ES176294A1 - Peón o aparato de soporte tubular telescópico, perfeccionado - Google Patents

Peón o aparato de soporte tubular telescópico, perfeccionado

Info

Publication number
ES176294A1
ES176294A1 ES176294A ES176294A ES176294A1 ES 176294 A1 ES176294 A1 ES 176294A1 ES 176294 A ES176294 A ES 176294A ES 176294 A ES176294 A ES 176294A ES 176294 A1 ES176294 A1 ES 176294A1
Authority
ES
Spain
Prior art keywords
pawn
perfected
support apparatus
tubular support
telescopic tubular
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
ES176294A
Other languages
English (en)
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.)
SA Des Tubes De Valenciennes Et Denain
Original Assignee
SA Des Tubes De Valenciennes Et Denain
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 SA Des Tubes De Valenciennes Et Denain filed Critical SA Des Tubes De Valenciennes Et Denain
Publication of ES176294A1 publication Critical patent/ES176294A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/066—Shores or struts; Chocks telescopic with parts held together by positive means by a wedge
    • 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
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
    • 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

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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
ES176294A 1945-06-08 1946-12-18 Peón o aparato de soporte tubular telescópico, perfeccionado Expired ES176294A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR918863T 1945-06-08

Publications (1)

Publication Number Publication Date
ES176294A1 true ES176294A1 (es) 1947-02-16

Family

ID=9424733

Family Applications (1)

Application Number Title Priority Date Filing Date
ES176294A Expired ES176294A1 (es) 1945-06-08 1946-12-18 Peón o aparato de soporte tubular telescópico, perfeccionado

Country Status (5)

Country Link
US (1) US2450374A (es)
BE (1) BE467589A (es)
ES (1) ES176294A1 (es)
FR (1) FR918863A (es)
GB (1) GB638743A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522336A (en) * 1946-10-05 1950-09-12 Anderson Nils Erland Stepladder
US2747828A (en) * 1950-04-18 1956-05-29 Becorit Grubenausbau Gmbh Mine post
FR1171313A (fr) * 1956-02-14 1959-01-23 Procédé de construction par assemblage de pièces en métal ou en matières plastiques et construction démontable à réaliser avec ce procédé
US6655877B2 (en) * 2002-04-16 2003-12-02 W. David Calhoun Yielding column

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189728648A (en) * 1897-12-04 1898-10-29 William Radford Improvements for Making Cycle and other Frame Joints without Brazing.
US2363752A (en) * 1943-05-20 1944-11-28 Dale C Scott Jack shore

Also Published As

Publication number Publication date
US2450374A (en) 1948-09-28
FR918863A (fr) 1947-02-20
GB638743A (en) 1950-06-14
BE467589A (fr) 1946-09-30

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