The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 20, 1999

Filed:

Jun. 27, 1997
Applicant:
Inventors:

Toshio Yamagiwa, Saitama, JP;

Hirohisa Takahashi, Saitama, JP;

Kengo Nakayama, Saitama, JP;

Katsutoshi Yamazaki, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C / ; B60C / ; B60C / ; B60C / ;
U.S. Cl.
CPC ...
152158 ; 152313 ; 152317 ; 1523361 ; 152520 ;
Abstract

A tube or tubeless tire, which can be punctured and still allow a vehicle to continue running, includes a plurality of spherical members formed of foamed rubber or foamed urethane. The spherical members are contained inside an air chamber of the tire and occupy 50% to 80% of the volume of the air chamber of an inflated tire.


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