Lightweight molded protective helmet

Details Lightweight molded protective helmet Lightweight molded protective helmet

1987-06-24

1989-07-11

Reynolds, Wm. Carter

Apparel

Guard or protector

For wearer's head

2413, 2425, A42B 302

Patent

active

048457868

ABSTRACT:
A lightweight molded protective helmet for use by cyclists and preferably produced by stretch-blow molding a moldable plastic material. The helmet includes outer and inner shells or surfaces each having a plurailty of openings therein, with the surfaces being connected together by walls of the openings formed integral with the surfaces of the helmet. The openings in the helmet surfaces can have any shape such as circular or elongated, and can be made substantially perpendicular or inclined to the surfaces. Also if desired, the space between the substantially parallel outer and inner surfaces can be filled with a plastic energy-absorbing foam material to provide a composite helmet construction.

REFERENCES:
patent: 3437631 (1969-04-01), Cleveland
patent: 3736201 (1973-05-01), Teraoka
patent: 3972075 (1976-08-01), Alevras
patent: 4075717 (1978-02-01), Lemelson
patent: 4100320 (1978-07-01), Chisum
patent: 4354284 (1982-10-01), Gooding
patent: 4443891 (1984-04-01), Blomgren et al.
patent: 4521369 (1985-06-01), Marcinek
patent: 4572811 (1986-02-01), Ota et al.
patent: 4613993 (1986-09-01), Steele et al.
patent: 4724549 (1988-02-01), Herder et al.
patent: 4754501 (1988-07-01), Yahn

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