CA2524685A1 - Single ply tissue products surface treated with a softening agent - Google Patents

Single ply tissue products surface treated with a softening agent Download PDF

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Publication number
CA2524685A1
CA2524685A1 CA002524685A CA2524685A CA2524685A1 CA 2524685 A1 CA2524685 A1 CA 2524685A1 CA 002524685 A CA002524685 A CA 002524685A CA 2524685 A CA2524685 A CA 2524685A CA 2524685 A1 CA2524685 A1 CA 2524685A1
Authority
CA
Canada
Prior art keywords
web
tissue
sheet
single ply
tissue sheet
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
CA002524685A
Other languages
French (fr)
Other versions
CA2524685C (en
Inventor
Kou-Chang Liu
Tom G. Shannon
Peter J. Allen
Geof Carlow
Mike Goulet
Paul Burden
Greg Aykens
Joe Capizzi
Thomas Hunt
Diane Linskens
Roger Wendler
John Wnek
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
Kimberly-Clark Worldwide, Inc.
Kou-Chang Liu
Tom G. Shannon
Peter J. Allen
Geof Carlow
Mike Goulet
Paul Burden
Greg Aykens
Joe Capizzi
Thomas Hunt
Diane Linskens
Roger Wendler
John Wnek
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 Kimberly-Clark Worldwide, Inc., Kou-Chang Liu, Tom G. Shannon, Peter J. Allen, Geof Carlow, Mike Goulet, Paul Burden, Greg Aykens, Joe Capizzi, Thomas Hunt, Diane Linskens, Roger Wendler, John Wnek filed Critical Kimberly-Clark Worldwide, Inc.
Publication of CA2524685A1 publication Critical patent/CA2524685A1/en
Application granted granted Critical
Publication of CA2524685C publication Critical patent/CA2524685C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/22—Agents rendering paper porous, absorbent or bulky
    • D21H21/24—Surfactants
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/22—Agents rendering paper porous, absorbent or bulky
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • D21H27/008—Tissue paper; Absorbent paper characterised by inhomogeneous distribution or incomplete coverage of properties, e.g. obtained by using materials of chemical compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/59—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon
    • 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.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446—Wrinkled, creased, crinkled or creped
    • Y10T428/24455—Paper
    • Y10T428/24463—Plural paper components
    • 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]
    • Y10T428/31971—Of carbohydrate
    • 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]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31975—Of cellulosic next to another carbohydrate
    • 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]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31975—Of cellulosic next to another carbohydrate
    • Y10T428/31978—Cellulosic next to another cellulosic
    • 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]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31975—Of cellulosic next to another carbohydrate
    • Y10T428/31978—Cellulosic next to another cellulosic
    • Y10T428/31986—Regenerated or modified
    • 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]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31993—Of paper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Sanitary Thin Papers (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Detergent Compositions (AREA)

Abstract

Tissue products are described that have been topically treated with a chemical additive, such as a softener. The softener may be, for instance, a polysiloxane. The polysiloxane is topically applied to a tissue sheet, such as a single ply sheet, so as to form a Z-directional gradient in the sheet.
Particular, most of the polysiloxane remains on the surface of the tissue product as opposed to migrating to the center of the sheet. In this manner, tissue sheets are formed with improved softness at lower levels of polysiloxane and without the need for applying any surfactants to the sheet. A
system for applying chemical additives to tissue sheets is also described. The system includes a chemical additive applicator, such as a meltblown die that emits the chemical additive through a plurality of orifices. In one embodiment, the system includes a device for periodically cleaning the orifices during application of the chemical additive. The cleaning device may be, for instance, a brush that traverses across the die head when desired.

Claims (64)

1. A single ply tissue sheet comprising:

a tissue web containing cellulosic fibers, the tissue web including a first side, a center, and a second and opposite side; and a softening agent present at the first side and at the second side of the tissue web, wherein the softening agent is distributed non-uniformly across the thickness of the tissue web so as to form a gradient in the Z-direction of the web, the Z-directional gradient between the first and second sides of the web and the center of the web being at least 15%.
2. A single ply tissue sheet as defined in claim 1, wherein the Z-directional gradient is at least 20%.
3. A single ply tissue sheet as defined in claim 1, wherein the Z-directional gradient is at least 40%.
4. A single ply tissue sheet as defined in claim 1, wherein the Z-directional gradient is at least 70%.
5. A single ply tissue sheet as defined in claim 1, wherein the tissue web comprises softwood fibers, hardwood fibers, or mixtures thereof.
6. A single ply tissue sheet as defined in claim 1, wherein the softening agent comprises a polysiloxane.
7. A single ply tissue sheet as defined in claim 6, wherein the polysiloxane contains a polydialkylsiloxane component comprising from about 0.05% to about 5% by weight of the total sheet weight.
8. A single ply tissue sheet as defined in claim 1, wherein the softening agent is combined with a skin beneficial agent, the skin beneficial agent comprising aloe vera, vitamin E, petrolatum, or mixtures thereof.
9. A single ply tissue sheet as defined in claim 1, wherein the softening agent has been topically applied to each side of the tissue web.
10. A single ply tissue sheet as defined in claim 1, wherein the tissue web contains surfactants in an amount of less than about 0.08% by weight of dry fiber.
11. A single ply tissue sheet as defined in claim 1, wherein the tissue web contains surfactants in an amount of less than about 0.025% by weight of dry fiber.
12. A single ply tissue sheet as defined in claim 7, wherein the tissue web contains surfactants in an amount of less than about 5% by weight of the amount of polydialkylsiloxane present in the sheet.
13. A single ply tissue sheet as defined in claim 7, wherein the tissue web contains non-ionic surfactants in an amount of less than about 5% by weight of the amount of polydialkylsiloxane present in the sheet.
14. A single ply tissue sheet as defined in claim 7, wherein the tissue web contains non-ionic surfactants having an absorbency at 620 nm of less than 0.15%.
15. A single ply tissue sheet as defined in claim 7, wherein the ratio of an absorbency to polydialkylsiloxane content ratio of less than about 0.65.
16. A single ply tissue sheet as defined in claim 1, wherein the softening agent is present on the first side and the second side of the tissue web in the form of continuous filaments distributed in a random fashion across the surface of the tissue.
17. A single ply tissue sheet as defined in claim 1, wherein the tissue web has a basis weight of from about 5 gsm to about 200 gsm.
18. A single ply tissue sheet as defined in claim 1, wherein the softening agent covers from about 0.5% to about 80% of the surface area of each side of the tissue web.
19. A single ply tissue sheet as defined in claim 12, wherein the tissue sheet has a Wet Out Time of less than about 10 seconds.
20. A single ply tissue sheet as defined in claim 13, wherein the tissue sheet has a Wet Out Time of less than about 10 seconds.
21. A single ply tissue sheet as defined in claim 1, wherein the softening agent is present on each side of the tissue web in the form of a random continuous network.
22. A single ply tissue sheet as defined in claim 1, wherein the tissue web has a bulk of greater than about 2 cm3/g.
23. A single ply tissue sheet as defined in claim 1, wherein the tissue web has a bulk of greater than about 8 cm3/g.
24. A single ply tissue sheet as defined in claim 1, wherein the softening agent comprises an amino-functional polydialkylsiloxane, a polydialkylsiloxane, a polyetherpolydialkylsiloxane, an amino functional polyetherpolydialkylsiloxane copolymer and mixtures thereof.
25. A single or multi-ply tissue sheet comprising:

a tissue web containing cellulosic fibers, the tissue web having a first side, and a second and opposite side;
a softening agent present at the first side and optionally the second side of the tissue web, the softening agent comprising a polydialkylsiloxane component present in the web in an amount of from about 0.1% to about 5% by weight; and wherein the tissue web contains non-ionic surfactants in an amount of less than about 5% by weight of the amount of polydialkylsiloxane present in the sheet.
26. A tissue sheet as defined in claim 25, wherein the tissue web contains non-ionic surfactants having an absorbency at 620 nm of less than 0.15%.
27. A tissue sheet as defined in claim 25, wherein the ratio of absorbency to polydialkylsiloxane content is less than about 0.65.
28. A tissue sheet as defined in claim 25, wherein the ratio of absorbency to polydialkylsiloxane content is less than about 0.4.
29. A tissue sheet as defined in claim 25, wherein the tissue web contains total surfactants in an amount of less than about 5% by weight of the amount of polydialkylsiloxane present in the sheet.
30. A tissue sheet as defined in claim 25 comprising a single ply, wherein the softening agent is applied to both sides of the single ply tissue web and wherein the softening agent is distributed non-uniformly across the thickness of the tissue web so as to form a gradient in the Z-direction of the web, the Z-directional gradient between the first and second sides of the web and the center of the web being at least 15%.
31. A single ply tissue sheet as defined in claim 30, wherein the softening agent is distributed non-uniformly across the thickness of the tissue web so as to form a gradient in the Z-direction of the web, the Z-directional gradient between the first and second sides of the web and the center of the web being at least 25%.
32. A single ply tissue sheet as defined in claim 30, wherein the softening agent is distributed non-uniformly across the thickness of the tissue web so as to form a gradient in the Z-direction of the web, the Z-directional gradient between the first and second sides of the web and the center of the web being at least 50%.
33. A single ply tissue sheet as defined in claim 30, wherein the softening agent is distributed non-uniformly across the thickness of the tissue web so as to form a gradient in the Z-direction of the web, the Z-directional gradient between the first and second sides of the web and the center of the web being at least 70%.
34. A tissue sheet as defined in claim 25, wherein the tissue web comprises softwood fibers, hardwood fibers, or mixtures thereof.
35. A tissue sheet as defined in claim 25, wherein the softening agent is combined with a skin beneficial agent, the skin beneficial agent comprising aloe vera, vitamin E, petrolatum, or mixtures thereof.
36. A tissue sheet as defined in claim 25, wherein the softening agent has been topically applied to each side of the tissue web.
37. A tissue sheet as defined in claim 25, wherein the softening agent is deposited on the first side and the second side of the tissue web in the form of continuous filaments.
38. A tissue sheet as defined in claim 25, wherein the tissue web has a basis weight of from about 5 gsm to about 80 gsm.
39. A tissue sheet as defined in claim 25, wherein the softening agent covers from about 40% to about 80% of the surface area of each side of the tissue web.
40. A tissue sheet as defined in claim 25, wherein the tissue web has a Wet Out Time of less than about 20 seconds.
41. A tissue sheet as defined in claim 40, wherein the tissue web has a Wet Out Time of less than about 8 seconds.
42. A tissue sheet as defined in claim 25, wherein the softening agent is present on each side of the tissue web in the form of a random continuous network.
43. A tissue sheet as defined in claim 25, wherein the tissue web has a bulk of greater than about 2 cm3/g.
44. A tissue sheet as defined in claim 25, wherein the tissue web has a bulk of greater than about 8 cm3/g.
45. A tissue sheet as defined in claim 25, wherein the softening agent comprises an amino functional polysiloxane, a polydialkylsiloxane, a polyetherpolydialkylsiloxane , an amino functional polyetherpolydialkylsiloxane copolymer and mixtures thereof.
46. A single ply tissue sheet comprising:

a tissue web containing cellulosic fibers, the tissue web including a first side, a center, and a second and opposite side; and a softening agent present at the first side and at the second side of the tissue web, wherein the softening agent is distributed non-uniformly across the thickness of the tissue web so as to form a gradient in the Z-direction of the web, the softening agent being present at the first side and at the second side of the web in a random continuous network defining treated areas and untreated areas, the random continuous network comprising continuous filaments.
47. An apparatus for applying chemical additives to fibrous webs comprising:

a conveying device for supporting a moving web;
a chemical additive applicator positioned in relation to the conveying device so as to apply a chemical additive to a moving web, the chemical additive applicator comprising a row of orifices for emitting the chemical additive;
and a cleaning device for periodically removing debris from the row of orifices of the chemical additive applicator, the cleaning device comprising a brush that traverses across the orifices.
48. An apparatus as defined in claim 47, wherein the chemical additive applicator comprises a meltblown die.
49. An apparatus as defined in claim 47, wherein the cleaning device is slidably mounted on a track.
50. An apparatus as defined in claim 47, wherein the brush rotates as it traverses across the orifices.
51. An apparatus as defined in claim 47, wherein the brush is movable between a cleaning position and a disengagement position.
52. An apparatus as defined in claim 47, further comprising a plurality of fluid jet nozzles positioned adjacent to the row of orifices, the plurality of fluid jet nozzles emitting a fluid against the orifices for further cleaning the orifices.
53. An apparatus as defined in claim 52, wherein the plurality of fluid jet nozzles are configured to move between an engagement location positioned adjacent to the row of orifices and a disengagement location.
54. An apparatus as defined in claim 53, wherein the plurality of fluid jet nozzles pivot between the engagement location and the disengagement location.
55. An apparatus as defined in claim 47, further comprising a vacuum device positioned adjacent to the row of orifices.
56. An apparatus as defined in claim 55, wherein the vacuum device includes at least one suction chamber mounted on the brush.
57. An apparatus as defined in claim 47, wherein the chemical additive applicator includes a shield member positioned adjacent to the row of orifices, the shield member defining a smooth running surface for contact with the brush as the brush traverses across the orifices.
58. An apparatus as defined in claim 47, further comprising a scraping device positioned to periodically contact the brush in order to clean the brush.
59. An apparatus as defined in claim 51, wherein the brush has a width that is at least 80% of the width of the row of orifices.
60. An apparatus as defined in claim 52, wherein the fluid jet nozzles are all located on a common conduit, the conduit being mounted on the chemical additive applicator.
61. An apparatus as defined in claim 58, wherein the scraping device comprises a flat edge positioned to contact the brush.
62. An apparatus as defined in claim 47, further comprising at least one fluid jet nozzle mounted on the brush.
63. An apparatus as defined in claim 47, wherein the chemical additive applicator is electrically grounded.
64. An apparatus as defined in claim 55, wherein the vacuum device includes a long slit that is positioned adjacent to the row of orifices.
CA2524685A 2003-05-19 2004-03-04 Single ply tissue products surface treated with a softening agent Expired - Fee Related CA2524685C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/441,143 2003-05-19
US10/441,143 US7396593B2 (en) 2003-05-19 2003-05-19 Single ply tissue products surface treated with a softening agent
PCT/US2004/006913 WO2004104298A2 (en) 2003-05-19 2004-03-04 Single ply tissue products surface treated with a softening agent

Publications (2)

Publication Number Publication Date
CA2524685A1 true CA2524685A1 (en) 2004-12-02
CA2524685C CA2524685C (en) 2012-01-17

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CA2524685A Expired - Fee Related CA2524685C (en) 2003-05-19 2004-03-04 Single ply tissue products surface treated with a softening agent

Country Status (8)

Country Link
US (2) US7396593B2 (en)
EP (2) EP1950346A3 (en)
KR (1) KR20060008978A (en)
AU (1) AU2004242060B2 (en)
BR (1) BRPI0410008A (en)
CA (1) CA2524685C (en)
MX (1) MXPA05011736A (en)
WO (1) WO2004104298A2 (en)

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US20040163785A1 (en) * 2003-02-20 2004-08-26 Shannon Thomas Gerard Paper wiping products treated with a polysiloxane composition
US7147752B2 (en) * 2003-12-19 2006-12-12 Kimberly-Clark Worldwide, Inc. Hydrophilic fibers containing substantive polysiloxanes and tissue products made therefrom
US7811948B2 (en) 2003-12-19 2010-10-12 Kimberly-Clark Worldwide, Inc. Tissue sheets containing multiple polysiloxanes and having regions of varying hydrophobicity
US7422658B2 (en) 2003-12-31 2008-09-09 Kimberly-Clark Worldwide, Inc. Two-sided cloth like tissue webs
EP1874532A4 (en) * 2005-03-21 2008-08-06 Univ California Controllable nanostructuring on micro-structured surfaces
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US20040234804A1 (en) 2004-11-25
EP1627108A2 (en) 2006-02-22
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WO2004104298A2 (en) 2004-12-02
EP1950346A3 (en) 2011-01-26
AU2004242060A1 (en) 2004-12-02
BRPI0410008A (en) 2006-04-25
WO2004104298A3 (en) 2005-09-09
US7897015B2 (en) 2011-03-01
EP1950346A2 (en) 2008-07-30
US7396593B2 (en) 2008-07-08
US20080257512A1 (en) 2008-10-23
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AU2004242060B2 (en) 2009-03-12
EP1627108B1 (en) 2013-07-17

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