Unit for broaching rules of die cutters and method to perform the broaching of a rule for die cutters

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United States of America Patent

PATENT NO 11135663
SERIAL NO

17050864

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Importance

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Abstract

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A broaching unit for rules of die cutters which comprises a supporting structure, for example a frame, a guide of a die cutter rule, and a tool-holding arm equipped with at least one broaching tool is described. The guide defines a sliding surface on which the rule is fed intermittently. The tool-holding arm is mounted on the supporting structure and is susceptible to reciprocating movements with respect to it and with respect to the guide, preferably forward and backwards movements along a transversal direction of the rule, just to intercept the die cutter rule with the broaching tool when the rule is stopped. Advantageously, the tool-holding arm is equipped with at least two broaching tools, for example four tools, and can be oriented with respect to the guide, for example can rotate on itself, to selectively activate one of the broaching tools, i.e. to bring one of the tools into contact with the rule.

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Patent Owner(s)

  • PRO FORM S.R.L.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Spairani, Roberto Caravaggio, IT 4 1
Spairani, Secondo Caravaggio, IT 4 1

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