Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuta Moriya0
Koki Kodaira0
Tatsurou Fujii0
Tomohiro Shima0
Hitoshi Nakashige0
Date of Patent
November 23, 2021
0Patent Application Number
161526650
Date Filed
October 5, 2018
0Patent Primary Examiner
Patent abstract
A resin shaping mold includes a hot runner, a cavity, a cold runner, and a valve pin. The cold runner is connected to the hot runner and the cavity. The cold runner has a lower temperature than the hot runner. The valve pin configured to move forward and backward from the hot runner toward the cold runner and close a channel of molten resin from the hot runner to the cavity at a predetermined position. The valve pin includes a runner lock portion configured to hold resin solidified at a position further on the cavity side with respect to the predetermined position in the cold runner.
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