BE717934A - - Google Patents

Info

Publication number
BE717934A
BE717934A BE717934DA BE717934A BE 717934 A BE717934 A BE 717934A BE 717934D A BE717934D A BE 717934DA BE 717934 A BE717934 A BE 717934A
Authority
BE
Belgium
Prior art keywords
arms
clamping
handling
lever
arm
Prior art date
Application number
Other languages
English (en)
French (fr)
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
Publication of BE717934A publication Critical patent/BE717934A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/54—Internally-expanding grippers for handling hollow articles
    • B66C1/56—Internally-expanding grippers for handling hollow articles for handling tubes
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
BE717934D 1968-07-11 1968-07-11 BE717934A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE717934 1968-07-11

Publications (1)

Publication Number Publication Date
BE717934A true BE717934A (ja) 1968-12-16

Family

ID=3853251

Family Applications (1)

Application Number Title Priority Date Filing Date
BE717934D BE717934A (ja) 1968-07-11 1968-07-11

Country Status (1)

Country Link
BE (1) BE717934A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000705A1 (en) * 1979-09-13 1981-03-19 J Emunds Conduit grappling anchor
WO1985004435A1 (fr) * 1984-03-23 1985-10-10 Luc Thieffry Machine de pavage
EP0615021A1 (en) * 1993-03-01 1994-09-14 David John Jones Lifting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000705A1 (en) * 1979-09-13 1981-03-19 J Emunds Conduit grappling anchor
WO1985004435A1 (fr) * 1984-03-23 1985-10-10 Luc Thieffry Machine de pavage
EP0615021A1 (en) * 1993-03-01 1994-09-14 David John Jones Lifting device

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