Title:
【発明の名称】包装材料に刻み目を付与する方法
Document Type and Number:
Japanese Patent JP2522553
Kind Code:
B2
Abstract:
A method of providing score lines in packaging material (2) by local evaporation by means of a laser beam (9, 10), the laser beam (9, 10) and the packaging material (2) being relatively movable. The score lines are provided in a recurring pattern on at least one side of a web of packaging material advancing at uniform, adjustable speed. The intensity of the laser beam is adjustable and the laser beam is moved in two mutually perpendicular directions under the control (12) of pattern-dependent signals.
Inventors:
GERUTO YAN FUIJINGA
Application Number:
JP23452689A
Publication Date:
August 07, 1996
Filing Date:
September 07, 1989
Export Citation:
Assignee:
ERU PEE EFU FUERUPATSUKINGEN BV
International Classes:
B23K26/08; B65B61/18; B23K26/40; B29C59/00; B29C65/00; B29C65/16; B31B50/25; B65B61/02; B29C35/08; B29C37/00; (IPC1-7): B31B1/25
Domestic Patent References:
| JP63108987A | ||||
| JP5786929U |
Other References:
【文献】米国特許4549063(US,A)
Attorney, Agent or Firm:
Nishikyo Keiichiro