Molded plastic toe cap

Details Molded plastic toe cap Molded plastic toe cap

1991-11-26

1993-05-18

Meyers, Steven N.

Boots, shoes, and leggings

Toe caps and tips

36 77M, 36 72R, A43C 1314

Patent

active

052109631

ABSTRACT:
A toe cap for a protective shoe is injection molded utilizing a fiber-filled plastic resin having a high loading of relatively long fibers. The toe cap is constructed to provide a controlled vertical collapse of the body under a vertical load imposed on the roof by providing a roof section of relatively higher strength than the front and side walls of the toe cap. The front and/or side walls are provided with regions of substantially reduced cross section, as compared to the roof section, allowing the walls to close vertically and collapse in a hinge-like manner, while the relatively stronger roof substantially retains its original shape. A specially positioned and shaped gate allows the fiber-filled resin to be injected to form the toe cap in a manner resulting in the lateral orientation of the fibers across the roof to substantially enhance the strength thereof.

REFERENCES:
patent: 2740209 (1956-04-01), Schultz
patent: 3045367 (1962-07-01), McKeon
patent: 3950865 (1976-04-01), Gray
patent: 4103438 (1978-08-01), Fron
patent: 4257177 (1981-03-01), Unsted
patent: 4656761 (1987-04-01), Lord
patent: 4735003 (1988-04-01), Dykeman

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