Heat recoverable closure assembly and method

Details Heat recoverable closure assembly and method Heat recoverable closure assembly and method

1978-12-06

1980-11-18

Footland, Lenard A.

Pipes and tubular conduits

Longitudinally seamed

With tongue in slot

138170, F16L 914

Patent

active

042340209

ABSTRACT:
A wrap-around closure assembly for elongate objects such as pipelines including a length of heat recoverable material as the closure member and a fastening device extending lengthwise along the elongate object for holding the edges of the material in a nearly abutting relationship. The fastening device has channels which receive the edges of the heat recoverable material such that the retaining forces of the fastening device are in line with the tensile forces of the recovered closure member. Retaining means within the channels prevent the withdrawal of the edges during assembly and after heat recovery of the closure member. The legs of the channels are also forced against the interposed closure member to prevent extraction thereof.

REFERENCES:
patent: 790644 (1904-06-01), Lloyd
patent: 3455336 (1969-07-01), Ellis
patent: 3507977 (1970-04-01), Pusey
patent: 3991243 (1976-11-01), Biddell

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