4. Cutting
  5. Means to drive or to guide tool
  6. Constantly urged tool or tool support

Cheng Nan Chen

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Device for actuating a punch

Cutting – Means to drive or to guide tool – With simple rectilinear reciprocating motion only
Reexamination Certificate

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Mold-pressing device

Cutting – Means to drive or to guide tool – Constantly urged tool or tool support
Patent

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Punch having changeable punching member

Cutlery – Perforating or indenting implements
Reexamination Certificate

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Punch having changeable punching member

Cutlery – Perforating or indenting implements
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1140227

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