METHOD FOR MANUFACTURING AN INJECTION-MOLDED ARTICLE AND AN INJECTION-MOLDED ARTICLE

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United States of America Patent

APP PUB NO 20140031518A1
SERIAL NO

14003000

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is a method for manufacturing an injection-molded article, where the method is capable of obtaining a molded article having a high crystallinity while reducing the amount of flash generated and has excellent productivity. A polyarylene sulfide-based resin composition is injection-molded at a mold temperature of 100° C. or less using a mold on the inner surface of which a heat-insulating layer constituted of porous zirconia is formed. It is preferable that the heat-insulating layer is formed by a spraying method. Preferably, the heat-insulating layer has a thermal conductivity of 2 W/(m·K) or less. Preferably, the heat-insulating layer has a thickness of no less than 200 μm.

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Patent Owner(s)

Patent OwnerAddress
POLYPLASTICS CO LTDTOKYO 108-8280

International Classification(s)

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  • 2012 Application Filing Year
  • B29C Class
  • 3499 Applications Filed
  • 2678 Patents Issued To-Date
  • 76.54 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirota, Shinichi Fuji-shi, JP 12 84
Miyashita, Takayuki Fuji-shi, JP 16 138
Takashima, Masato Fuji-shi, JP 5 38

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  • B29C Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges191947139492397452401 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90100 +0501001502002503003504004505005506006507007508008509009501000

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