Apparatus for the manufacture of fibrous webs with helical rotor

Details Apparatus for the manufacture of fibrous webs with helical rotor Apparatus for the manufacture of fibrous webs with helical rotor

1985-08-30

1986-12-09

Czaja, Donald

Plastic article or earthenware shaping or treating: apparatus

Air felting type shaping means

Means forming running length product

264114, 264121, 264518, B28B 500

Patent

active

046278060

ABSTRACT:
An apparatus for the manufacture of fibrous webs comprises a forming wire and a distributor for depositing dry fibers on the wire. The distributor comprises at least one cylindrical chamber having its axis extending transversely of and in a plane parallel to the wire. The lower semicylindrical wall of the chamber is perforate for distributing fibers on the wire and the upper semicylindrical wall includes a fiber inlet. A helically bladed rotor in the chamber has its axis substantially coincident with the chambers axis of curvature, and upon rotation operates to drive fibers through the screen while evenly distributing them across the wire. Disposition of a pair of chambers in tandem with a common central fiber inlet operates further to create a racetrack fiber distribution across the wire.

REFERENCES:
patent: 2931076 (1960-04-01), Clark
patent: 3644078 (1972-02-01), Tachibana et al.
patent: 3645457 (1972-02-01), Greten et al.
patent: 3680175 (1972-08-01), Kamp et al.
patent: 3984898 (1976-10-01), Matsumura et al.
patent: 4144619 (1979-03-01), White et al.
patent: 4169699 (1979-10-01), Werner
patent: 4264289 (1981-04-01), Day
patent: 4335066 (1982-06-01), Dinius
patent: 4352649 (1982-10-01), Jacobsen et al.
patent: 4375447 (1983-03-01), Chung
patent: 4389175 (1983-06-01), Sakschek

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