Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,...
Patent
1989-11-13
1991-05-14
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
264223, 264322, 264293, B29C 5120
Patent
active
050154290
ABSTRACT:
A method of making a foot-shaped layer, such as an insole member of a shoe using an apparatus which includes a top plate having an opening of a predetermined area and mutually adjacent bar-like measuring elements frictionally supported in an individually vertically movable manner within the opening. A sheet of thermoplastic is heated to a plasticized state and placed on the opening so as to cover the upper end surfaces of the measuring elements so that upon stepping on the sheet with a foot, the film and measuring elements thereunder move downward by amounts corresponding to the shape of the foot so that the film is molded to the shape of the foot. The molded film is then cooled and cut along the outline of the foot to obtain a layer which may be used to define the shape of an insole member.
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Thurlow Jeffery
Vargot Mathieu
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