Metal deforming – By deflecting successively-presented portions of work during... – With cutting of work or product
Reexamination Certificate
2011-06-14
2011-06-14
Ekiert, Teresa M (Department: 3725)
Metal deforming
By deflecting successively-presented portions of work during...
With cutting of work or product
C072S183000, C083S363000
Reexamination Certificate
active
07958762
ABSTRACT:
An apparatus for straightening a coiled tubing has an injector that receives the coiled tubing, a straighter that straightens the coiled tubing from the injector, and a shear that cuts the straightened coiled tubing. The straightener has a frame having a first section rotatably connected to a second section, an actuator connected to the second section, and a straightening wheel connected to the actuator. The injector has a first drive chain and a second drive chain. The first and second drive chains each have semi-circular members forming circular channels that grab an outer surface of the coiled tubing. The shear has a trolley, a clamp, a tubing cutter, a return mechanism, and an automated controller. The automated controller actuates the clamp and the tubing cutter while the trolley translates along rails from a first position to a second position.
REFERENCES:
patent: 3800645 (1974-04-01), Alcock et al.
patent: 3933018 (1976-01-01), Fangmeier et al.
patent: 5553668 (1996-09-01), Council et al.
patent: 5816127 (1998-10-01), Ouchi et al.
Egbert Law Offices PLLC
Ekiert Teresa M
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