Incremental step drilling system and method

Details Incremental step drilling system and method Incremental step drilling system and method

2005-02-22

2005-02-22

Howell, Daniel W. (Department: 3722)

Cutting by use of rotating axially moving tool

Processes

Bit detachable

C408S017000

Reexamination Certificate

active

06857828

ABSTRACT:
A method for drilling a hole in a work piece, such as printed circuit boards, comprises drilling to a point in a work piece and retracting said drill bit a retract distance. The retract distance is configured such that a tip end of said drill bit remains below a top surface of said work piece. The method further comprises drilling a distance greater than said retract distance into said work piece.

REFERENCES:
patent: 3637318 (1972-01-01), Hayes
patent: 4123188 (1978-10-01), Deremo et al.
patent: 4604705 (1986-08-01), Imanishi
patent: 4704689 (1987-11-01), Asakura
patent: 4779204 (1988-10-01), Kanematsu et al.
patent: 4872787 (1989-10-01), Arai et al.
patent: 4961675 (1990-10-01), Stewart
patent: 5066171 (1991-11-01), Aria et al.
patent: 199 04 117 (1999-05-01), None
patent: 62-264812 (1987-11-01), None
patent: 01205907 (1989-08-01), None
patent: 03111116 (1991-05-01), None
patent: 245908 (1991-11-01), None
patent: 280200 (2000-10-01), None
patent: 343308 (2000-12-01), None

Affiliated with

Also associated with

Rating

Incremental step drilling system and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3445846