Cutting by use of rotating axially moving tool – Processes – Bit detachable
Patent
1993-08-24
1995-08-08
Howell, Daniel W.
Cutting by use of rotating axially moving tool
Processes
Bit detachable
408 13, 408 16, B23B 3500, B23B 4100
Patent
active
054393280
ABSTRACT:
An apparatus for drilling holes in flexible materials used for flexographic printing includes a table which receives single sheets of flexible material which are to be drilled by a downwardly moveable drill. An optical mirror, TV-camera and monitor serve as viewing means to directly view the exact position on the surface of the material to be drilled. The optical mirror occupies a first position between the moveable drill and the flexible material, the first position being directly below the drill and directly above a target location on a single sheet. The optical mirror is retractable to a second position away from the path of the moveable drill, the optical mirror being replaced in the first position after the drilling is accomplished.
REFERENCES:
patent: 3376762 (1968-04-01), Brault
patent: 3574946 (1971-04-01), Mayston
patent: 4123695 (1978-10-01), Hale et al.
patent: 4171162 (1979-10-01), Gerard et al.
patent: 4568971 (1986-02-01), Alzmann et al.
patent: 4596037 (1986-06-01), Bouchard et al.
patent: 5036574 (1991-08-01), Kakimoto
Fox David L.
Fox John L.
Haggerty Kevin C.
Toles Richard O.
E. I. Du Pont de Nemours and Company
Howell Daniel W.
Magee Thomas H.
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