Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRODUCTION OF ALUMINUM THIN SHEET EXCAVING DISPLAY FORMED PART AND EXCAVING FORMED PART
Document Type and Number:
Japanese Patent JP2000199082
Kind Code:
A
Abstract:

To produce a formed part of high quality free from bends and burrs in the periphery of the formed part without using a die and a press forming machine.

As for the method for producing an excaving display formed part, a planar stock M obtd. by pasting the back side of an aluminum thin sheet 1 which surface has been applied with an oxidized film 1a with a supporting sheet 2 is prepd., on the upper face, a picture with an optional shape is partially masking-printed by masking ink, thereafter, the part of an exposed face which has not been applied with masking is excaved to reach the surface of the supporting sheet 2 pasted on the back side by etching treatment and to produce an aluminum excaving formed sheet 1' in which display parts 6 composed of an aluminum sheet part 1B surrounded by excaved holes 5 are formed.


Inventors:
Yamaguchi, Masao
Application Number:
JP1998000377373
Publication Date:
July 18, 2000
Filing Date:
December 28, 1998
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CORONA INTERNATIONAL KK
International Classes:
B44C1/22; C23F1/00; C25D11/04; (IPC1-7): C23F1/00; B44C1/22; C25D11/04