped between two clamping plates f, h. A nut d is provided in the form of an eye for attachment of a haulage cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3388946A GB618715A (en) | 1946-11-15 | 1946-11-15 | Improvements in or relating to stoppers for gas mains |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3388946A GB618715A (en) | 1946-11-15 | 1946-11-15 | Improvements in or relating to stoppers for gas mains |
Publications (1)
Publication Number | Publication Date |
---|---|
GB618715A true GB618715A (en) | 1949-02-25 |
Family
ID=10358762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3388946A Expired GB618715A (en) | 1946-11-15 | 1946-11-15 | Improvements in or relating to stoppers for gas mains |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB618715A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3095844A (en) * | 1958-07-24 | 1963-07-02 | Grinnell Corp | Inert gas sealer |
DE3312958A1 (en) * | 1983-04-11 | 1984-10-11 | Industrietechnik Kalenborn Gmbh, 5461 Kalenborn | PIPE CLEANING DEVICE |
GB2185776A (en) * | 1985-08-08 | 1987-07-29 | Birchwood Products Limited | Plug with tilting head |
-
1946
- 1946-11-15 GB GB3388946A patent/GB618715A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3095844A (en) * | 1958-07-24 | 1963-07-02 | Grinnell Corp | Inert gas sealer |
DE3312958A1 (en) * | 1983-04-11 | 1984-10-11 | Industrietechnik Kalenborn Gmbh, 5461 Kalenborn | PIPE CLEANING DEVICE |
GB2185776A (en) * | 1985-08-08 | 1987-07-29 | Birchwood Products Limited | Plug with tilting head |
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