METHOD OF FABRICATING SECTION FROM COMPOSITE FIBROUS MATERIAL Russian patent published in 2013 - IPC B29C70/44 

Abstract RU 2482965 C2

FIELD: process engineering.

SUBSTANCE: invention relates to production of sections from fibrous composite material to be used in aircraft and aerospace engineering. Proposed method comprises the following steps. First, workpiece made from, in particular, impregnated fibrous material is packed in vacuum bag. Then, workpiece support elements are placed thereon. Then, vacuum is created in said bag. Now, workpiece is hardened by heat, in particular, in autoclave for making the section. In compliance with this invention, aforesaid support elements are, preferably, made from aluminium instead of expensive steel H36 since said elements are mechanically separated by vacuum bag from workpiece along lengthwise axis that allows displacement of support elements there along relative to work piece.

EFFECT: higher efficiency.

3 cl, 4 dwg

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RU 2 482 965 C2

Authors

Lengsfel'D Khauke

Krujs Vol'Fgang

Brandenburg Roland

Shreder Rene

Markvardt Khans

Dates

2013-05-27Published

2008-11-07Filed