Apparatus for manufacturing cigarette filter

Details Apparatus for manufacturing cigarette filter Apparatus for manufacturing cigarette filter

1989-02-21

1990-07-24

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Cigarette filter making

With shaping or compacting of filter material

493 44, 493 48, 131 94, 131282, A24C 528

Patent

active

049432729

ABSTRACT:
A filter-manufacturing apparatus comprises a cutting drum, which has transporting grooves and adapted to receive filter rods having a prescribed length. An annular slit is formed in the circumference of the cutting drum. A circular cutting blade extends into the annular slit in a rotatable manner. A rod-shaped stopper is movably arranged in each transporting groove, and the distance between each stopper and the annular slit is adjustable such that it corresponds to the length of a filter plug to be cut from a filter rod. The cutting drum comprises a pushing mechanism for moving the filter rod along the transporting groove against the stopper by jetting air, whereby the filter rod is cut by the cutting blade, with its one and abutting against the stopper. A receiving drum with receiving grooves is in rolling contact with the cutting drum. The receiving drum rotates such that the receiving grooves come into alignment with the transporting grooves of the cutting drum. The receiving drum is provided with a transfer mechanism. This transfer mechanism sucks only the filter plug cut from the filter rod held in the transporting groove and transfers it into the receiving groove. The transfer mechanism causes the remaining part of the filter rod to be held in the transporting groove, in order for the remaining part to be carried again to the cutting blade with the rotation of the cutting drum.

REFERENCES:
patent: 3158251 (1964-11-01), Skala et al.

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