Hybrid soap stamping bars
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorsBrian Edmondson, Alan William Espie, Edward Ross Story
Life of this patent
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Abstract
A stamping die includes a substrate stamping surface comprising a base matrix of open structure having a coating of elastomeric material applied thereon. The resulting surface is a composite comprising predominantly elastomer having matrix protruding through the elastomer in places.
Claims16
A stamping die having a substrate stamping surface comprising a base matrix of open structure having a coating of elastomeric material applied thereon wherein the stamping surface comprises a comprises a composite surface which is predominantly elastomer having the matrix protruding through the elastomer.
A process for making a stamping die comprising the steps of:
- preparing an open structure matrix surface on a die surface;
- and applying a coating of elastomer onto the matrix such that a stamping surface of the stamping die is formed, the stamping surface comprising a composite surface which is predominantly elastomer having the matrix protruding through the elastomer.
Dependencies are inferred from the claim text.