Modular construction pattern rolls for use in paper converting

Details Modular construction pattern rolls for use in paper converting Modular construction pattern rolls for use in paper converting

1994-04-04

1994-10-18

Ball, Michael

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

162362, 493467, B31B 162, B31B 164

Patent

active

053565061

ABSTRACT:
The invention comprises a modular pattern roll for embossing a cellulosic fibrous structure. The pattern roll is made by assembling separate components, rather than being one piece and chemically etched according to the prior art. The pattern roll comprises a cylindrically perforate outer shell having radially extending protuberances inserted through the holes in the cylindrical shell. The protuberances are provided with an interference fit and/or, if desired, a shoulder at the proximal end to prevent the protuberances from being extruded and expelled through the hole and creating a missile hazard during operation. The center of the hollow cylindrically perforate shell is filled with a base roll and a radially expanding internal locking assembly, to prevent the protuberances from moving radially inwardly under the compressive forces which occur during operation.

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