FR2030441A1 - - Google Patents

Info

Publication number
FR2030441A1
FR2030441A1 FR7003326A FR7003326A FR2030441A1 FR 2030441 A1 FR2030441 A1 FR 2030441A1 FR 7003326 A FR7003326 A FR 7003326A FR 7003326 A FR7003326 A FR 7003326A FR 2030441 A1 FR2030441 A1 FR 2030441A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7003326A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2030441A1 publication Critical patent/FR2030441A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/30—Constructional features with positive brakes or locks

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Jigs For Machine Tools (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
FR7003326A 1969-02-21 1970-01-30 Withdrawn FR2030441A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE241269A SE317791B (enrdf_load_stackoverflow) 1969-02-21 1969-02-21

Publications (1)

Publication Number Publication Date
FR2030441A1 true FR2030441A1 (enrdf_load_stackoverflow) 1970-11-13

Family

ID=20259909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7003326A Withdrawn FR2030441A1 (enrdf_load_stackoverflow) 1969-02-21 1970-01-30

Country Status (6)

Country Link
JP (1) JPS5026822B1 (enrdf_load_stackoverflow)
CA (1) CA946820A (enrdf_load_stackoverflow)
DE (1) DE1961283A1 (enrdf_load_stackoverflow)
FR (1) FR2030441A1 (enrdf_load_stackoverflow)
GB (1) GB1297777A (enrdf_load_stackoverflow)
SE (1) SE317791B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2167951A1 (enrdf_load_stackoverflow) * 1972-01-12 1973-08-24 Ahlgren N
AT388418B (de) * 1984-04-24 1989-06-26 Upravlewnie Montazhu Demontazh Hydraulischer kraftmechanismus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31206E (en) * 1972-01-12 1983-04-12 Method of lowering and raising loads by means of a jack assembly and lifting element
CN1332873C (zh) * 2005-07-08 2007-08-22 花周建 防坠落穿心式液压上升和下降千斤顶
US8322687B2 (en) 2008-04-22 2012-12-04 Lift Systems, Inc. Integrated wedge lock arrangement
CN103332637B (zh) * 2013-03-06 2015-07-08 中国电力科学研究院 一种钢绞线预紧装置
CN103466501B (zh) * 2013-09-10 2015-10-28 中国核工业华兴建设有限公司 一种预应力张拉千斤顶
CN110550569B (zh) * 2019-09-03 2020-12-18 郑州大学 一种推拉式辅助支撑装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2167951A1 (enrdf_load_stackoverflow) * 1972-01-12 1973-08-24 Ahlgren N
AT388418B (de) * 1984-04-24 1989-06-26 Upravlewnie Montazhu Demontazh Hydraulischer kraftmechanismus

Also Published As

Publication number Publication date
SE317791B (enrdf_load_stackoverflow) 1969-11-24
CA946820A (en) 1974-05-07
JPS5026822B1 (enrdf_load_stackoverflow) 1975-09-03
GB1297777A (enrdf_load_stackoverflow) 1972-11-29
DE1961283A1 (de) 1970-09-10

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Legal Events

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