Shoe stiffener

Details Shoe stiffener Shoe stiffener

1984-10-22

1986-01-07

Jaudon, Henry S.

Boot and shoe making

Processes

Miscellaneous parts

36 68, 36 45, 1562724, A43B 2316, B29C 2704

Patent

active

045626073

ABSTRACT:
Heat-activating shoe stiffeners containing magnetic material by means of a high-frequency magnetic field.

REFERENCES:
patent: 3305884 (1967-02-01), Sullivan
patent: 3620875 (1971-11-01), Guglielmo
patent: 3778251 (1973-12-01), Trask
patent: 3892078 (1975-07-01), Closson Jr.
patent: 3946193 (1976-03-01), Giese
patent: 3961124 (1976-06-01), Matton
patent: 4015347 (1977-04-01), Morishita et al.
patent: 4035547 (1977-07-01), Heller Jr. et al.
patent: 4069602 (1978-01-01), Kremer et al.

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