Double-wall vessel especially Dewar flasks, with wall spacer

Details Double-wall vessel especially Dewar flasks, with wall spacer Double-wall vessel especially Dewar flasks, with wall spacer

1980-10-17

1982-08-10

Price, William

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220445, 220420, B65D 9006

Patent

active

043434134

ABSTRACT:
A double-wall vessel has its inner walls spaced from the outer wall by a plurality of insulating spacers, each of which includes a thread stud affixed to one of the walls and reaching toward the other, the length of the stud being greater than the spacing tolerance of the vessel. On each thread stud is screwed a support body of thermally insulating material and arranged such that, wherein the body is screwed fully onto its stud, its maximum distance from the wall on which the stud is mounted is not greater than the minimum spacing between the two walls.

REFERENCES:
patent: 797577 (1905-08-01), Heylandt
patent: 1262009 (1918-04-01), Brady
patent: 1828435 (1931-10-01), Otte
patent: 2596224 (1952-05-01), Jacket
patent: 2722336 (1955-11-01), Wexler et al.
patent: 2845199 (1958-07-01), Putman et al.
patent: 3043466 (1962-07-01), Gardner
patent: 3094071 (1963-06-01), Beckman
patent: 3355051 (1967-11-01), Kloeckner
patent: 3357589 (1967-12-01), Spaulding et al.
patent: 3401816 (1968-09-01), Witt
patent: 3487971 (1970-01-01), Kirgis et al.
patent: 4066184 (1978-01-01), Cuthbert et al.

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