Protective helmet

Details Protective helmet Protective helmet

1977-11-30

1978-08-29

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

219200, 219211, A42B 302

Patent

active

041093232

ABSTRACT:
The invention relates to a protective helmet having a helmet shell resistant to mechanical stress. The helmet shell is composed at least partially of meltable material and is provided along at least one of its separating lines with an elongate separating device in the form of an electrical resistor element, said separating device being provided with at least two terminals to which an electric current source is connectable.

REFERENCES:
patent: 3204385 (1965-09-01), De Remer et al.
patent: 3348640 (1967-10-01), Thompson et al.

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