GB1420980A - Dead-weight-type slab tongs - Google Patents

Dead-weight-type slab tongs

Info

Publication number
GB1420980A
GB1420980A GB2580973A GB2580973A GB1420980A GB 1420980 A GB1420980 A GB 1420980A GB 2580973 A GB2580973 A GB 2580973A GB 2580973 A GB2580973 A GB 2580973A GB 1420980 A GB1420980 A GB 1420980A
Authority
GB
United Kingdom
Prior art keywords
dead
weight
links
lifting
tongs
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
GB2580973A
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to GB2580973A priority Critical patent/GB1420980A/en
Publication of GB1420980A publication Critical patent/GB1420980A/en
Expired legal-status Critical Current

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
    • B66C1/422—Gripping members engaging only the external or internal surfaces of the articles actuated by lifting force

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

1420980 Lifting tongs NIPPON KOKAN KK 30 May 1973 25809/73 Heading B8H Lifting tongs for lifting slabs S comprise a pair of links 2, 4 and 2<SP>1</SP>, 4<SP>1</SP> pivotally connected at b 1 , b 2 to respective upper links 1, 1<SP>1</SP>. The upper links are arranged to cross each other and are connected separately at spaced points a 2 , a 1 to a lifting frame engageable by a crane hook. The links 2, 4, 2<SP>1</SP>, 41 have respective grips 5, 5<SP>1</SP> and are interconnected by a link 3.
GB2580973A 1973-05-30 1973-05-30 Dead-weight-type slab tongs Expired GB1420980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2580973A GB1420980A (en) 1973-05-30 1973-05-30 Dead-weight-type slab tongs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2580973A GB1420980A (en) 1973-05-30 1973-05-30 Dead-weight-type slab tongs

Publications (1)

Publication Number Publication Date
GB1420980A true GB1420980A (en) 1976-01-14

Family

ID=10233663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2580973A Expired GB1420980A (en) 1973-05-30 1973-05-30 Dead-weight-type slab tongs

Country Status (1)

Country Link
GB (1) GB1420980A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324289A (en) * 1997-04-16 1998-10-21 Douglas Hart Box tong lifting tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324289A (en) * 1997-04-16 1998-10-21 Douglas Hart Box tong lifting tool

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee