Sewn stack of absorbent sheets
AssigneeKimberly-Clark Worldwide, Inc.
InventorsJulie Ann Paveletzke, Christopher Peter Olson
Life of this patent
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Abstract
The invention provides a stack comprising a plurality of absorbent sheets stacked in facing arrangement. The stack is bound along its top edge by at least one line of stitches comprising a plurality of spaced apart stitch holes and a thread disposed therein. Individual sheets further comprise a line of perforations comprising a plurality of spaced apart perforation holes. The line of stitches and the line of perforations are such that there is generally a one-to-one numerical correspondence amongst at least a majority of the plurality of stitch holes and perforation holes.
Claims17
A stack of absorbent sheets comprising:
- a. a plurality of absorbent sheets stacked in facing arrangement with one another to form a stack of absorbent sheets, the stack having a top edge and a bottom edge;
- b. a binding disposed adjacent to the top edge of the stack, the binding comprising a plurality of spaced apart stitching holes and a thread disposed between each of the plurality of spaced apart stitching holes;
- and
- c. a first line of perforations comprising a plurality of spaced apart perforation holes, wherein the quantity of perforation holes approximately corresponds to the quantity of stitching holes and the stitching holes and the perforation holes are vertically aligned with one another.
A stack of absorbent sheets comprising:
- a. a plurality of absorbent sheets stacked in facing arrangement with one another to form a stack having a top edge and a bottom edge;
- b. a single line of stitches extending parallel to the top edge of the stack, the single line of stitches comprising first and second spaced apart stitch holes and at least one thread disposed between the first and the second stitch holes thereby forming a stitch;
- and
- c. a single line of perforations extending parallel to the top edge of the stack and spaced part from the single line of stitches, the single line of perforations comprising a plurality of individual perforation holes, wherein there is a one-to-one numerical correspondence between the stitch holes and the perforation holes, and the stitching holes and the perforation holes are vertically aligned with one another.
A method of manufacturing a stack of sewn and perforated absorbent sheets comprising the steps of:
- a. providing a plurality of absorbent sheets;
- b. stacking the plurality of absorbent sheets in facing arrangement with one another to form a stack having a height, a length and a width;
- c. providing a sewing and perforating apparatus comprising a first tine and a second tine;
- wherein the first tine is adapted to receive a thread and the first and second tines are adapted to be displaced in a vertical direction;
- d. threading the first tine with a thread;
- e. moving the first and second tines towards and through the stack of sheets, wherein the first tine creates a stitch hole and the thread is threaded through the stitch hole and the second tine creates a perforation hole;
- and
- f. moving the sewing and perforating apparatus or the stack of sheets and repeating step (e).
Dependencies are inferred from the claim text.