Method and apparatus for the manufacture of filter rods containi

Details Method and apparatus for the manufacture of filter rods containi Method and apparatus for the manufacture of filter rods containi

1975-05-15

1976-05-18

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Indefinite or running length flexible strand, rod, tube, or...

93 77FT, 156512, 156553, A24C 550

Patent

active

039575632

ABSTRACT:
Method and apparatus for forming filter rods containing particulate material. The method is characterized by providing a filter rod of filtering material having a longitudinal axis and cutting that rod in the direction of the axis, exposing the interior of the rod, providing pockets at axially spaced intervals in the interior of the rod, depositing particulate material therein and closing and sealing the rod. The apparatus disclosed includes means for transporting a filter rod, a cutting wheel for severing the rod in the direction of its longitudinal axis, hot die means for impressing pockets within the interior of the split rod, means for depositing particulate material in the formed pockets and means for closing the rod about the particulate material and sealing the split rod.

REFERENCES:
patent: 3371000 (1968-02-01), Davenport et al.
patent: 3743528 (1973-07-01), Calleson
patent: 3762281 (1973-10-01), Burrus et al.
patent: 3837264 (1974-09-01), Sextone
patent: 3844200 (1974-10-01), Sextone
Hawkins et al, Def. Pub., T860013, Mar. 1969, 156-180.

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