The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 2009
Filed:
Sep. 13, 2005
Yukio Inukai, Komaki, JP;
Shigeki Kato, Komaki, JP;
Takahiro Aoi, Komaki, JP;
Norihito Kimura, Komaki, JP;
Takahiro Imai, Komaki, JP;
Yuki Akatsuka, Komaki, JP;
Masami Ono, Komaki, JP;
Yukio Inukai, Komaki, JP;
Shigeki Kato, Komaki, JP;
Takahiro Aoi, Komaki, JP;
Norihito Kimura, Komaki, JP;
Takahiro Imai, Komaki, JP;
Yuki Akatsuka, Komaki, JP;
Masami Ono, Komaki, JP;
Tokai Rubber Industries, Ltd., Komaki, JP;
Sanyu Industries, Ltd., Komaki, JP;
Abstract
A rubber injection molding device comprising: a mold having a molding cavity therein; an injecting machine including an injection cylinder having an injection chamber for storing a rubber therein, and an injection plunger for injecting the rubber from the injection chamber into the molding cavity by means of an advancement of the injection plunger; a feed machine having a feed cylinder with a feed aperture formed at a tip end thereof and connected with the injection chamber through a feed duct, and being adapted to feed into the injection chamber, through the feed duct the rubber in a mixed state, and a pushing assembly which pushes into the injection chamber the rubber that remains within the feed duct after a feed operation of the rubber by the feed machine. A manufacturing method of a rubber product by using the molding device is also disclosed.