E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
33/121, 285/63,
E21B 19/16 (2006.01)
Patent
CA 1266963
ABSTRACT The invention relates to an inserting and centering device for associated screw-in pipes. Two semi-cylindrical jaws are connected in articulating manner on the cylindrical inside surfaces of which are provided an annular projection having an annular, down- ward shoulder to rest on the socket edge of the pipes. The jaws further comprise, at their upper end, a conical flare joining the said projection. Each jaw is equipped with one handle. The device further includes a closure mechanism to keep together the jaws when they are in the closed position wherein the jaws enclose with play the pipe socket. One handle of at least one jaw at the same time is designed to be a part of the closure mechanism.
456643
Drefuss Wilfried
Muller Kurt
Remp Thomas E.
Drefuss Wilfried
Drilltec Patents & Technologies Company Inc.
Johnson Douglas S. Q.c.
Muller Kurt
Remp Thomas E.
LandOfFree
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