US Patent 7708550 Cold runner injection mold having an insulated gate
Patent 7708550 was granted and assigned to Konica Minolta on May, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An injection mold and an injection molding apparatus having a movable mold and a fixed mold. Each of the movable/fixed molds has bases, and a runner, a gate and a cavity are formed. The gate is composed of recesses made in mutually opposite end surfaces of sleeve-like heat insulators provided for the bases. Thereby, the gate is heat-insulated, and resin in the gate is prevented from cooling down during a pressure retention step. Thus, the resin keeps fluidity longer.
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US Patent 07708550 Cold runner injection mold having an insulated gate US Patent 7708550 Cold runner injection mold having an insulated gate
Infobox
Patent Number
0770855000
Patent Number
770855000
Edits on 26 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077085500
Date of Patent
May 4, 2010
0Patent Application Number
111686320
Date Filed
June 28, 2005
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077085500
Date of Patent
May 4, 2010
0Patent Application Number
111686320
Date Filed
June 28, 2005
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
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US Patent 07708550 Cold runner injection mold having an insulated gate
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07708550
Date of patent
May 4, 2010
Patent application number
11168632
Date Filed
June 28, 2005
Patent primary examiner
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