DEVICE FOR FORMING PERFORATION TO MOVING BAND MATERIAL

Title:

DEVICE FOR FORMING PERFORATION TO MOVING BAND MATERIAL

Document Type and Number:

Japanese Patent JPS589784

Kind Code:

A

Abstract:

The apparatus for perforating a strip 13 of wrapping material for rod-shaped articles of the tobacco processing industry consists of a radiation head 41a, 41b, 41c for focusing a coherent radiation (Laser) into the plane of running of a strip 13 of wrapping material and of a cover plate 48 which is spaced apart from and is located in front of the radiation head to constitute a guide for sliding movement of the strip of material. The cover plate has openings which constitute slots 79, which are disposed in the path of coherent radiation and which extend in the direction of movement of the strip of material. A gas stream is conveyed between the cover plate and the radiation head.

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Inventors:

PEETAA PINKU
ERUKE KEERAA

Application Number:

JP962782A

Publication Date:

January 20, 1983

Filing Date:

January 26, 1982

Export Citation:

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Assignee:

HAUNI WERKE KOERBER & CO KG

International Classes:

A24C5/00; B23K26/067; B23K26/00; B23K26/08; B23K26/14; B23K26/142; B23K26/38; B23K26/382; B23K26/40; (IPC1-7): B23K26/00; B23K26/14

Attorney, Agent or Firm:

Toshio Yano

Next Patent: LASER WORKING DEVICE