HIGH RESOLUTION ELASTOMERIC EXTERIOR LAMINATE MATERIAL AND METHOD OF FORMING SAME
20240416619 ยท 2024-12-19
Assignee
Inventors
Cpc classification
B32B2317/10
PERFORMING OPERATIONS; TRANSPORTING
International classification
B32B9/04
PERFORMING OPERATIONS; TRANSPORTING
Abstract
An elastomeric laminate material having resolution and image clarity includes an underlying ink graphic fabric material which is receptive to a elastomer-based material, the underlying ink graphic fabric material layer having an image thereon having interstitial areas residing in the underlying ink graphic fabric material layer and elastomer-based transparent material is formed as a layer thereon penetrating the interstitial areas in a manner to substantially remove all air therefrom and which is compressed and consolidated bonded to the ink graphic layer to form a substantially uniform laminate configuration and retain a transparent and elastic cushion characteristic through the exterior polymeric film layer enabling resolution and clarity of the image, wherein the exterior polymeric film layer imparts a nonslip tactile surface to the laminate.
Claims
1. An elastomeric laminate material having resolution and image clarity, which includes: an underlying synthetic porous fabric substrate including one of a woven material and a knitted material having interstitial areas, which includes an ink transferred to said underlying synthetic porous fabric substrate including an ink transferred thereto rendering an ink graphic image therein, while maintaining porosity of in said interstitial areas rendering an ink graphic image in said underlying synthetic porous fabric substrate in a manner which maintains its including porosity through said ink graphic image such that it is receptive to receive an elastomer-based elastomeric-based material about and through said underlying synthetic porous fabric substrate and said interstitial areas; and a transparent elastomer-based elastomeric-based polymeric material which is formed as a layer on and about said underlying synthetic porous fabric substrate having said ink graphic image, said elastomer-based polymeric material as well as penetrating said interstitial areas in a manner to remove and displace air therefrom in an amount to encapsulate said underlying synthetic porous fabric substrate and enable enhanced resolution and clarity of said ink graphic image by virtue of displacing air in said interstitial areas, and bonded to said underlying synthetic porous fabric substrate having said ink graphic image therein to form a substantially uniform laminate configuration, and including post formation surface openings exposing said underlying porous fabric substrate and rendering said elastomeric laminate material absorbent, retaining transparency and elasticity enabling resolution and clarity of said ink graphic image, wherein said transparent elastomer-based polymeric material layer provides a nonslip tactile surface.
2. The elastomeric laminate material of claim 1, said elastomeric laminate material having a specific gravity of at least 0.5.
3. The elastomeric laminate material having resolution and image clarity of claim 1, wherein said underlying synthetic porous fabric substrate has a surfactant thereon.
4. The elastomeric laminate material having resolution and image clarity of claim 1, wherein said transparent elastomer-based elastomeric-based polymeric material has a thickness in the range from 0.001 inches to 0.125 inches.
5. The elastomeric laminate material having resolution and image clarity of claim 1, wherein said laminate is provided in a form of grip surface on one of a container, golf club, a hockey stick, a racquet, a fishing rod, a bicycle handle, a floor, a boat deck, a tool, a firearm, weight lifting bar, article of clothing and a bat.
6. The elastomeric laminate material having resolution and image clarity of claim 1, wherein said ink graphic fabric layer includes one of a polyester, cotton, rayon and nylon which permits said ink graphic fabric layer to be stretched to conform to a multi-dimensional product configuration and retain image clarity.
7. The elastomeric laminate material having resolution and image clarity of claim 1, wherein said transparent elastomer-based elastomeric-based polymeric material includes a surface texture formed thereon, wherein said surface texture has peaks and valleys, wherein a range of peak to valley is from 0.001 inches to 0.040 inches.
8. The elastomeric laminate material having resolution and image clarity of claim 1, wherein said transparent elastomer-based elastomeric-based polymeric material having a hardness a polymer in a range of 20 Shore A to 90 Shore A.
9. The elastomeric laminate material having resolution and image clarity of claim 1, which further includes said ink graphic fabric layer sandwiched between said exterior transparent polymeric film layer and another exterior layer made of one of a polymeric film, a polyfoam, a woven and a non-woven material.
10. The elastomeric exterior laminate material having resolution and image clarity of claim 1, wherein said exterior transparent polymeric film layer includes a predetermined geometric pattern which is of a size and shape to lend cushion to said high resolution elastomeric exterior laminate material.
12. The elastomeric laminate material having resolution and image clarity of claim 5, which further includes a retaining member configured to retain said elastomeric exterior laminate material on one of said contianer, said golf club, said hockey stick, said racquet, said fishing rod, said bicycle handle, said tool, said firearm, and said bat.
13. An elastomeric laminate material having resolution and image clarity, which includes: an underlying synthetic porous fabric substrate including one of a stretchable porous material material having interstitial areas, which includes an ink transferred to said underlying synthetic porous fabric substrate including an ink transferred thereto rendering an ink graphic image therein, while maintaining porosity of in said interstitial areas rendering an ink graphic image in said underlying synthetic porous fabric substrate in a manner which maintains its including porosity through said ink graphic image such that it is receptive to receive an elastomer-based elastomeric-based material about and through said underlying synthetic porous fabric substrate and said interstitial areas; and a transparent elastomer-based elastomeric-based polymeric material which is formed as a layer on and about said underlying synthetic porous fabric substrate having said ink graphic image, said elastomer-based polymeric material as well as penetrating said interstitial areas in a manner to remove and displace air therefrom in an amount to encapsulate said underlying synthetic porous fabric substrate and enable enhanced resolution and clarity of said ink graphic image by virtue of displacing air in said interstitial areas, and bonded to said underlying synthetic porous fabric substrate having said ink graphic image therein to form a substantially uniform laminate configuration, retaining transparency and elasticity enabling resolution and clarity of said ink graphic image, wherein said transparent elastomer-based polymeric material layer provides a nonslip tactile surface, said elastomeric laminate material having a specific gravity of at least 0.5.
14. The elastomeric laminate material of claim 13, wherein said transparent elastomer-based elastomeric-based polymeric material has a thickness in the range from 0.001 inches to 0.125 inches.
15. The elastomeric laminate material having resolution and image clarity of claim 1, wherein said laminate is provided in a form of grip surface on one of a container, golf club, a hockey stick, a racquet, a fishing rod, a bicycle handle, a floor, a boat deck, a tool, a firearm, weight lifting bar, weight lifting bar, an article of clothing and a bat.
15. The elastomeric laminate material having resolution and image clarity of claim 13, wherein said ink graphic fabric layer includes one of a polyester, cotton, rayon and nylon which permits said ink graphic fabric layer to be stretched to conform to a multi-dimensional product configuration and retain image clarity.
16. The elastomeric laminate material having resolution and image clarity of claim 13, wherein said transparent elastomer-based elastomeric-based polymeric material includes a surface texture formed thereon, wherein said surface texture has peaks and valleys, wherein a range of peak to valley is from 0.001 inches to 0.040 inches.
17. The elastomeric laminate material having resolution and image clarity of claim 13, wherein said transparent elastomer-based elastomeric-based polymeric material having a hardness a polymer in a range of 20 Shore A to 90 Shore A.
18. The elastomeric laminate material having resolution and image clarity of claim 1, which further includes said ink graphic fabric layer sandwiched between said exterior transparent polymeric film layer and another exterior layer made of one of a polymeric film, a polyfoam, a woven and a non-woven material.
19. The elastomeric exterior laminate material having resolution and image clarity of claim 1, wherein said exterior transparent polymeric film layer includes a predetermined geometric pattern which is of a size and shape to lend cushion to said high resolution elastomeric exterior laminate material.
20. The elastomeric laminate material having resolution and image clarity of claim 5, which further includes a retaining member configured to retain said elastomeric exterior laminate material on one of said contianer, said golf club, said hockey stick, said racquet, said fishing rod, said bicycle handle, said tool, said firearm, said computer and said bat.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0029] For a better understanding of the present invention, reference is made to the following description of an exemplary embodiment thereof, considered in conjunction with the accompanying drawings, in which:
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DETAILED DESCRIPTION OF THE DRAWINGS
[0066] Referring now to the drawings, the high resolution elastomeric exterior laminate material of the present invention is generally designated by the numeral 10. As can be seen in
[0067] Of particular preference is to use the high resolution elastomeric exterior laminate material 10 in products, such as sporting goods, or other products such as bottles and containers, where imagery, branding, and grip security are desired. In one preferred embodiment, the invention lends itself to an in-mold labeling process wherein a preconfigured laminate material 10. A particular advantage of the instant invention is that the SEBS like laminate material 104 which migrates toward a back side 9 of fabric 8 and protects the exterior top surface 11 whicle permitting a means of cross link bonding to a thermoplastic container structure, such as a bottle 300, wherein the laminate 10 becomes an integral part of the bottle 300 providing not only a texture through exterior surface in top side 11 for enhanced grip, and also is provided with a graphic surface on top side 11 of fabric 8. While the bottle 300 need not comprise a translucent material, in the case where the bottle 300 is made of a translucent composition, for example a blend of polypropylene and a thermoplastic resin, this configuration also provides a bottle 300 with excellent clarity of an image on top side 11 and laminate 10 can have a blank (e.g., white) surface on back side 9 which serves a function of enabling a viewer to see clearly a color of a liquid contained therein when viewing through a transparent portion 302 of the bottle 300. It is also contemplated the container structure an include a computer housing, such as that of a laptop.
[0068] Sport product handles include but are not limited to golf grips, racquet grips, paddle grips, hockey grips, fishing rod grips, bat grips, bicycle grips, weight lifting bar, computer housings and others. The invention may be applied to other products such as tool grips, firearm grips, bow grips, can holders, vehicle and boat decks and floor mats, and other applications.
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[0072] Of the particular importance in the instance invention is the added durability which the fabric provides in combination with a foam layer to be described hereinafter. It is believed that the closed cell structure inherently in foam typically requires a greater pound density for durability. This however is minimized through the other layers of material the instant invention rendering a relatively thin and durable material with a superior clarity and aesthetic appearance.
[0073] As illustrated in
[0074] The film may be metallic in appearance, such as brushed metal, polished chrome, or tinted metal. The film may have a carbon fiber fabric, or any decorative appearance not possible with typical golf grip materials such as rubber and polyurethane.
[0075] The plastic is typically harder than rubber or polyurethane, protecting the grip from going in and out of the bag, or impacting other objects. The plastic film should be elastic in order to comply with the stretch of the grip upon installation, yet offer protection beyond other materials. The appearance of metal-looking caps 2A and 2B will give the golf grip 2 a unique identity.
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[0077] One embodiment contemplates the underlying fabric layer 14 can have exterior film 12 formed in a predetermined geometric pattern e.g., 50a, 50b, 50c, such as a honeycomb as seen in
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[0105] Additionally, the exterior layer 12A can include cuts or holes 204, by laser cutting for example, and/or an optional layer 13 which can include holes 206 to reveal the inner fabric layer 14. It is contemplated the fabric layer 14 can be coated with a surfacant prior to integration into the grip 2. Accordingly, once the fabric 14 is exposed, it acts as a moisture absorber to wick away moisture during use. However, the structure of the grip 2 uniquely enables the user to take a towel, whether openings are formed or not, and squeeze the grip 2 to force moisture into the towel. It is also envisioned the laminate 10 can be wrapped in a manner conventionally seen in strips on handle bars, baseball bats, golf grips, tennis racquets anfd the like. Further, it may be desirable to use a separate strip of cloth which serves as moisture absorber under layer and then cover the under layer with the laminate 10.
[0106] Boats and other vehicles have a need for high friction mats for traction and decoration. Using adhesive to attach the mat works except when the mat must be removed. Removal of the mat is preferred when cleaning the boat, for example cleaning up fish debris or other unpleasant muck. A mat that is adhered cannot be easily removed. If an adhesive is used, then the adhesive must be removed from both the mat and boat surface.
[0107] A mat that can have a removable attachment to the boat surface is preferred. A surface geometry that promotes cohesion or suction to attach the mat is preferred. A mat with a cohesive attachment will function as an adhered mat, yet be removable. The preferred design is to have a 3d texture with suction cup features, for example protrusions with a concave element to them coupled with a relief groove surrounding the protrusions to allow side deformation to increase suction.
[0108] The invention enables the creation of tactile feel tailored to a predetermined hardness. In general a tactile feel is of personal preference to one's skin. For example, the laminate surface can be about the same hardness and friction as skin. This requires a polymer that provides similar characteristics to skin, in the general range of 20 Shore A to 50 Shore A, preferably in the range of 30 Shore A to 40 Shore A, but it is contemplated that higher durometer can be employed for specific application.
[0109] The thickness of each polymer film can vary depending on the desired tactile feel. Film thicknesses ranging from 0.001 inches to 0.125 inches and can achieve a wide range of tactile feel. The preferred range is between 0.010-0.040 inches in thickness.
[0110] The comfort of the grip may be important in various applications. Comfort is determined by film thickness, hardness, and texture. In general the thicker the film 12, and the lower the hardness, the greater the comfort. The surface texture 15 of the film 12 has a significant effect on comfort and traction. The surface texture 15 can have peaks and valleys to provide the desired feel. The range of peak to valley texture can vary from 0.001 inches to 0.040 inches. The spacing of the texture is also a variable, with texture very small classified as microtexture, with peak to peak (or valley to valley) spacing as little as 0.001 inches. Alternatively, peak to peak spacing can be very wide as large as 0.25 inches.
[0111] The shape of the texture 15 will also effect feel, comfort, and traction. Texture 15 may be rounded or smooth, creating more comfort. Texture 15 may be jagged and rough, to offer greater bite, for example, for handles used with gloves.
[0112] The traction of a grip is measured by the friction, or the force required to slide the hand on the surface of the grip. There exist a variety of polymers with different coefficients of friction (COF). In general it is desired to have a polymer with a high COF. The exterior film 12 may be thermoplastic or thermoset. The exterior film 12 will have a hyrdophobic property for high traction when wet or dry
[0113] The clarity or transparency of the exterior film 12 is important in order to show the printed images under the film. In general thermoplastic polymers or elastomers are preferred because they are more transparent. There exist several thermoplastic elastomers such as polyurethane and polymer material that provide the desired combination of durometer, tactile feel, high friction, and transparency.
[0114] Applying the exterior film 12 to the printed fabric 14 may be done via laminating or in a continuous process such as molding, extrusion and/or rolling. This can be a laminating process to compress and consolidate the exterior film 12 and printed fabric 14. This is a highly controlled process with precise machinery to control the pressure, film thickness, and eliminate any air between the exterior film 12 and printed fabric 14. An adhering agent can be provided promoting bonding between the between the exterior film 12 and printed fabric 14, such as adhesive layer, bonding agent, or primer The printed fabric 14 with the exterior film 12 is coined preform 16 as it is in a useful shape for its intended application, e.g., a golf grip. The exterior film 12 may or may not have a texture. The preform 16 may be laminated with a foam or nonwoven backing to create a laminate that in one use may be cut to form a grip strip 400 that is wrapped around a handle as seen in
[0115] That polymer foam could be polyurethane, polyethylene, polystyrene, EVA, neoprene, etc. Some applications, the foam may be any thickness, between 0.010-0.250. For example, for grips it will be between 0.020-0.080. For mats, it will be between 0.100-0.50. The foam may vary in density, cell size, etc to provide the desired cushion.
[0116] The foam may be attached to the laminate using adhesive. A film adhesive can be fixed to the laminate with pressure and heat from a press or laminating machine. It can also be attached using induction heating, where the film is impregnated with conductive material and only the film is heated as pressure is applied by a press or laminating machine. The induction heating has the advantage of reducing foam cell compression because only the film is heated.
[0117] The foam may be adhered without any film adhesive. Heat can be applied at the interface during a lamination process. The heat zone needs to be closely controlled so only the interface of the materials being bonded is heated to achieve polymer softening, flow, and bonding. The polymer content of the foam and laminate must be compatible for this process to achieve adhesion.
[0118] It may be desirable to have more than one layer of foam, for example, a more dense foam on either the top or bottom side of a less dense foam. These foams may be laminated by either of the above mentioned processes (heat or induction). The multilayer foam laminate could be laminated before laminating to the laminate, or everything can be laminated together. A multilayer foam laminate using one or more features of the invention is contemplated.
[0119] Alternatively, the preform 16 is prepared for subsequent molding operation will vary depending on the geometry of the product. For a grip product, it will likely be circular or tubular. The preform 16 can be in sheet form. The preform 16 can be die cut to the desired shape so when rolled or applied on a tube, for example, it approximates the cavity 20 of the injection mold 22. The preform 16 can be mended together at end joints by tape, adhesive, stitching, or other suitable means. In some applications the preform is not fused together to allow the preform to expand freely and conform to the injection mold cavity. In other applications the preform 16 may not cover full circumference of the desired product geometry. The preform 16 may envelope the article to which it attaches, or cover a partial revolution, such as 270 degrees, or 180 degrees, or 90 degrees or less.
[0120] In one contemplated embodiment, the preform 16 can be placed in an injection mold 22 and the mold 22 is closed. Elastomer 18 is injected on the interior side of the preform 16 which creates internal pressure and forces the preform to the cavity geometry. Once the elastomer 18 fills the cavity and presses the preform 16 to the cavity walls, the injection of the elastomer 18 is stopped. The mold 22 is cooled and the product is removed from the injection mold 22.
[0121] An alternative method of applying a high resolution printed and coated image to a product is forming the preform 16 to a previously formed article. This method involves placing the preform 16 over the molded part and applying exterior pressure to fix the preform 16 to the molded part. In desired applications, heat can be applied to facilitate forming the microporous film to the contour of the molded part.
[0122] In another embodiment, the preform 16 can be provided on the outer surface to create a mat surface which can be laid onto a surface such as a deck thereby imparting a visually aesthetically pleasing image with an anti-slip surface and drawings herewith are illustrative of uses of the embodiments.
[0123] The products created using this technology will have a high resolution image on the exterior of the part. That image may be photographic quality showing any image that may be printed by flexographic or digital methods. An exterior film shall be applied over the printed image to provide a tactile feel. The exterior film may have a texture formed to enhance the friction or gripping power of the exterior surface. The texture may be within the thickness of the exterior film or transfer to the printed film. An exterior texture that is formed is provided by a deformed film is capable of greater texture depth, as defined by the peak to valley dimension. The exterior film may be offered in range of hardness, from a soft Shore A 20 to a harder Shore A 90. The texture may range from small undulations of smooth contour to large undulations of sharp radii of peaks and valleys. Additionally, there can be provided a variability of texture and depth.
[0124] An example of the improvements provided by the invention can be seen in the comparative results in the table below. There is a clear visible resolution difference which is achieved which is observed from the displacement of the air by the externally applied material, particularly the instant invention which substantially occupies interstitial areas between the fibers of fabric, and evidenced by the difference in the specific gravities achieved in the products. See Table 1
[0125] Another contemplated use of the invention can be for mats and mud flaps with decorative layer. Printed fabric attached to polymer mud flaps to add some decoration. Mud flaps are typically made from compressed, or injected, or extruded rubber or other polymeric or elastic materials. There is a need to decorate mud flaps with a logo or other information. That artwork is typically screen printed or hot stamped. Any conventional method is limited to the detail of the graphic, number of colors, etc.
[0126] The concept of printing a high resolution image on a fabric, and applying the printed fabric to the mud flap will create a decorated mud flap with superior graphics. Digital printed artwork is capable of millions of colors and resolutions up to 1800 dpi. The proposed method would be print the graphic on a polyester fabric. That printed fabric may or may not receive a protective clear coat.
[0127] The coated printed fabric may be co-molded with the mud flap when it is molded or extruded. Alternatively, the coated printed fabric may be bonded to the mud flap.
[0128] A product with enhanced gripping means combined with high resolution imagery is unique and desirable. The imagery may have numerous colors including neons, metals, chromes, and flakes. The exterior surface of the product may have a range of hardness and texture. The printed images may resist UV and Ozone better than existing thermoplastics and thermosets. The texture of the exterior film is independent of the printed image, providing design flexibility and enhanced product performance. Numerous products may be enhanced with the present invention.
[0129] It will be understood that the embodiment of the present invention assembly and method that have been illustrated are merely exemplary and that a person skilled in the art can make variations to the shown embodiment without departing from the intended scope of the invention. All such variations, modifications and alternate embodiments are intended to be included within the scope of the present invention as defined by the claims.