Apparatus for needling a nonwoven web

Details Apparatus for needling a nonwoven web Apparatus for needling a nonwoven web

1988-07-08

1989-08-15

Mackey, Robert R.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

28109, D04H 1800

Patent

active

048561525

ABSTRACT:
An apparatus for needling a nonwoven web comprises a needle carrier, which is adapted to be driven, and a bedplate and a stripper for guiding the web between them. In order to impart a pure rotary motion to the needle carrier, the needle carrier consists of a roller and is adapted to rotate about its own axis and to revolve in the opposite sense about an axis of revolution which is parallel to the axis of the roller so that each needle describes a hypocycloidal path.

REFERENCES:
patent: 232962 (1880-10-01), Harrington
patent: 3208125 (1965-09-01), Hall et al.
patent: 3372447 (1968-03-01), Williams et al.
patent: 3890681 (1975-06-01), Fekete et al.

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