Fire helmet and the like

Details Fire helmet and the like Fire helmet and the like

1985-03-25

1987-04-14

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

2412, 428920, A42B 300

Patent

active

046566678

ABSTRACT:
An improved impact barrier structure for fire helmets and the like including a hard outer shell with a relatively thick inner liner in which a layer of flaccid material is interposed between the outer shell and inner liner in intimate heat conducting relation to the outer shell. The layer of flaccid material provides a heat sink for the outer shell to prolong the mechanical characteristics of the outer shell when it is exposed to high temperature sources of radiant or convection heating as in fire fighting operations.

REFERENCES:
patent: 1722869 (1929-07-01), Vanusek
patent: 2381524 (1945-08-01), Taylor
patent: 2709667 (1955-05-01), Grubb et al.
patent: 3286275 (1966-11-01), Marchello
patent: 3647609 (1972-03-01), Cyba
patent: 4051555 (1977-10-01), Daly
patent: 4134155 (1979-01-01), Robertson
patent: 4397045 (1983-08-01), Schonwetter et al.

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