B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 1/07 (2006.01) A61F 13/15 (2006.01)
Patent
CA 2196804
The crispness or clarity of embossed tissue is improved by embossing the tissue twice in two successive embossing nips formed between a rigid engraved embossing roll and a resilient backing roll. The hardness of the resilient backing roll in the first embossing nip is less than the hardness of the resilient backing roll in the second embossing nip. This form of double nip embossing is particularly effective for embossing tissue webs having high bulk and resiliency, such as soft uncreped throughdried tissues, which cannot be satisfactorily embossed by conventional methods.
La netteté du papier gaufré est améliorée en gaufrant le papier deux fois au moyen de deux pincements de gaufrage successifs formés entre un rouleau gaufreur rigide et un contre-rouleau élastique. La dureté du contre-rouleau élastique du premier pincement de gaufrage est moindre que celle du contre-rouleau élastique du deuxième pincement de gaufrage. Cette forme de gaufrage à double pincement est particulièrement efficace pour gaufrer les bandes de papier possédant un volume et une élasticité élevés, tels que les papiers tissus ouatés non-crêpés jusqu'aux feuilles adhésives, qui ne peuvent être gaufrés selon les méthodes conventionnelles.
Baum Tammy Lynn
Beuther Paul Douglas
Gambaro Anthony Mark
Gruber David Robert
Lindsay Jeffrey Dean
Baum Tammy Lynn
Beuther Paul Douglas
Borden Ladner Gervais Llp
Gambaro Anthony Mark
Gruber David Robert
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