Casing tong

Details Casing tong Casing tong

E - Fixed Constructions

21

B

166/60, 255/14.7

E21B 19/16 (2006.01) B25B 7/00 (2006.01) E21B 19/10 (2006.01)

Patent

CA 1085377

ABSTRACT There is provided an improved casing tong wherein a novel cam and guide roller arrangement allows unilateral application of the clamping or gripping force by one jaw, while the second jaw serves only as a reaction element, and wherein the clamping face of the cams is provided with a steeper slope to allow a rapid increase in clamping force and a virtually radial approach of the jaws to the casing.

305047

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