Metal working – Means to assemble or disassemble – Coupling to conduit
Reexamination Certificate
2006-11-01
2010-10-26
Hail, III, Joseph J (Department: 3723)
Metal working
Means to assemble or disassemble
Coupling to conduit
C029S238000
Reexamination Certificate
active
07818857
ABSTRACT:
A tube joining and loop formation device that aligns and pre-positions two ends of a synthetic resin tubular work piece for insertion onto a single internal joining plug by frictional interference thereon. The joining device clamps the tubes inwardly from its free ends in independent fixtures which are then simultaneously driven towards coupling temporarily held in a movable aligned fixture for internal engagement therewith.
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patent: 6016592 (2000-01-01), Lavender
patent: 6430792 (2002-08-01), Foster et al.
patent: 2005/0120539 (2005-06-01), Tutt et al.
Daniel Jamal
Hail, III Joseph J
Harpman & Harpman
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