Tire cure mold and method of manufacturing tire
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United States of America Patent
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Oct 29, 2019
Grant Date -
May 2, 2019
app pub date -
Oct 23, 2018
filing date -
Oct 27, 2017
priority date (Note) -
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Abstract
A tire cure mold has a tread molding face that comes in contact with a tread face of a tire set in a cavity, a protruding portion for forming a groove portion and protruding inward in a tire diametrical direction from the tread molding face, a depression for forming a groove bottom projection and formed by recessing a top face of the protruding portion, a first vent hole open in the tread molding face, a second vent hole open in a bottom face of the depression, and a spring vent mounted in the second vent hole.
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