Patent ID: 9505181
Filing Date: 2016-11-29
CPC Classification: B29C,B29K,B29L

Claim Text:
1. A method for producing a shaped part, comprising the following steps: executing a closing movement 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 second sealing device of the resin transfer tool to thereby enclose a cavity; evacuating the cavity by pumping air out of the cavity; continuing the closing movement by displacing at least one of the two mold halves from the pre-closure position into a final closure position with introducing a resin into a closed cavity, in which the mold halves are sealed against one another by a first sealing device to allow filling of the cavity, enclosed by the two mold halves, with the resin without leakage during a high-pressure resin transfer molding process, wherein in the pre-closure position the first sealing device does not seal one of the mold halves relative to another one of the mold halves, wherein the first sealing device is a flat circumferential strip arranged on one of the two mold halves and closer to the cavity, while the second sealing device is a circumferential sealing strip located farther from the cavity and including a first elastic section having a first hollow chamber and inserted into a groove of the one of the mold halves and a connected second elastic section having a second hollow chamber and in the open position projecting completely out of the groove in a direction of another one of the mold halves, and the second sealing device in the pre-closure position lies against the another one of the mold halves in an air-sealing manner and is compressible such that in the final closure position the first sealing device is applied against the another of the mold halves in a sealing manner to provide filling of the resin without leakage.