Drill

Details Drill Drill

1984-02-14

1986-01-21

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool or tool with support

Having peripherally spaced cutting edges

408224, 408211, B23B 5102

Patent

active

045654735

ABSTRACT:
A drill formed with chip discharging flutes in its shank and having a flute width ratio of 0.5 to 0.02 to give increased torsional rigidity to the drill shank, the drill being adapted to form holes, especially deep holes, with an improved cutting efficiency.

REFERENCES:
patent: 161106 (1875-03-01), Farmer
patent: 854144 (1907-05-01), Broadbooks
patent: 1221247 (1917-04-01), Traylor
patent: 2193186 (1940-03-01), Bannister
patent: 2237901 (1941-04-01), Chun
patent: 2294969 (1942-09-01), Engvall et al.
patent: 2332295 (1943-10-01), Bouchal
patent: 2360385 (1944-10-01), Anderson
patent: 2587980 (1952-03-01), Doepker
patent: 2646701 (1953-07-01), Letien
patent: 2786373 (1957-03-01), Patton
patent: 3028773 (1962-04-01), Borneman
patent: 3452625 (1969-07-01), Russo
patent: 3592555 (1971-07-01), Mackey
patent: 3709628 (1973-01-01), Hibbert et al.
patent: 3997279 (1976-12-01), Porter
patent: 4090807 (1978-05-01), Stewart
patent: 4143723 (1979-03-01), Schmotzer
patent: 4222690 (1980-09-01), Hosoi

Affiliated with

Also associated with

Rating

Drill does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drill, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drill will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2296272