Vacuum insulated conduit

Details Vacuum insulated conduit Vacuum insulated conduit

1983-04-01

1985-05-07

Callaghan, Thomas F.

Pipe joints or couplings

With casing, lining or protector

Insulated

285 53, 285DIG5, 138149, F16L 5914

Patent

active

045153973

ABSTRACT:
A vacuum insulated conduit exhibiting reduced thermal leakage through a joint area wherein the evacuated space between inner and outer pipes is reduced in the joint area by a plate from the outer pipe to bellows covering the inner pipe which form the major heat transfer pathway.

REFERENCES:
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patent: 2930407 (1960-03-01), Conley et al.
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patent: 3146005 (1964-08-01), Peyton
patent: 3207533 (1965-09-01), Van Gundy et al.
patent: 3344803 (1967-10-01), Charles et al.
patent: 3369826 (1968-02-01), Boosey et al.
patent: 3488067 (1970-01-01), Sommer
patent: 3744823 (1973-07-01), Muir et al.
patent: 3854756 (1974-12-01), Couch
patent: 3885595 (1975-05-01), Gibson et al.
patent: 4046407 (1977-09-01), Porreco
patent: 4332401 (1982-06-01), Stephenson et al.
patent: 4415184 (1983-11-01), Stephenson et al.

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