Heat-recoverable coupler

Details Heat-recoverable coupler Heat-recoverable coupler

1987-08-25

1990-06-05

Weston, Calleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 86, 156158, 264230, 264342R, 285381, 285423, 219535, 219544, B32B 3126

Patent

active

049311166

ABSTRACT:
A coupler for joining polymeric pipes comprises a generally cylindrical radially heat-shrinkable member which is composed of a conductive polymer. To recover the coupler, current is passed axially through the coupler via electrodes. The coupler has a center portion of increased wall thickness and in this way, when there is a gap between the pipes, overheating of the center portion of the coupler is avoided.

REFERENCES:
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patent: 4570055 (1986-02-01), McMills
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patent: 4670078 (1987-06-01), Thalmann et al.
patent: 4681985 (1987-07-01), Katz et al.
patent: 4686071 (1987-08-01), Rosenzweig et al.
patent: 4727242 (1988-02-01), Barfield
patent: 4775501 (1988-10-01), Rosenzweig et al.

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