Patent ID: 7265317
Filing Date: 2007-09-04
Classification: B23K,Y10T

Abstract:
1. A method of providing one or more shaped openings through a material comprising: 1) providing a material having at least one edge portion, an interior zone having a first area and an interior portion being within the interior zone and having a second area being less than the first area; 2) providing a cutting device to cut said material, said cutting device providing a hybrid liquid-jet/laser stream; 3) impinging the stream against the interior portion of the material while moving said material relative to said stream at a first velocity until said stream fully penetrates the material; 4) thereafter impinging the stream against the material while moving said material relative to said stream at a second velocity, at least a portion of the stream continuing to fully penetrate the material so as to remove the material of the interior portion, the second area being greater than the area directly penetrated by the stream; and 5) then removing the remainder of the material from the interior zone.