Pneumatic tow blooming process

Details Pneumatic tow blooming process Pneumatic tow blooming process

1982-03-19

1984-03-06

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

28283, 156441, D01D 1102

Patent

active

044352395

ABSTRACT:
Process for treatment of crimped filter tow in preparation for forming tobacco smoke filter rods and including steps of separating and blooming the crimped filter tow into a wide, flat, well-opened low density tow, uniformly applying plasticizer to both sides of and through the tow across the width thereof, and then squeezing the tow and spreading the plasticizer more uniformly on the filaments of the tow; and a jet and improved bustle tow blooming apparatus, the jet and bustle apparatus both being rectangular-shaped and the bustle apparatus having vented outlets through which the gases confined with the tow escape causing separation and blooming of the tow prior to its exit from the bustle apparatus.

REFERENCES:
patent: 2908045 (1959-10-01), Stevens
patent: 3017309 (1962-01-01), Crawford et al.
patent: 3050430 (1962-08-01), Gallagher
patent: 3079663 (1963-03-01), Dyer et al.
patent: 3258823 (1966-07-01), Stevens et al.
patent: 3262178 (1966-07-01), Aspy, Jr. et al.
patent: 3262181 (1966-07-01), Hawkins et al.
patent: 3413698 (1968-12-01), Fritz et al.
patent: 3960645 (1976-06-01), Brackmann et al.

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