STRAIGHT KNIFE MANUFACTURING METHOD
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United States of America Patent
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app pub date -
Jun 14, 2016
filing date -
Aug 30, 2010
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Abstract
A method of manufacturing a straight knife includes pressing one end of a rounded austenitic stainless steel rod flat and press-cutting away an excess portion of the flattened end to form a blade; grinding the blade to form a slanted surface and an edge along at least a portion of the periphery of the blade; removing burrs along the slanted surface and the edge of the blade by electrolytic polishing or chemical polishing; and continuing with the electrolytic polishing or chemical polishing to form, at a tip of the slanted surface, a cutting portion of the blade having a cross-sectional shape defined by convex curves.
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International Classification(s)
- B24B:MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR PO....
- B23P:OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVE....
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- A61B:DIAGNOSIS; SURGERY; IDENTIFICATION
- C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....
- C25F:PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIAL....
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