Pre-deformed thermoplastics spring and method of manufacture

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United States of America Patent

PATENT NO 9976621
SERIAL NO

13393969

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Abstract

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A thermoplastic spring and a method for manufacturing the thermoplastic spring are provided to reduce the effect of creep during use of the spring. The spring is molded and deformed to final dimensions by pre-inducing creep in the molded body.

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Patent Owner(s)

Patent OwnerAddress
ILLINOIS TOOL WORKS INC3600 WEST LAKE AVENUE GLENVIEW IL 60026

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coffield, Timothy P Grand Rapids, US 55 3807
Hartmann, Andrew B Muskegon, US 11 114
Strating, Robert K Hudsonville, US 1 3
Zimmerman, Dean A Comstock Park, US 9 172

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