FR2435626A1 - Anchor bolt with expansible sleeve - having projections which are annealed to spread when bolt is tightened - Google Patents

Anchor bolt with expansible sleeve - having projections which are annealed to spread when bolt is tightened

Info

Publication number
FR2435626A1
FR2435626A1 FR7815630A FR7815630A FR2435626A1 FR 2435626 A1 FR2435626 A1 FR 2435626A1 FR 7815630 A FR7815630 A FR 7815630A FR 7815630 A FR7815630 A FR 7815630A FR 2435626 A1 FR2435626 A1 FR 2435626A1
Authority
FR
France
Prior art keywords
bolt
sleeve
projections
annealed
tightened
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.)
Withdrawn
Application number
FR7815630A
Other languages
French (fr)
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.)
Olin Corp
Original Assignee
Olin Corp
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 Olin Corp filed Critical Olin Corp
Priority to FR7815630A priority Critical patent/FR2435626A1/en
Publication of FR2435626A1 publication Critical patent/FR2435626A1/en
Withdrawn legal-status Critical Current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
    • F16B13/06—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 combined with expanding sleeve
    • F16B13/063—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 combined with expanding sleeve by the use of an expander
    • F16B13/065—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 combined with expanding sleeve by the use of an expander fastened by extracting the screw, nail or the like

Abstract

The anchor bolt comprises a bolt portion (4) with a conical end (3) and an intermediate smaller diameter portion which carries a two part expansible sleeve (2). The sleeve is formed with projections (5). The portion (3) and sleeve are entered into a hole in concrete or masonry and, on tightening, the portion (3) expands the sleeve to anchor the bolt in the hole. The sleeve is of material having a hardness in excess of 230 Brinell and in its manufacture the projections are annealed to have a hardness of between 100 and 230 Brinell. In consequence they flatten when the bolt is tightened and spread the load.
FR7815630A 1978-05-25 1978-05-25 Anchor bolt with expansible sleeve - having projections which are annealed to spread when bolt is tightened Withdrawn FR2435626A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7815630A FR2435626A1 (en) 1978-05-25 1978-05-25 Anchor bolt with expansible sleeve - having projections which are annealed to spread when bolt is tightened

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7815630A FR2435626A1 (en) 1978-05-25 1978-05-25 Anchor bolt with expansible sleeve - having projections which are annealed to spread when bolt is tightened

Publications (1)

Publication Number Publication Date
FR2435626A1 true FR2435626A1 (en) 1980-04-04

Family

ID=9208699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815630A Withdrawn FR2435626A1 (en) 1978-05-25 1978-05-25 Anchor bolt with expansible sleeve - having projections which are annealed to spread when bolt is tightened

Country Status (1)

Country Link
FR (1) FR2435626A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2203178A (en) * 1930-02-20 1940-06-04 Ralph S Peirce Anchoring device
GB776249A (en) * 1953-02-11 1957-06-05 Bayliss Jones And Bayliss Ltd Improvements in or relating to means for obtaining an anchorage
GB776252A (en) * 1953-10-08 1957-06-05 Bayliss Jones & Bayliss Ltd Improvements in or relating to sleeve-like members for expansible anchor bolts
US3279304A (en) * 1965-07-07 1966-10-18 Nat Screw & Mfg Company High strength blind fastener

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2203178A (en) * 1930-02-20 1940-06-04 Ralph S Peirce Anchoring device
GB776249A (en) * 1953-02-11 1957-06-05 Bayliss Jones And Bayliss Ltd Improvements in or relating to means for obtaining an anchorage
GB776252A (en) * 1953-10-08 1957-06-05 Bayliss Jones & Bayliss Ltd Improvements in or relating to sleeve-like members for expansible anchor bolts
US3279304A (en) * 1965-07-07 1966-10-18 Nat Screw & Mfg Company High strength blind fastener

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Legal Events

Date Code Title Description
RE Withdrawal of published application