Method and apparatus for thermoforming thermoplastic foam articles
作者： Samantha Linda Vivlamore , Donald Witbeck Myers
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摘要: A method and apparatus for thermoforming plastic foam articles comprising the sequential steps of (a) preheating foam, usually supplied in form a continuous sheet stock, (b) clamping, fixed position, that portion stock material which is to be thermoformed, (c) initially deforming preheated with male mold member preform, (d) drawing vacuum on interior female assist completion operation, (e) completing formation desired article by deformation preform between device.
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