LASER ENGRAVING DEVICE, LASER ENGRAVING METHOD, AND DEVICE AND METHOD FOR MANUFACTURING CAN LID HAVING TAB

WIPO Patent Application WO/2020/189276

A1

The purpose of the present invention is to enable molding of an engraved molding subject at high productivity when performing variable engraving, for each molding subject, on a coil material supplied to a press for molding part of a can. This laser engraving device performs laser engraving on a coil material supplied to a press for molding part of a can, wherein: the laser engraving device comprises a feeding mechanism that sends the coil material at a set speed, a laser head that irradiates the coil material sent at the set speed with laser light and performs engraving for each molding subject, and a data communication unit that switches engraving data of the laser head; the data communication unit collectively switches the engraving data for a plurality of portions engraved in a plurality of molding subjects; and the laser head successively engraves the engraving data for the plurality of portions at prescribed positions on the coil material.

HORI TAKESHI (JP)
HORI TOMOHIKO (JP)
KOMINAMI ATSUSHI (JP)
CHIJI SAKI (JP)
SAGAWA HITOSHI (JP)
ISOMURA RYOTARO (JP)
ISHIGURO HIDEKI (JP)

PCT/JP2020/009116

September 24, 2020

March 04, 2020

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TOYO SEIKAN KAISHA LTD (JP)

B23K26/00; B21C51/00; B21D43/00; B21D43/02; B21D43/09; B21D51/44; B23K26/03; B23K26/08; B65D25/20

WO2011010623A1

2011-01-27

JP2002520164A	2002-07-09
JP2000015463A	2000-01-18
JP2003112736A	2003-04-18
JP2015531684A	2015-11-05
JPH10329087A	1998-12-15
JP2003136260A	2003-05-14
JP2009039753A	2009-02-26

EICHI PATENT & TRADEMARK CORP. (JP)

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