Rotary die cutting cover
AssigneeIAM Corporation
InventorsAlan D. Kirkpatrick, Jr., Christopher D. Kirkpatrick
Life of this patent
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Abstract
A cover for a rotary die is centrifugally cast with multiple layers to substantially eliminate stress when the cover is cast in an arcuate shape for use in a die cutting system. A locking mechanism attached to ends of the cover is designed to be convenient to install on and remove from a cutting cylinder.
Claims16
A method of making a cover for a rotary die cuffing cylinder including forming a cover with a first layer with a first material and a first thickness, a second layer with a second material and a second thickness, and a third layer made of a third material different from the first material and the second material, the third layer extending all around the arcuate cover, the materials selected such that stresses in the resulting cover balance out and the cover has an arcuate shape of nearly a full circle when made and at rest.
Dependencies are inferred from the claim text.