Head box for a paper making machine

Details Head box for a paper making machine Head box for a paper making machine

1978-05-23

1980-04-15

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

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

162216, D21F 102, D21F 106

Patent

active

041982703

ABSTRACT:
The head box has a plurality of distribution pipes for delivering pulp with each distribution pipe communicating via a plurality of feed pipes with a row of flow ducts in a block having a plurality of rows of flow ducts. The feed pipes have equal flow resistance and each has a pin-shaped part at the inlet end which acts to anchor the feed pipe in place. Each pin-shaped part also carries a cam which projects into a distribution pipe to keep the inlet to the respective feed pipe free of fibers.

REFERENCES:
patent: 3385754 (1968-05-01), Burgess, Jr.
patent: 3769155 (1975-10-01), Schiel
patent: 3909349 (1975-09-01), Stotz et al.
patent: 3962031 (1976-06-01), Bubik et al.
patent: 4070238 (1978-01-01), Wahren

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