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

US9505181B2 · kind B2 · utility

Assignee

• Kraussmaffei Technologies GMBH · DE

Inventors

• Josef Renkl · Markt Indersdorf, DE
• Stefan Ehrlicher · Hersbruck, DE

Key dates

• Filing date: Aug 13, 2013
• Grant date: Nov 29, 2016
• Expiry date: Aug 13, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29L2009/00
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

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.