FR935536A - Detachable self-tightening collar for metal props used for supports - Google Patents

Detachable self-tightening collar for metal props used for supports

Info

Publication number
FR935536A
FR935536A FR935536DA FR935536A FR 935536 A FR935536 A FR 935536A FR 935536D A FR935536D A FR 935536DA FR 935536 A FR935536 A FR 935536A
Authority
FR
France
Prior art keywords
supports
detachable self
tightening collar
props used
metal props
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)
Inventor
Jean Barnier
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
Application granted granted Critical
Publication of FR935536A publication Critical patent/FR935536A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/08—Shores or struts; Chocks telescopic with parts held relatively to each other by friction or gripping
    • 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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
    • 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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
FR935536D 1946-10-31 1946-10-31 Detachable self-tightening collar for metal props used for supports Expired FR935536A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR935536T 1946-10-31
FR55181T 1946-12-28
FR62410T 1951-01-06
FR68331T 1955-10-25
FR7424A FR75480E (en) 1946-10-31 1958-04-04 Detachable self-tightening collar for metal props used for supports

Publications (1)

Publication Number Publication Date
FR935536A true FR935536A (en) 1948-06-22

Family

ID=38681687

Family Applications (5)

Application Number Title Priority Date Filing Date
FR935536D Expired FR935536A (en) 1946-10-31 1946-10-31 Detachable self-tightening collar for metal props used for supports
FR55181D Expired FR55181E (en) 1946-10-31 1946-12-28 Detachable self-tightening collar for metal props used for supports
FR62410D Expired FR62410E (en) 1946-10-31 1951-01-06 Detachable self-tightening collar for metal props used for supports
FR68331D Expired FR68331E (en) 1946-10-31 1955-10-25 Detachable self-tightening collar for metal props used for supports
FR7424A Expired FR75480E (en) 1946-10-31 1958-04-04 Detachable self-tightening collar for metal props used for supports

Family Applications After (4)

Application Number Title Priority Date Filing Date
FR55181D Expired FR55181E (en) 1946-10-31 1946-12-28 Detachable self-tightening collar for metal props used for supports
FR62410D Expired FR62410E (en) 1946-10-31 1951-01-06 Detachable self-tightening collar for metal props used for supports
FR68331D Expired FR68331E (en) 1946-10-31 1955-10-25 Detachable self-tightening collar for metal props used for supports
FR7424A Expired FR75480E (en) 1946-10-31 1958-04-04 Detachable self-tightening collar for metal props used for supports

Country Status (2)

Country Link
FR (5) FR935536A (en)
GB (1) GB900982A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973437C (en) * 1951-03-22 1960-02-18 Gerlach Karl Setting device for pit stamp
DE1114456B (en) * 1957-07-30 1961-10-05 Mastabar Mining Equipment Comp Hydraulic pit ram
US20190186158A1 (en) * 2017-12-15 2019-06-20 Jonathan J. Melic Safety fence assembly

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373988A (en) * 1965-09-22 1968-03-19 Michael J. Mckelvey Removable beam seat
US4161310A (en) * 1978-06-22 1979-07-17 Parker Merrill D Metal fence post puller
US4455005A (en) * 1982-11-26 1984-06-19 Quick-Set, Incorporated Locking tripod leg
DE3329983C2 (en) * 1983-08-19 1985-06-13 Th. Kauffmann GmbH Sektionaltor-Kauffmann, 5000 Köln Clamping device for an object guided along a profile rail

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973437C (en) * 1951-03-22 1960-02-18 Gerlach Karl Setting device for pit stamp
DE1114456B (en) * 1957-07-30 1961-10-05 Mastabar Mining Equipment Comp Hydraulic pit ram
US20190186158A1 (en) * 2017-12-15 2019-06-20 Jonathan J. Melic Safety fence assembly
US10982454B2 (en) * 2017-12-15 2021-04-20 Jonathan J. Melic Safety fence assembly

Also Published As

Publication number Publication date
FR55181E (en) 1951-10-02
FR75480E (en) 1961-06-30
FR68331E (en) 1958-04-29
GB900982A (en) 1962-07-11
FR62410E (en) 1955-06-14

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