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US 2004/0023773 A1Published application
Steel rule cutting die
OwnerJohn A. Dombkowskiinventor
Life of this patent
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Abstract
A steel rule cutting die having a slotted die backing board fabricated from wood with a laser burned slot therein and a steel rule in the slot, the steel rule having integral projections on its opposite side faces for engaging the walls of the slot, thereby precluding lift out of the steel rule from the slot.
Claims5
In a steel rule cutting die having a slotted die backing board and a steel rule in the slot of the backing board, the improvement which comprises integral projections on the steel rule, the projections engaging walls of the slot thereby precluding lift out of the steel rule from the slot.
Dependencies are inferred from the claim text.