Multiblade inner hole saw for the sawing of crystal rods into th

Details Multiblade inner hole saw for the sawing of crystal rods into th Multiblade inner hole saw for the sawing of crystal rods into th

1988-05-26

1989-05-30

Olszewski, Robert P.

Stone working

Sawing

Rotary

125 15, 51 73R, 83 42, 83488, B28D 104

Patent

active

048340626

ABSTRACT:
A multi-blade inner hole saw for the sawing of crystal rods or blocks, such as solar cell base material on a silicon base, into thin wafers has saw blades arranged mirror-symmetrically with respect to the bearing on either side of a common drive cylinder. In the sawing operation, the workpieces are sawn synchronously by the saw blades.

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patent: 3662733 (1972-05-01), Okamoto
patent: 3879896 (1975-04-01), Maxfield
patent: 4004477 (1977-01-01), Mitchell
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patent: 4128119 (1978-12-01), Maier
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patent: 4150912 (1979-04-01), Gutsche
patent: 4227348 (1980-10-01), Demers
patent: 4513544 (1985-04-01), Lossl

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