Metal working – Method of mechanical manufacture – Shaping by direct application of fluent pressure
Patent
1982-03-04
1983-11-29
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Shaping by direct application of fluent pressure
72 60, B23P 1700, B21D 2210
Patent
active
044173822
ABSTRACT:
An insulation arrangement in which a sheath (2) having at least one thin deformable wall (3), for example of foil, contains a powder insulating material (10), with a high vacuum within the sheath. The vacuum can be drawn through an opening (8) after a filter (9) is inserted to prevent removing the powder when the vacuum is drawn. The insulation arrangement can take the form of a panel or a pipe, and the thin wall (3) can be mechanically deformed after the vacuum is drawn.
REFERENCES:
patent: 2108212 (1938-02-01), Schellens
patent: 2164143 (1939-06-01), Munters
patent: 2699583 (1955-01-01), Kurtz
patent: 2745173 (1956-05-01), Janos
patent: 3052019 (1962-09-01), Strasser
patent: 4273161 (1981-06-01), McLaughlin
Nichols Steven
Rosenbaum Mark
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