GB778387A - Improvements relating to clamping couplings - Google Patents
Improvements relating to clamping couplingsInfo
- Publication number
- GB778387A GB778387A GB22654A GB22654A GB778387A GB 778387 A GB778387 A GB 778387A GB 22654 A GB22654 A GB 22654A GB 22654 A GB22654 A GB 22654A GB 778387 A GB778387 A GB 778387A
- Authority
- GB
- United Kingdom
- Prior art keywords
- jaws
- engage
- dissimilar
- end clamps
- prop
- 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
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
Abstract
778,387. Clamp fastenings. RAPID METAL DEVELOPMENTS, Ltd. March 21, 1955 [Jan. 5, 1954], No. 226/54. Class 44. [Also in Group X] A clamping coupling consists of a pair of pressed metal members 5 each having a dissimilar jaw 6, 7 at its respective ends, one jaw 6 having an inwardly turned hook and the other 7 being arcuate, a flat strap 12 arranged between said jaws, said members being assembled in opposed relationship and combining to form two dissimilar end clamps, and a screw-threaded clamping bolt 9, engaging registering holes 10, in said straps and adapted when tightened against one of said straps to draw said end clamps towards one another so as to clamp dissimilar articles placed between said end clamps. The holes 10 are plain and one strap has a nut 13 welded to it in alignment with its hole 10 to engage the screw thread of the bolt 9. The jaws 6 are intended to engage the end of a telescopic strut of the type described in Specification 746,083, [Group X], to connect the strut with a prop 2 for strutting trench or culvert linings. The jaws 8 engage the prop 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22654A GB778387A (en) | 1954-01-05 | 1954-01-05 | Improvements relating to clamping couplings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22654A GB778387A (en) | 1954-01-05 | 1954-01-05 | Improvements relating to clamping couplings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB778387A true GB778387A (en) | 1957-07-03 |
Family
ID=9700629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22654A Expired GB778387A (en) | 1954-01-05 | 1954-01-05 | Improvements relating to clamping couplings |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB778387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3383080A (en) * | 1966-02-02 | 1968-05-14 | James W. Frisbie | Overhang bracket |
| GB2225361A (en) * | 1988-10-11 | 1990-05-30 | Leada Acrow | Soldier connections for structural joints |
| GB2272921A (en) * | 1992-11-26 | 1994-06-01 | Mechplant Limited | Supporting an excavation |
-
1954
- 1954-01-05 GB GB22654A patent/GB778387A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3383080A (en) * | 1966-02-02 | 1968-05-14 | James W. Frisbie | Overhang bracket |
| GB2225361A (en) * | 1988-10-11 | 1990-05-30 | Leada Acrow | Soldier connections for structural joints |
| GB2225361B (en) * | 1988-10-11 | 1992-10-21 | Leada Acrow Ltd | Improvements in and relating to soldier connectors |
| GB2272921A (en) * | 1992-11-26 | 1994-06-01 | Mechplant Limited | Supporting an excavation |
| GB2272921B (en) * | 1992-11-26 | 1996-07-24 | Mechplant Limited | Supporting an excavation |
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