Invention Application
- Patent Title: INTERNAL GAS PRESSURE METHOD FOR PRODUCING PLASTIC PARTS
- Patent Title (中): 用于生产塑料零件的内部气体压力方法
-
Application No.: US13328295Application Date: 2011-12-16
-
Publication No.: US20120319334A1Publication Date: 2012-12-20
- Inventor: Andreas Praller , Mikael Orsén , Marcel Op de Laak
- Applicant: Andreas Praller , Mikael Orsén , Marcel Op de Laak
- Priority: DE102011008260.3 20110111; EP11003092.1 20110412
- Main IPC: B29D22/00
- IPC: B29D22/00
Abstract:
A method for producing a molded part, wherein a molten polymer is introduced into a mold space of a molding tool and liquid carbon dioxide with a pressure of at least 160 bar, preferably with a pressure of at least 200 bar or at least 250 bar is supplied to the mold space, whereby the polymer is pressed against the walls of the mold space and a space is formed in the polymer.
Information query
