Pipes and tubular conduits – Miscellaneous
Patent
1976-08-02
1980-08-26
Schmidt, Frederick R.
Pipes and tubular conduits
Miscellaneous
138110, 156218, 428913, F16L 912, F16L 5700
Patent
active
042190517
ABSTRACT:
A heat recoverable warp-around closure member comprises a sheet having a pair of elongate parallel spaced-apart profiles that may be interlocked, optionally with internal or external support or fastening means associated with the profiles, when the sheet is wrapped up to form a hollow member. The member may then be heated, the interlocked profiles maintaining their relative positions against the recovery forces.
REFERENCES:
patent: 2068022 (1937-01-01), Hammel
patent: 3455336 (1969-07-01), Ellis
patent: 3770556 (1973-11-01), Evans et al.
patent: 3847721 (1974-11-01), Evans
N.V. Raychem S.A.
Schmidt Frederick R.
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