Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Patent
1988-01-04
1989-05-16
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including shaping means comprising fluid pressure contacting...
425394, 4254052, 425407, B29C 5110, B29C 5122
Patent
active
048305960
ABSTRACT:
An apparatus for the vacuum thermoforming of a formable thermoplastic material is disclosed. This apparatus is comprised of at least two counter-rotatable, polygonal, substantially contiguous forming bodies, means for rotating the two polygonal forming bodies in a counter-rotatable manner, means for compressing the two polygonal forming bodies so that they are substantially contiguous, and means for disposing a sheet of formable, thermoplastic material between the two polygonal forming bodies.
REFERENCES:
patent: 3181202 (1965-05-01), Martelli et al.
patent: 3537138 (1970-11-01), Brown et al.
patent: 3673834 (1972-07-01), Brunner et al.
patent: 3673835 (1972-07-01), Arfert
patent: 3709967 (1973-01-01), Held Jr.
patent: 3954368 (1976-05-01), Kawakami
patent: 4284396 (1981-08-01), Thissen et al.
patent: 4413964 (1983-11-01), Winstead
patent: 4579516 (1986-04-01), Caputo
patent: 4669969 (1987-06-01), Martelli et al.
Golding, B., "Polymers and Resins", D. Van Nostrand Co., Inc., Princeton, N.J., 1959, pp. 610-615.
Hanlon, J. F., "Handbook of Package Engineering", 2nd Edition, McGraw-Hill Book Co., New York, 1984, pp. 8-71 to 8-84.
"The Packaging Encyclopedia", 1983, Cahners Publishing Co., Boston, Mass., Package Engineering, vol. 28, No. 4.
Chiesa Richard L.
Greenwald Howard J.
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