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Patent Searching and Data


Title:
SAFETY INDICATING TIRE
Document Type and Number:
Japanese Patent JPS5758504
Kind Code:
A
Abstract:

PURPOSE: To improve the safety of a tire by forming a rubber like elastic layer containing a cholesteric liquid crystal and having specific modulus of elasticy via a primer layer having specific modulus of elasticy on the side of an automobile tire within specified area of the tire.

CONSTITUTION: A rubber like elastic layer 3 containing a chlolesteric liquid crystal and having modulus of elasticy of 0.2W0.8kg/cm2 is integrally formed on a tire side 1 starting from the bead base toward the crown within a band like region or the protruded part of the tire side 3/10W6/10 of the section height, a primer layer 2 having modulus of elasticy of 0.2W0.8kg/cm2 being applied to said region pior to the formation of said bubber like elastic layer 3 which is then covered by a polyurethane protective layer 4 thereby enabling visual inspection of the temperature change of the tire during the running to improve the safety.


Inventors:
NAKAMARU MITSUNORI
MIZUSHIMA NAOKI
KAGEYAMA KUNIO
YAMAZAKI HAJIME
Application Number:
JP13474480A
Publication Date:
April 08, 1982
Filing Date:
September 27, 1980
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C13/04; B60C13/00; B60C23/20; (IPC1-7): B60C13/00; B60C23/20