Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
Patent
1984-02-06
1986-05-20
Thibodeau, Paul J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Nonplanar uniform thickness material
138141, 138142, 138148, 138149, 138173, 285 47, 428920, B32B 108, F16L 5914
Patent
active
045901163
ABSTRACT:
The invention relates to a heat insulating piece comprising a transporting duct of a storage enclosure for liquids or gases, and a heat insulating covering.
At least one layer of heat insulating material is deposited on the outer surface of the wall of the duct or of the enclosure, and an outer wall is disposed around said layer and is maintained with stiffeners which also reinforce the structure of the piece.
REFERENCES:
patent: 1838242 (1931-12-01), Wilson
patent: 1871508 (1932-08-01), Gardner
patent: 2756032 (1956-07-01), Dowell
patent: 2807563 (1957-09-01), Waite et al.
patent: 2937662 (1960-05-01), Green
patent: 3814659 (1974-06-01), Nadeau
Bronzavia
Thibodeau Paul J.
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