Cutting – Other than completely through work thickness or through work... – Combined types of cutting
Patent
1982-09-23
1984-07-03
Meister, James M.
Cutting
Other than completely through work thickness or through work...
Combined types of cutting
83 49, 83 54, 83319, 83519, B26D 1100
Patent
active
044572000
ABSTRACT:
Method for cutting heavy wall steel tubing. The tubing is notched and cut through along a vertical axis but the blade is narrower than the interior diameter so as to leave the side walls uncut. A side wall is preferably notched during the first cut. Thereafter, a second blade is driven horizontally through the side notch to complete the cut.
REFERENCES:
patent: 2741309 (1956-04-01), Czarnik
patent: 3129624 (1964-04-01), Auer
patent: 3430290 (1969-03-01), Kinslow
patent: 3449993 (1969-06-01), Temple
patent: 3516312 (1970-06-01), Nordberg
patent: 3866501 (1975-02-01), Glendenning
patent: 3938415 (1976-02-01), Borzym
patent: 4055100 (1977-10-01), Borzym
patent: 4337680 (1982-06-01), Borzym
Alpha Industries Inc.
Knoble J. L.
Meister James M.
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