Sheet processing device, image forming device provided with the same, and folded sheet pressing method
US-2015375957-A1 · Dec 31, 2015 · US
US11324362B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11324362-B2 |
| Application number | US-202016868812-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 7, 2020 |
| Priority date | Mar 8, 2017 |
| Publication date | May 10, 2022 |
| Grant date | May 10, 2022 |
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Embodiments are directed to a dispensing device and methods of using a dispensing device having an improved out indicator. The dispensing device includes a housing having a cavity. A tissue stack is disposed within the cavity, the tissue stack including a plurality of tissue sheets folded along a crease. An aperture is formed in a top surface of the housing such that a tissue sheet is removable from the cavity through the aperture. A portion of the tissue sheets includes an out indicator formed along a centerline of each tissue sheet and across the crease.
Opening claim text (preview).
What is claimed is: 1. A method for forming a tissue, the method comprising: receiving a first sheet from a first parent roll; transporting the first sheet via a first roller beneath a surface of a first print head, the first print head positioned above the first sheet and directly over the first roller; spraying, from the first print head, wax ink onto a surface of the first sheet to form a first out indicator on the surface of the first sheet; receiving a second sheet from a second parent roll; transporting the second sheet via a second roller beneath a surface of a second print head, the second print head positioned above the second sheet and directly over the second roller; spraying, from the second print head, wax ink onto a surface of the second sheet to form a second out indicator on the surface of the second sheet; and interfolding the first sheet and the second sheet to form a tissue stack. 2. The method of claim 1 , wherein the first print head is positioned about 0.125 to about 0.200 inches above the first tissue sheet. 3. The method of claim 2 , wherein positioning the first print head directly over the roller and about 0.125 to about 0.200 inches above the first tissue sheet neutralizes a static charge in a narrow contact zone between the surface of the first tissue sheet and a surface of the print head. 4. The method of claim 2 , wherein the first print head sprays wax ink onto the surface of the first tissue sheet as the first tissue sheet passes beneath the first print head. 5. The method of claim 2 , wherein the first print head is mounted over the first tissue sheet such that the first out indicator is centered over a centerline of a tissue of the first tissue sheet. 6. The method of claim 5 , wherein the first print head can be moved in a direction perpendicular to the first tissue sheet to center the first out indicator relative to the centerline. 7. An apparatus for forming a tissue having an out indicator, the apparatus comprising: a first parent roll comprising a first tissue sheet; a second parent roll comprising a second tissue sheet; a first printing apparatus comprising eight print heads; a second printing apparatus comprising eight print heads; a first plurality of rollers for transporting the first tissue sheet beneath a surface of each print head of the first printing apparatus, each print head positioned above a surface of the first tissue sheet and directly over a roller of the first plurality of rollers; a second plurality of rollers for transporting the second tissue sheet beneath a surface of each print head of the second printing apparatus, each print head positioned above a surface of the second tissue sheet and directly over a roller of the second plurality of rollers; and an interfolding apparatus for interfolding the first sheet and the second sheet to form a tissue stack. 8. The apparatus of claim 7 , wherein each print head is positioned about 0.125 inches to about 0.200 inches above the first or second tissue sheets. 9. The apparatus of claim 7 , wherein each print head of the first printing apparatus is mounted over the first tissue sheet such that an out indicator formed from each print head is centered over a centerline of a tissue of the first tissue sheet.
Details of the folds or interfolds of the sheets · CPC title
Ink jet · CPC title
Interfolding sheets, e.g. cigarette or toilet papers · CPC title
through an aperture in a wall · CPC title
dispensing from the top of the dispenser (A47K10/44 takes precedence) · CPC title
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