US20080263975A1 - Printed border - Google Patents

Printed border Download PDF

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Publication number
US20080263975A1
US20080263975A1 US12/078,009 US7800908A US2008263975A1 US 20080263975 A1 US20080263975 A1 US 20080263975A1 US 7800908 A US7800908 A US 7800908A US 2008263975 A1 US2008263975 A1 US 2008263975A1
Authority
US
United States
Prior art keywords
panel
border
surface
substrate
floor
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.)
Abandoned
Application number
US12/078,009
Inventor
Bruce Mead
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.)
Kingspan Holdings (IRL) Ltd
Original Assignee
Kingspan Holdings (IRL) Ltd
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
Priority to US10/211,643 priority Critical patent/US20040023006A1/en
Priority to US11/436,984 priority patent/US7531055B2/en
Application filed by Kingspan Holdings (IRL) Ltd filed Critical Kingspan Holdings (IRL) Ltd
Priority to US12/078,009 priority patent/US20080263975A1/en
Publication of US20080263975A1 publication Critical patent/US20080263975A1/en
Application status is Abandoned legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/04Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0446Ornamental plaques, e.g. decorative panels, decorative veneers bearing graphical information
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/06Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/024Sectional false floors, e.g. computer floors
    • E04F15/02405Floor panels
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1052Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1052Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1059Splitting sheet lamina in plane intermediate of faces
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1052Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062Prior to assembly
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1052Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062Prior to assembly
    • Y10T156/1075Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
    • Y10T156/1077Applying plural cut laminae to single face of additional lamina
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777Edge feature

Abstract

A floor panel for an elevated floor including a printed border along the edge of the floor panel and a protective wear surface over the printed surface.

Description

  • This application is a continuation of application Ser. No. 10/211,643 filed Aug. 5, 2002.
  • FIELD OF INVENTION
  • This invention relates generally to a method of producing a floor panel for an elevated floor, including printing a border along the edge thereof, and includes the floor panel with the printed edge.
  • BACKGROUND ART
  • Elevated floors have been gaining widespread usage and prominence in view of the wide proliferation of computers installed and used in buildings. These elevated floors are sometimes called “computer floors”. Generally speaking such elevated floors are designed to be supported on pedestals at the corners of the elevated floor so as to present an access space between the elevated floor and the floor structure that can be used to run electrical cabling, computer lines, air conditioning or other heating systems.
  • These computer floors comprise floor panels and are often provided with some form of floor covering laminated to the upper surface thereof to provide a finished, exposed floor surface. These floor coverings may be carpeted, include vinyl asbestos tile (VAT) or high-pressure laminate usually referred to as HPL. When the floor covering is laminated to the upper surface of the floor panel an attractive floor appearance is provided with the plurality of abutting floor panels defining the floor where individual panels can be removed.
  • Existing technology shows floor panels having a black border or coloured border disposed around the perimeter of the access floor panel so as to generally:
    • (a) offer an attractive appearance
    • (b) mask any gaps or joints
    • (c) prevent chipping or exposure of the chipping of the edges.
  • Floor panels have heretofore been designed that include applying plastic shapes around the perimeter of the trim as disclosed in U.S. Pat. No. 4,447,998. These trims tend to become loose and fall off and become a maintenance problem.
  • Other prior art devices comprise routing and exposing an inner core of black paper to construct a trimmed appearance. Generally the trim is disposed lower than the surface of the decorative laminate an example of which is shown in U.S. Pat. No. 4,625,491. Disadvantages experienced from such routed edges stem from the paper core left exposed and unprotected against cleaners and moisture, and the recessed groove acts as a dirt and moisture trap.
  • Other prior art methods comprise burning the top clear melamine surface and applying a ultra violet cured paint to simulate a black border or trim. However, it is generally difficult to control the burning process accurately and accordingly such process sometimes burn through the decorative layer and sometimes does not totally remove the clear protective layer resulting in the applied paint wearing off. Other prior art methods include laminating the patterned wear surface to a substrate of black or coloured plastic to make a layered system where the substrate becomes the border or trim.
  • Furthermore patterned tiles have also heretofore been known as disclosed in U.S. Pat. Nos. 5,670,288 and 6,413,618.
  • It is an object of this invention to provide an improved floor tile having a patterned edge and an improved method of producing same.
  • DISCLOSURE OF INVENTION
  • It is an aspect of this invention to provide a method of producing a floor panel for an elevated floor comprising the steps of printing a border along the edge of said floor panel then applying a protective wear surface over said printed surface.
  • It is a further aspect of this invention to provide a method of producing a floor panel for an elevated floor comprising the steps of printing a plurality of grid lines on a substrate, cutting said substrate along said grid lines so as to present a floor covering having an edge defined by said cut grid lines, applying said cut substrate to a load surface of said floor panel.
  • It is yet another aspect of this invention to provide a method of producing a floor covering for an elevated floor comprising the steps of printing a decorative pattern including a plurality of rectangular grid lines on one surface of a paper substrate, combining said paper substrate with a plurality of sheets to produce a floor covering, applying a wear surface on said decorative surface, cutting said floor covering along said grid lines so as to present a plurality of floor covering panels having an edge defined by said cut grid lines, applying an adhesive to a load surface of said elevated floor so as to bond one of said floor cover panels to said load surface.
  • It is a further aspect of this invention to provide a floor panel for an elevated floor comprising a base adapted to be supported and providing a load bearing surface, a floor covering co-extensive with and adhering to said load surface of said base, a printed edge presented by said floor covering, a protective coat over said floor cover and printed edge.
  • BRIEF DESCRIPTION OF DRAWINGS
  • FIG. 1 is a representative perspective view of the printing process.
  • FIG. 2 is a top plan view of the printed decorative surface.
  • FIG. 3 is a side elevational magnified view of the floor covering.
  • FIG. 4 is a side view of the floor covering adhered to the load surface of the base.
  • BEST MODE FOR CARRYING OUT THE INVENTION
  • In the description that follows, like parts are marked throughout the specification and the drawings with the same respective reference numerals. The drawings are not necessarily to scale and in some instances proportions may have been exaggerated in order to more clearly depict certain features of the invention.
  • FIG. 1 is a perspective representative view of the invention to be described herein. In particular a roll 2 of substrate 4 is unwound and subjected to a printing process to be described herein. The substrate may be any variety of materials to be used as a floor covering such as paper, plastic or the like. In particular a floor covering 10 is produced by printing a decorative pattern 12, which includes a plurality of grid lines 14. More specifically the pattern of grid lines comprises a rectangular or square pattern including longitudinal lines 16, 18 and 20 and transverse lines 22, 24, 26 and 28. Such decorative patterns 12 and grid lines 14 can be applied by a variety of printing means including computer laser printing or silk screening. Other methods can include roto gravure or other printing means well known to those persons skilled in the art.
  • For example the grid lines 16 can be produced by the spray head 30 while the grid lines 18 and 20 produced by the spray head 32 and 34 respectively. The spray head 30, 32 and 34 may be stationary. On the other hand the transverse grid lines 26 and 28 may be produced by moving spray means 36 which move in a direction transverse to the direction L which is the direction of unravelling of the substrate 4. Other printing methods and arrangements can be utilized all in a manner well known to those persons skilled in the art. As the printed decorative substrate 4 leaves the printing station 40, a plurality of cutting means 42 may be utilized to cut along said grid lines as shall be described herein.
  • It will be noticed that the grid lines 16 and 20 presented along the edges of the substrate 4 are approximately half of the size of the grid line 18 which is disposed within the interior of the printed web of substrate 4 so that once the floor covering 10 is cut by cutting means 42 the relative dimension of the perimetral border will be approximately the same throughout.
  • The substrate 4 is cut by cutting means 42 along the grid lines so as present a floor covering 10 having an edge 50 defined by the grid lines. For example, by looking at FIG. 2 the floor covering 10 has an edge 50 defined by grid line 25 cut grid line 18, cut grid line 26 and grid line 16. The relative width W of grid line 18 is approximately twice the width of grid line 25 X so that once the substrate 4 is cut by cutting means 42 the border 50 along the perimetral edge will be approximately the same thickness. Any variety of cutting means 42 can be utilized. In particular the cutting means 42 can comprise knives or cutting wheels 43 and 45. In one arrangement the cutting wheel 43 can be stationary while the cutting wheel 45 may move by a variety of means well known to those persons skilled in the art in a direction transverse to the unwinding of the roll 2.
  • Accordingly the method described herein generally comprises a method of producing a floor panel for an elevate floor which comprises the steps of printing a border along the edge of the floor panel.
  • The printed substrate 4 is mounted on a stack of sheets 51, which in one embodiment comprises a stack of Kraft paper and then consolidated under heat and pressure. In one embodiment the consolidation comprises stacking the black or coloured border 50 on substrate 4 on top of a stack of Kraft paper 51 with a clear protective surface sheet 60 and pressed to make a standard high-pressure laminate (HPL) sheet of a thickness required or specified for a floor covering 10 application.
  • The floor tiles 10 may be printed and pressed in a 24 inch by 24 inch, 24⅛ by 24⅛ or 49×97 inch sheets then cut to base panel 70 and then cut to panel size prior to lamination to the floor panel itself. The HPL floor surface 10 may be cut oversize to approximately 24, and a black border applied by silk screening process with the clear protective layer 60 applied with heat and pressure. The oversized floor surface 10 with the black border 50 could then be sized prior to adhesion to the load surface 80 of a base 70 by means of an appropriate adhesive 82.
  • The printing or marking means may be applied at the time of printing a decorative surface 12 to the web 4 or may be applied at a later stage. Furthermore it is possible that no decorative surface 12 is applied but rather the grid pattern 14 applied thereon.
  • The colour chosen for the grid pattern 14 is generally a dark colour such as black, brown or the like, but could be any colour.
  • The invention described herein provides a black or coloured border or trim that is permanently printed to the laminate itself. The trim or border 50 will generally not wear off, dislodge or become loose. The border 50 requires no removal of material and is protected by the same high wear finish 60 as the rest of the floor covering 10. The trim or border 50 is flush with and has generally no upward or downward step in the surface of the floor covering.
  • The invention described herein utilizes high-pressure plastic laminate having a black or coloured border 50 printed into the pattern decorative laminate to produce the appearance of a border or trim 50 around the perimeter of the floor covering 10. The method described herein eliminates the need to route and expose an inner core. Furthermore the method eliminates the need to laser etch the surface and apply a printed trim which may wear off. Furthermore the invention described herein eliminates the need to have an extra lamination and a joint between the trim and the laminate.
  • The invention as described herein may in one embodiment comprise a layer of melamine or other clear protective product applied over the decorative layer of the printed paper. The decorative layer of printed paper has a black border printed approximately 24 inches by 24 inches by ⅛ inch wide grid to produce a black border around the tile. The black border may be applied to the decorative paper.
  • In another embodiment the black grid lines may be printed or marked in a 24 inch by 24 inch by 3/16 inch wide pattern. Furthermore such grid lines may be printed on a portion of a surface of a substrate 4 as shown for example by the region marked 13 in FIG. 1 which may be used for standard metric 600 mm by 600 mm laminate. Furthermore the border 50 may be any colour.
  • The thickness of the high-pressure laminate sheet may vary and in some embodiments can range from 1/16 inch to ¼ inch depending on the intended use. However, the invention is not limited to such thickness and may be outside of the range described above. Furthermore the wear resistant overlay 60 may comprise Mylar or other material. In one embodiment the printed substrate 4 may be cut to approximately 49 inches by 97 inches and then pressed as described and thereafter rough cut to approximately 24⅛ inch panels.
  • The rough cut floor cover panels may then be disposed into a sizing machine such as a router or the like that adjusts to provide a 24 inch by 24 inch or 600 mm by 600 mm panel with a black grid line of approximately 0.100 inch located equally as a border 50 around the panel.
  • Thereafter the HPL panel is then laminated to the access floor panel 70. The edges of the panel may be marked with black ink 90 as shown in FIG. 4 with black ink, paint, marker or the like.
  • The sizing machine (not shown) may consist of two cutters on tracks (not shown) spaced to the size of the tile. The tile must generally be located dead center using a laser beam or mechanical device to find the center of the grid or panel 10. The panel 10 is then clamped down by a variety of means including a vacuum table. The cutters may then travel past the tile cutting to size. The table then may rotate 90° and the cutters travel past cutting the other two sides. The part may then be taken off and finished to size.
  • According the invention described herein comprises a method of producing a floor covering for an elevated floor comprising the steps of:
    • (a) printing a decorative pattern including a plurality of rectangular grid lines 14 on one surface of a paper substrate 4;
    • (b) laminating or combining the paper substrate 4 with a plurality of Kraft sheets 51;
    • (c) applying a wear surface 60 on the decorative surface;
    • (d) cutting the floor panel along the grid lines 14 to present a plurality of floor covering panels having an edge 50 defined by the grid lines 14;
    • (e) applying an adhesive 82 to the load surface 80 of the elevated floor base 70 so as bond one of the floor cover panels 10 the load surface 80.
  • Various embodiments of the invention have now been described in detail. Since changes in and/or additions to the above-described best mode may be made without departing from the nature, spirit or scope of the invention, the invention is not to be limited to said details.

Claims (13)

1-20. (canceled)
21. A floor covering panel for an elevated floor, the panel comprising:
a substrate having a surface and edges;
a protective wear overlay over the surface; and
a border permanently printed on the substrate surface with the protective wear overlay over the surface and border, the printed border having an appearance of a border around a perimeter of the panel, the border being protected by the protective wear overlay and being flush with a remainder of the panel, having no step upward or downward.
22. The panel as claimed in claim 21, further comprising a printed pattern on said surface encompassed by the border.
23. The panel as claimed in claim 21, wherein the substrate is paper.
24. The panel as claimed in claim 23, wherein the substrate is a high pressure lamination of a plurality of layers of paper.
25. The panel as claimed in claim 21, wherein the protective wear overlay is melamine material.
26. The panel as claimed in claim 21, wherein the protective wear overlay is mylar material.
27. The panel as claimed in claim 21, wherein the printed border includes printed lines having a dark color.
28. The panel as claimed in claim 27, wherein the printed lines are black.
29. The panel as claimed in claim 21, wherein the substrate is square.
30. The panel as claimed in claim 21, wherein the substrate is rectangular.
31. An elevated floor comprising:
a base adapted to be supported and having a load bearing surface; and
a plurality of panels including
a substrate having a surface and edges;
a protective wear overlay over the surface; and
a border permanently printed on the substrate surface with the protective wear overlay over the surface and border, the printed border having an appearance of a border around a perimeter of the panel, the border being protected by the protective wear overlay and being flush with a remainder of the panel, having no step upward or downward, said panels being co-extensive with and adhered to the load bearing surface.
32. The elevated floor as claimed in claim 31, wherein borders of the panels at edges of the load bearing surface include a floor border.
US12/078,009 2002-08-05 2008-04-29 Printed border Abandoned US20080263975A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/211,643 US20040023006A1 (en) 2002-08-05 2002-08-05 Printed border
US11/436,984 US7531055B2 (en) 2002-08-05 2006-05-19 Printed border
US12/078,009 US20080263975A1 (en) 2002-08-05 2008-04-29 Printed border

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/078,009 US20080263975A1 (en) 2002-08-05 2008-04-29 Printed border

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US11/436,984 Division US7531055B2 (en) 2002-08-05 2006-05-19 Printed border

Publications (1)

Publication Number Publication Date
US20080263975A1 true US20080263975A1 (en) 2008-10-30

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US10/211,643 Abandoned US20040023006A1 (en) 2002-08-05 2002-08-05 Printed border
US11/436,984 Active US7531055B2 (en) 2002-08-05 2006-05-19 Printed border
US12/078,009 Abandoned US20080263975A1 (en) 2002-08-05 2008-04-29 Printed border

Family Applications Before (2)

Application Number Title Priority Date Filing Date
US10/211,643 Abandoned US20040023006A1 (en) 2002-08-05 2002-08-05 Printed border
US11/436,984 Active US7531055B2 (en) 2002-08-05 2006-05-19 Printed border

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US20080000417A1 (en) * 2004-10-05 2008-01-03 Valinge Innovation Ab Appliance and method for surface treatment of a board shaped material and floorboard
US20080034701A1 (en) * 2005-02-15 2008-02-14 Valinge Innovation Ab Building panel with compressed edges and method of making same
US20080120938A1 (en) * 2006-09-15 2008-05-29 Jan Jacobsson Device and method for compressing an edge of a building panel and a building panel with compressed edges
US20110041996A1 (en) * 2003-12-02 2011-02-24 Valinge Innovation Ab Floorboard, system and method for forming a flooring, and a flooring formed thereof
US7930862B2 (en) * 2006-01-12 2011-04-26 Valinge Innovation Ab Floorboards having a resilent surface layer with a decorative groove
US8181416B2 (en) 2004-10-22 2012-05-22 Valinge Innovation Ab Mechanical locking system for floor panels
US8359805B2 (en) 2006-07-11 2013-01-29 Valinge Innovation Ab Mechanical locking of floor panels with a flexible bristle tongue
US8365499B2 (en) 2009-09-04 2013-02-05 Valinge Innovation Ab Resilient floor
US8572922B2 (en) 2011-07-05 2013-11-05 Valinge Flooring Technology Ab Mechanical locking of floor panels with a glued tongue
US8596013B2 (en) 2012-04-04 2013-12-03 Valinge Innovation Ab Building panel with a mechanical locking system
US8650826B2 (en) 2011-07-19 2014-02-18 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8677714B2 (en) 2005-03-30 2014-03-25 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
US8683698B2 (en) 2002-03-20 2014-04-01 Valinge Innovation Ab Method for making floorboards with decorative grooves
US8763340B2 (en) 2011-08-15 2014-07-01 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8769905B2 (en) 2011-08-15 2014-07-08 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8800150B2 (en) 2003-02-24 2014-08-12 Valinge Innovation Ab Floorboard and method for manufacturing thereof
US8857126B2 (en) 2011-08-15 2014-10-14 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8887468B2 (en) 2011-05-06 2014-11-18 Valinge Flooring Technology Ab Mechanical locking system for building panels
US8997430B1 (en) 2010-04-15 2015-04-07 Spanolux N.V.-Div. Balterio Floor panel assembly
US9050220B2 (en) 2001-09-19 2015-06-09 The Procter & Gamble Company Color printed laminated structure, absorbent article comprising the same and process for manufacturing the same
US9216541B2 (en) 2012-04-04 2015-12-22 Valinge Innovation Ab Method for producing a mechanical locking system for building panels
US9260870B2 (en) 2014-03-24 2016-02-16 Ivc N.V. Set of mutually lockable panels
US9314936B2 (en) 2011-08-29 2016-04-19 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US9725912B2 (en) 2011-07-11 2017-08-08 Ceraloc Innovation Ab Mechanical locking system for floor panels
US10059084B2 (en) 2014-07-16 2018-08-28 Valinge Innovation Ab Method to produce a thermoplastic wear resistant foil
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US20070095452A1 (en) 2007-05-03
US7531055B2 (en) 2009-05-12
US20040023006A1 (en) 2004-02-05
CA2435496A1 (en) 2004-02-05

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