DEVICE FOR FORMING DETAILS FROM COMPOSITE MATERIAL (VARIANTS) AND LOCKING ELEMENT OF VACUUM BAG Russian patent published in 2018 - IPC B29C70/44

Abstract RU 2658043 C1

FIELD: technological processes.

SUBSTANCE: invention relates to the field of manufacturing details from polymer composite materials (composites, composite materials), namely, transfer molding (RTM) devices, in particular for vacuum impregnation with a liquid binder (VaRTM) using a vacuum bag, as well as a lock for such a bag, and can be used in aircraft construction, automotive industry, wind power, shipbuilding, and also in other areas of industry. Device for forming details from a composite material comprises a vacuum bag or film, a profiled locking element, a tooling with a retentive locking groove of a similar profile, and a vacuum system. Locking element is made in the form of a profiled tape, on the underside of which a fixing and sealing protrusion is formed. Inside the sealing protrusion, a channel is provided for supplying the medium under pressure. Equipment is equipped with a retention groove of a similar profile.

EFFECT: invention makes it possible to increase the reliability of fixing the vacuum bag film.

3 cl, 2 dwg

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RU 2 658 043 C1

Authors

Shrejber Aleksandr Evgenevich

Fedosov Artem Aleksandrovich

Dates

2018-06-19—Published

2017-10-03—Filed