Work holders – With fluid means – Vacuum-type holding means
Reexamination Certificate
2005-04-13
2008-10-21
Wilson, Lee D (Department: 3723)
Work holders
With fluid means
Vacuum-type holding means
C269S900000, C269S903000, C451S364000
Reexamination Certificate
active
07438286
ABSTRACT:
A workpiece holding jig for holding a workpiece having a plurality of first dividing lines extending in a predetermined direction and a plurality of second dividing lines formed in a direction intersecting the plurality of first dividing lines on the workpiece holding table of a processing machine for cutting the workpiece along the plurality of first dividing lines and the plurality of second dividing lines, wherein the workpiece holding jig has a plurality of through-grooves corresponding to the plurality of first dividing lines and the plurality of second dividing lines formed on the workpiece, a plurality of suction-holes which are open at the top and formed at positions corresponding to a plurality of areas sectioned by the plurality of first dividing lines and the plurality of second dividing lines of the workpiece and suction-passages that are formed at positions where they do not intersect the plurality of through-grooves and connected to the plurality of suction-holes.
REFERENCES:
patent: 5048804 (1991-09-01), Ito
patent: 6271503 (2001-08-01), Hall et al.
patent: 6597432 (2003-07-01), Ida
patent: 2006/0157905 (2006-07-01), Lenzini
patent: 2002-205298 (2002-07-01), None
Kimura Ken
Umahashi Takayuki
Disco Corporation
Smith , Gambrell & Russell, LLP
Wilson Lee D
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