[go: up one dir, main page]

FR782303A - deformable extensible prop, with progressive resistance - Google Patents

deformable extensible prop, with progressive resistance

Info

Publication number
FR782303A
FR782303A FR782303DA FR782303A FR 782303 A FR782303 A FR 782303A FR 782303D A FR782303D A FR 782303DA FR 782303 A FR782303 A FR 782303A
Authority
FR
France
Prior art keywords
progressive resistance
deformable
extensible prop
prop
deformable extensible
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
Clement Lucien
Chabert Charles
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 FR782303A publication Critical patent/FR782303A/en
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
    • E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
FR782303D 1934-12-05 1934-12-05 deformable extensible prop, with progressive resistance Expired FR782303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR782303T 1934-12-05

Publications (1)

Publication Number Publication Date
FR782303A true FR782303A (en) 1935-06-03

Family

ID=9211574

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782303D Expired FR782303A (en) 1934-12-05 1934-12-05 deformable extensible prop, with progressive resistance

Country Status (1)

Country Link
FR (1) FR782303A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE964136C (en) * 1952-07-01 1957-05-16 Helmut Heese Resilient pit stamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE964136C (en) * 1952-07-01 1957-05-16 Helmut Heese Resilient pit stamp

Similar Documents

Publication Publication Date Title
FR45258E (en) Repeating Dromo-firecracker
CH187151A (en) Percussion rocket.
FR782303A (en) deformable extensible prop, with progressive resistance
CH175272A (en) Wooden construction element.
CH182790A (en) Piston with piston ring.
CH180836A (en) Non-slip hardware.
FR734798A (en) extendable extension ladder, with combinations
FR772400A (en) double folding ladder
FR774984A (en) Drafting table, individual, with ball joint
FR798138A (en) tubular scaffolding
FR786600A (en) Adjustable resistance combined with a switch
FR770049A (en) Tubular stylograph pen with reservoir
ES2259Y (en) Extendable wristband.
DK53859C (en) Ladder.
FR776036A (en) Folding cabinet
DK54437C (en) Daase with Kippelaag.
FR776053A (en) X-ray tube with full protection
CH189375A (en) Foldable stepladder.
FR789858A (en) Radio-receiver with variable selectivity
DK46720C (en) Freestanding ladder that can be used as an extendable ladder.
ES3127Y (en) Screen perfected.
FR784825A (en) ladder
CH181369A (en) Tubular base.
FR794473A (en) Sliding window with balanced weight
DK52693C (en) Discharge tube with variable Grip.