GB1505795A - Expansion rock bolts - Google Patents

Expansion rock bolts

Info

Publication number
GB1505795A
GB1505795A GB26649/76A GB2664976A GB1505795A GB 1505795 A GB1505795 A GB 1505795A GB 26649/76 A GB26649/76 A GB 26649/76A GB 2664976 A GB2664976 A GB 2664976A GB 1505795 A GB1505795 A GB 1505795A
Authority
GB
United Kingdom
Prior art keywords
expansion rock
rock bolts
anker
june
expansion
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
GB26649/76A
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.)
GD ANKER GEBIRGSDUBEL ANKER GM
Original Assignee
GD ANKER GEBIRGSDUBEL ANKER GM
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 GD ANKER GEBIRGSDUBEL ANKER GM filed Critical GD ANKER GEBIRGSDUBEL ANKER GM
Publication of GB1505795A publication Critical patent/GB1505795A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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

Abstract

1505795 Expansion rock bolt GD-ANKER GEBIRGS-DUBEL-ANKER GmbH & CO KG 25 June 1976 [26 June 1975] 26649/76 Heading F2H An expansion rock bolt comprising a rod 1 having an expander head 3 and expansible segmented shell 9 provided with teeth 14 arranged above recesses 15 is characterized in that each tooth consists of two sections which form an obtuse angle on their outer surface, and the side walls of each tooth do not contact the shell.
GB26649/76A 1975-06-26 1976-06-25 Expansion rock bolts Expired GB1505795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT492275A AT335504B (en) 1975-06-26 1975-06-26 SPREAD SLEEVE ANCHOR

Publications (1)

Publication Number Publication Date
GB1505795A true GB1505795A (en) 1978-03-30

Family

ID=3569913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26649/76A Expired GB1505795A (en) 1975-06-26 1976-06-25 Expansion rock bolts

Country Status (12)

Country Link
JP (1) JPS524608A (en)
AT (1) AT335504B (en)
BR (1) BR7508104A (en)
CA (1) CA1034803A (en)
CH (1) CH594807A5 (en)
DE (1) DE2614565C2 (en)
GB (1) GB1505795A (en)
GR (1) GR59894B (en)
IT (1) IT1063529B (en)
NO (1) NO143357C (en)
SE (1) SE7607143L (en)
YU (1) YU134776A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653209A (en) * 2015-01-23 2015-05-27 山东大学 Multistage resistance-increasing anchor rod and construction method
CN105421867A (en) * 2015-12-14 2016-03-23 江苏建筑职业技术学院 Loop ground anchor device and installation method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT354964B (en) * 1978-07-07 1980-02-11 Gd Anker Gmbh & Co Kg SPREADING SLEEVE FOR A SPREADING SLEEVE ANCHOR
JPS5685708U (en) * 1979-12-05 1981-07-09
DE4219984A1 (en) * 1992-06-19 1993-12-23 Fischer Artur Werke Gmbh Expansion anchor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT249727B (en) * 1965-01-25 1966-10-10 Gd Anker Gmbh & Co Kg Expansion sleeve anchor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653209A (en) * 2015-01-23 2015-05-27 山东大学 Multistage resistance-increasing anchor rod and construction method
CN105421867A (en) * 2015-12-14 2016-03-23 江苏建筑职业技术学院 Loop ground anchor device and installation method

Also Published As

Publication number Publication date
NO143357C (en) 1981-01-21
CA1034803A (en) 1978-07-18
AT335504B (en) 1977-03-10
BR7508104A (en) 1977-02-01
DE2614565C2 (en) 1985-01-31
GR59894B (en) 1978-03-15
NO143357B (en) 1980-10-13
DE2614565A1 (en) 1977-01-13
JPS5435407B2 (en) 1979-11-02
ATA492275A (en) 1976-07-15
IT1063529B (en) 1985-02-11
JPS524608A (en) 1977-01-13
CH594807A5 (en) 1978-01-31
YU134776A (en) 1982-02-28
NO762214L (en) 1976-12-28
SE7607143L (en) 1976-12-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee