Method and machine for making filter rod sections for cigarettes

Details Method and machine for making filter rod sections for cigarettes Method and machine for making filter rod sections for cigarettes

1982-06-29

1984-12-04

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Cigarette filter making

242131, 493 9, 493 16, 493 24, 493 45, 493 49, A24C 550

Patent

active

044861869

ABSTRACT:
The trailing end of a running tow of filamentary filter material in a filter rod making machine is spliced to the leader of a fresh tow, and the splice is held at a preselected location ahead of the first tow treating station in the machine. An optoelectric or pressure-responsive detector generates a signal when the splice advances beyond such location on expiry of the running tow, i.e., when the second tow begins to advance through the machine. The signal is used to reduce the speed of the prime mover of the machine during travel of the splice therethrough, to increase the width of passages which are defined for the tow by the banding, spreading, stretching, plasticizer-applying and/or other units for the tow so that the splice can readily advance therethrough, and/or to effect automatic segregation of those filter rod sections which contain portions of the splice.

REFERENCES:
patent: 1459694 (1923-06-01), Reiners
patent: 3818809 (1974-06-01), Sylvester
patent: 3971695 (1976-07-01), Block
patent: 3974007 (1976-08-01), Greve
patent: 4175479 (1979-11-01), Roullier
patent: 4283998 (1981-08-01), Greve et al.
patent: 4396168 (1983-08-01), Hilt et al.

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