SAFETY DEVICE FOR STAMPING MACHINES
United States Patent 3440909
US Patent References:
Punching machine
- - 2589849
Punch tool drive means yieldable upon undue thickness of material being punched
- - 2970503
Punching machine
- - 2589849
Punch tool drive means yieldable upon undue thickness of material being punched
- - 2970503
Inventors:
Schmid, Heinrich
Bernet, Alois
Bernet, Alois
Publication Date:
04/29/1969
View Patent Images:
Export Citation:
Assignee:
Heinrich, Schmid
Primary Class:
Other Classes:
83/123, 83/620, 83/128
International Classes:
B21D55/00; B26D5/00
Foreign References:
| GB1005517A |