Firefighter's helmet

Details Firefighter's helmet Firefighter's helmet

1990-02-23

1991-05-28

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2 8, 428920, A42B 300

Patent

active

050182200

ABSTRACT:
A firefighter's helmet having improved heat resistance and protective qualities while being also relatively light in weight having a protective outer shell composed of at least one layer of a fabric of a mixture of polybenzimidazole and high modulus aramid materials and a complementary layer of a very fine glass cloth adjacent at least one side of the polybenzimidazole-aramid layer, impregnated with and molded in a desired shape within a polyester resin material containing a small percentage of a coupling agent. The outer shell may also consist of additional layers of fibrous reinforcing materials molded within the resin material.

REFERENCES:
patent: 4134155 (1979-01-01), Robertson
patent: 4143197 (1979-03-01), Jasionowicz et al.
patent: 4288268 (1981-09-01), Hartung
patent: 4502153 (1985-03-01), Lapedts et al.
patent: 4573217 (1986-03-01), Reed
patent: 4619003 (1986-10-01), Asbury
patent: 4656667 (1987-04-01), Blake
patent: 4748996 (1988-06-01), Combier
patent: 4766609 (1988-08-01), Lane
patent: 4809690 (1989-03-01), Bouyssi et al.
patent: 4883700 (1989-11-01), Harpell et al.

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