Title:
LASER MARKING AND RESIN COMPOSITION THEREFOR
Document Type and Number:
Japanese Patent JPH04267191
Kind Code:
A
Abstract:
PURPOSE: To make it easy to display a white mark which is highly sensitive and visually recognizable by irradiating the surface of a material consisting of a non-crystal thermal plastic resin composition containing cordierite and/or mica with laser beam to do marking.
CONSTITUTION: Cordierite is a non-crystal thermal plastic resin composition containing Mg2Al4Si5O18 of a composition formula and/or mica such as acrylic resin or polystyrene resin. The surface of this resin is irradiated using a laser beam, preferably carbon dioxide gas to do marking.
Inventors:
KIYONARI TOSHIYUKI
KIDOKORO NAOTO
HIRABAYASHI SATOSHI
KIDOKORO NAOTO
HIRABAYASHI SATOSHI
Application Number:
JP2857391A
Publication Date:
September 22, 1992
Filing Date:
February 22, 1991
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS
International Classes:
C08K3/00; B23K26/00; B41M5/26; C08K3/34; C08L25/00; C08L33/00; C08L69/00; (IPC1-7): B23K26/00; B41M5/26; C08K3/34; C08L25/00; C08L69/00
Domestic Patent References:
| JPS60226554A | 1985-11-11 | |||
| JPS6320336A | 1988-01-28 | |||
| JPH03272846A | 1991-12-04 | |||
| JPS6112748A | 1986-01-21 | |||
| JPS6023159A | 1985-02-05 | |||
| JPS5466957A | 1979-05-29 |
Attorney, Agent or Firm:
Takahashi victory