FR1237223A - Universal wedge - Google Patents

Universal wedge

Info

Publication number
FR1237223A
FR1237223A FR797622A FR797622A FR1237223A FR 1237223 A FR1237223 A FR 1237223A FR 797622 A FR797622 A FR 797622A FR 797622 A FR797622 A FR 797622A FR 1237223 A FR1237223 A FR 1237223A
Authority
FR
France
Prior art keywords
universal wedge
wedge
universal
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
FR797622A
Other languages
French (fr)
Inventor
George Arthur Sellis
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 filed Critical
Priority to FR797622A priority Critical patent/FR1237223A/en
Application granted granted Critical
Publication of FR1237223A publication Critical patent/FR1237223A/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
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/14—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using wedges
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/43—Details of wedges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
FR797622A 1959-06-16 1959-06-16 Universal wedge Expired FR1237223A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR797622A FR1237223A (en) 1959-06-16 1959-06-16 Universal wedge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR797622A FR1237223A (en) 1959-06-16 1959-06-16 Universal wedge

Publications (1)

Publication Number Publication Date
FR1237223A true FR1237223A (en) 1960-07-29

Family

ID=8716089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797622A Expired FR1237223A (en) 1959-06-16 1959-06-16 Universal wedge

Country Status (1)

Country Link
FR (1) FR1237223A (en)

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