Method and apparatus for the production of filter plugs

Details Method and apparatus for the production of filter plugs Method and apparatus for the production of filter plugs

1970-01-19

1976-07-27

Engle, Samuel W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

93 1C, 156187, 156229, 156495, 156543, 425831, B31F 100

Patent

active

039716953

ABSTRACT:
Apparatus for making filter plugs wherein the extent to which the tow is stretched or the rate of transport of a uniformly stretched tow to the wrapping mechanism is controlled by a testing unit which determines the resistance of filter plugs to axial flow of air therethrough. Alternatively, the speed of the garniture belt in the wrapping mechanism is regulated as a function of changes in resistance to flow of testing air transversely across successive increments of a uniformly stretched tow.

REFERENCES:
patent: 2757495 (1956-08-01), Reichel
patent: 3164069 (1965-01-01), Wilkie et al.
patent: 3230125 (1966-01-01), Hicks
patent: 3395570 (1968-08-01), Kochalski
patent: 3399606 (1968-09-01), Molins

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