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High-purity-stratified-tissue-and-method-of-making-same

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High purity stratified tissue and method of making same

Details

Inventors: Janda, Bruce W.;
Assignee: James River Corporation of Virginia (Richmond, VA)
Primary Examiner: Chin; Peter
Assistant Examiner:
Attorney, Agent or Firm: Birch, Stewart, Kolasch & Birch

A foam-formed nonlaminated stratified paper tissue and method of making the same includes a first zone of foam-formed paper tissue formed from a furnish of hardwood fiber. A second zone of foam-formed paper tissue is formed from a furnish of softwood fiber. The second zone is formed unitary and entangled with the first zone to form a nonlaminated stratified paper tissue. A high softness integument is defined adjacent to an outer surface of the first zone and a substratum is defined adjacent to a surface of the second zone spaced away from the integument. The integument on the outer surface of the first zone includes an enriched region having a substantial purity of hardwood fiber and the substratum on the surface of the second zone includes an enriched region having a substantial purity of softwood fiber. The enriched region of substantially pure hardwood fiber provides an extremely soft and smooth surface detectable by human somatic sensibility.

DETAILED DESCRIPTION The present invention provides a foam-formed nonlaminated stratified paper tissue which includes a first zone of foam-formed paper tissue formed from a furnish of hardwood kraft.
A second zone of foam-formed paper tissue is formed from a furnish of softwood kraft.
The second zone is formed unitary and entangled with said first zone to form a nonlaminated paper tissue.
A high softness integument is defined on an outer surface of the first zone which includes an enriched region having a substantial purity of hardwood kraft.
The enriched region provides an extremely soft and smooth surface detectable by human somatic sensibility.

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