Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Conveying or aligning particulate material
Patent
1998-04-15
1999-12-21
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Conveying or aligning particulate material
20415742, 264442, 264443, 264108, 4251742, B29B 1308, B06B 300
Patent
active
060044993
ABSTRACT:
Standing planar compression waves are used to control the spacing and alignment of previously randomly distributed and randomly oriented loose fibrous elements in a fluid medium. A relatively intense standing planar compression wave comprising the superposition of multiple planar compression waves travelling in opposite directions is established between a pair of emitter/reflector surfaces working in concert. The fibrous elements gravitate to the nodes of the standing waves and align themselves parallel to the emitter/reflector surface of the transducer. The composite material may be solidified by cooling (or other process), which freezes the fibrous elements in an aligned array, thereby effecting the directional dependency of various structural properties of the composite material (including compression strength, tensile strength, and modulus of elasticity).
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Bishop Richard P
Face Bradbury R
Clark Stephen E.
Face International Corporation
Vargot Mathieu D.
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