Tire curing mold and manufacturing method for tire
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United States of America Patent
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-
Jan 23, 2018
Issued Date -
N/A
app pub date -
Nov 15, 2016
filing date -
Dec 3, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tire curing mold has a vent plug installed to an exhaust hole open to a molding surface. The vent plug has a tubular housing having an exhaust passage, a stem inserted to the housing, and an urging member which urges the steal toward the cavity so as to open the exhaust passage. The stem has a head portion which closes the exhaust passage by contacting with an inner surface of an opening portion in the housing. A top surface of the opening portion in the housing and a top surface of the head portion are formed by a flat surface. The top surface of the opening portion in the housing and the top surface of the head portion in a state in which the exhaust passage is closed are both arranged closer to an opposite side to the cavity than the molding surface.
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