PRESSURE MAINTENANCE DEVICE FOR MAKING COMPOSITE COMPONENTS BY INJECTION OF POLYMER AND COUPLED METHOD Russian patent published in 2016 - IPC B29C70/48 

FIELD: metallurgy; technological processes.

SUBSTANCE: invention relates to a device maintaining pressure for casting system polymer, polymer and casting system to a method of casting polymer. Device comprises first chamber, connected to create pressure and to create vacuum. Second chamber is made with possibility of connection to network pipelines for polymer injection system by means of pipes for inlet of polymer and polymer tube. First chamber and the second chamber are arranged so that leakage from one to another is impossible. Flexible body is configured to transfer pressure from the first chamber into the second chamber for pressure application to network pipelines of casting. Perforated rigid plate is configured to limit deformation of flexible body in creating vacuum in the first chamber.

EFFECT: higher quality of finished articles.

11 cl, 8 dwg