Heat-recoverable composition coupling device

Details Heat-recoverable composition coupling device Heat-recoverable composition coupling device

1989-08-01

1990-08-28

Arola, Dave W.

Pipe joints or couplings

Packed

Sleeve

285381, 2853827, 285342, F16L 1702

Patent

active

049519786

ABSTRACT:
Described herein are heat recoverable composite coupling comprising an outer, tubular heat-shrinkable sleeve and a hollow insert member adapted to receive plural substrates. The insert member has a tapered surface to allow it to accommodate substrates of different sizes. Recovery of the outer member forces the insert member into secure contact with the substrate forming a union between the substrates.

REFERENCES:
patent: 1186812 (1912-06-01), McFerron
patent: 1265706 (1918-05-01), Bordeen
patent: 1910269 (1933-05-01), Sunderland
patent: 2378525 (1945-06-01), Abegg
patent: 3143012 (1964-08-01), Deperthes
patent: 3320355 (1967-05-01), Booker
patent: 3513429 (1970-05-01), Helsop
patent: 3675949 (1972-07-01), Dawson
patent: 3786552 (1974-01-01), Saito
patent: 3805567 (1974-04-01), Sinerco
patent: 3819149 (1974-06-01), Kindu
patent: 3913444 (1975-10-01), Otte
patent: 4455041 (1984-06-01), Martin

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