IP Library Granted Patent US 8,273,443
Granted Patent B2
US 8,273,443 · App. 13/087,695 · Granted Sep 25, 2012

Stack of interfolded absorbent sheet products

Assignee: SCA Tissue North America LLC
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Quick Facts
Patent No.
US 8,273,443
App. No.
13/087,695
Granted
Sep 25, 2012
Kind
B2
Abstract

A stack of interfolded absorbent sheet products comprises a plurality of absorbent sheets each of which is itself folded at least twice about axes that are perpendicular to one another. The absorbent sheets have an embossed surface relief of a predetermined pattern or design. Each of the absorbent sheets within the stack comprises at least one pair of panels sandwiched between a pair of adjacent panels of another of the absorbent sheets in the stack.

Claims (32)

1. A stack of interfolded absorbent sheet products, comprising a plurality of absorbent sheets each bearing an embossed surface relief of a predetermined pattern or design,

wherein each of said absorbent sheets is a rectangular paper napkin,

wherein each of said absorbent sheets is entirely detached from all other absorbent sheets within said stack,

wherein each of said absorbent sheets has one fold along and coextensive with a longitudinal direction and two folds along and coextensive with a transverse direction, said two folds being parallel to one another and perpendicular to said one fold,

wherein each of said napkins comprises at least two panels sandwiched between adjacent panels of another of said paper napkins,

wherein said adjacent panels comprise an upper panel positioned above said at least two panels and a lower panel positioned below said at least two panels, and

wherein each of said napkins within said stack comprises an uppermost panel whose length and width are approximately equal to an overall length and width of each of said napkins, respectively, and a lowermost panel whose length and width are approximately equal to an overall length and width of each of said napkins, respectively.

2. The stack of interfolded absorbent sheet products according to claim 1 , wherein each napkin within said stack is oriented oppositely from each preceding and succeeding napkin within said stack.

3. The stack of interfolded absorbent sheet products according to claim 1 , wherein each of said absorbent sheets is a single ply paper napkin.

4. The stack of interfolded absorbent sheet products according to claim 3 , wherein each of said absorbent sheets has a basis weight of from about 10 to 20 lb.

5. A stack of interfolded absorbent sheet products, comprising a plurality of absorbent sheets each bearing an embossed surface relief of a predetermined pattern or design,

wherein each of said absorbent sheets is entirely detached from all other absorbent sheets within said stack,

wherein each of said absorbent sheets is a rectangular paper napkin having six panels,

wherein each of said napkins comprises at least two of said six panels sandwiched between adjacent panels of another of said napkins,

wherein said adjacent panels comprise an upper one of said six panels positioned above said at least two panels and a lower one of said six panels positioned below said at least two panels, and

wherein each of said napkins within said stack comprises an uppermost one of said six panels whose length and width are approximately equal to an overall length and width of each of said napkins, respectively, and a lowermost one of said six panels whose length and width are approximately equal to an overall length and width of each of said napkins, respectively.

6. The stack of interfolded absorbent sheet products according to claim 5 , wherein each of said absorbent sheets has one fold along and coextensive with a longitudinal direction and two folds along and coextensive with a transverse direction, said two folds being parallel to one another and perpendicular to said one fold, thereby defining said six panels.

7. The stack of interfolded absorbent sheet products according to claim 5 , wherein each napkin within said stack is oriented oppositely from each preceding and succeeding napkin within said stack.

8. The stack of interfolded absorbent sheet products according to claim 5 , wherein each of said absorbent sheets is a single ply paper napkin.

9. The stack of interfolded absorbent sheet products according to claim 8 , wherein each of said absorbent sheets has a basis weight of from about 10 to 20 lb.

10. A stack of interfolded absorbent sheet products, comprising a plurality of absorbent sheets each bearing an embossed surface relief of a predetermined pattern or design,

wherein each of said absorbent sheets is entirely detached from all other absorbent sheets within said stack,

wherein each of said absorbent sheets is a rectangular paper napkin having six panels,

wherein each of said napkins comprises at least two of said six panels sandwiched between adjacent panels of another of said napkins,

wherein said adjacent panels comprise an upper one of said six panels positioned above said at least two panels and a lower one of said six panels positioned below said at least two panels,

wherein each of said napkins within said stack comprises an uppermost one of said six panels whose length and width are approximately equal to an overall length and width of each of said napkins, respectively, and a lowermost one of said six panels whose length and width are approximately equal to an overall length and width of each of said napkins, respectively, and

wherein each of said absorbent sheets has a basis weight of from about 10 to 20 lb.

11. The stack of interfolded absorbent sheet products according to claim 10 , wherein each napkin within said stack is oriented oppositely from each preceding and succeeding napkin within said stack.

12. The stack of interfolded absorbent sheet products according to claim 10 , wherein each of said absorbent sheets is a single ply paper napkin.

13. The stack of interfolded absorbent sheet products according to claim 10 , wherein each of said absorbent sheets has a basis weight of from about 11 to about 17 lb.

14. The stack of interfolded absorbent sheet products according to claim 10 , wherein each of said absorbent sheets has a basis weight of from about 12 to about 15 lb.

15. The stack of interfolded absorbent sheet products according to claim 10 , wherein each of said absorbent sheets has a basis weight of about 13 lb.

Assignments (2)
CHANGE OF NAME Recorded May 18, 2018
From: SCA TISSUE NORTH AMERICA LLC
To: ESSITY PROFESSIONAL HYGIENE NORTH AMERICA LLC
Reel/Frame 046184/0642 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 15, 2011
From: HOCHRITT, ROBERT C.; CONGER, ANDREW M.
To: SCA TISSUE NORTH AMERICA LLC
Reel/Frame 026135/0857 →
Continuity (4)
Continuation 12577988 · Oct 13, 2009
Continuation 12055334 · Mar 26, 2008
Continuation 10660694 · Sep 12, 2003
Related Publication 20110192755A1 · Aug 11, 2011