Electrostatic dry former

Details Electrostatic dry former Electrostatic dry former

1977-02-28

1979-06-05

Lake, Roy

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Electro-static or inductive field

19296, 264 26, 425224, 425232, 425363, B29C 2300

Patent

active

041572360

ABSTRACT:
A method and apparatus for dry forming a paper, or other nonwoven web, from fibers or fiber flocs. The flocs or bundles are exposed to an oscillating electrostatic field, the resultant mechanical agitation shakes individual fibers loose, which then fall through a screening wire onto a moving forming wire. At a station downstream from the forming section a binder is applied. After appropriate conditioning, the newly formed web is picked off for further processing.

REFERENCES:
patent: 2116942 (1938-05-01), Formhals
patent: 3864066 (1975-02-01), Gerhardt

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