Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Patent
1988-05-31
1990-10-09
Silbaugh, Jan H.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including shaping means comprising fluid pressure contacting...
52 2E, 244 1R, 264500, 264552, 264574, B64G 400, B29C 4928
Patent
active
049616994
ABSTRACT:
Apparatus and methods for thin film formation from which structures may be constructed for use in space. An elastic expandable torus is rolled upon itself about its circular axis as a bubble is formed so that the bubble attachment line may be repositioned to maintain an optimal ratio of attachment diameter to bubble diameter and to maintain an appropriate bubble contact angle and to provide a pre-wetted surface for the bubble at the bubble attachment line. Also included is a frame composed of memory metal which is compacted for immersion in thin film forming fluid and heated to its transition temperature for self erecting to a predetermined thin film shape whereby the need for pressurized gas for formation of the thin film is eliminated.
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Erickson Allen H.
Silbaugh Jan H.
Simmons James C.
Thiokol Corporation
Timm Catherine
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