US Patent: 2,343,632
|
Tap construction
|
Patentee:
|
|
Harding F. Bakewell (exact or similar names) - San Marino, CA |
|
Patent Dates:
|
Applied: |
Aug. 24, 1942 |
Granted: |
Mar. 07, 1944 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens "Vintage Machinery" entry for Bakewell Manufacturing Co.
|
Description: |
"This invention relates to thread-cutting taps and the like and pertains primarily to taps of fairly large diameter, being concerned particularly with a tapping device which embodies a minimum of expensive of alloy tool steel in its construction. The device of the present invention is adapted to be used in connection with a so called 'precision' tapping machines, such as that described in my issued Patent No. 2,257,364." |
|