BE601152A - Advanced props or jacks - Google Patents

Advanced props or jacks

Info

Publication number
BE601152A
BE601152A BE601152A BE601152A BE601152A BE 601152 A BE601152 A BE 601152A BE 601152 A BE601152 A BE 601152A BE 601152 A BE601152 A BE 601152A BE 601152 A BE601152 A BE 601152A
Authority
BE
Belgium
Prior art keywords
props
jacks
advanced
advanced props
Prior art date
Application number
BE601152A
Other languages
French (fr)
Original Assignee
Acrow Eng Ltd
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 Acrow Eng Ltd filed Critical Acrow Eng Ltd
Publication of BE601152A publication Critical patent/BE601152A/en

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
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S92/00—Expansible chamber devices
    • Y10S92/04—Lost motion

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)
  • Actuator (AREA)
  • Reciprocating Pumps (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
BE601152A 1960-03-14 1961-03-09 Advanced props or jacks BE601152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9017/60A GB980822A (en) 1960-03-14 1960-03-14 Improvements in and relating to props or jacks

Publications (1)

Publication Number Publication Date
BE601152A true BE601152A (en) 1961-09-11

Family

ID=9863759

Family Applications (1)

Application Number Title Priority Date Filing Date
BE601152A BE601152A (en) 1960-03-14 1961-03-09 Advanced props or jacks

Country Status (4)

Country Link
US (1) US3046949A (en)
BE (1) BE601152A (en)
DE (1) DE1134047B (en)
GB (1) GB980822A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8223222V0 (en) * 1982-10-18 1982-10-18 Giovanni Trevisan GUIDE DEVICE FOR PISTONS OF FLUID DYNAMIC ACTUATORS, PARTICULARLY OF THE ROTATING TYPE WITH TWO COAXIAL PISTONS, EQUIPPED WITH RACKS.
US5085131A (en) * 1990-10-02 1992-02-04 Prime Tube, Inc. Hydraulic cylinder for automotive steering systems and the like
GB2357806A (en) * 1999-12-02 2001-07-04 Trevor John Honour Load bearing props
DE202013005355U1 (en) * 2013-06-14 2014-09-15 Bümach Engineering International B.V. Piston unit of a plunger cylinder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661721A (en) * 1951-11-08 1953-12-08 Ferguson Ltd Harry Hydraulic power actuator
US2821264A (en) * 1954-12-30 1958-01-28 Yale & Towne Mfg Co Ram construction for lift truck
US2928379A (en) * 1957-02-04 1960-03-15 Encarnacion R Preciado Hydraulic lift apparatus
DE1061274B (en) * 1958-03-08 1959-07-16 Rheinstahl Gmbh Wanheim Sealing for press cylinders, especially for hydraulic pit punches of large diameter

Also Published As

Publication number Publication date
US3046949A (en) 1962-07-31
DE1134047B (en) 1962-08-02
GB980822A (en) 1965-01-20

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