Stone working – Sawing – Reciprocating
Reexamination Certificate
2011-04-19
2011-04-19
Hail, III, Joseph J (Department: 3723)
Stone working
Sawing
Reciprocating
C125S016010, C125S021000, C451S164000, C451S049000, C083S651100
Reexamination Certificate
active
07926478
ABSTRACT:
A superabrasive wire saw-wound structure includes a superabrasive wire saw (10) formed with an average diameter D and a reel (1). The superabrasive wire saw (10) includes a core wire (11), a bonding material (12) surrounding a surface of the core wire (11), and a plurality of superabrasive grains (13) bonded to the surface of the core wire (11) with the bonding material (12). The reel (1) includes a peripheral surface (2) having one end (3) and the other end (4). The superabrasive wire saw (10) which is to be unreeled successively toward a workpiece is wound around the peripheral surface (2) reciprocatingly between the one end (3) and the other end (4) to be multi-layered. A pitch P for winding the superabrasive wire saw (10) around the peripheral surface (2) between the one end (3) and the other end (4) satisfies a relation of D<P<2D. According to the present invention, there can be provided a superabrasive wire saw-wound structure, a cutting device with a superabrasive wire saw, and a method of winding a superabrasive wire saw which can reduce damage to a bonding material and falling of a superabrasive grain.
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Ishitobi Yoshizumi
Nakai Masanori
Yamanaka Masaaki
A.L.M.T. Corp.
Birch & Stewart Kolasch & Birch, LLP
Grant Alvin J
Hail, III Joseph J
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