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2 641 959

(13)

(51)

IPC

B64C1/06(2006-01-01)

B64C3/18(2006-01-01)

B32B1/00(2006-01-01)

(21) (22)

Application

2013128408, 2013-06-21

(24)

Start date

2013-06-21

(22)

Actual filing date

2013-06-21

(45)

Published

2018-01-23

(72)

Inventor

Pirson Stiven I.Uitmer Mettyu M.Dikson Rebekka M.Firko Dzhejson L.Marsiniak Duglas G.Kominski Kennet D.Endryus Martin G.

(73)

Holder

Ze Boing Kompani

COMPOSITE HAT-SHAPED STIFFENING CROSS-SECTION, COMPOSITE STIFFENED HAT-SHAPED CROSS-SECTION OF PRESSURE BULKHEADS AND METHODS OF THEIR MANUFACTURE Russian patent published in 2018 - IPC B64C1/06 B64C3/18 B32B1/00

Abstract RU 2641959 C2

FIELD: technological processes.

SUBSTANCE: composite hat-shaped stiffening cross-section comprises of a composite hat-shaped portion having the first side and the second side, a plurality of composite stiffening layers, a pair of noodle-shaped radius fillers connected to the composite hat-shaped portion and interposed between the plurality of composite stiffening layers and an outer layer connected to the second side of the composite hat-shaped portion. The plurality of layers includes a primary layer connected to the first side of the composite hat-shaped portion, a wrapping layer connected to the primary layer and a base layer connected to the primary layer and the wrapping layer.

EFFECT: reduction of tearing load, increase of structural stability.

15 cl, 14 dwg

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RU 2 641 959 C2

Authors

Pirson Stiven I.

Uitmer Mettyu M.

Dikson Rebekka M.

Firko Dzhejson L.

Marsiniak Duglas G.

Kominski Kennet D.

Endryus Martin G.

Dates

2018-01-23—Published

2013-06-21—Filed