Pipe joints or couplings – Temperature responsive joint element; e.g. – shrunk fit – Memory plastic element
Patent
1985-12-10
1987-03-17
Husar, Cornelius J.
Pipe joints or couplings
Temperature responsive joint element; e.g., shrunk fit
Memory plastic element
2853827, 285909, 285382, 174DIG8, 339DIG1, 156 86, 29447, F16L 1314
Patent
active
046502289
ABSTRACT:
A heat recoverable coupling assembly for substrates having a relatively rigid outer wall, which includes a connector body and a driver member made from a band of heat recoverable material. The connector body includes a mating area for engaging a mating area on the rigid wall of the substrate. The connector body is positioned inside or outside the substrate and the driver member is positioned around the outside member. The driver member has an unrecovered transverse dimension larger than the outside member and a recovered transverse dimension smaller than the outside member. The driver member is positioned around the outside member over at least part of the mating areas. Upon heating the driver member to its recovery temperature, the driver member deforms the outside member and itself plastically deforms to a shape suitable for retaining the substrate and the connector body together. The driver member is made from heat recoverable engineering plastics.
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IBM Technical Disclosure, R. T. Evans, "Terminal for Coaxial Cable", vol. 9, No. 3, Aug. 1966.
McMills Corey J.
Siden Dennis C.
Burkard Herbert G.
Husar Cornelius J.
Kovach Dennis E.
Nicholson Eric K.
Raychem Corporation
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