COMPOSITE PANEL WITH PERFORATED INNER LAYER, DEVICE AND METHOD FOR ITS PRODUCTION Russian patent published in 2013 - IPC B32B5/28 B32B7/12 B32B38/04

Abstract RU 2499672 C2

FIELD: process engineering.

SUBSTANCE: invention relates to composites, particularly, to composite panel with perforated inner layer and to its production. It comprises two fibrous layer and inner layer arranged in mid space located between these layers and material bonded therewith appropriate hardening binder. Inner layer has recesses made in at least one of its sides to take up said hardening binder.

EFFECT: strong composite panels.

23 cl, 7 dwg

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RU 2 499 672 C2

Authors

Le Rua Gi

Romigu Zhill'

Dates

2013-11-27—Published

2009-03-24—Filed