Invention Grant
- Patent Title: Method for producing composite material components made of plastic by a process of high-pressure resin transfer molding and pertaining tool for high-pressure resin transfer molding
- Patent Title (中): 通过高压树脂传递模塑法制造由塑料制成的复合材料部件的方法和用于高压树脂传递模塑的工具
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Application No.: US14436772Application Date: 2013-08-13
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Publication No.: US09505181B2Publication Date: 2016-11-29
- Inventor: Josef Renkl , Stefan Ehrlicher
- Applicant: KraussMaffei Technologies GmbH
- Applicant Address: DE München
- Assignee: KRAUSMAFFEI TECHNOLOGIES GMBH
- Current Assignee: KRAUSMAFFEI TECHNOLOGIES GMBH
- Current Assignee Address: DE München
- Agency: Henry M. Feiereisen LLC.
- Priority: DE102012110307 20121029
- International Application: PCT/EP2013/066850 WO 20130813
- International Announcement: WO2014/067682 WO 20140508
- Main IPC: B29C70/48
- IPC: B29C70/48 ; B29C33/00 ; B29C33/10 ; B29C45/02 ; B29C45/27 ; B29C45/34 ; B29C45/64 ; B29C70/54 ; B29L9/00

Abstract:
In a method for producing a shaped part, a closing movement is executed by displacing at least one of two mold halves of a high-pressure resin transfer tool from an open position into a pre-closure position of the resin transfer tool such that an opening gap between the mold halves is sealed air-tight by a sealing device of the resin transfer tool to thereby enclose a cavity. The cavity is evacuated by pumping air out of the cavity, and the closing movement is continued by displacing at least one of the two mold halves from the pre-closure position into a final closure position, in which the mold halves are sealed against one another by a further sealing device to allow filling of the cavity, enclosed by the two mold halves, with resin without leakage during a high-pressure resin transfer molding process.
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