CA2425834A1 - Method and apparatus for forming a rolled paper product - Google Patents

Method and apparatus for forming a rolled paper product Download PDF

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Publication number
CA2425834A1
CA2425834A1 CA002425834A CA2425834A CA2425834A1 CA 2425834 A1 CA2425834 A1 CA 2425834A1 CA 002425834 A CA002425834 A CA 002425834A CA 2425834 A CA2425834 A CA 2425834A CA 2425834 A1 CA2425834 A1 CA 2425834A1
Authority
CA
Canada
Prior art keywords
sheet
rolled
product
depressed areas
channels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002425834A
Other languages
French (fr)
Other versions
CA2425834C (en
Inventor
Richard Wolkowicz
Mark Burazin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kimberly Clark Worldwide Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2425834A1 publication Critical patent/CA2425834A1/en
Application granted granted Critical
Publication of CA2425834C publication Critical patent/CA2425834C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper
    • D21F11/145—Making cellulose wadding, filter or blotting paper including a through-drying process
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/006—Making patterned paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/18—Drying webs by hot air
    • D21F5/182—Drying webs by hot air through perforated cylinders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/906—Roll or coil
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24669—Aligned or parallel nonplanarities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24669—Aligned or parallel nonplanarities
    • Y10T428/24686—Pleats or otherwise parallel adjacent folds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]

Abstract

A nested rolled paper product is shown in which raised and depressed areas a re formed in a sheet. The depressed areas may comprise square shapes, rounded shapes or other geometric shapes that are capable of aligning or nesting in registration when the sheet is rolled to form a reduced diameter rolled product. A high loft through air drying fabric is employed to imprint a high caliper pattern into the sheet in such a way as to nest raised portions, resulting in a more compact product having a minimized roll diameter. Groove s or channels in the sheet are capable of aligning as the sheet is rolled. The resulting rolled product may be toilet tissue, paper towels, or other simila r paper products. The final rolled product achieves a minimum roll diameter fo r a fixed roll length.

Claims (20)

1. A nested rolled paper product, comprising:
(a) an elongated sheet of rolled fibrous material, the sheet having a machine direction that is elongated and a cross direction perpendicular to the machine direction; and (b) raised and depressed areas in the sheet of fibrous material, the depressed areas being formed by drying the paper product on a throughdrying fabric having a pattern of raised and depressed portions; the depressed areas of the elongated sheet being adapted to form channels in the sheet, (c) wherein the channels align in registration when the elongated sheet is in the rolled condition, thereby forming a nested rolled paper product having a compact exterior rolled dimension.
2. The rolled product of claim 1 in which the channels are in the machine direction of the sheet.
3. The rolled product of claim 1 in which the channels are in the cross direction of the sheet.
4. The rolled product of claim 1 in which the channels are aligned in registration in both the machine and cross direction.
5. The rolled product of claim 1 in which the rolled paper product comprises a multi-ply laminate.
6. The rolled product of claim 5 in which the rolled paper product comprises a two ply laminate.
7. The rolled product of claim 1 in which the depressed areas are generally pyramidal shaped.
8. The rolled product of claim 1 in which the depressed areas are generally shaped in a multi-sided fashion.
9. The rolled product of claim 1 in which the depressed areas are generally spherical.
10. The rolled product of claim 1 in which the depressed areas are generally oval.
11. The rolled product of claim 1 in which the depressed areas are five-sided.
12. The rolled product of claim 1 in which the depressed areas are six-sided.
13. The rolled product of claim 1 in which the depressed areas are seven-sided.
14. A method of making a compact rolled paper product, comprising:
(a) providing a wet web of fibrous material to a drying fabric, the drying fabric having raised and depressed portions under conditions causing the wet web to conform to the drying fabric;
(b) drying the wet web to form a sheet having raised and depressed areas, the raised and depressed areas of the sheet forming channels in the sheet, the sheet having a machine direction in its long dimension and a cross direction perpendicular to the machine direction, whereby raised portions in the sheet are capable of registering with depressed portions on the sheet when aligned in a predetermined manner; and (c) rolling the sheet to form a rolled paper product; and (d) wherein the channels align in registration when the sheet is in the rolled condition, thereby forming a nested rolled paper product having a compact exterior diameter.
15. The method of claim 14 wherein a rush transfer step is performed on the wet web of fibrous material prior to step (a).
16. The method of claim 14 wherein the rolling step additionally comprises aligning raised areas with depressed areas in the sheet.
17. The method of claim 14 wherein prior to step (a), the following steps are performed:
- forming an aqueous suspension of papermaking fibers;
- dispersing the fibers in the aqueous suspension;
- diluting the suspension;
- feeding the suspension to a forming section; and - dewatering the diluted suspension to form a wet web.
18. A product formed by the process of:
(a) transferring a wet web from a transfer fabric to a drying fabric, the drying fabric having depressed portions, wherein the wet web is conformed to the depressed portions of the drying fabric;
(b) drying the wet web to form a sheet having raised and depressed areas, the depressed areas of the sheet forming channels in the sheet, the sheet having a machine direction in its long dimension and a cross direction perpendicular to the machine direction;
(c) rolling the sheet to form a rolled paper product;
(d) wherein the channels align in registration when the sheet is in the rolled condition, with raised and depressed areas aligning in registration, thereby forming a nested rolled paper product having a compact exterior diameter.
19. The product of claim 18 wherein the rolling step of the process used to form the product additionally comprises aligning channels in a nested registration along the machine direction of the sheet.
20. The method of claim 18 wherein the rolling step of the process used to form the product additionally comprises aligning channels in a nested registration along the cross direction of the sheet.
CA002425834A 2000-10-31 2001-10-29 Method and apparatus for forming a rolled paper product Expired - Lifetime CA2425834C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/702,707 US6746569B1 (en) 2000-10-31 2000-10-31 Nested rolled paper product
US09/702,707 2000-10-31
PCT/US2001/051144 WO2002040260A2 (en) 2000-10-31 2001-10-29 Method and apparatus for forming a rolled paper product

Publications (2)

Publication Number Publication Date
CA2425834A1 true CA2425834A1 (en) 2002-05-23
CA2425834C CA2425834C (en) 2009-12-29

Family

ID=24822277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002425834A Expired - Lifetime CA2425834C (en) 2000-10-31 2001-10-29 Method and apparatus for forming a rolled paper product

Country Status (7)

Country Link
US (2) US6746569B1 (en)
EP (1) EP1332258B1 (en)
AU (1) AU2002241781A1 (en)
CA (1) CA2425834C (en)
DE (1) DE60125573T2 (en)
MX (1) MXPA03003602A (en)
WO (1) WO2002040260A2 (en)

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US20060088696A1 (en) * 2004-10-25 2006-04-27 The Procter & Gamble Company Reinforced fibrous structures
US7524399B2 (en) 2004-12-22 2009-04-28 Kimberly-Clark Worldwide, Inc. Multiple ply tissue products having enhanced interply liquid capacity
ITMI20050258A1 (en) * 2005-02-21 2006-08-22 Giovanni Gambini MULTILAYER HYGIENIC PAPER
US20070137814A1 (en) * 2005-12-15 2007-06-21 Kimberly-Clark Worldwide, Inc. Tissue sheet molded with elevated elements and methods of making the same
US9327888B2 (en) 2007-02-23 2016-05-03 The Procter & Gamble Company Array of sanitary tissue products
MX2009010586A (en) * 2007-04-04 2009-10-26 Procter & Gamble Sanitary tissue product roll.
FI120838B (en) * 2007-07-17 2010-03-31 Metso Paper Inc Method and apparatus for controlling the optical properties of a fiber web in a fiber web manufacturing and / or finishing machine
US7960020B2 (en) 2008-02-29 2011-06-14 The Procter & Gamble Company Embossed fibrous structures
US7811665B2 (en) 2008-02-29 2010-10-12 The Procter & Gamble Compmany Embossed fibrous structures
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USD813480S1 (en) 2016-02-18 2018-03-20 Kimberly-Clark Worldwide, Inc. Wiper substrate
USD858114S1 (en) * 2017-03-22 2019-09-03 Easy Gardener Products, Inc. Landscaping fabric sheet with pattern
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Also Published As

Publication number Publication date
EP1332258A2 (en) 2003-08-06
WO2002040260A2 (en) 2002-05-23
MXPA03003602A (en) 2003-06-19
US6746569B1 (en) 2004-06-08
EP1332258B1 (en) 2006-12-27
CA2425834C (en) 2009-12-29
WO2002040260A3 (en) 2002-08-01
DE60125573D1 (en) 2007-02-08
US20030066616A1 (en) 2003-04-10
AU2002241781A1 (en) 2002-05-27
US6613193B2 (en) 2003-09-02
DE60125573T2 (en) 2007-07-05

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Effective date: 20211029