Laser texturing of a surface
US-9629271-B1 · Apr 18, 2017 · US
US10525311B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10525311-B2 |
| Application number | US-201815982957-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 17, 2018 |
| Priority date | May 18, 2017 |
| Publication date | Jan 7, 2020 |
| Grant date | Jan 7, 2020 |
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A game ball configured for direct contact with a user's hands includes a cover formed of a natural leather and having an outer surface. The outer surface of the cover includes a pebbled texture. The pebbled texture includes a plurality of spaced apart pebble-like projections extending from a base region. Each of the pebble-like projections has a pebble height measured from the base region adjacent to the pebble-like projection to a top surface of the pebble-like projection. At least a first portion of the cover includes alphanumeric and/or graphical indicia applied by a laser ghosting process, and a second portion of the cover is formed without the indicia. The average pebble height of a plurality of the pebble-like projections in the first portion of the cover is at least 80 percent of the average height of a plurality of the pebble-like projections in the second portion of the cover.
Opening claim text (preview).
What is claimed is: 1. An inflatable game ball configured for direct contact with a user's hands, the game ball comprising: a flexible, resilient cover formed of a natural leather and having an outer surface, the outer surface of the cover including a pebbled texture, the pebbled texture including a plurality of spaced apart pebble-like projections extending from a base region, each of the pebble-like projections having a pebble height measured from the base region adjacent to the pebble-like projection to a top surface of the pebble-like projection, at least a first portion of the cover including alphanumeric and/or graphical indicia applied by a laser ghosting process, and a second portion of the cover being formed without the indicia, the average pebble height of a plurality of the pebble-like projections in the first portion of the cover being at least 80 percent of the average height of a plurality of the pebble-like projections in the second portion of the cover, wherein the first and second portions of the cover have first and second static coefficient of friction values, respectively, when measured in accordance with the standard test method for static coefficient of friction of ASTM D1894-14, and wherein the static coefficient of friction value of the first portion of the cover is at least 60 percent of the static coefficient of friction value of the second portion. 2. The game ball of claim 1 , wherein the average pebble height of a plurality of the pebble-like projections in the first portion of the cover being at least 90 percent of the average height of a plurality of the pebble-like projections in the second portion of the cover. 3. The game ball of claim 1 , wherein the average pebble height of a plurality of the pebble-like projections in the first portion of the cover being at least 95 percent of the average height of a plurality of the pebble-like projections in the second portion of the cover. 4. The game ball of claim 1 , wherein the game ball is an American-style football. 5. The game ball of claim 4 , wherein the football includes an inflatable bladder, wherein the cover includes four cover panels coupled together and surrounding the bladder, and wherein the graphical and/or alphanumeric indicia extends over at least one of the four cover panels. 6. The game ball of claim 5 wherein the graphical and/or alphanumeric indicia extends over at least two of the four cover panels. 7. The game ball of claim 1 , wherein the plurality of pebble-like projections consist of at least one shape selected from the group consisting of irregularly-shaped pebble-like projections, hemi-spherically-shaped projections, generally oval-shaped projections, generally triangular-shaped projections, generally square-shaped projections, generally rectangular-shaped projections, generally diamond-shaped projections, generally pentagon-shaped projections, other polygonal-shaped projections, and combinations thereof. 8. The game ball of claim 1 , wherein the average pebble height of a plurality of pebble-like projections of the first and second portions of the cover is at least 0.006 inch. 9. The game ball of claim 1 , wherein the average pebble height of a plurality of pebble-like projections of the first and second portions of the cover is within the range of 0.004 to 0.0275 inch. 10. The game ball of claim 5 , wherein each of the cover panels has an outer surface area, and wherein the first portion of the cover including alphanumeric and/or graphical indicia extends over at least one third of the outer surface area of at least one of the cover panels. 11. The game ball of claim 5 , wherein each of the cover panels has an outer surface area, and wherein the first portion of the cover including alphanumeric and/or graphical indicia extends over at least one half of the outer surface area of at least one of the cover panels. 12. The game ball of claim 5 , wherein each of the cover panels has an outer surface area, and wherein the first portion of the cover including alphanumeric and/or graphical indicia extends over at least two thirds of the outer surface area of at least one of the cover panels. 13. An American-style football configured for direct contact with a user's hands, the football comprising: an inflatable prolate spheroidal shaped bladder; a lining positioned over the bladder; a cover assembly including at least first, second, third and fourth flexible, resilient cover panels collectively positioned over the bladder and the lining, the cover panels being formed of a natural leather and having an outer surface, the outer surface of the cover including a pebbled texture, the cover assembly further including a first portion having alphanumeric and/or graphical indicia applied by a laser ghosting process, and a second portion being formed without the indicia, the first and second portions of the cover assembly having first and second static coefficient of friction values, respectively, when measured in accordance with the standard test method for static coefficient of friction of ASTM D1894-14, the static coefficient of friction value of the first portion of the cover assembly being at least 60 percent of the static coefficient of friction value of the second portion; and a lacing coupled to the first and fourth cover panels. 14. The American-style football of claim 13 , wherein the pebbled texture includes a plurality of spaced apart pebble-like projections extending from a base region, each of the pebble-like projections having a pebble height measured from the base region adjacent to the pebble-like projection to a top surface of the pebble-like projection. 15. The American-style football of claim 14 , wherein the average pebble height of a plurality of the pebble-like projections in the first portion of the cover assembly is at least 80 percent of the average height of a plurality of the pebble-like projections in the second portion of the cover assembly. 16. The American-style football of claim 14 , wherein the average pebble height of a plurality of the pebble-like projections in the first portion of the cover assembly is at least 90 percent of the average height of a plurality of the pebble-like projections in the second portion of the cover assembly. 17. The American-style football of claim 13 , wherein the graphical and/or alphanumeric indicia extends over at least one of the four cover panels. 18. The American-style football of claim 13 , wherein the graphical and/or alphanumeric indicia extends over at least two of the four cover panels. 19. The American-style football of claim 13 , wherein the average pebble height of a plurality of pebble-like projections of the first and second portions of the cover assembly is at least 0.006 inch. 20. The American-style football of claim 13 , wherein the average pebble height of a plurality of pebble-like projections of the first and second portions of the cover is within the range of 0.004 to 0.0275 inch. 21. The American-style football of claim 13 , further including at least two stripes coupled to the first and fourth cover panels. 22. The American-style football of claim 13 , wherein the plurality of pebble-like projections consist of at least one shape selected from the group consisting of irregularly-shaped pebble-like projections, hemi-spherically-shaped projections, generally oval-shaped projections, generally triangular-shaped projections, generally square-shaped projections, generally rectangular-shaped projections, generally diamond
with special configuration, e.g. non-spherical (discs for throwing A63B65/10) · CPC title
American football · CPC title
with means for improving visibility, e.g. special markings or colours (illuminating or reflecting means A63B43/06) · CPC title
Ball covers; Closures therefor · CPC title
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