Device for use in helmet for preventing fogging by electric heat

Details Device for use in helmet for preventing fogging by electric heat Device for use in helmet for preventing fogging by electric heat

1983-03-17

1986-04-29

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

2435, 2434, 219203, A42B 302

Patent

active

045847215

ABSTRACT:
A device for use in a helmet having a shield panel for preventing the shield panel from fogging by electric heating. A transparent electroconductive film is provided inside the shield panel for passing current through the film to generate heat. An assembly including the conductive film is removable from the shield panel for repeated use when the shield panel is to be replaced by a new one due to damage.

REFERENCES:
patent: 2979596 (1961-04-01), Karp
patent: 3024341 (1962-03-01), Ogle, Jr. et al.
patent: 3027561 (1962-04-01), Senne
patent: 3495259 (1970-02-01), Rocholl et al.
patent: 3892947 (1975-07-01), Strengholt
patent: 4047249 (1977-09-01), Booth

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