Invention Grant
- Patent Title: Apparatus for producing resin molded article, method for producing resin molded article, and resin molded article
-
Application No.: US17620991Application Date: 2020-06-26
-
Publication No.: US12290970B2Publication Date: 2025-05-06
- Inventor: Ryo Kawamura , Masayuki Usami
- Applicant: NISSEI ASB MACHINE CO., LTD.
- Applicant Address: JP Nagano
- Assignee: NISSEI ASB MACHINE CO., LTD.
- Current Assignee: NISSEI ASB MACHINE CO., LTD.
- Current Assignee Address: JP Nagano
- Agency: GREENBLUM AND BERNSTEIN, P.L.C.
- Priority: JP2019-121680 20190628
- International Application: PCT/JP2020/025173 WO 20200626
- International Announcement: WO2020/262595 WO 20201230
- Main IPC: B29C45/16
- IPC: B29C45/16 ; B29C45/14 ; B29C49/00 ; B29L9/00
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.
Public/Granted literature
Information query
