The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 07, 2005

Filed:

Feb. 08, 2002
Applicants:

Roy Dean Meece, New Trenton, IN (US);

Jeffrey Kevin Back, Loveland, OH (US);

Roger John Tuchfarber, Deer Park, OH (US);

Gerald Roger Geverdt, Cincinnati, OH (US);

Michael Jay Brunck, Cincinnati, OH (US);

Inventors:

Roy Dean Meece, New Trenton, IN (US);

Jeffrey Kevin Back, Loveland, OH (US);

Roger John Tuchfarber, Deer Park, OH (US);

Gerald Roger Geverdt, Cincinnati, OH (US);

Michael Jay Brunck, Cincinnati, OH (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C001/00 ;
U.S. Cl.
CPC ...
Abstract

A hole of a hole size is cut in a composite material workpiece by selecting a milling cutter having an effective cutter size less than the hole size, mounting the composite material workpiece in operable relation to the milling cutter, rotating the milling cutter about an axis of rotation, and advancing the milling cutter longitudinally into the composite material workpiece parallel to the axis of rotation at a rate of longitudinal advance, while laterally moving the milling cutter perpendicular to the axis of rotation to interpolate the hole. The rate of longitudinal advance is controlled such that the hole remains substantially a flat-bottomed hole as it is cut. The composite material workpiece is desirably affixed to a backing fixture with an adhesive material during the cutting of the hole.


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