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:
Apr. 13, 1993
Filed:
Jan. 15, 1992
Applicant:
Inventors:
Toshihiro Furusawa, Sodegaura, JP;
Atsushi Satoh, Sodegaura, JP;
Takashi Nakajima, Tokyo, JP;
Noriaki Matsugishi, Tokyo, JP;
Assignees:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Seidensha Electronics Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B / ;
U.S. Cl.
CPC ...
264 23 ; 264 69 ; 264 70 ; 264349 ; 2643281 ; 3661272 ; 4251742 ;
Abstract
Disclosed is a plasticization method in which a molding material is supplied to a cylinder having a built-in screw to plasticize the molding material, and further, at least one of the cylinder and the screw is resonated to carry out the plasticization of the molding material. Also disclosed is a plasticization method in which the cylinder is vibrated by progressive waves to plasticize the molding material, and an apparatus able to carry out these plasticization methods.