Preform forming and curing process and an apparatus for the proc

Details Preform forming and curing process and an apparatus for the proc Preform forming and curing process and an apparatus for the proc

1992-08-06

1993-06-08

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Bulk deposition of particles by differential fluid pressure

264121, 425 801, B27N 304

Patent

active

052176720

ABSTRACT:
A preform (11) is formed from sprayed binder and chopped fibers from respective nozzles (21) and (18) onto a foraminous screen (14). A plurality of nozzles (33) are circumferentially spaced about nozzles (21) and (18) and provide heated air to cure the binder. The nozzles (18),(21), and (33) are affixed to each other and are mounted onto a gantry (32) for relative motion with respect to the screen (14). The heated air cures the preform (11) simultaneously with it formation.

REFERENCES:
patent: 3177275 (1965-04-01), Brenner
patent: 3544414 (1970-12-01), Simison
patent: 3844751 (1974-10-01), Stewart
patent: 4140450 (1979-02-01), Pfeifer et al.
patent: 4865788 (1989-09-01), Davis
patent: 5034181 (1991-07-01), Billiu
patent: 5041260 (1991-08-01), Johnson et al.
patent: 5057166 (1991-10-01), Young, Sr. et al.
patent: 5093059 (1992-03-01), Nathoo et al.

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