Stock material or miscellaneous articles – Structurally defined web or sheet – Including grain – strips – or filamentary elements in...
Patent
1996-01-22
1999-03-30
Chen, Vivian
Stock material or miscellaneous articles
Structurally defined web or sheet
Including grain, strips, or filamentary elements in...
428137, 428196, 428197, 428198, 428373, 428374, 428375, 428378, 428392, 428394, 428408, 442189, 442192, 442197, 442198, 442199, 442200, 442217, 442239, 442240, 442246, 442255, 442308, 442309, 442310, 442311, 442318, 156148, 156311, 1563082, 1563084, B32B 508, B32B 510, B32B 512, B32B 526
Patent
active
058886095
ABSTRACT:
A planar porous composite structure including a plurality of regular textile planar layers formed of continuous yarns. The layers are placed on top of each other to form a structure having two dimensions at right angles to each other and a third dimension perpendicular to them and defining a plane having a direction along the two dimensions. A plurality of openings extends through the layers. Each opening is defined by portions of the continuous yarns extending substantially in the direction of the plane and existing in the regular textile planar layers to make the planar layers regular in structure prior to placing them on top of each other. A plurality of passages extends entirely through the structure in a direction substantially perpendicular to the plane of the structure. The continuous yarns comprise both reinforcing fibers which form a reinforcing structure and a matrix material which forms a matrix which binds the layers together and also binds the portions of continuous yarns defining the openings together, thereby forming the passages and stiffening the structure.
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Karttunen Mikko
Suokas Esa
Chen Vivian
Valtion teknillinen tutkimuskeskus
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