Pipe gripping clamp

Details Pipe gripping clamp Pipe gripping clamp

2006-04-10

2008-10-21

Bomar, Shane (Department: 3676)

Wells

Above ground apparatus

With assembly or disassembly means

C166S077510, C166S379000

Reexamination Certificate

active

07438127

ABSTRACT:
A pipe-gripping clamp assembly is provided for use on a top drive unit to grip sections of drilling pipe. The clamp assembly includes of a pair of hinged jaws that are opened and closed by a pair of rams attached to the jaws and the frame members that make up the assembly. Each jaw has a jaw insert that is surfaced to firmly grip a pipe and can be easily replaced once worn beyond service. The rams are either hydraulically or pneumatically operated.

REFERENCES:
patent: 6206096 (2001-03-01), Belik
patent: 7017450 (2006-03-01), Bangert
patent: 7055594 (2006-06-01), Springett et al.

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