Tobacco – Cigar or cigarette making – Including perforating
Patent
1990-10-26
1992-04-14
Millin, V.
Tobacco
Cigar or cigarette making
Including perforating
131282, 2191217, 21912177, B23K 2600, A24C 560
Patent
active
051038412
ABSTRACT:
An apparatus according to the present invention, which is used to form a large number of fine pores in the peripheral surface of each of cylindrical articles, such as cigarettes, by means of a laser beam, comprises first and second perforating disks. A plurality of retaining arms are arranged on the respective peripheral edges of these perforating disks. The cylindrical articles are held by means of these arms, and are caused to move around the disks and rotate around their own axes. The cylindrical articles are alternately supplied half and half to the two perforating disks by means of two intermediate supply rollers. Beamsplitters are located individually in the respective central portions of the perforating disks. The laser beam emitted from a laser source is split into two beam halves by means of a pre-beamsplitter, and these beam halves are delivered individually to the beamsplitters. The beam halves delivered to these beamsplitters are radially split over a range of about 180.degree., and the split beams are applied to the cylindrical articles held by means of the retaining arms.
REFERENCES:
patent: 4121595 (1978-10-01), Heitmann et al.
patent: 4720619 (1988-01-01), Mattei et al.
patent: 4767909 (1988-08-01), Okumoto
patent: 4860773 (1989-08-01), Okumoto et al.
patent: 4916272 (1990-04-01), Okumoto et al.
Furukawa Takao
Kakiuchi Makoto
Okumoto Yutaka
Sato Shuichi
Doyle J.
Japan Tobacco Inc.
Millin V.
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