Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MANUFACTURE OF SAW BODY AND SAY BODY
Document Type and Number:
Japanese Patent JPH0310717
Kind Code:
A
Abstract:

PURPOSE: To manufacture a saw body easy for cutting work by punching a normal circular or about circular hole on the part becoming the bottom between saw teeth later on, and making one part of the hole remaining as a recessed part on the bottom at the saw teeth forming time.

CONSTITUTION: Prior to forming saw teeth 31 on a saw body 30 circular holes 32 are punched at the position becoming the bottoms between the saw teeth 31 later on. These holes 32 may be in a normal circle or about circular and even oval as occasions demand. The saw body 30 is ordinarily formed by rapping a tempered steel body and saw teeth are formed on the web of a rapped saw body. For the formation of the holes 32, the holes in the necessary number are punched at specific positions by a drill device, etc., simultaneously with die cutting time in case of punching the die of the saw body 30 form a strip like steel sheet. Otherwise the holes 32 are punched at the specific positions, namely the positions becoming the bottoms between saw teeth 31 by a drill device, etc., prior to the rapping of the saw body 30 or after the rapping. The saw teeth 31 are thus formed on the saw body 30 on which the holes 32 were opened in advance at the specific positions.


Inventors:
MIYAWAKI UICHI
Application Number:
JP14278189A
Publication Date:
January 18, 1991
Filing Date:
June 05, 1989
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YUUM KOGYO KK
International Classes:
B23D65/02; (IPC1-7): B23D65/02
Domestic Patent References:
JPS5988261A1984-05-22
JPS642871A1989-01-06
Foreign References:
US2990828A1961-07-04
Attorney, Agent or Firm:
Inaoka cultivation



 
Next Patent: JPH0310718