Patent ID: 8104378

Claim:
A method of manufacturing preforms for saw blades, comprising: a. Arranging a continuous strip of cutting material between the edges of a first carrier band and a second carrier band; b. guiding a welding beam along a first edge of the strip for welding intermittently the first carrier band to the strip to form a plurality of first welds, wherein regions along the first edge of the strip remain unwelded; c. guiding a welding beam along a second edge of the strip for welding intermittently the second carrier band to the strip to form a plurality of second welds, wherein regions along the second edge of the strip remain unwelded; and d. guiding a cutting beam between the first edge and the second edge of the strip, the cutting beam intersecting the unwelded regions, whereby the strip is separated into a plurality of segments attached alternatingly to the first carrier and the second carrier.