Method for improving consolidation of powder resin

Details Method for improving consolidation of powder resin Method for improving consolidation of powder resin

1996-05-20

1998-09-29

Teskin, Fred

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Using sonic, supersonic, or ultrasonic energy

264442, 264489, 264492, 26433111, 26433117, 264345, 528502R, 528502C, 528503, B29B 910

Patent

active

058142665

ABSTRACT:
A method for improving consolidation of powder resin is provided. The method broadly includes the steps of: (1) sorting particles of the powder resin according to their diameter; (2) combining the sorted particles having a first diameter D1 with the sorted particles having a second diameter D2 so as to form a particle mixture; (3) applying a vibration to the particle mixture; (4) heating the particle mixture; and (5) delivering the particle mixture through a nozzle or into a mold. The particle diameters D1 and D2 are chosen so that once combined there is optimal close packing of the three-dimensional spaces between the powder resin particles.

REFERENCES:
patent: 3846522 (1974-11-01), Goldman
patent: 3975481 (1976-08-01), Baumgaertner
patent: 4014965 (1977-03-01), Stube et al.
patent: 4436682 (1984-03-01), Knopp
patent: 5017311 (1991-05-01), Furusawa et al.
patent: 5026511 (1991-06-01), Sano et al.
patent: 5096654 (1992-03-01), Craggs et al.
patent: 5494629 (1996-02-01), Gorden et al.

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