ZA7362B - Improvements in or relating to methods of lowering and raising loads by means of a jack assembly and lifting element - Google Patents

Improvements in or relating to methods of lowering and raising loads by means of a jack assembly and lifting element

Info

Publication number
ZA7362B
ZA7362B ZA730062A ZA7362A ZA7362B ZA 7362 B ZA7362 B ZA 7362B ZA 730062 A ZA730062 A ZA 730062A ZA 7362 A ZA7362 A ZA 7362A ZA 7362 B ZA7362 B ZA 7362B
Authority
ZA
South Africa
Prior art keywords
lowering
relating
methods
lifting element
jack assembly
Prior art date
Application number
ZA730062A
Inventor
N Ahlgren
Original Assignee
N Ahlgren
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 N Ahlgren filed Critical N Ahlgren
Publication of ZA7362B publication Critical patent/ZA7362B/en

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
ZA730062A 1972-01-12 1973-01-03 Improvements in or relating to methods of lowering and raising loads by means of a jack assembly and lifting element ZA7362B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA7362B true ZA7362B (en) 1973-09-26

Family

ID=20256321

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA730062A ZA7362B (en) 1972-01-12 1973-01-03 Improvements in or relating to methods of lowering and raising loads by means of a jack assembly and lifting element

Country Status (12)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424451A1 (en) * 1978-04-28 1979-11-23 Delattre Levivier Walking mechanism for relatively movable bodies - has pair of hydraulic cylinders which work with alternate strokes to give continuous movement via hinged legs
US4238115A (en) * 1979-08-17 1980-12-09 Research-Cottrell, Inc. Jacking device
FR2496074B1 (en) * 1980-12-16 1985-08-16 Laplante Gilbert JACK MOTOR INSTALLATION FOR PRODUCING THE CONTINUOUS MOVEMENT OF AN OBLONG OBJECT IN THE DIRECTION OF ITS AXIS, AND / OR FOR MOVING AN ELEMENT ALONG THE SAID OBJECT
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 (en) * 2000-07-03 2011-09-28 鉄建建設株式会社 Continuous towing jack
JP5673870B1 (en) 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 Resin structure having a liquid layer on the surface

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 (en) * 1969-02-21 1969-11-24 O Jahr

Also Published As

Publication number Publication date
ATA17973A (en) 1976-09-15
FR2167951B1 (en) 1976-05-14
FR2167951A1 (en) 1973-08-24
AU5097273A (en) 1974-07-11
DE2300830A1 (en) 1973-07-19
JPS4878650A (en) 1973-10-22
ES410514A1 (en) 1975-12-01
GB1422042A (en) 1976-01-21
AT336841B (en) 1977-05-25
US3895778A (en) 1975-07-22
BR7300232D0 (en) 1973-09-27
CA1007632A (en) 1977-03-29
SE354635B (en) 1973-03-19
IT988101B (en) 1975-04-10

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