GB1450332A - Gripping devices - Google Patents

Gripping devices

Info

Publication number
GB1450332A
GB1450332A GB756374A GB756374A GB1450332A GB 1450332 A GB1450332 A GB 1450332A GB 756374 A GB756374 A GB 756374A GB 756374 A GB756374 A GB 756374A GB 1450332 A GB1450332 A GB 1450332A
Authority
GB
United Kingdom
Prior art keywords
pipe section
spring
lever
opening
inserts
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
GB756374A
Other languages
English (en)
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of GB1450332A publication Critical patent/GB1450332A/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
    • B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/442—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces actuated by lifting force

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Gripping On Spindles (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Earth Drilling (AREA)
GB756374A 1973-03-12 1974-02-19 Gripping devices Expired GB1450332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00340158A US3834751A (en) 1973-03-12 1973-03-12 Transfer elevator for integral and collar tubing

Publications (1)

Publication Number Publication Date
GB1450332A true GB1450332A (en) 1976-09-22

Family

ID=23332137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB756374A Expired GB1450332A (en) 1973-03-12 1974-02-19 Gripping devices

Country Status (5)

Country Link
US (1) US3834751A (enrdf_load_stackoverflow)
JP (1) JPS49126502A (enrdf_load_stackoverflow)
CA (1) CA994238A (enrdf_load_stackoverflow)
GB (1) GB1450332A (enrdf_load_stackoverflow)
IT (1) IT1003578B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551748Y2 (enrdf_load_stackoverflow) * 1974-08-08 1980-12-02
US3995904A (en) * 1975-06-24 1976-12-07 Matthews Joseph E Clamp
JPS59183487U (ja) * 1983-05-21 1984-12-06 極東マツク・グレゴ−株式会社 クランプ
JPS606786U (ja) * 1983-06-28 1985-01-18 極東マツク・グレゴ−株式会社 クランプ
JPS60117378U (ja) * 1984-01-13 1985-08-08 鹿島建設株式会社 縦状鉄筋吊上げ具
US4586744A (en) * 1984-06-18 1986-05-06 Price Marvin L Apparatus for lifting and handling an object
FR2671131B1 (fr) * 1990-12-27 1997-01-31 Gilbert Hugues Dispositif autobloquant pour le levage et la manutention de tubes, tiges ou autres elements allonges.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US612061A (en) * 1898-10-11 Pipe-holder
US702334A (en) * 1902-01-31 1902-06-10 Levi N Schulte Pump-pipe grapple.
US713485A (en) * 1902-05-15 1902-11-11 Joseph Neumeier Well-tube lifter.
US1214417A (en) * 1915-11-10 1917-01-30 Thomas Gifford Jamieson Bishop Gripping device for use in raising and lowering pipes and the like.
US1837990A (en) * 1929-09-26 1931-12-22 Herbert C Otis Well tubing snubber
US1888083A (en) * 1932-06-20 1932-11-15 Harold F Holtz Curb jack
US2634157A (en) * 1949-12-08 1953-04-07 Coast Oil Tool Corp Rod gripping tool
US2636771A (en) * 1950-03-10 1953-04-28 Schneider Louis Corn gleaner

Also Published As

Publication number Publication date
CA994238A (en) 1976-08-03
AU6576874A (en) 1975-08-21
JPS49126502A (enrdf_load_stackoverflow) 1974-12-04
US3834751A (en) 1974-09-10
IT1003578B (it) 1976-06-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee