Apparatus for applying a nonwoven web to a carrier web moving in

Details Apparatus for applying a nonwoven web to a carrier web moving in Apparatus for applying a nonwoven web to a carrier web moving in

1991-06-18

1993-03-16

Yost, Frank T.

Cutting

With means to monitor and control operation

Including means to correct the sensed operation

83425003, 83435002, 83649, 83937, 242 56002, 242 75052, B26D 500, B65H 23192

Patent

active

051934248

ABSTRACT:
In an apparatus for applying a nonwoven web to a carrier web moving in the same direction, it is to be ensured that the nonwoven web has straight longitudinal edges as it is applied to the carrier web. This is accomplished in permitting the unwound nonwoven web to sag freely in a slack loop between the unwinding station and a feeding conveyor which precedes the edge-trimming device. The velocities of conveyance of the feeding conveyor and of the take-off rolls have a predetermined ratio in dependence on the velocity of the receiving surface on which the carrier web receives the nonwoven web and are controlled in such a manner that the nonwoven web will be subjected to a predetermined tensile stress between the take-off rolls and the carrier web.

REFERENCES:
patent: 2309045 (1943-01-01), Clayton, Jr.
patent: 2379132 (1945-06-01), Cook
patent: 2707027 (1955-04-01), Brown
patent: 3072309 (1963-01-01), Hill
patent: 3156426 (1964-11-01), Brock
patent: 3755861 (1973-09-01), Castro et al.
patent: 3782649 (1974-01-01), Frederick et al.
patent: 3785232 (1974-01-01), Frye et al.
patent: 4384665 (1983-05-01), Waddington
patent: 4700598 (1987-10-01), Gerber

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