IP Library Granted Patent US 9,307,876
Granted Patent B2
US 9,307,876 · App. 14/136,782 · Granted Apr 12, 2016

Stack of interfolded absorbent sheet products

Inventors: Robert C. Hochtritt (Neenah, WI); Andrew M. Conger (Neenah, WI)
Assignee: SCA TISSUE NORTH AMERICA LLC
A47K10/42A47G11/001A47K10/16A47K10/424B32B3/04B65D83/0894B65H45/24A47K2010/428Y10T428/24223Y10T428/24231Y10T428/24264
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 9,307,876
App. No.
14/136,782
Granted
Apr 12, 2016
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 (12)

1. A stack of interfolded absorbent sheet products comprising:

a plurality of interfolded absorbent sheets each having an embossed surface relief and at least a first fold and an interfolding fold perpendicular to each other,

wherein an interfolded absorbent sheet of said plurality of interfolded absorbent sheets has at least two panels sandwiched between adjacent panels of another interfolded absorbent sheet of said plurality of interfolded absorbent sheets,

wherein an interfolded absorbent sheet of said plurality of interfolded absorbent sheets is detached from all other absorbent sheets of said plurality of interfolded absorbent sheets,

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

wherein respective first folds of adjacent absorbent sheets of said plurality of interfolded absorbent sheets lie adjacent one another, and

wherein each of said absorbent sheets within said stack comprises an uppermost panel whose length and width are approximately equal to an overall length and an overall width of each of said folded absorbent sheets, respectively, and a lower most panel whose length and width are approximately equal to the overall length and the overall width of each of said folded absorbent sheets, respectively.

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

3. The stack according to claim 1 , wherein each interfolded absorbent sheet of said plurality of interfolded absorbent sheets has at least three folds.

4. The stack according to claim 3 , wherein at least one of said three folds in each interfolded absorbent sheet of said plurality of interfolded absorbent sheets is in a first direction thereof and at least two of said three folds are in a direction transverse to said first direction.

5. The stack according to claim 1 , wherein each interfolded absorbent sheet of said plurality of interfolded absorbent sheets has at least four folds.

6. The stack according to claim 5 , wherein at least one of said four folds in each interfolded absorbent sheet of said plurality of absorbent sheets is in a first direction thereof and at least two of said four folds are in a direction transverse to said first direction.

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 (7)
Continuation 13737736 · Jan 9, 2013
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 20140106117A1 · Apr 17, 2014