Process for making a batt of modified basis weight profile and l

Details Process for making a batt of modified basis weight profile and l Process for making a batt of modified basis weight profile and l

1977-06-08

1978-08-22

Newton, Dorsey

Textiles: fiber preparation

Assembling

Formed web

5337, D04H 100

Patent

active

041078225

ABSTRACT:
A batt is produced by cross lapping a web onto a conveyor moving laterally to the direction of web laydown to form partially overlapping folds. The length of the cross lapping motion is varied in a programmed cycle to produce a modified basis weight profile in cross sections of the batt. The conveyor speed is adjusted to provide a uniform basis weight profile along any section taken lengthwise of the batt. The process is useful for improving batt lengthwise uniformity while providing different basis weights at different distances from the sides of a batt.

REFERENCES:
patent: 2387150 (1945-10-01), Hlavaty
patent: 3753263 (1973-08-01), Willis
patent: 3797074 (1974-03-01), Zafiroglu
patent: 3903568 (1975-09-01), Watson

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