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FR1082776A - Improvements to screwdrivers and bolters - Google Patents

Improvements to screwdrivers and bolters

Info

Publication number
FR1082776A
FR1082776A FR1082776DA FR1082776A FR 1082776 A FR1082776 A FR 1082776A FR 1082776D A FR1082776D A FR 1082776DA FR 1082776 A FR1082776 A FR 1082776A
Authority
FR
France
Prior art keywords
bolters
screwdrivers
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
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.)
ALBERT COLLET FILS D
Original Assignee
ALBERT COLLET FILS D
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 ALBERT COLLET FILS D filed Critical ALBERT COLLET FILS D
Application granted granted Critical
Publication of FR1082776A publication Critical patent/FR1082776A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
    • E01B29/28—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR1082776D 1953-05-22 1953-05-22 Improvements to screwdrivers and bolters Expired FR1082776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1082776T 1953-05-22

Publications (1)

Publication Number Publication Date
FR1082776A true FR1082776A (en) 1955-01-03

Family

ID=9610864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1082776D Expired FR1082776A (en) 1953-05-22 1953-05-22 Improvements to screwdrivers and bolters

Country Status (1)

Country Link
FR (1) FR1082776A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872835A (en) * 1957-08-06 1959-02-10 Harry W Talkington Roof bolt extractor machine
DE1087539B (en) * 1956-03-17 1960-08-18 Daimler Benz Ag Device for screwing in and screwing out bolts or bushes by means of a motor-driven screwing tool which is arranged on a slide and can be raised and lowered

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1087539B (en) * 1956-03-17 1960-08-18 Daimler Benz Ag Device for screwing in and screwing out bolts or bushes by means of a motor-driven screwing tool which is arranged on a slide and can be raised and lowered
US2872835A (en) * 1957-08-06 1959-02-10 Harry W Talkington Roof bolt extractor machine

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