GB1271374A - Improvements relating to anchor bolts and methods of installing same - Google Patents

Improvements relating to anchor bolts and methods of installing same

Info

Publication number
GB1271374A
GB1271374A GB865669A GB865669A GB1271374A GB 1271374 A GB1271374 A GB 1271374A GB 865669 A GB865669 A GB 865669A GB 865669 A GB865669 A GB 865669A GB 1271374 A GB1271374 A GB 1271374A
Authority
GB
United Kingdom
Prior art keywords
bolt
substances
bore
screw
shank
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
GB865669A
Inventor
Emlyn David Davies
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB865669A priority Critical patent/GB1271374A/en
Priority to DE19712111782 priority patent/DE2111782A1/en
Priority to AU26454/71A priority patent/AU464620B2/en
Priority to BE764965A priority patent/BE764965A/en
Priority to FR7110985A priority patent/FR2130998A5/fr
Publication of GB1271374A publication Critical patent/GB1271374A/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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • 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
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • 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
    • F16B13/14—Non-metallic plugs or sleeves; Use of liquid, loose solid or kneadable material therefor
    • F16B13/141—Fixing plugs in holes by the use of settable material

Abstract

1,271,374. Drills. IMPERIAL CHEMICAL INDUSTRIES. 27 April, 1970 [18 Feb., 1969], No. 8656/69. Heading B3C. [Also in Division F2] An anchor bolt comprises an end portion 12 of rectangular cross-section, twisted to form a left-handed archimedean screw and having a cutting edge 16: The bolt also has a shank 11 and a threaded portion 13 at its other end to receive a nut securing a pressure plate in position once the bolt has been secured in a bore. For example, for securing the roof of a mine a cartridge of mixable and settable substances having been inserted in the bore, the bolt is rotated and forced axially into the bore the cutting edge rupturing the cartridge and the screw mixing them together, whereafter the substances set to secure the bolt in position. The screw may be slotted to provide additional keying for the hardened substances and a washer 17 is secured in position to prevent the substances from becoming displaced along the shank.
GB865669A 1969-02-18 1969-02-18 Improvements relating to anchor bolts and methods of installing same Expired GB1271374A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB865669A GB1271374A (en) 1969-02-18 1969-02-18 Improvements relating to anchor bolts and methods of installing same
DE19712111782 DE2111782A1 (en) 1969-02-18 1971-03-11 Anchor bolts and procedures for their installation
AU26454/71A AU464620B2 (en) 1969-02-18 1971-03-12 Improvements relating to anchor bolts and methods of installing same
BE764965A BE764965A (en) 1969-02-18 1971-03-29 IMPROVEMENTS TO ANCHOR BOLTS AND METHOD FOR INSTALLING THEM.
FR7110985A FR2130998A5 (en) 1969-02-18 1971-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB865669A GB1271374A (en) 1969-02-18 1969-02-18 Improvements relating to anchor bolts and methods of installing same

Publications (1)

Publication Number Publication Date
GB1271374A true GB1271374A (en) 1972-04-19

Family

ID=9856700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB865669A Expired GB1271374A (en) 1969-02-18 1969-02-18 Improvements relating to anchor bolts and methods of installing same

Country Status (5)

Country Link
AU (1) AU464620B2 (en)
BE (1) BE764965A (en)
DE (1) DE2111782A1 (en)
FR (1) FR2130998A5 (en)
GB (1) GB1271374A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250330A (en) * 1990-09-03 1992-06-03 Tag Ind Fasteners Ltd "Anchor for setting in concrete"
GB2434626A (en) * 2006-01-31 2007-08-01 Raytheon Utd Inc Rock bolt with modified tip geometry
WO2011113131A1 (en) * 2010-03-19 2011-09-22 Dywidag-Systems International Canada Ltd. A yielding spiral bolt appendage for a rock bolt

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU630660B2 (en) * 1990-02-05 1992-11-05 Theodore Daniel Swemmer Rock anchor
GB9008573D0 (en) * 1990-04-17 1990-06-13 Rawplug Company The Limited Anchoring system
DE19925109C1 (en) * 1999-06-01 2000-06-21 Max Aicher Method for producing point on anchor bar of steel for rock and tunnel structure involves steel bar separated and point formed at dividing point, bar being heated at predetermined point of its length and tractive force applied

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250330A (en) * 1990-09-03 1992-06-03 Tag Ind Fasteners Ltd "Anchor for setting in concrete"
GB2250330B (en) * 1990-09-03 1993-12-01 Tag Ind Fasteners Ltd Anchor means
GB2434626A (en) * 2006-01-31 2007-08-01 Raytheon Utd Inc Rock bolt with modified tip geometry
WO2011113131A1 (en) * 2010-03-19 2011-09-22 Dywidag-Systems International Canada Ltd. A yielding spiral bolt appendage for a rock bolt
US20130004245A1 (en) * 2010-03-19 2013-01-03 Amir Gharbani Yielding Spiral Bolt Appendage for a Rock Bolt
AU2010348888A8 (en) * 2010-03-19 2013-12-19 Dywidag-Systems International Canada Ltd. A yielding spiral bolt appendage for a rock bolt
AU2010348888B2 (en) * 2010-03-19 2014-01-09 Dywidag-Systems International Canada Ltd. A yielding spiral bolt appendage for a rock bolt

Also Published As

Publication number Publication date
AU2645471A (en) 1972-09-14
AU464620B2 (en) 1975-08-18
FR2130998A5 (en) 1972-11-10
BE764965A (en) 1971-09-29
DE2111782A1 (en) 1972-09-28

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