Method of lasting shoe uppers to a last and lasted shoe uppers a

Details Method of lasting shoe uppers to a last and lasted shoe uppers a Method of lasting shoe uppers to a last and lasted shoe uppers a

1976-05-13

1977-06-07

Lawson, Patrick D.

Boots, shoes, and leggings

Boots and shoes

12145, A43D 2100, A43B 0000

Patent

active

040274063

ABSTRACT:
A lasting piece of shrinkable, preferably oriented thermoplastic polymeric material is attached, preferably by stitching, to a shoe upper lasting margin and is shrunk by being heated, if it is thermoplastic, to between its glass transition temperature and melting point. Shrinkage of the lasting piece lasts the shoe upper to the last. The lasting piece can be a lasting string, endless band or strip, or a sheet, web, net or welt. Lasted shoe uppers and articles of footwear are produced by the above method.

REFERENCES:
patent: 3230559 (1966-01-01), Mayer
patent: 3374496 (1968-03-01), Stubbings
patent: 3525110 (1970-08-01), Batchelder et al

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