IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0907180
(2005-03-23)
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등록번호 |
US-7498065
(2009-03-03)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Neal Gerber & Eisenberg LLP
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인용정보 |
피인용 횟수 :
13 인용 특허 :
64 |
초록
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A special method is provided for more uniformly and quickly curing products with a scratch-resistant UV curable coating or UV curable printing thereon, such as for CDs, DVDs, golf balls, golf tees, eye glass lenses, contact lenses, string instruments, decorative labels, peelable labels, peelable sta
A special method is provided for more uniformly and quickly curing products with a scratch-resistant UV curable coating or UV curable printing thereon, such as for CDs, DVDs, golf balls, golf tees, eye glass lenses, contact lenses, string instruments, decorative labels, peelable labels, peelable stamps, doors, countertops, etc. The method can also be operated with one or more special UV curing apparatus equipped with a controller, temperature sensors, and heat dissipators.
대표청구항
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What is claimed is: 1. A method for curing ultraviolet (UV) curable products, articles, inks, coatings, adhesives or other objects, comprising the steps of: driving at least one UV LED with intermittent pulses of electrical current in excess of a normal input current range to produce a high intensi
What is claimed is: 1. A method for curing ultraviolet (UV) curable products, articles, inks, coatings, adhesives or other objects, comprising the steps of: driving at least one UV LED with intermittent pulses of electrical current in excess of a normal input current range to produce a high intensity UV light emitted from the at least one UV LED, wherein the at least one UV LED is mounted on a first side of a thermally conductive substrate; mounting a heat sink on a second side of the substrate; sensing an intensity of the high intensity UV light emitted from the at least one UV LED while sensing a temperature of the heat sink; optimizing the intensity of the high intensity UV light emitted from the at least one UV LED by automatically adjusting the electrical current in response to the intensity that is sensed and the temperature that is sensed to obtain and maintain a substantially constant high intensity UV light; positioning the UV curable products, articles, inks, coatings, adhesives, or other objects in curable proximity to the at least one UV LED; and substantially uniformly polymerizing, setting and curing the UV curable products, articles, inks, coatings, adhesives or other objects using the substantially constant high intensity UV light. 2. The method of claim 1 wherein the substantially constant high intensity UV light is emitted from UV light emitting diodes (LEDs) selected from the group consisting of UV light-emitting diode (LED) chips, organic LEDs, and polymer LEDs. 3. The method of claim 1 wherein the substantially constant high intensity UV light is emitted from staggered arrays of UV light-emitting diodes (LEDs). 4. The method of claim 1 wherein the substantially constant high intensity UV light is emitted from one or more UV light emitters in an UV curing apparatus. 5. The method of claim 4 including cooling the UV curing apparatus with at least one cooling device selected from the group consisting of a heat sink, fin, heat pump, and a fan. 6. The method of claim 1 wherein at least one of at least one golf ball, at least one compact disc, at least one DVD, at least one golf tee, at least one eye glass lens, at least one contact lens, at least one string instrument, at least one decorative label, at least one peelable label, at least one door, and at least one countertop is conveyed by a conveyor past at least one UV light path formed by the at least one UV LED. 7. The method of claim 1 including spinning or rotating at least one golf ball upon which the UV curable inks, coatings, or adhesives are placed past at least one UV light path formed by the at least one UV LED to uniformly distribute UV light from the at least one UV LED onto the at least one golf ball. 8. The method of claim 1 including stopping or maintaining the UV curable products, articles, inks, coatings, adhesives, or other objects in a stationary fixed position past at least one UV light path formed by the at least one UV LED. 9. The method of claim 1 wherein: the substantially constant increased UV light intensity is emitted from an array of concave UV reflectors including a center reflector and outer reflectors; and the substantially constant increased UV light intensity emitted from the UV reflectors is focused and concentrated in one or more UV light paths. 10. The method of claim 4 including positioning two UV curing apparatus in perpendicular relationship to each other. 11. The method of claim 4 including positioning multiple UV curing apparatus at angular relationships to each other. 12. The method of claim 1 including substantially uniformly polymerizing, setting and curing UV curable products selected from the group consisting of: compact discs (CDs) with a protective clear scratch-resistant UV curable coating and CDs having labels with printing comprising UV curable ink. 13. The method of claim 1 including substantially uniformly polymerizing, setting and curing UV curable products comprising digital video discs (DVDs) with a UV curable material thereon selected from the group consisting of a UV curable adhesive, a protective clear scratch-resistant UV curable coating, and a label with UV curable ink. 14. The method of claim 1 including substantially uniformly polymerizing, setting and curing UV curable products comprising golf balls with a UV curable material thereon selected from the group consisting of a protective clear scratch-resistant UV curable coating and UV curable printing or logo. 15. The method of claim 1 including substantially uniformly polymerizing, setting and curing UV curable products comprising golf tees with a UV curable material thereon selected from the group consisting of a scratch-resistant UV curable coating and UV curable ink. 16. The method of claim 1 including: substantially uniformly polymerizing, setting and curing UV curable products comprising string instruments; said string instruments selected from the group consisting of violins, violas, cellos, base violins, guitars, mandolins, balalaikas, ukuleles, and harps; and said string instruments having a UV curable material thereon selected from the group consisting of a decorative coating and a clear scratch-resistant coating. 17. The method of claim 1 including substantially uniformly polymerizing, setting and curing UV curable products comprising eye glass lenses coated with a UV curable material selected from the group consisting of: color tint, a clear scratch-resistant coating, and a UV blocking coating. 18. The method of claim 1 including substantially uniformly polymerizing, setting and curing UV curable products comprising UV curable soft hydroscopic contact lenses coated with a UV curable material selected from the group consisting of a color tint and a clear scratch-resistant coating. 19. The method of claim 1 including substantially uniformly polymerizing, setting and curing UV curable products comprising peelable labels or peelable stamps detachably positioned on a release liner and having a UV curable material thereon selected from the group consisting of UV curable ink and UV curable adhesive. 20. The method of claim 1 including substantially uniformly polymerizing, setting and curing UV curable products comprising doors or countertops with a UV curable coating selected from the group consisting of a substantially clear scratch-resistant UV curable coating and a colored UV curable coating. 21. The method of claim 1 wherein the at least one UV LED is driven in excess of the normal input current range in an amount equal to about 2 to about 4 times the normal input current range to produce the intensity of the high intensity UV light in an amount equal to about 8 times a rated light intensity of the at least one UV LED. 22. The method of claim 1 wherein the at least one UV LED is affixed to the thermally conductive substrate using a conductive adhesive to conduct heat from the at least one UV LED to the thermally conductive substrate. 23. The method of claim 6 wherein movement of the conveyor is synchronized with a decrease in the electrical current supplied to the at least one UV LED. 24. The method of claim 7 wherein the spinning or rotating of the at least one golf ball is performed by a spinning platform having a plurality of arcuate fingers that extend upwardly from a rotatable shaft, wherein the arcuate fingers support the at least one golf ball.
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