Knurling tool for internal cylindrical surfaces
United States Patent 2618182
US Patent References:
/0405226.html
- - 0405226

/0911172.html
- - 0911172

/0964272.html
- - 0964272

Hole rolling tool
- - 1837624

Ferrule expanding tool
- - 2155542


Inventors:
Teetor, Ralph R.
Publication Date:
11/18/1952
View Patent Images:
Assignee:
PERFECT CIRCLE CORP
Primary Class:
Other Classes:
72/703, 29/888.060, 72/126, 29/DIG.023, 29/888.041, 29/523
International Classes:
B21H7/14; B21H7/00
US Patent References:
2409219Tube expanding
Foreign References:
GB188412341A
SE84261A
GB555237A