Apparatus for enhanced emboss bonding of multi-ply tissue produc

Details Apparatus for enhanced emboss bonding of multi-ply tissue produc Apparatus for enhanced emboss bonding of multi-ply tissue produc

1990-09-17

1992-10-27

Kesliuk, Bruce M.

Manufacturing container or tube from paper; or other manufacturi

Bending

Form-scoring

493402, 493403, 493355, B31F 107

Patent

active

051585235

ABSTRACT:
An apparatus for emboss bonding two or more lightweight cellulosic webs to form a multi-ply article, the apparatus including a first cylindrical roll having a metal surface and being disposed for rotation about a cross machine rotation axis, an etched area of the surface of the first roll defining a pattern having pedetermined dimensions for forming proximate the perimeter of the article an emboss bond, the etched area comprising a plurality of truncated right rectangular pyramidal cavities in the roll surface disposed in adjacent relationship in the machine direction and the cross machine direction, and a second cylindrical roll disposed to cooperatively rotate with the first roll and to define therewith a nip for engaging the webs, the second roll having an impressionable surface capable of conforming under pressure to the etched area or having an etched area defining a complementary pattern for meshing engagement with the etched area on the first roll.

REFERENCES:
patent: 1657591 (1928-01-01), Schlender
patent: 1929924 (1933-10-01), Jopson
patent: 2729267 (1956-01-01), Walton
patent: 2890540 (1959-06-01), Britt
patent: 3323983 (1967-06-01), Palmer
patent: 3544420 (1970-12-01), Murphy et al.
patent: 3580797 (1971-05-01), Asmuth
patent: 3834286 (1975-02-01), Nystrand
patent: 3867872 (1974-09-01), Nystrand
patent: 4759967 (1988-07-01), Bauernfeind

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