Molded polypropylene foam tire cores

Details Molded polypropylene foam tire cores Molded polypropylene foam tire cores

1990-01-11

1991-12-17

Foelak, Morton

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

152310, 152316, 156112, 264 454, 521 60, 521142, 521143, 521 56, B32B 2738, C08J 924

Patent

active

050734440

ABSTRACT:
A molded polypropylene foam tire core suitable for all types of wheels. The core may be inserted, in one or more sections, into a pneumatic-type tire casing and mounted on a wheel rim to provide puncture-proof and rupture-proof internal support for said tire casing.

REFERENCES:
patent: Re32780 (1988-11-01), Yoshimura et al.
patent: 4058152 (1977-11-01), Beck et al.
patent: 4504534 (1985-03-01), Adachi et al.
patent: 4504601 (1985-03-01), Kuwabara et al.

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