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:
Jul. 15, 2008
Filed:
Nov. 17, 2005
Takashi Shinoda, Ohbu, JP;
Yoshimasa Makino, Ohbu, JP;
Takashi Shinoda, Ohbu, JP;
Yoshimasa Makino, Ohbu, JP;
Kabushiki Kaisha Meiki Seisakusho, Ohbu-shi, JP;
Abstract
In an injection devicehaving a plungerreciprocably inserted into a heating cylinder, in which a molten material M is injected by the plungervia a nozzle, a sealing portionset so that the molten material M is prevented from easily entering a gap A between the plungerand an inner wallof the heating cylinderis provided on the portion of the plunger, on the side of the nozzle, and the portion of the sealing portion, on the side of the nozzleis a core keeping portionprovided so that an annular portionwhich is formed on a front portion of the plungerand is connected to a storage portionof the molten material M is formed between the core keeping portionand the inner wallof the heating cylinder