Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (perforating by laser beam B23K26/00; subjecting the grinding tools or the abrading medium to vibration, e.g. grinding with ultrasonic frequency, B24B1/04; perforating by sand-blasting B24C; punching cards or tapes for statistical and record purposes G06K1/00)

Child Classifications

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• B26F 1/0007
• B26F 1/0015
• B26F 1/0084
• B26F 1/0092
• B26F 1/02 Perforating by punching, e.g. with relatively-reciprocating punch and bed
• B26F 1/16 Perforating by tool or tools of the drill type
• B26F 1/18 Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
• B26F 1/24 Perforating by needles or pins
• B26F 1/26 Perforating by non-mechanical means, e.g. by fluid jet
• B26F 1/32 Hand-held perforating or punching apparatus, e.g. awls
• B26F 1/38 Cutting-out; Stamping-out