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:
May. 06, 2025
Filed:
Jun. 26, 2020
Applicant:
Nissei Asb Machine Co., Ltd., Nagano, JP;
Inventors:
Ryo Kawamura, Nagano, JP;
Masayuki Usami, Nagano, JP;
Assignee:
NISSEI ASB MACHINE CO., LTD., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/16 (2005.12); B29C 45/14 (2005.12); B29C 49/00 (2005.12); B29L 9/00 (2005.12);
U.S. Cl.
CPC ...
B29C 45/1671 (2012.12); B29C 45/14598 (2012.12); B29C 49/071 (2022.04); B29C 2045/1693 (2012.12); B29L 2009/001 (2012.12);
Abstract
A production apparatus of a two-layer preform including an inner layer preform and an outer layer preform includes: an outer layer cavity mold for injection-molding the outer layer preform. A bottom surface of the outer layer cavity mold is provided with a protrusion for separating the inner layer preform disposed in the outer layer cavity mold from the bottom surface.