Pipe joints or couplings – Packed – Sleeve
Patent
1985-10-07
1987-04-14
Callaghan, Thomas F.
Pipe joints or couplings
Packed
Sleeve
285381, 285915, 285397, F16L 2106
Patent
active
046572872
ABSTRACT:
A grooved contracting connector is comprised of a resilient sheet member in the form of a coil having a plurality of circumferential grooves in the resilient sheet member coil. In one embodiment, an adhesive is applied to the inner surface of the resilient sheet member coil at least in the area between the grooves. Resilient sheet member coil is expanded to a larger diameter and held in the expanded condition by the heat sensitive bonding material. In connecting together tubular members, the tubular members are inserted, the connector is heated with the heat sensitive adhesive bonding material at least partially melting to allow the connector to contract firmly onto the tubing to form a tight and strong connection upon cooling.
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Callaghan Thomas F.
Petock Michael F.
The Brooklyn Union Gas Company
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