One-piece, washable and sterilizable plastic shoe

Details One-piece, washable and sterilizable plastic shoe One-piece, washable and sterilizable plastic shoe

1980-07-24

1983-10-11

Lawson, Patrick D.

Boots, shoes, and leggings

Boots and shoes

Ventilated

A43B 706

Patent

active

044084013

ABSTRACT:
A one-piece, washable and sterilizable plastic shoe comprising a lower part with a top on which the foot bears and a bottom enveloping an outsole and a heel, and an upper part having ventilating openings in a substantially vertical lateral area, these openings having upper and lower outer boundary edges that are lower, respectively, than the corresponding upper and lower inner boundary edges thereof. The method for producing such a plastic shoe includes the steps of introducing mouldable plastic into a mould comprising top and bottom halves with a shoe last therebetween and simultaneously forming the lateral ventilating openings by means of spaced pins extending between the bottom-half mould and the last. The apparatus for producing the shoe comprises a mould having top and bottom halves with a shoe last therebetween and a plurality of pins extending from the bottom-half mould into removeable engagement with the shoe last. The pins are shaped and oriented to provide the desired configuration to the ventilating openings.

REFERENCES:
patent: 4078321 (1978-03-01), Famolare
patent: 4100685 (1978-07-01), Dassler
patent: 4237628 (1980-12-01), Etancelin
patent: 4322894 (1982-04-01), Inohara
Shurr Schuhvertrieb GmbH, Schwarzenbach/Saale and Anton Schur, Chem. Pharm. Fabrik, Nettetal 1, Endlich Keimfrei, undated.

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