No-box system with booster head spray for delivering paper stock

Details No-box system with booster head spray for delivering paper stock No-box system with booster head spray for delivering paper stock

1989-07-17

1991-03-12

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162339, D21F 100

Patent

active

049990888

ABSTRACT:
In the absence of the conventional stock feeding box the stock is conducted down through a feed pipe to a nozzle which directs the stock onto a wire belt. The nozzle may be directed in a different direction from the movement of the belt so that shear occurs at the delivery point to the benefit of the finished product. From the preliminary belt or "wire", the stock is delivered to a paper machine. In one embodiment the fibers are conducted dry to the belt and a cooperating "dwarf" wire presses the dry stock into a sheet. Booster heads are used to direct additional feed in a way which intercepts the main feed and breaks up micro-agglomerates. In one version the wire is stationary and the feed nozzle moves.

REFERENCES:
patent: 2904461 (1959-09-01), Washburn et al.
patent: 3092538 (1963-06-01), Parker
patent: 4152202 (1979-05-01), Deligt
patent: 4361467 (1982-11-01), Bubik
patent: 4885060 (1989-12-01), Beran et al.

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