Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Making hole or aperture in article
Patent
1986-07-22
1990-05-22
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Making hole or aperture in article
264157, 264223, 264227, 264249, 264275, 425 2, B29C 4516
Patent
active
049275844
ABSTRACT:
A method of custom manufacturing of shoes at a specified heel height is disclosed and includes forming a positive impression mold of the foot from a negative impression mold made with the foot oriented at the specified heel height. A sold impression form is provided having an upper surface shaped to correspond to the lower surface of the sole of a shoe with the specified heel height. The positive impression mold is located with its lower surface separated from the upper surface of the sole impression form by a distance approximating the desired sole thickness, after which a settable material adapted to harden to form a suitable sole is introduced into the space between the positive impression mold and the sole impression form. The sole impression form is then removed from the sole and the desired upper materials are attached to the sole to generally conform to the shape of the positive impression mold. A heel is then attached to the heel seat of the sole by injecting a settable material adapted to bond to the heel and the hole into a recessed area of the heel facing the lower surface of the sole.
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Durkin II Jeremiah F.
Woo Jay H.
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