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:
Mar. 18, 2008
Filed:
Oct. 17, 2001
Hodaka Yokomizo, Chiba, JP;
Jitsuo Oda, Chiba, JP;
Yasuhiko Takeuchi, Nagano, JP;
Hiromitsu Miyajima, Nagano, JP;
Hodaka Yokomizo, Chiba, JP;
Jitsuo Oda, Chiba, JP;
Yasuhiko Takeuchi, Nagano, JP;
Hiromitsu Miyajima, Nagano, JP;
Teijin Limited, Osaka, JP;
Nissei Plastic Industrial Co., Ltd., Nagano, JP;
Abstract
A preform for a multi-layered hollow vessel has excellent moldability and productivity and is free from the deterioration of the characteristic properties of the vessel even when a recycled material is filled in large quantities. A molded product is produced by filling a first material and a second material into the cavity of an injection mold in a single molding step including (i) the substep of injecting the first material, (ii) the substep of injecting the first material and the second material at the same time and (iii) the substep of injecting the first material which are carried out continuously in this order.