Boot and shoe making – Tools – Interiorly stretching assembled shoes
Patent
1976-06-09
1977-12-06
Lawson, Patrick D.
Boot and shoe making
Tools
Interiorly stretching assembled shoes
A43D 500
Patent
active
040608697
ABSTRACT:
The form fitting of shoes and boots of the instant invention includes the heating of the area of the foot gear which needs to be enlarged to accommodate the foot and simultaneously applying pressure from the inside of the foot gear to cause the heated portion of the foot gear to expand the desired amount. Pneumatically or hydraulically actuated cylinders are used within the foot gear to provide the required pressure and a number of different shoe contacting members are interchangeable to assist in shaping the expanded portion of the foot gear.
REFERENCES:
patent: 1024869 (1912-04-01), Smith
patent: 1289927 (1918-12-01), Scheritz
patent: 2086917 (1937-07-01), Lattemann
patent: 3952357 (1976-04-01), O'Sullivan
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