Textiles: fiber preparation – Stapilizing – With stapled fiber overlapping
Patent
1981-02-17
1982-10-26
Rimrodt, Louis
Textiles: fiber preparation
Stapilizing
With stapled fiber overlapping
19 06, 19305, 83913, D04H 100
Patent
active
043554385
ABSTRACT:
The apparatus includes an air temperature and humidity control chamber, a chopper room, strand choppers in the chopper room, a first controllable pitch fan having an inlet connected to the temperature and humidity control chamber and an outlet connected to the chopper room, a forming hood beneath the choppers, an endless conveyor chain beneath the forming hood, a chopped strand collecting chamber for collecting chopped strands which happen to pass through the conveyor chain, a suction chamber disposed beneath an upper flight of the conveyor chain and partitioned into a plurality of sections each having an inlet communicating with the forming hood through the conveyor chain and being provided with nozzle-forming downstream convergent baffle plates therein and an outlet communicating with the chopped strand collecting chamber through a duct having an adjustable damper therein securable in an adjusted position, a second controllable pitch fan having an inlet connected to the chopped strand collecting chamber and an outlet connected to the temperature and humidity control chamber, a static pressure sensor in the forming hood, and means for controlling the pitch of the fan blades in accordance with the static pressure in the forming hood.
REFERENCES:
patent: 2719336 (1955-10-01), Stotler
patent: 2729028 (1956-01-01), Slayter et al.
patent: 3025197 (1962-03-01), Sheidley
patent: 3124844 (1964-03-01), Constantine et al.
patent: 4106163 (1978-08-01), Desverchere
patent: 4175939 (1979-11-01), Nakazawa et al.
Dunn Michael P.
Patterson John L.
Reeves, Jr. James E.
Cloutier Philip R.
Hudgens Ronald C.
Owens-Corning Fiberglas Corporation
Rimrodt Louis
Rose Paul J.
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