GB1536674A - Fixing devices - Google Patents

Fixing devices

Info

Publication number
GB1536674A
GB1536674A GB1968975A GB1968975A GB1536674A GB 1536674 A GB1536674 A GB 1536674A GB 1968975 A GB1968975 A GB 1968975A GB 1968975 A GB1968975 A GB 1968975A GB 1536674 A GB1536674 A GB 1536674A
Authority
GB
United Kingdom
Prior art keywords
fixing devices
rock
rock bolt
gripper
displacing
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
Application number
GB1968975A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB1968975A priority Critical patent/GB1536674A/en
Publication of GB1536674A publication Critical patent/GB1536674A/en
Expired legal-status Critical Current

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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0866—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with prongs penetrating into the wall of the hole by a retractile movement of a threaded member

Abstract

1536674 Rock bolt NATIONAL RESEARCH DEVELOPMENT CORP 6 Aug 1976 [9 May 1975] 19689/75 Heading F2H A rock bolt 10 comprises a threaded rod 12 having gripper-elements 14 and drive members 16, 18 for displacing each element from the position shown to an inclined position in which the material round the bore is penetrated and gripped thereby. The device may also be used in materials other than rock, e.g. cohesive soils such as clay.
GB1968975A 1976-08-06 1976-08-06 Fixing devices Expired GB1536674A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1968975A GB1536674A (en) 1976-08-06 1976-08-06 Fixing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1968975A GB1536674A (en) 1976-08-06 1976-08-06 Fixing devices

Publications (1)

Publication Number Publication Date
GB1536674A true GB1536674A (en) 1978-12-20

Family

ID=10133567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1968975A Expired GB1536674A (en) 1976-08-06 1976-08-06 Fixing devices

Country Status (1)

Country Link
GB (1) GB1536674A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940514A1 (en) * 1978-10-06 1980-04-17 Sanchez Velasco Vicente SYSTEM FOR ANCHORING FIXING ELEMENTS ON OR IN COMPLETED CONSTRUCTIONS
GB2131906A (en) * 1982-12-14 1984-06-27 Hilti Ag Expansible dowel
US5944466A (en) * 1995-06-19 1999-08-31 Pinnacle Innovations Cantilever fastener assembly
US6007285A (en) * 1995-06-19 1999-12-28 Pinnacle Innovations Cantilever fastener assembly

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940514A1 (en) * 1978-10-06 1980-04-17 Sanchez Velasco Vicente SYSTEM FOR ANCHORING FIXING ELEMENTS ON OR IN COMPLETED CONSTRUCTIONS
GB2131906A (en) * 1982-12-14 1984-06-27 Hilti Ag Expansible dowel
US5944466A (en) * 1995-06-19 1999-08-31 Pinnacle Innovations Cantilever fastener assembly
US6007285A (en) * 1995-06-19 1999-12-28 Pinnacle Innovations Cantilever fastener assembly
EP1019640A1 (en) * 1997-09-29 2000-07-19 Pinnacle Innovations Inc. Cantilever fastener assembly
EP1019640A4 (en) * 1997-09-29 2003-04-23 Pinnacle Innovations Inc Cantilever fastener assembly

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee