Apparatus for needling a circular nonwoven web

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

1995-04-18

1996-05-07

Calvert, John J.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

28114, D04H 1800, D04H 310

Patent

active

055134238

ABSTRACT:
The described apparatus for needling a circular nonwoven web, particularly a nonwoven web having the configuration of a circular ring, comprises a needle board, which carries a multiplicity of needles and is adapted to be driven to reciprocate said needles in a predetermined piercing direction. The apparatus also comprises a turntable (1), which comprises a web support that is adapted to support the nonwoven web. The needle board is provided with needles only in at least one sector-shaped region, which has the configuration of a sector with respect to the axis of rotation of the turntable.

REFERENCES:
patent: 5153970 (1992-10-01), Konig
patent: 5323523 (1994-06-01), Lawton et al.
patent: 5388320 (1995-02-01), Smith et al.

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