Title:
METHOD OF MANUFACTURING WATCH CASINGS
Document Type and Number:
Japanese Patent JPS5234765
Kind Code:
A
Abstract:
PURPOSE: Patterned watch casings are manufactured at low costs by deep drawing of a metal sheet which is given an embossed pattern by being rolled with a roll engraved with pattern, design, etc.
Inventors:
HIRATE KENJI
Application Number:
JP11059975A
Publication Date:
March 16, 1977
Filing Date:
September 12, 1975
Export Citation:
Assignee:
SEIKO INSTR & ELECTRONICS
International Classes:
B21D31/00; B21D17/04; B21D51/52; G04B37/22; G04B45/00; (IPC1-7): B21D17/04; B21D51/52; G04B45/00