WO2003095238A9 - Articles and methods for applying color on surfaces - Google Patents
Articles and methods for applying color on surfacesInfo
- Publication number
- WO2003095238A9 WO2003095238A9 PCT/US2003/015043 US0315043W WO03095238A9 WO 2003095238 A9 WO2003095238 A9 WO 2003095238A9 US 0315043 W US0315043 W US 0315043W WO 03095238 A9 WO03095238 A9 WO 03095238A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- optionally
- margin
- article
- rheology
- Prior art date
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/12—Transfer pictures or the like, e.g. decalcomanias
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/10—Applying flat materials, e.g. leaflets, pieces of fabrics
- B44C1/105—Applying flat materials, e.g. leaflets, pieces of fabrics comprising an adhesive layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
Definitions
- the present invention relates to articles and methods for applying color and, in particular, to articles and methods for applying a dry colorant to a surface.
- a surface for example an architectural surface such as an interior or exterior wall or the like, for aesthetic benefits and/or functional benefits such as water resistance.
- Color is typically provided by conventional painting with water-based or oil-based wet paints, application of wallpaper or the like.
- the laborious processes involved with wet painting and wall papering are well known. Typically, it is necessary to protect surrounding areas from collateral mess during such activities by taping adjacent surfaces where the color is not desired, arranging drop clothes to protect floors and furniture, and the like. Extreme care must also be exercised to avoid dripping of paint, wallpaper paste or primer, or other wet-applied materials.
- Many wet paint and wall paper products are also recommended for use together with one or more primers or bases to assist in coverage and/or durability of the desired color, thereby increasing the time and labor for producing a desired color effect on such a surface.
- paints adapted for application to surfaces such as architectural surfaces include one or more volatile organic compounds. Such paints release noxious fumes during and after application, thereby requiring ventilation during and after application, particularly in closed environments such as buildings.
- a seam is formed between each juxtaposed pair of strips. Seams provide imperfections that detract from the aesthetic appearance, or some other property, of the facade presented by the strips. Consequently, seam concealment is a significant concern in such structural surface covering operations. For example, the seams between adjacent dry wall panels are covered with drywall tape.
- covering operations that apply color to a surface wallpaper is applied to interior walls by pasting multiple strips adjacent to each other. Wallpaper may be systematically applied to an interior wall by aligning a vertical edge of an initial strip with a plumb line drawn on the wall. At least one of the opposite vertical edges of the initial strip operates as a verticality guide for the application of subsequent strips of wallpaper.
- the strips Adjacent ones of , the strips are positioned in abutment so as to minimize the presence of gaps between juxtaposed margins or the occurrence of overlap.
- the vertical seams between adjacent pairs of strips are visibly perceptible. The visual presence of the vertical seams detracts from the aesthetic appearance of the color applied to the surface by the wallpaper.
- the color applied to the surface may incorporate one or more seams that detract from the manifestation of the color effect to an observer.
- the present invention is directed to an article for applying color on a surface that includes a sheet of dry colorant having a peripheral edge, a margin adjacent to the peripheral edge, a front sheet surface, a rear sheet surface opposite the front sheet surface, and an adhesive on the rear surface for bonding the sheet to the surface.
- the sheet has a thickness of less than 3.0 mils.
- the margin of the sheet, or the entire sheet including the margin is adapted to reduce the visual perceptibility of a seam created when two sheets are positioned with a juxtaposed relationship.
- Fig. 1 is a diagrammatic top view of an article for applying color to a surface according to the present invention
- Fig. 2 is a diagrammatic end view of the article of Fig. 1 ;
- Fig. 3 is a diagrammatic end view of two articles, as in Fig. 1, applied with a juxtaposed relationship to the surface such that a gap is formed between the articles;
- Fig. 4 is a transverse cross- end view of a filler strip constructed according to the principles of the present invention for filling a gap between adjacent articles as illustrated in Fig.
- Fig. 5 is a diagrammatic end view of a juxtaposed pair of articles having overlapping margins
- Fig. 6 is a diagrammatic end view similar to Fig. 5;
- Fig. 7 is a diagrammatic end view of an article in which the margins are thinned according to principles of the present invention.
- Fig. 8 is a diagrammatic end view of an article in which the margins are thinned according to principles of the present invention.
- Figs. 9A and 9B are diagrammatic cross-sectional views of an article in which the margins are thinned according to principles of the present invention.
- Fig. 10 is a diagrammatic cross-sectional view of a portion of an article having microparticles according to principles of the present invention.
- Fig. 11 is a diagrammatic end view of a portion of an article having projections according to principles of the present invention.
- Fig. 12 is a diagrammatic cross-sectional view of a portion of an article having a cellular structure according to principles of the present invention.
- Fig. 13 is a diagrammatic view of a portion of an article having contoured peripheral edges according to principles of the present invention.
- Fig. 14 is a diagrammatic view of a portion of an article having a pattern according to the principles of the present invention.
- Fig. 15 is a diagrammatic cross-sectional view of a portion of an article having a three-dimensional topography according to the principles of the present invention.
- Fig. 16 is a schematic diagram of one process for producing an article for applying color on a surface according to the principles of the present invention. Detailed Description
- the present invention is directed to articles and methods for applying color on a surface.
- the term "color” is used to refer to a color effect, i.e., a difference in color or visual perception.
- the color effect is a substantially permanent color effect, i.e., a color effect which is not removed upon casual contact, light washing, or the like.
- a substantially permanent color effect is distinguished from a temporary color effect which can be easily removed or reduced, such as that provided by chalk or crayons.
- colorant and “color component” are used synonymously herein to refer to the component of the inventive articles, which provides the color effect.
- the colorant is any composition that provides opacity coverage to a surface to which it is applied and, generally, the colorant comprises a dry pigment or dye, alone or in combination with additional components.
- the colorant may be a dry paint including pigment particles, other conventional paint components, and a liquid carrier that has been substantially removed by vaporization during the process to providing the dry paint.
- the colorant may be an engineered sheet or laminate formed from suitable thermoplastic resins and including a substance, such as pigment particles or dye molecules, in a sufficient concentration and with an appropriate distribution to produce a color effect.
- the colorant may be formed from thermo-formable engineering polymer resins, including but not limited to acrylics, urethanes, polyvinyl chloride (PVC), polyvinylidene fluoride (PVDF) and polyvinylidene chloride (PVDC).
- the various layers of the colorant may possess differing compositions and/or properties effective to apply color to a surface.
- the surface to which color component is applied using the articles and methods of the invention comprises an architectural surface, i.e., a surface of a building, a building fixture (i.e., appliances), furniture, and the like.
- the architectural building surface may be an interior surface within the building or an exterior surface on an outer portion of the building.
- Substantially three-dimensional architectural surfaces can include, for example, edge treatments of two-dimensional surfaces such as moldings (e.g., moldings around windows or doorways), floorboards, appliances, furniture, and the like.
- the architectural surface may be permanently installed or may be temporarily installed or portable.
- the products of the present invention can further be applied to surfaces of articles to give them the same or different texture and/or appearance of architectural surfaces.
- the products hereof can be used to apply a color layer to appliances, furniture, and other architectural articles. Additional surfaces suitable for application of color using the articles and methods of the present invention will be apparent to those skilled in the art in view of the present disclosure.
- an article 10 for applying color on a surface includes a planar sheet 12 of a dry colorant or dry color component and a layer 25 of an adhesive or bonding agent.
- the sheet 12 has a front sheet surface 14, a rear sheet surface 16 opposite the front sheet surface 14, four peripheral edges 20, 22, 24, 26, and a margin 18 disposed adjacent to peripheral edges 20, 22, 24, 26.
- the margin 18 defines an annular strip or band of dry colorant extending circumferentially about the peripheral edges 20, 22, 24, 26 of the sheet 12 and inwardly a given dimension or width toward the center of the sheet 12. Examples of articles 10 are disclosed in U.S. Provisional Application No.
- the article 10 may be a laminate formed from multiple layers of thermoplastic resins, as indicated by reference numeral 19 and shown in dot-dashed lines in Fig. 2. Generally, the average thickness of the sheet 12 and the adhesive layer 25 is less than or equal to about 3 mils.
- the adhesive layer 25 is applied to a substantial portion of the rear sheet surface 16 of sheet 12.
- the adhesive layer 25 may be any bonding agent operative for creating a secure adhesive bond between the article 10 and a surface (not shown).
- a particularly suitable adhesive is pressure-sensitive so that the article 10 can be secured to the surface and repositioned before applying a pressure of a magnitude sufficient to create a final adhesive bond with the surface.
- the article 10 may be wound into a roll and applied to the surface with a suitable applicator (not shown) operative for dispensing the article 10 in a controlled manner. Alternatively, the article 10 may be applied to the surface manually without the use of an applicator. It is appreciated that the applicator may facilitate, or otherwise implement, certain embodiments of the present invention for eliminating, reducing, or otherwise lessening the visual perceptibility of seams between an adjacent pair of articles 10.
- the article 10 Because the dimensions of the article 10 are limited, multiple articles 10 are positioned with an adjoining or juxtaposed relationship to apply color to certain surfaces, such as architectural surfaces including interior and exterior walls of residential and commercial buildings. As a result, one of the peripheral edges 20, 22, 24, 26 of one sheet 12 is positioned adjacent to one of the peripheral edges 20, 22, 24, 26 of another adjacent sheet 12. Depending upon the precise placement of the sheets 12, the respective margins 18 of the juxtaposed pair of sheets 12 are overlapping, abutting, or separated or spaced apart by a groove or gap so as to create a seam. The seam presents an irregularity in the otherwise smooth, uninterrupted coverage of the surface by the articles.
- the visual perceptibility of the seam may be lessened, reduced or eliminated by modifying one or more properties or characteristics of article 10.
- the change in visual perceptibility of the seam may be promoted by a physical mechanism, a chemical mechanism, an optical mechanism, or combinations thereof.
- Adjacent articles 10 may be overlapped or gapped due to, for example, imprecision during application to the surface. Overlaps or gaps between adjacent articles 10 may also be introduced due to dimensional irregularities in the surface to which the articles 10 are being applied. For example, architectural surfaces can bow in and out, sway, lean and frequently lack plumb inner and outer corners. Furthermore, features such as windows and doors present in most architectural surfaces are often out of vertical plumb, sometimes dramatically, and the ceiling line can sway and dip unevenly. These irregularities can be produced by settling of the structural components of the building or by construction errors. Overlap is also present when a custom dimensioned article is used to patch an existing color effect on a surface to, for example, cover or conceal a mark or to cover a small area from which the original color has been removed.
- a plurality of, for example, two articles 10 may be applied to a surface 28 so as to create a gap or groove 30 between each juxtaposed pair of articles 10.
- the adhesive layer 25 of each article 10 contacts a confronting portion of the surface 28 and promotes an adhesive bond therebetween.
- margin 18 of one sheet 12 is juxtaposed in a non-overlapping manner with margin 18 of the adjacent sheet 12 so as to generate the groove 30.
- the groove 30 may have uniform width or a varying width and may be linear or non-linear along extent of the juxtaposition.
- a filler may be introduced into the groove 30 after the articles 10 are applied to surface 28.
- the filler may have any suitable structure or form having one or more characteristics capable of reducing the visual perceptibility of the groove 30.
- the filler is a grout 31 composed of a spreadable material that has physical attributes at ambient temperature, such as a suitably low-viscosity to promote spreadability, suitable for being received into the groove 30.
- the grout 31, after application and curing may be any material having visual characteristics similar to the visual characteristics of the sheet 12 of the adjacent articles 10 and, preferably, any material that is imperceptible or indistinguishable in visual appearance with the visual appearance of sheet 12 of the adjacent articles 10.
- the grout 31 may incorporate a polymer or resin similar to the polymer or resin forming the base material of the sheet 12 or the base material of at least one layer of the sheet 12 that is laminated.
- the grout 31 typically incorporates a substance, such as a pigment or a dye, operative to provide the desired visual characteristics and a suitable solvent or other spreading agent. After the grout 31 is received in the groove 30, a portion of the spreading agent preferably evaporates over a characteristic curing time during which, among other things, the viscosity of the grout 31 is significantly reduced.
- a substance such as a pigment or a dye
- the present invention contemplates that the grout 31 may be applied to the groove 30 between juxtaposed articles 10 either manually or with the assistance of an applicator (not shown). Specifically, for manual application, grout 31 is introduced or injected into groove 30 and wiped or troweled to remove any excess so that the residual grout 31 is generally co-planar with the respective front sheet surfaces 14 of sheets 12.
- An applicator suitable for use in this aspect of the present invention includes a reservoir, which may be refiUable, holding a quantity of the grout 31, a dispensing element for introducing the grout 31 at a regulated uniform rate into the groove 30, and a troweling or wiping element for removing any excess grout 31 not received in the groove 30.
- another suitable filler according to the present invention is a filler strip 32 having any form capable of being associated with the groove 30 in a manner that eliminates, reduces, or lessens the visual perceptibility of groove 30.
- the filler strip 32 includes a center portion 34 and opposed thinner, flexible marginal portions 36, 38 flanking the center portion 34.
- the center portion 34 is adapted to be at least partially received into the groove 30 with each of the marginal portions 36, 38 overlapping a corresponding one of the margins 18 of the two sheets 12.
- the center portion 34 is rigid and the marginal portions 36, 38 are malleable or conformable.
- the filler strip 32 substantially fills the groove 30 in a manner that resists substantial removal forces after application.
- the thickness of the marginal portions 36, 38 is less than a thickness of each sheet 12 so that the marginal portions 36, 38 add a minimal incremental thickness to the overall thickness of the adjacent articles 10.
- the marginal portions 36, 38 of the filler strip 32 may be optically transparent or translucent such that the color provided by sheets 12 is visible therethrough.
- multiple articles 10 may be applied for delivering a color to a surface such that the margin 18 adjacent one of the peripheral edges 20, 22, 24, 26 of one sheet 12 has an overlapping relationship with the margin 18 adjacent one of the peripheral edges 20, 22, 24, 26 of another sheet 12.
- a portion of the margin 18 of the overlying sheet 12 provides an overseam 44 with an exposed surface visible to an observer and a portion of the margin 18 of the underlying sheet 12 is captured as an underseam 46 between the overseam 44 and the surface 28.
- the overlap between overseam 44 and underseam 46 will be less than or equal to about 0.5 inches, although the present invention is not so limited as it is contemplated that the overlap between the articles 10 could extend over the entire area of sheet 12.
- the average thickness of the overlapping overseam 44 and underseam 46 is less than about 6 mils.
- the overseam 44 and underseam 46 may be characterized in three dimensions by a height in a z-direction, a width in the x-direction, and a length in the y-direction. It is appreciated that the seam, formed by overseam 44 and underseam 46, extends in the y-direction into the plane of the page of Figs. 5, 6 and that the effective dimension of the seam in the x-direction typically varies in the y-direction. The incremental height added by the overseam 44 in the z-direction is substantially equal to the thickness of margin 18.
- a portion of the seam may have a non-contacting relationship with the surface 28 so that a cavity 48 is created between a portion of the margin 18 and the surface 28.
- Another portion of the overseam 44 creates an abrupt, sharp edge at peripheral edge 24.
- the discontinuity in the otherwise substantially planar surface of the juxtaposed articles 10 introduced by the presence of edge 24 provides an observable or perceptible visual indication of the location of edge 24 to a viewer of surface 28.
- the entire sheet 12 or at least the margin 18 of sheet 12 near at least one of the peripheral edges 20, 22, 24, 26 is modified in a manner that eliminates, reduces or lessens the visual perceptibility of the overseam 44 created by the overlap between the respective margins 18 of a juxtaposed pair of sheets 12. It is contemplated that the various principles of the present invention may be combined for achieving the elimination, reduction or lessening of the visual perceptibility of the seam provided by the overlapping overseam 44 and underseam 46.
- the margin 18 adjacent at least one of the peripheral edges 20, 22, 24, 26 is thinner, before application to surface 28, than other portions of sheet 12 laterally disposed between the margins 18.
- the average thickness of the margin 18 adjacent at least one of the peripheral edges 20, 22, 24, 26 may be reduced to about one-half of the thickness of the remaining portions of the dry colorant sheet so that, after overlapping, the composite thickness of the sheets is uniform or substantially uniform.
- the present invention is not so limited.
- the margin 18 of sheet 12 is beveled or tapered outwardly toward peripheral edges 20, 24. It is appreciated that the margin may be tapered adjacent to any of the peripheral edges 20, 22, 24, 26. As illustrated in Fig. 7, the margin 18 is tapered toward the front sheet surface 14 toward peripheral edge 20 and tapered toward the rear sheet surface 16 adjacent peripheral edge 24.
- the tapering of margin 18 provides oppositely oriented wedge-shaped surfaces 40, 42 that extend into and out of the plane of the page of Fig. 7. Specifically, margin 18 tapers from a first thickness at each of respective common boundaries 41, 43 shared with a peripherally inward portion of the sheet 12 to a second lesser thickness at the respective peripheral edges 20, 24.
- the thickness of the margin 18 decreases in a direction from each of the common boundaries 41, 43 to the corresponding one of the peripheral edges 20, 24.
- the margin 18 may be tapered with a non -uniform taper angle so that the thickness of the wedge-shaped surfaces 40, 42 is not monotonically varying as illustrated in Fig. 7.
- the margin 18 near at least one of the peripheral edges 20, 22, 24, 26 may be feathered so that the thickness in the z-direction and lateral width in the x-direction of the thinning vary randomly with location.
- the margin 18 of sheet 12 is shaped as a joint half 45 at peripheral edge 20 and as a complementary joint half 47 at the opposite peripheral edge 24.
- the joint halves 45, 47 provide a complete lap joint.
- the overlapping lap joints 45, 47 preferably have an effective thickness that produces a flush or continuous surface with the peripherally inward portions of each of the juxtaposed articles 10. It is appreciated that joint halves 45, 47 may have any complementary structure capable of being associated as a lap joint and is not limited to the specific embodiment depicted in Fig. 8.
- an average thickness of the margin 18 illustrated in Figs. 7 and 8 is less than an average thickness of peripherally-inward portions of sheet 12. It is contemplated by the invention that the margin 18 may be thinned by, for example, providing wedge-shaped surfaces 40, 42 or joint halves 45, 47, during manufacture of the article 10 by the forming process (e.g., printing of the sheet 12) or by a mechanical or wet chemical process, after forming, that selectively removes a suitable thickness of the sheet 12. Alternatively, it is appreciated that mechanical and wet chemical thinning of the margin 18 may be performed at the point of application of article 10 to the surface.
- the thickness of removed material may be controlled, for example, by regulating the exposure time of the dry colorant of the margin 18 to the etchant chemical.
- the etchant chemical may be applied with a suitable applicator and removed with a device, such as a wet vacuum, or by simple wiping with an appropriate absorbent article or other removal device when the exposure time lapses.
- the etchant chemical may be provided to the consumer in a kit also containing the article 10 for applying color and that the applicator for the etchant chemical and/or the removal device may be incorporated into the applicator for applying the articles 10 to the surface 28 (Fig. 5).
- the sheet 12 of article 10 is formed from a plurality of, for example, five layers 50-54 and is effectively thinned in vicinity of the margin 18 by contouring at least the respective peripheral edges 20, 24 so as to provide a tiered or rounded edge structure.
- the center layer 52 of sheet 12 projects in a laterally outward direction beyond layers 50, 51, 53 and 54 and layers 51 and 53 project laterally outward beyond layers 50 and 54.
- the tiering of the margin 18 at edges 20, 24, when viewed at a typical viewing distance from surface 28, provides a rounded appearance that operates to further eliminate, reduce or otherwise lessen the visual perceptibility of edges 20, 24.
- the sheet 12 of article 10 is formed from a plurality of, for example, four layers 55-58 and is rounded in vicinity of the margin 18 by contouring at least the respective peripheral edges 20, 24 so as to provide a tiered or rounded edge structure.
- the laterally outward projection of layers 55-58 progressively decreases from layer 55 to layer 58 so that layer 55 projects outwardly the least relative distance and layer 58 projects outwardly the greatest relative distance.
- a pair of the articles 10 are applied to surface 28 (Fig. 5) an edge 20 of one of the articles 10 overlapped with another edge 24 of another of the articles 10, the overlapping thickness will be significantly reduced.
- the tiering of edges 20, 24, when viewed by an observer at a typical viewing distance from surface 28, provides a rounded appearance that operates to further eliminate, reduce or otherwise lessen the visual perceptibility of edges 20, 24.
- the average opacity index of the entire surface of the article 10 is between about 0.95 and 1.0, as measured according to ASTM D2805.
- the average thickness of the overlapping portions of the respective margins 18 of a juxtaposed pair of articles 10 is less than 6 mils.
- the visual perceptibility of overlapped margins 18 of adjacent articles 10 is eliminated, reduced or otherwise lessened by incorporating an additive operative to modify the rheology of the sheet 12.
- the rheology-modifying additive is operative to promote selective coalescence, densification or fusion of the overlapped portions of the margin 18 of juxtaposed sheets 12.
- the action of the rheology-modifying additive may occur spontaneously or with the assistance of an initiator.
- a compressive pressure may also be applied to margin 18 at the point of application without departing from the spirit and scope of the invention.
- the rheology-modifying additive may be any chemical agent that temporarily increases the workability and flexibility of the sheet 12.
- the rheology-modifying additive should be inactive, or otherwise dormant, while the article 10 is stored and before application to the surface 28 (Fig. 5).
- the rheology-modifying additive may volatize or evaporate from the margin 18, after a characteristic working period, or may remain resident in the article 10 after the coalescence is concluded. Once coalescence is concluded, the rheology-modifying additive should be no longer present or should remain present in a concentration such that the article 10 is not overly susceptible to mechanical damage.
- the rheology-modifying additive may be dispersed throughout the dry colorant forming sheet 12 or may be locally confined to dry colorant forming the margin 18. In either instance, the application of compressive pressure, if required to provide the coalescence, can be restricted to the margin 18 by using a suitable roller of the like of a limited width. It is further appreciated the article 10 may need to be stored in a controlled environment after manufacture so as preserve the chemical action of rheology-modifying additives that are volatile. For example, articles 10 containing such volatile rheology-modifying additives may be stored after manufacture in a sealed container (not shown), such as a Mylar bag.
- the rheology-modifying additive may be a plasticizer added to the formulation of the material forming the sheet.
- the plasticizer would allow the dry colorant of the sheet 12 to flow for a period until the concentration of temporary plasticizer is sufficiently reduced by volatilization.
- the plasticizer will be present in the dry colorant of sheet 12 after manufacture at a concentration of less than about 30 wt.%.
- Plasticizers suitable for use in the present invention include propylene glycol, ethylene glycol, dibutyl phthalate and tricyresyl phosphate.
- Another plasticizer suitable for use in the invention is benzyl phthalate, which is available commercially under the SANTICIZER ® tradename from Ferro Corporation (Cleveland, Ohio).
- the rheology of thermoplastic polymers used to form article 10 may be modified by, for example, varying the type of polymer resin, blending various different polymer resins, or varying the molecular weight of the polymer.
- the rheology-modifying additive is a liquid-sensitive chemical agent operative to coalesce the margin 18, when selectively exposed to a suitable initiator consisting of an activation liquid at the point of application, after the article 10 is applied to the surface 28 (Fig. 5).
- the activation liquid promotes a chemical reaction with the liquid-sensitive chemical agent that coalesces the dry colorant forming the margin 18 so that the thickness of the overlapped overseam 44 and underseam 46 (Fig. 5) is reduced and so that the exposed edge 24 of the overseam 44 is rounded or curved. Both effects are believed to reducing the visual perceptibility of the overlapping ones of margins 18 of a juxtaposed pair of articles 10.
- the chemical reaction between liquid-sensitive chemical agent and the activation liquid is controlled to provide a predetermined thickness reduction of the overseam 44 and underseam 46 and/or rounding of the exposed edge of the overseam 44 (Fig. 5).
- the activation liquid is consumed or spent and the chemical reaction ceases or otherwise halts.
- the activation liquid may be removed or a sufficient amount of an appropriate neutralizing agent may be added.
- the liquid-sensitive chemical agent and the activation liquid should be compatible with the chemistry of the dry colorant forming the sheet 12 such that the physical properties and color of the article 10 are not significantly affected once coalescence is induced and concluded.
- the liquid may be applied to sheet 12 at ambient temperature or heated before application.
- the liquid- sensitive chemical agent may be dispersed throughout the dry colorant forming sheet 12 or may be localized in the dry colorant forming the margin 18. If the entire sheet 12 contains the liquid- sensitive chemical agent, the application of the activation liquid should be controlled to wet only the margin 18, such as by employing a suitable applicator of a restricted effective application width. It is contemplated that the activation liquid may be provided in a kit also containing the article 10 for applying color and that the applicator for the activation liquid may be incorporated into the applicator for applying the article 10 to the surface 28 (Fig. 5).
- the rheology-modifying additive is a thermally-activated chemical agent activated, at the point of application to surface 28 (Fig. 5), when heated above ambient temperature.
- the thermally-activated chemical agent has a characteristic activation temperature that must be exceeded to initiate the coalescence. Below the activation temperature, the thermally-activated chemical agent is substantially inactive or inactive.
- the activation temperature of the thermally- activated chemical agent is selected such that article 10 does not experience any significant physical degradation or color change when heated to the activation temperature.
- thermally- activated chemical agents cause the dry colorant of the overlapped overseam 44 and underseam 46 to become more densely packed or to level by spreading for reducing the composite thickness and rounding the exposed peripheral edge 24 of the overseam 44 (Fig. 5).
- the margin 18 is exposed to a suitable heat source, such as a flow of heated air from a blower, a heated applicator or roller, or a laser, for a duration and at a temperature sufficient to cause the desired thickness reduction of the overlapped overseam 44 and underseam 46 and/or rounding of peripheral edge 24 of overseam 44 (Fig. 5).
- a compressive pressure may be applied to margin 18 to assist the action of the thermally -activated chemical agent.
- the application of heat may be controlled so that only the margin 18 is heated to the characteristic activation temperature.
- a heated roller of a suitable effective rolling width may be utilized.
- the heat source may be operative to transfer heat by convection, conduction, radiation, or any combination thereof.
- thermally-activated chemical agent should be compatible with the chemistry of the dry colorant such that the physical properties of the dry colorant are not significantly affected by the presence of the thermally-activated compound, unless heat activated.
- thermally-activated chemical agents appropriate for use in the invention as a copolymer include ethylene-vinyl acetate copolymer and polyvinyl acetate copolymer. Suitable ethylene-vinyl acetate resins are available under the tradename Ultrathen from Equistar (Houston, TX). Suitable polyvinyl acetate resins are available under the tradename VINNAPAS from Wacker Polymer Systems (Adrian, Michigan).
- ethylene-vinyl acetate copolymer and polyvinyl acetate copolymer are known to have a softening range between about 50°C and about 125°C. It is contemplated that other suitable copolymers could be selected that would have differing softening ranges for heat activation depending upon the specific application.
- Sheets 12 formed of engineered films containing thermoplastic resins are readily deformed or placed in a state suitable for deformation by the application of a compressive pressure, when heated to a sufficiently high temperature.
- the rheology-modifying additive may be intrinsic to the formulation of the thermoplastic resin.
- the base thermoplastic resin of the sheet 12 may be blended with another thermoplastic resin to provide the requisite heat sensitivity for inducing coalescence.
- the rheology-modifying additive may be enclosed in microcapsules for release and activation upon the application of an external trigger. Any suitable method of microencapsulation may be used to divide the rheology-modifying additive into minute liquid particles and to surround particles of the rheology-modifying additive with rupturable enveloping walls formed of a material having a suitable composition.
- the material forming the enveloping walls should be sufficiently thick and/or of a suitably compatible material to resist chemical attack by the encapsulated rheology-modifying additive and, preferably, is inert to the chemical action of the encapsulated rheology-modifying additive.
- the material of the enveloping walls should be impermeable to the confined rheology-modifying additive for a sufficient shelf life after manufacture to permit the articles 10 to be applied to the surface and release of the rheology-modifying additive.
- the microencapsulated particles of rheology- modifying additive may be evenly distributed with a uniform density in the sheets 12 or may be localized in the margin 18.
- One method of initiating the action of the microencapsulated chemical agent is to provide frangible enveloping walls sufficiently thin to rupture upon mechanical or physical manipulation, such as a compressive pressure, during or shortly after application of the article 10 to surface 28.
- the enveloping walls should have a thickness sufficient to prevent premature release of the chemical agent by accidental rupture under the physical manipulation occurring during mixing and sheet fabrication and during storage.
- Other initiation or activation triggers include, but are not limited to, release by dissolving the enveloping walls with a suitable solvent and release by selectively exposing the enveloping walls to radiant energy such as heat or light.
- the rheology-modifying additive is a solvent at the point of application and operative to coalesce the dry colorant of margin 18.
- solvents promote a chemical reaction with the dry colorant forming the margin 18 that coalesces the polymer or resin base material of the dry colorant so that the thickness of the overlapped overseam 44 and underseam 46 (Fig. 5) is reduced and the exposed edge 24 of the overseam 44 (Fig. 5) is rounded or curved.
- the action of the solvent is controlled to provide a predetermined degree of thickness reduction and/or level of rounding.
- the solvent should be compatible with the formulation of the dry colorant such that the physical properties and color of the article 10 are not significantly affected in a permanent manner after the coalescence is conclude.
- the application of the solvent is preferably regulated so that the only the margin 18 is wetted.
- suitable solvents include, but not limited to, toluene, methylethyl ketone, methyl isobutyl ketone, and ethanol, capable of providing the desired coalescence.
- the visual perceptibility of the seam created by the overlapping overseam 44 and underseam 46 of the respective margins 18 is reduced or eliminated by providing the article 10 (Fig. 5), in at least the vicinity of margin 18, with an additive or structure that mechanically compresses or collapses upon the application of a compressive pressure of a sufficient magnitude as an initiator after application of article 10 to the surface 28 (Fig. 5).
- a compressive pressure of a sufficient magnitude as an initiator after application of article 10 to the surface 28 (Fig. 5).
- the magnitude of the compressive pressure, manually-applied and unaided by mechanical assistance is less than about 50 pounds per square inch (PSI) and, typically, is less than about 10 PSI.
- the compressive pressure may be applied using a pressure- applying device, such as a roller, of a suitable width that increases the magnitude of the applied compressive pressure due to the mechanical assistance in excess of the magnitude of the equivalent compressive pressure applied to the device. It is appreciated that the suitable width may be the entire width of the article 10.
- the selective collapse of the collapsible structure reduces the effective thickness of the overlapping overseam 44 and underseam 46 after a juxtaposed pair of articles 10 is applied to surface 28.
- the compressive pressure may be a differential pressure consisting of a first pressure applied in the margin 18 and a lesser pressure applied to peripherally inward portions of the article 10.
- the compressive pressure may be applied uniformly in those specific embodiments of the invention in which the margin 18 is more susceptible to the effects of the compressive pressure than the remainder of the article 10.
- the entire article 10 is modified so that the thickness is reduced by the application of a compressive pressure and the margin 18 is adapted to have a greater response to that compressive pressure so that the margin 18 experiences a greater thickness reduction than peripherally inward portions of the article 10.
- the collapsible structure or additive is introduced into the formulation of the dry colorant or into the formulation of the material forming adhesive layer 25 (Fig. 5) or, as may be the case, is provided by a suitable forming process at the point of manufacture.
- the article 10 includes a plurality of microparticles 60, usually gas-filled, that are engineered to collapse or crush upon the application of a force at the point of application to surface 28 (Fig. 5).
- the gas-filled microparticles 60 may be incorporated in the sheet 12 of dry colorant as shown in Fig. 10, in the adhesive layer 25 as indicated by microparticles 61 shown in phantom lines in Fig. 10, or in both of these components of the article 10.
- the microparticles 60, 61 may be positioned so as to span the boundary or interface between the adhesive layer 25 and the sheet 12 of dry colorant.
- microparticles 60, 61 should be inert or otherwise non- reactive with the components of the sheet 12 and/or adhesive layer 25.
- Individual gas-filled microparticles 60, 61 may be of any closed geometrical shape, such as spheroidal.
- the microparticles 60, 61 should have a sufficiently small dimension such that their presence does not introduce outwardly-extending irregularities perceivable by an observer viewing the front sheet surface 14 after the article 10 is applied to the surface 28 (Fig. 5) for which a color benefit is desired.
- the microparticles 60, 61 should have a maximum dimension less than about 75% of the thickness of the sheet 12 and may have a distribution of particle sizes in which a maximum particle size is less than about 75% of the thickness of the sheet 12.
- the microparticles 60, 61 may be dispersed uniformly throughout the volume of the sheet 12 and/or adhesive layer 25 (Fig. 5). Any fragments originating from the collapsed microparticles 60, 61 are retained within the sheet 12 or the adhesive layer 25, as may be the case.
- microparticles 60, 61 into the dry colorant of the sheet 12 and/or adhesive layer 25 (Fig. 5) may be limited to the vicinity of margin 18. If the microparticles 60, 61 are present only in the margin 18 (Fig. 5) or in the adhesive layer 25 beneath margin 18, the thickness of the overlapped overseam 44 and underseam 46 (Fig. 5) will be reduced by the application of a compressive pressure thereto. If the microparticles 60, 61 are present throughout in the entire sheet 12, a differential compressive pressure is applied at the point of application so that the overlapped overseam 44 and underseam 46 and/or adhesive layer 25 are subjected to a greater compressive pressure than other portions of the article 10.
- Microspheres in the margin of the article 10 will have a reduced survival rate under the action of the differential pressure so that the overseam 44 and underseam 46 will be thinned collectively more than the remainder of the sheet 12.
- Each of the microparticles 60, 61 has an outer wall 63 formed of any suitable material that is sufficiently thick and/or mechanically strong to resist crushing or collapse until the application of compressive pressure of a sufficient magnitude at the point of application after the article 10 is adhesively secured to the surface 28 (Fig. 5).
- Microparticles 60, 61 formed of hollow glass spheriods are conventional and readily apparent to a person of ordinary skill in the art.
- Exemplary microparticles 60, 61 in the form of hollow glass bubbles having a density in the range of 0.05 g/cc to 0.10 g/cc and a diameter ranging between 40 microns and 177 microns are disclosed in U.S. Patent No. 6,194,064 (Keeley et al.).
- Engineered hollow glass microspheres of soda-lime-borosilicate glass composition are available commercially under the tradename SCOTCHLITE ® Glass Bubbles from Minnesota Mining & Manufacturing Co. (St. Paul, Minn.).
- the article 10 may include a plurality of projections 62 extending outwardly from the rear sheet surface 16 toward the surface 28 (Fig. 5) when the sheet 12 is applied thereto.
- the projections 62 may be, for example, truncated conical or frustoconical protrusions that taper from a base near rear sheet surface 16 toward an opposite tip and that have either a circular, oval or polygonal cross-sectional profile when viewed normal to the rear sheet surface 16. It is appreciated that the projections 62 may assume other geometries capable of collapsing, such as a semi-hemispherical shape or elongate ridges, without departing from the spirit and scope of the present invention.
- Adjacent ones of the projections 62 are spaced with a suitable spacing so that the collapse of adjacent ones of the projections 62 is not interfering.
- the projections 62 are provided with a tensile strength susceptible to collapse or buckle along an axis substantially parallel to a surface normal of the surface 28 when a compressive pressure of a sufficient magnitude is applied in a direction generally toward the surface 28.
- the projections 62 may be uniformly distributed across the rear sheet surface 16 and the projections 62 in the margin 18 (Fig. 5) may be configured to be more susceptible to collapse. As a result, the application of a uniform compressive pressure to the article 10 would provide the desired thinning and edge-rounding for overseam 44 and underseam 46 (Fig. 5). In other embodiments of the invention, the projections 62 may have uniform construction and a greater thickness reduction achieved in the margin 18 by selectively applying a differential compressive pressure consisting of a larger compressive pressure applied to the overlapping overseam 44 and underseam 46 than in other areas of the article 10.
- the projections 62 may be provided only in the vicinity of the margin 18 of the sheet 12 so that the thickness reduction due to collapsing projections 62 is limited to the margin 18.
- the adhesive layer 25 (Fig. 5) may be printed onto the rear sheet surface 16 (Fig. 5) of the sheet 12 with a pattern of projections comparable to projections 62, which are collapsible by a compressive pressure applied at the point of application. Sufficient space is provided between adjacent projections of adhesive layer 25 to allow space for the adhesive layer 25 to expand when the compressive pressure is applied to precipitate the collapse.
- the sheet 12 or a portion of sheet 12 may be provided with a cellular structure including a plurality of cells 64, which may be open and interconnected or isolated and closed.
- the cells 64 are susceptible to collapse or buckling when a compressive pressure of a sufficient magnitude is applied in a direction generally toward the surface 28 (Fig. 5).
- the cells 64 include contiguous rigid cell walls 65 that surround a hollow interior cavity filled with a gas, such as air.
- Individual cells 64 may be provided with larger dimensions and/or more fragile cell walls 65 in the margin 18 (Fig.
- the individual cells 64 may have a uniform susceptibility to collapse and a differential pressure may be employed during application to the surface such that the degree of collapse is greater in the margin 18 than in the peripherally inward portions of the sheet 12.
- the margin 18 of sheet 12 alone may be provided with the cellular structure so that only the thickness of the margin 18 is significantly modified by the application of a compressive pressure.
- the adhesive layer 25 may be provided with a plurality of cells 67, constituting a cellular structure, in addition to, or instead of, the cellular structure of the sheet 12.
- one or more of the outer peripheral edges 20, 22, 24 26 of the margin 18 of sheet 12 are contoured or shaped in a pattern having a plurality of repeat elements 66.
- the repeat elements 66 comprise the individual components of the pattern that collectively provide the contoured edges 18, 22.
- the repeat elements 66 have any configuration, arrangement and/or dimension operative for reducing the visual perceptibility of the overlapping overseam 44 and underseam 46 (Fig. 5).
- the repeat elements 66 and the transitions between adjacent ones of the repeat elements 66 are smoothly curved so that pointed or jagged portions are absent, although the present invention is not so limited.
- repeat elements 66 having, or separated by, jagged edges may be acceptable, according to the principles of the invention, so as to be complementary to a printed pattern 68 (Fig. 14).
- the repeat elements 66 may be either periodic with a constant frequency and amplitude or aperiodic (i.e., random) with a variable, irregular frequency and amplitude. Repeat elements 66 having an amplitude and a wavelength of about 15 Dm to about 12 mm are believed to be acceptable.
- the repeat elements 66 may be created in sheet 12 during the manufacturing process using any suitable device as would be recognized by a person of ordinary skill in the art, including but not limited to cutting implements such as pattern shears and laser cutting devices. Alternatively, the repeat elements 66 may be provided at the point of application by, for example, a hand-held tool or applicator device or by a blade or cutter incorporated into an applicator used to apply the article 10 to the surface 28 (Fig. 5).
- the repeat elements 66 alter the linear nature of the peripheral edge 24 of the overseam 44 (Fig. 5). The ability to perceive the overseam 44 is reduced by the presence of the repeat elements 66 because the human eye tends to perceive an irregular edge less readily than a linear edge.
- a printed pattern is provided on the front sheet surface 14 of the sheet 12.
- the printed pattern 68 contains various shaded areas or image elements 70 surrounded by contrasting areas 72.
- the image elements 70 and contrasting areas 72 may be configured to provide the printed pattern 68 with a visual perception of depth or may be configured to provide a three dimensional appearance to an observer.
- the printed pattern 68 may be provided with an actual depth or texture in three-dimensions by utilizing certain printing techniques known to persons of ordinary skill in the art.
- the image elements 70 and contrasting areas 72 may collectively form any geometrical shape or design effective for reducing the visual perceptibility of overlapping margins 18. It is contemplated by the invention that a printed pattern 68 of greater complexity may be created on the front sheet surface 14 by providing multiple different types of image elements 70 and/or multiple different types of contrasting areas 72.
- the printed pattern 68 may be generated on the front sheet surface 14 by applying any ink or dye composition, either solvent-based or water-based, that is compatible with the dry colorant material forming the sheet 12.
- Conventional methods for applying the printed pattern include gravure, flexography, Mayer rod procedures, slot die applicators, roll coaters, and digital printing, each of which is particularly well-suited useful for applying a printed pattern to sheet material conveyed past a printing station.
- Sheets 12 of dry colorant formed from thermoplastic polymer resins may be provided with a printed image by any suitable printing technique familiar to persons of ordinary skill in the art. Furthermore, the printed image formed on such sheets 12 may have a relief that provides a textured appearance in addition to a characteristic pattern provided by image elements 70 and contrasting areas 72.
- the image elements 70 of printed pattern 68 may be spaced apart by a distance and with a frequency that reduces the visual perceptibility of the overlapping overseam 44 and underseam 46 (Fig. 5).
- the image elements 70 constituting the printed pattern 68 typically have any dimension and spacing compatible with seam concealment and configured or arranged so that the printed pattern 68 has no readily perceived organization.
- Adjacent ones of the image elements 70 in the printed pattern 68 may have a periodic, two-dimensional spacing with a lengthy periodicity so as to not be readily perceived at a normal observation distance.
- the image elements 70 will be any printed pattern 68 of image elements 70 that exhibits no readily perceived organization, regularity, directionality, or orientation of the constituent image elements 70.
- the printed pattern 68 on the front sheet surface 14 may comprise a matrix of pixels, as understood by persons of ordinary skill in the art.
- the printed pattern 68 will have a given pixel density measured in dots per inch.
- Each pixel in the printed pattern 68 is characterized by a hue within the visible electromagnetic spectrum and a pixel size, typically in the range of about 30 Dm to about 100 Dm.
- the printed pattern 68 of pixels may be printed on the front sheet surface 14 of the sheet 12 with an appropriate printing device, such as a dot matrix printer, laser printer or an ink jet printer, as understood by persons of ordinary skill as being operative to apply the ink or dye composition onto the surface.
- an appropriate printing device such as a dot matrix printer, laser printer or an ink jet printer, as understood by persons of ordinary skill as being operative to apply the ink or dye composition onto the surface.
- the front sheet surface 14 (Fig. 2) of the sheet 12 is textured with a three-dimensional topography consisting of multiple surface features 74 either relieved into and projecting outwardly from the sheet 12. More specifically, the surface features 74 are formed, on a statistical average, above and/or below a plane containing the front sheet surface 14 and are spatially distributed in either a random fashion or a repeating pattern.
- the profiles of the surface features 74 are of any configuration or combination of configurations, such as angular, curvilinear, irregular, or the like.
- the surface features 74 may be aperiodic or amorphous or may be added as an intentional or a deliberate pattern having a period that exhibits no readily perceived organization.
- the pattern of surface features 74 is amorphous in that the surface features are non- uniform with regard to their size, shape, orientation, and spacing between adjacent feature centers.
- the center-to-center spacing of adjacent surface features 74 is random, at least within a designer-specified bounded range, such that there is an equal probability of the nearest neighbor to a given surface feature 74 occurring for any arbitrary angular orientation within the plane of the sheet 12.
- One method of creating the surface features 74 is to add a plurality of particulates, such as deformable wax prills or granules of a non-compressible material such as sand, to the article 10.
- the particulates may be located in the dry colorant of sheet 12 or in the adhesive layer 25 (Fig. 5) applied to the rear sheet surface 16 of the sheet 12.
- the spatial distribution of the particulates determines the topography of the dry colorant, which is preferably aperiodic or amorphous.
- the particulates have a maximum dimension greater than the thickness of the article 10 and, typically, have a particle size range of about 0.15 ⁇ m to about 150 ⁇ m. After the article 10 is applied to the surface 28 (Fig. 5), the particulates are visually perceived as outwardly-projecting irregularities.
- the textured pattern of surface features 74 may be stamped, imprinted, embossed or impressed on and/or into the sheet 12 using, for example, a stamp or an embossing roller whose relief portions represent the texture as a negative image.
- the embossing may be accomplished by the application of sufficient heat and/or sufficient pressure to impart the texture.
- the textured pattern of surface features 74 may be applied at the point of application or at the point of manufacture, either before or after the sheets 12 are mounted to the surface 28 (Fig. 5).
- the embossing of an amorphous textured pattern in planar articles during manufacture is described in commonly-owned U.S. Patent No.
- the textured pattern of surface features 74 may be applied by heat and/or pressure using any suitable hand-held tool, such as an embossing roller or an applicator for article 10 that incorporates an embossing roller in its construction.
- a textured backing layer may be associated with the rear sheet surface 16 of the sheet 12 (Fig. 2) either during manufacture or at the point of application.
- the textured backing layer may be formed of any suitable material in which an impressed pattern may be conveyed, such as paper and other cellulosic materials, polymer films and woven or nonwoven fabrics, textile fabrics, glass or ceramic fabrics, and metallized layer(s).
- the backing layer may be one layer of a laminate.
- the backing layer should exhibit sufficient flexibility to allow bending, rolling and other similar manipulations of the article 10 which are required during manufacture and at the point of application.
- the textured backing sheet is distinct from the sheet 12 and is associated with the article 10 at the point of application. To that end, the textured backing sheet is adhesively secured to the surface 28 (Fig. 5), and the article 10 is adhesively bonded to the exposed surface of the textured backing sheet.
- the dry colorant forming the margin 18 is adapted to transmit incident electromagnetic radiation having wavelengths in the visible portion of the spectrum.
- the article 10 is applied to surface 28 (Fig. 5) with an optically opaque margin 18 of one juxtaposed article 10 providing the underseam 46 (Fig. 5) and the optically transmitting margin 18 of the other juxtaposed article 10 providing the overseam 44 (Fig. 5).
- the color of margin 18 of the underlying juxtaposed sheet 12 will be visible through the overlying optically transmitting margin 18 of the other juxtaposed sheet 12.
- the optically transmitting margin 18 may be a transparent medium having a high optical transmission so that incident electromagnetic radiation traverses the margin thickness with little interference, such as absorption or reflection.
- the margin 18 of the overlying juxtaposed sheet 12 may be optically translucent so that the light reflected from the underlying opaque margin 18 is diffused. It is also contemplated by the invention that the entire sheet 12 may be transmissive of radiation having wavelengths in the visible portion of the electromagnetic spectrum.
- a light diffusing substance may be added to the formulation of the dry colorant forming sheet 12 (Figs. 1, 2).
- One specific light diffusing substance is a pearlescent material capable of producing pearlescent-type effects, such as luster, depth, iridescence, metallic sheen, and multiple-color play.
- Pearlescent materials include, but are not limited to, ethylene glycol distearate (EGDS), light diffusing microbeads, mica flakes coated with a metal oxide, pearl essence originating from fish scales or artificially produced, lead carbonate, lead hydrogen arsenate, and bismuth oxychloride.
- the pearlescent material produces color-effects by interference, transmission and absorption of light.
- articles 10 having laminated structures may incorporate that light diffusing substance into one or more individual layers.
- the light diffusing substance may be provided only in the margin 18 of one of the visible layer edges of a laminated sheet 12, as shown in Figs. 9A and 9B.
- the thickness of the dry colorant forming the sheet 12 will affect the perceptibility of the seam formed by the overlapped overseam 44 and underseam 46. Accordingly, thinning the dry colorant of the entire sheet 12 and the adhesive layer 25 to a thickness less than about 3 mils may reduce the visual perceptibility of the seam.
- the various approaches described herein for eliminating, reducing, or lessening the visual perceptibility of the seam created by the overlap of overseam 44 and underseam 46 may be combined without limitation to provide the desired seam concealment.
- the approach of providing a printed pattern may be used in combination with thinning the dry colorant forming the sheet or the margin (Figs. 7 and 8) and contouring the peripheral edge of the margin (Fig. 13)
- the approach of thinning the dry colorant forming the sheet or the margin Figs. 7 and 8) may be used in combination with contouring the peripheral edge of the margin (Fig. 13)
- the approach of thinning the dry colorant forming the sheet or the margin Figs.
- the approach of thinning the dry colorant forming the sheet or the margin may be used in combination with rounding the peripheral edge of the margin (Figs. 9 and 9A)
- the approach of thinning the dry colorant forming the sheet or the margin may be used in combination with adding a light diffusing substance to the dry colorant
- the approach of thinning the dry colorant forming the sheet or the margin may be used in combination with providing a texture with a three-dimensional topography of surface features (Fig. 15)
- the approach of thinning the dry colorant forming the sheet or the margin may be used in combination with providing a texture with a three-dimensional topography of surface features (Fig. 15).
- a rheology-modifying additive such as a thermally- activated chemical agent
- the seam collectively formed by the overlapped overseam 44 and underseam 46 may be an integral part of a pattern formed on the surface when the article 10 is applied thereto.
- the seam may participate in forming a pattern such as if each article is shaped as a square or block and multiple blocks are applied to the surface in a tiled pattern.
- the article 10 may have a pattern of vertical stripes that accommodate the vertical seam created between juxtaposed articles 10 as a feature in the pattern.
- the articles according to the present invention may be formed by a variety of methods and techniques.
- One such method is disclosed herein for illustrative purposes only. More particularly, with reference to Fig. 16, a small, laboratory scale, semi-automated process is shown.
- a releasable liner 100 is provided in roll form and is unrolled to travel through assembly 102 via rollers 104, 106, 108, 110, 112 and 114 to form a completed article 116 which is wound on roll 118.
- trimmed portions 120 are directed to roll 122.
- the releasable liner 100 is pulled as a web 101 through the assembly by a combination of the rolls 118 and 122 and a conveyer 124, for example a vacuum conveyor.
- a suitable vacuum conveyor may comprise a continuous conveyor belt with two pulleys having an array of spaced holes that are exposed to the vacuum chamber immediately below. Negative pressure (vacuum) is created by a forced air blower. As the belt passes over the chamber, a negative pressure is created at each hole such that the releasable liner 100 is securely held to the belt as it passes over the belt. This effect assists in preventing wrinkles in the releasable liner 100 as the applied color component dries.
- the vacuum conveyor belt speed may be matched to that of the drive rolls 118 and 122 driven by a drive 119.
- the shaft of a roller 126 from which the releasable liner 100 is supplied is connected with a friction clutch 128 which may be adjusted to obtain sufficient tension in the web 101 for smooth travel through the process.
- a Fife guiding unit 130 may be provided to track the web travel through the assembly.
- a color component such as wet paint
- the paint or other color component may be water-based or solvent-based as desired.
- the applicator 132 comprises a #50 wire wound rod which may be held against the roller 106 by spring tension or the like such that the web 101 passes between the roller 106 and the applicator 132.
- the color component, such as paint is introduced at the upstream side of the wire wound rod applicator 132 by a manifold 134.
- the manifold is fed by tubing 136 from a peristaltic pump 138 which draws the wet paint from a reservoir 140.
- the paint is dried on the web 101, for example as it passes over the vacuum conveyor 124 by the use of dryers.
- the dryers comprise two infrared heaters 142 which are aided by a forced ambient air duct 144.
- the air duct 144 may conveniently blow the exhaust from the vacuum conveyor 124.
- solvent or other carrier removed during the drying process may be captured and recycled as desired.
- a sheet of dry color component is thus formed on the releasable liner web.
- adhesive is then applied to the sheet of dry color component on the surface opposite the releasable liner.
- adhesive is applied to the surface of the sheet of dry color component on the web 101 at roller 108 by an applicator 148 which may comprise, for example, a #20 wire wound rod.
- the wire wound rod applicator 148 may be held against the roller 108 by spring tension or the like such that the web 101 passes between the roller and the applicator.
- Liquid adhesive is introduced at the upstream side of the wire wound rod applicator 148 by a manifold 146.
- the manifold 146 is fed by tubing 150 from a peristaltic pump 152 which draws the liquid adhesive from a reservoir 154.
- the liquid adhesive in a reservoir 154 is continuously stirred by a mixer 156. With the adhesive applied thereon, the web 101 travels to an oscillating fabric covered roller 158 which traverses back and forth in the machine direction above a slider plate 160 to impart a texture to the liquid adhesive applied to the sheet of dry color component on the web 101. A textured adhesive may allow the article to be more easily repositioned prior to permanent bonding.
- the adhesive is then dried, for example, by passing the web 101 under an infrared heater 162 at roller 110.
- the web 101 travels through rollers 112 and 114, one of which is preferably in the form of a rotary cutting knife.
- roller 114 comprises two rotary cutting knives which are arranged adjacent the edges of the web in order to trim the web edges and provide the final article with the homogenous edges.
- the roller 114 comprises a plurality of rotary cutting knife sets which are arranged so as to cut the web into two or more strips to provide smaller sized articles adapted for applying color to smaller sized areas as discussed above.
- the resulting article 116 is then wound on the roll 118 while the trimmed edges 120 are wound on the roll 122.
- the described assembly 102 and preparation process is illustrative only and variations thereof will be apparent to those skilled in the art.
- release agents in the form of coatings, layers or the like may be provided in the process.
- the sheet of dry color component may be provided in the final article in the absence of a release liner.
- the sheet of dry color component may be formed on a processing web or forming belt and then separated from the processing web or forming belt prior to storage in roll or sheet form.
- the articles according to the invention may be formed using a modified version of the process as described above wherein two releasable liner webs are employed.
- a topcoat composition for forming a topcoat layer may be applied to a releasable liner web by reverse roll, extrusion coating or the like techniques, and dried thereon, for example with heat.
- a color component may then be applied to the dried topcoat layer, for example by reverse roll, gravure coating, printing, or the like techniques, and dried with heat.
- the adhesive may then be applied to a second releasable liner web, followed by laminating the releasable liner-topcoat-dry color component member with the adhesive-releasable liner member, with the dry color component and adhesive in facing relationship.
- Heat may be provided throughout this process by any suitable means including convection or radiation, for example infrared, ultraviolet or the like.
- this method may be used to provide an article including a single releasable liner by merely removing the second releasable liner from the adhesive once the releasable liner-topcoat-dry color component member and the adhesive-releasable liner member have been assembled.
- the color component or adhesive could be applied as a single layer or in multiple layers using a variety of known application techniques including extrusion, spraying, printing, reverse roll, gravure coating, roll application and others known in the art. It is appreciated that the application may provide the sheet with a printed pattern.
- the layers may have the same properties or various layers, different from each other, may be employed to combine various properties such as color, strength, opacity, and the like.
- a blocking agent as described above may be applied to the adhesive surface and/or may be mixed with the adhesive. Heating may be provided by infrared, convection, or radiation apparatus or other techniques known in the art.
- the color component may incorporate additional components, such as a light diffusing substance, particulates, microparticles, or a rheology-modifying additive of the invention.
- Texturization may be provided on or in one or more layers of the article to provide a three-dimensional topography by incorporating a stamp or an embossing roller into the manufacture processes described herein.
- the manufacturing processes described herein may incorporate a cutting implement for contouring or shaping at least one of the outer peripheral edges of the sheet of dry color component.
- the manufacturing process may also include a structure for thinning the margins according to the principles of the invention.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004503290A JP4002272B2 (en) | 2002-05-13 | 2003-05-13 | Articles and methods for coloring a surface |
CN038122243A CN1655955B (en) | 2002-05-13 | 2003-05-13 | Articles and methods for applying color on surfaces |
AU2003239450A AU2003239450A1 (en) | 2002-05-13 | 2003-05-13 | Articles and methods for applying color on surfaces |
KR1020047018260A KR100648020B1 (en) | 2002-05-13 | 2003-05-13 | Articles and methods for applying color on surfaces |
CA2485281A CA2485281C (en) | 2002-05-13 | 2003-05-13 | Articles and methods for applying color on surfaces |
EP03734021A EP1506097A1 (en) | 2002-05-13 | 2003-05-13 | Articles and methods for applying color on surfaces |
MXPA04011222A MXPA04011222A (en) | 2002-05-13 | 2003-05-13 | Articles and methods for applying color on surfaces. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38022402P | 2002-05-13 | 2002-05-13 | |
US60/380,224 | 2002-05-13 |
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WO2003095238A1 WO2003095238A1 (en) | 2003-11-20 |
WO2003095238A9 true WO2003095238A9 (en) | 2004-03-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/US2003/015043 WO2003095238A1 (en) | 2002-05-13 | 2003-05-13 | Articles and methods for applying color on surfaces |
Country Status (9)
Country | Link |
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EP (1) | EP1506097A1 (en) |
JP (1) | JP4002272B2 (en) |
KR (1) | KR100648020B1 (en) |
CN (1) | CN1655955B (en) |
AU (1) | AU2003239450A1 (en) |
CA (1) | CA2485281C (en) |
MX (1) | MXPA04011222A (en) |
TW (1) | TW200412290A (en) |
WO (1) | WO2003095238A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US7709070B2 (en) | 2001-12-20 | 2010-05-04 | The Procter & Gamble Company | Articles and methods for applying color on surfaces |
US7316832B2 (en) | 2001-12-20 | 2008-01-08 | The Procter & Gamble Company | Articles and methods for applying color on surfaces |
AU2004213399A1 (en) | 2003-02-14 | 2004-09-02 | Avery Dennison Corporation | Differential release system for a self-wound multilayer dry paint decorative laminate having a pressure sensitive adhesive |
US20040161564A1 (en) | 2003-02-14 | 2004-08-19 | Truog Keith L. | Dry paint transfer laminate |
US20050196607A1 (en) | 2003-06-09 | 2005-09-08 | Shih Frank Y. | Multi-layer dry paint decorative laminate having discoloration prevention barrier |
US20070215564A1 (en) * | 2006-03-03 | 2007-09-20 | Roxanne Drago Westendorf | In-store display systems |
US20070251632A1 (en) * | 2006-04-28 | 2007-11-01 | Westendorf Roxanne D | Method for applying a decorative laminate to a target surface |
DE102017215481A1 (en) * | 2017-09-04 | 2019-03-07 | Krones Ag | Direct printing device for applying a circulating print image |
JP7187199B2 (en) | 2018-07-19 | 2022-12-12 | キヤノン株式会社 | METHOD FOR TRANSFERRING MEMBER AND METHOD FOR MANUFACTURING LIQUID EJECTION HEAD |
US11358747B2 (en) * | 2019-04-29 | 2022-06-14 | The Procter & Gamble Company | Low opacity thermoformed container having longitudinal seam |
CN110126525B (en) * | 2019-06-14 | 2024-02-23 | 浙江世窗光学薄膜制造有限公司 | Decorative film coating scratch device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1493407A (en) * | 1974-12-16 | 1977-11-30 | Ici Ltd | Decorative sheet material |
US5244524A (en) * | 1990-04-09 | 1993-09-14 | Brother Kogyo Kabushiki Kaisha | Printing method for thermally transferring image section of print sheet to image receiving member |
KR100228593B1 (en) * | 1990-10-25 | 1999-11-01 | 스프레이그 로버트 월터 | Transfer article for forming retroreflective and colored images and marking same |
GB9119655D0 (en) * | 1991-09-13 | 1991-10-23 | Forbo Cp Ltd | Self-adhesive wallcoverings |
US5468532A (en) * | 1992-12-10 | 1995-11-21 | Minnesota Mining And Manufacturing Company | Multilayer graphic article with color layer |
US5409883A (en) * | 1993-05-07 | 1995-04-25 | Minnesota Mining And Manufacturing Company | Process for the manufacture of multi-color donor elements for thermal transfer systems |
US5441784A (en) * | 1994-04-04 | 1995-08-15 | Decora, Incorporated | Paper base wallcoverings |
US6193918B1 (en) | 1999-04-09 | 2001-02-27 | The Procter & Gamble Company | High speed embossing and adhesive printing process and apparatus |
-
2003
- 2003-05-13 KR KR1020047018260A patent/KR100648020B1/en not_active IP Right Cessation
- 2003-05-13 EP EP03734021A patent/EP1506097A1/en not_active Withdrawn
- 2003-05-13 WO PCT/US2003/015043 patent/WO2003095238A1/en active Application Filing
- 2003-05-13 CN CN038122243A patent/CN1655955B/en not_active Expired - Fee Related
- 2003-05-13 JP JP2004503290A patent/JP4002272B2/en not_active Expired - Fee Related
- 2003-05-13 AU AU2003239450A patent/AU2003239450A1/en not_active Abandoned
- 2003-05-13 MX MXPA04011222A patent/MXPA04011222A/en active IP Right Grant
- 2003-05-13 TW TW092112981A patent/TW200412290A/en unknown
- 2003-05-13 CA CA2485281A patent/CA2485281C/en not_active Expired - Fee Related
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EP1506097A1 (en) | 2005-02-16 |
JP4002272B2 (en) | 2007-10-31 |
CA2485281A1 (en) | 2003-11-20 |
CN1655955B (en) | 2010-06-16 |
KR100648020B1 (en) | 2006-11-23 |
JP2005530065A (en) | 2005-10-06 |
CN1655955A (en) | 2005-08-17 |
AU2003239450A1 (en) | 2003-11-11 |
TW200412290A (en) | 2004-07-16 |
CA2485281C (en) | 2010-09-14 |
KR20040106534A (en) | 2004-12-17 |
MXPA04011222A (en) | 2005-01-25 |
WO2003095238A1 (en) | 2003-11-20 |
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