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US Patent 9840033 Mold for resin injection molding

Patent 9840033 was granted and assigned to Matsuura Machinery on December, 2017 by the United States Patent and Trademark Office.

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Is a

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Patent attributes

Patent Applicant

Matsuura Machinery

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Current Assignee

Matsuura Machinery

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Yukinori Urushizaki0

Kouichi Amaya0

Ryuzo Tanaka0

Date of Patent

December 12, 2017

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Patent Application Number

148110470

Date Filed

July 28, 2015

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Patent Primary Examiner

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Patent abstract

A mold for resin injection molding 1 having a shaping region formed by a low-density shaped portion 22 and a high-density shaped portion 21 in which each ventilation channel 32 for gas existing between an external region and a molding portion region forms a hollow state surrounded by a peripheral wall having any one or both of the high-density shaped portion 21 and the low-density shaped portion 22, and the secondary vent 33 connecting communicatively with a region molding portion is formed only by a low-density shaped portion 22 with thickness thinner than that of the shaping region.

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