GB775040A - Anchor bolt - Google Patents
Anchor boltInfo
- Publication number
- GB775040A GB775040A GB3534354A GB3534354A GB775040A GB 775040 A GB775040 A GB 775040A GB 3534354 A GB3534354 A GB 3534354A GB 3534354 A GB3534354 A GB 3534354A GB 775040 A GB775040 A GB 775040A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bolt
- assembly
- wedge
- washer
- sleeve
- 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
- 229910000760 Hardened steel Inorganic materials 0.000 abstract 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/008—Anchoring or tensioning means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Dowels (AREA)
Abstract
775,040. Anchor-bolts. MARUSIK, F. Dec. 7, 1954, No. 35343/54. Class 89 (1). An anchor-bolt assembly comprises a bolt 1 on which are U-section wedges 4, 5, wedge 4 being secured, e.g. by welding, to the bolt-head 2 and wedge 5 abutting a flange 18 on the end of a sleeve 6 surrounding the bolt. A tongue 7 is fixed in a recess in wedge 5 and is welded to sleeve 6, the free end extending out of the bore 19 containing the assembly to prevent rotation of the bolt and wedges as nut 11 is tightened to secure the assembly in the bore. A distance-sleeve 8 may be required, and the outer end enters a hole in a washer 9 to abut a washer 10 through which the bolt passes. Each washer has a notch for the tongue and, after tightening the assembly, sleeve 8 and washer 9 may be removed for subsequent use with another assembly. The wedges may be of differing hardness, e.g. wedge 4 may be of hardened steel and wedge 5 of mild steel, to facilitate removal and re-use of the assembly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3534354A GB775040A (en) | 1954-12-07 | 1954-12-07 | Anchor bolt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3534354A GB775040A (en) | 1954-12-07 | 1954-12-07 | Anchor bolt |
Publications (1)
Publication Number | Publication Date |
---|---|
GB775040A true GB775040A (en) | 1957-05-15 |
Family
ID=10376672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3534354A Expired GB775040A (en) | 1954-12-07 | 1954-12-07 | Anchor bolt |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB775040A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3117483A (en) * | 1959-10-21 | 1964-01-14 | John A Brown | Self anchoring bolt having line contact between the male and female wedge members |
GB2138528A (en) * | 1983-04-16 | 1984-10-24 | Perard Torque Tension Ltd | Rock Bolt Assembly |
GB2181511A (en) * | 1985-09-06 | 1987-04-23 | Pilgrim Eng Dev | Expansion bolt for bolted couplings |
GB2223556A (en) * | 1988-09-29 | 1990-04-11 | Hubert Goldon Child | Stabilising cavity walls by wall ties |
WO2010104460A1 (en) * | 2009-03-10 | 2010-09-16 | Sandvik Intellectual Property Ab | Friction bolt |
-
1954
- 1954-12-07 GB GB3534354A patent/GB775040A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3117483A (en) * | 1959-10-21 | 1964-01-14 | John A Brown | Self anchoring bolt having line contact between the male and female wedge members |
GB2138528A (en) * | 1983-04-16 | 1984-10-24 | Perard Torque Tension Ltd | Rock Bolt Assembly |
GB2181511A (en) * | 1985-09-06 | 1987-04-23 | Pilgrim Eng Dev | Expansion bolt for bolted couplings |
GB2223556A (en) * | 1988-09-29 | 1990-04-11 | Hubert Goldon Child | Stabilising cavity walls by wall ties |
WO2010104460A1 (en) * | 2009-03-10 | 2010-09-16 | Sandvik Intellectual Property Ab | Friction bolt |
US8714883B2 (en) | 2009-03-10 | 2014-05-06 | Sandvik Intellectual Property Ab | Friction bolt |
EA021739B1 (en) * | 2009-03-10 | 2015-08-31 | Сандвик Интеллекчуал Проперти Аб | Friction bolt |
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