CA1007632A - Methods of lowering and raising loads by means of a jack assembly and lifting element - Google Patents

Methods of lowering and raising loads by means of a jack assembly and lifting element

Info

Publication number
CA1007632A
CA1007632A CA161,070A CA161070A CA1007632A CA 1007632 A CA1007632 A CA 1007632A CA 161070 A CA161070 A CA 161070A CA 1007632 A CA1007632 A CA 1007632A
Authority
CA
Canada
Prior art keywords
lowering
methods
lifting element
jack assembly
raising loads
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
CA161,070A
Other languages
English (en)
Other versions
CA161070S (en
Inventor
Nils H. Ahlgren
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
Application granted granted Critical
Publication of CA1007632A publication Critical patent/CA1007632A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0836—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks
    • E02B17/0881—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks with following nuts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0836—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
  • Types And Forms Of Lifts (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
CA161,070A 1972-01-12 1973-01-11 Methods of lowering and raising loads by means of a jack assembly and lifting element Expired CA1007632A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE00295/72A SE354635B (fr) 1972-01-12 1972-01-12

Publications (1)

Publication Number Publication Date
CA1007632A true CA1007632A (en) 1977-03-29

Family

ID=20256321

Family Applications (1)

Application Number Title Priority Date Filing Date
CA161,070A Expired CA1007632A (en) 1972-01-12 1973-01-11 Methods of lowering and raising loads by means of a jack assembly and lifting element

Country Status (12)

Country Link
US (1) US3895778A (fr)
JP (1) JPS4878650A (fr)
AT (1) AT336841B (fr)
BR (1) BR7300232D0 (fr)
CA (1) CA1007632A (fr)
DE (1) DE2300830A1 (fr)
ES (1) ES410514A1 (fr)
FR (1) FR2167951B1 (fr)
GB (1) GB1422042A (fr)
IT (1) IT988101B (fr)
SE (1) SE354635B (fr)
ZA (1) ZA7362B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424451A1 (fr) * 1978-04-28 1979-11-23 Delattre Levivier Dispositif d'entrainement d'un mobile
US4238115A (en) * 1979-08-17 1980-12-09 Research-Cottrell, Inc. Jacking device
FR2496074B1 (fr) * 1980-12-16 1985-08-16 Laplante Gilbert Installation motrice a verins pour produire le deplacement continu d'un objet oblong dans la direction de son axe, et/ou pour mouvoir un element le long dudit objet
US4460039A (en) * 1982-11-04 1984-07-17 W-K-M Wellhead Systems, Inc. Wellhead valve removal and installation tool
US4615509A (en) * 1985-10-23 1986-10-07 Cibeles International Inc. Continuous operation linear hydraulic winch
GB2219568B (en) * 1988-06-11 1992-08-05 Hydra Tight Ltd Pulling tool.
US6299123B1 (en) * 2000-02-07 2001-10-09 George Shandor Hayde Adjustable hanging system
JP4783493B2 (ja) * 2000-07-03 2011-09-28 鉄建建設株式会社 連続牽引ジャッキ
JP5673870B1 (ja) 2013-07-26 2015-02-18 東洋製罐グループホールディングス株式会社 表面に液層を有する樹脂構造体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686420A (en) * 1954-08-17 Slab lifting apparatus
US2758467A (en) * 1950-08-12 1956-08-14 Philip N Youtz Building apparatus
US3416284A (en) * 1964-07-24 1968-12-17 Felix M. Adler Method for constructing a building including feeding a plurality of end connected column sections upwardly through a jack system
SE317791B (fr) * 1969-02-21 1969-11-24 O Jahr

Also Published As

Publication number Publication date
ATA17973A (de) 1976-09-15
ZA7362B (en) 1973-09-26
FR2167951A1 (fr) 1973-08-24
DE2300830A1 (de) 1973-07-19
ES410514A1 (es) 1975-12-01
AU5097273A (en) 1974-07-11
SE354635B (fr) 1973-03-19
GB1422042A (en) 1976-01-21
FR2167951B1 (fr) 1976-05-14
BR7300232D0 (pt) 1973-09-27
US3895778A (en) 1975-07-22
IT988101B (it) 1975-04-10
JPS4878650A (fr) 1973-10-22
AT336841B (de) 1977-05-25

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