Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Producing or treating inorganic hydro-settable material
Patent
1995-04-26
1997-05-13
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Producing or treating inorganic hydro-settable material
264439, 264440, 264 85, 264108, B28B 152, B28B 502
Patent
active
056289553
ABSTRACT:
A central supervisor controls a manufacturing process fabricating fibrous, cementitious structural products requiring very small dimensional tolerance, high strengths, controlled reinforcement alignments, multiple undercuts, and complex shapes not possible using casting, forming, or extrusion. The process uses electrical and magnetic fields to align and direct free floating, cement coated, magnetic, and nonmagnetic fibers, filaments, and elongated fragmented particles onto moving shaping devices. These devices have magnetized shaping tool surfaces to receive aligned materials in layers parallel, perpendicular, and angular to shaping surfaces. Controlled materials, cement, setting agents, magnetic fluxes, and electrical charges make possible better bonding of cements with materials and consolidation of nonplastic matrices. Sliding, and rotating shaping tools make multiple undercuts on faces and edges of the products. When the cement has set shaping tools are removed by pistons and rotors and products are detached from the shaping devices by magnetic force.
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