IP Library Granted Patent US 8,623,492
Granted Patent B2
US 8,623,492 · App. 13/737,736 · Granted Jan 7, 2014

Stack of interfolded absorbent sheet products

Inventors: Robert C. Hochtritt (Neenah, WI); Andrew M. Conger (Neenah, WI)
Assignee: SCA Tissue North America LLC
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Quick Facts
Patent No.
US 8,623,492
App. No.
13/737,736
Granted
Jan 7, 2014
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 (9)

1. A stack of interfolded absorbent sheet products comprising:

a plurality of rectangular interfolded absorbent sheets each having an embossed surface relief, two shorter edges and two longer edges,

wherein each interfolded absorbent sheet of said plurality of rectangular interfolded absorbent sheets comprises a first fold parallel to said two shorter edges and an interfolding fold perpendicular to said first fold,

wherein said interfolding fold interfolds the absorbent sheets of said plurality of rectangular interfolded absorbent sheets, and

wherein an interfolded absorbent sheet of said plurality of interfolded absorbent sheets is interconnected with another absorbent sheet of said plurality of rectangular interfolded absorbent sheets.

2. The stack according to claim 1 , wherein each interfolded absorbent sheet of said plurality of rectangular interfolded absorbent sheets comprises at least one pair of panels sandwiched between a pair of adjacent panels of another of said absorbent sheets of said plurality of rectangular interfolded absorbent sheets.

3. The stack according to claim 1 , wherein each interfolded absorbent sheet of said plurality of rectangular interfolded absorbent sheets is a single ply paper napkin having a basis weight of from about 10 to 20 lb.

4. The stack according to claim 1 , wherein each interfolded absorbent sheet of said plurality of rectangular interfolded absorbent sheets further comprises a third fold.

5. The stack according to claim 4 , wherein each interfolded absorbent sheet of said plurality of rectangular interfolded absorbent sheets further comprises a fourth fold.

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 Feb 2, 2015
From: HOCHTRITT, ROBERT C.; CONGER, ANDREW M.
To: SCA TISSUE NORTH AMERICA LLC
Reel/Frame 034862/0402 →
Continuity (6)
Continuation 13441277 · Apr 6, 2012
Division 13087695 · Apr 15, 2011
Continuation 12577988 · Oct 13, 2009
Continuation 12055334 · Mar 26, 2008
Continuation 10660694 · Sep 12, 2003
Related Publication 20130126381A1 · May 23, 2013