MANUFACTURING METHOD OF CELLED HONEYCOMB FILLER FROM COMPOSITE MATERIALS Russian patent published in 2017 - IPC B32B3/12 B29C43/30 B29D25/00 

Abstract RU 2623781 C2

FIELD: construction.

SUBSTANCE: prepreg is laid up between the forming elements and it is formed under pressure with subsequent curing. The forming element is made of elastic poroelastic material with a Poisson ratio close to 0.5. Its volume must be sufficient to fill the internal volume of the formed cell. The method allows to form simultaneously layers of two-, three-layer panels and produce a celled filler of arbitrary shape with variable cell size.

EFFECT: creation of the maximum contact area between the bonded prepreg surfaces and uniform pressure on the formed cell in all directions.

4 cl, 3 dwg

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RU 2 623 781 C2

Authors

Drondin Aleksej Viktorovich

Zernov Oleg Dmitrievich

Yanchur Sergej Viktorovich

Dates

2017-06-29Published

2015-11-11Filed