Gripper blocks for reeled tubing injectors

Details Gripper blocks for reeled tubing injectors Gripper blocks for reeled tubing injectors

1990-11-16

1992-03-10

Olszewski, Robert P.

Conveyors: power-driven

Conveyor section

Load simultaneously engaged between and moved by a plurality...

198620, 198604, 19880301, B65G 1514

Patent

active

050943405

ABSTRACT:
An improved gripper unit for use in an injector for handling coil tubing, pipe, rod, cable, or similar elongate objects, this gripper unit being provided with gripping surfaces which contact the coil tubing in V-block fashion and thus will grip such tubing of differing diameters. This gripper unit will enable the injector to support a given load while applying less squeeze. In the case of handling coil tubing or pipe, the stresses induced by these improved gripper blocks are very considerably reduced as compared with conventional gripper blocks.

REFERENCES:
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W. C. Mauer & W. C. Herben, Deep Earth Sampling System-Phase I, Final Report, (National Science Foundation, Jun. 1990, TR 90-8).
SKF Vertical Wedge Chain Conveyor, Product News from Flex-Link-No. 1, Sep. 1984.

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