Decorative article having white film and production method therefor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-015/04
B32B-015/18
A44C-025/00
C23C-014/00
출원번호
US-0069625
(2001-06-15)
우선권정보
JP-0192077 (2000-06-27)
국제출원번호
PCT/JP01/05130
(2001-06-15)
국제공개번호
WO02/00958
(2002-01-03)
발명자
/ 주소
Naoi, Koichi
Takagi, Akiyoshi
Miya, Yukio
Tase, Fumio
Hamano, Kazumi
출원인 / 주소
Citizen Watch Co., Ltd.
대리인 / 주소
Webb Ziesenheim Logsdon Orkin & Hanson, P.C.
인용정보
피인용 횟수 :
9인용 특허 :
4
초록
The present invention includes a personal ornament having a white coating layer and a method for making the same. The base article is made of metal and the white-colored stainless steel coating layer is formed by a dry plating process. The base metal may be ferrous or non-ferrous.
대표청구항▼
1. A personal ornament having a white coating layer comprising:a base article of the personal ornament made of a tungsten carbide and tantalum carbide, anda white-colored stainless steel coating layer formed by a dry plating process on at least a part of the surface of the base article. 2. The perso
1. A personal ornament having a white coating layer comprising:a base article of the personal ornament made of a tungsten carbide and tantalum carbide, anda white-colored stainless steel coating layer formed by a dry plating process on at least a part of the surface of the base article. 2. The personal ornament having a white coating layer according to claim 1, wherein a white-colored noble metal coating layer is formed in a thickness ranging from 0.04 to 0.3 μm by a dry plating process on the surface of the stainless steel coating layer. 3. The personal ornament having a white coating layer according to claim 2, wherein the white-colored noble metal coating layer is a coating layer formed by a dry plating process and composed of a noble metal selected from the group consisting of palladium, platinum, rhodium, gold alloys, silver, and silver alloys. 4. The personal ornament having a white coating layer according to claim 1, wherein the white-colored stainless steel coating layer is composed of an austenitic stainless steel having a composition of 0.01-0.12 vol % of carbon, 0.1-1.0 vol % of silicon, 1.0-2.5 vol % of manganese, 8-22 vol % of nickel, and 15-26 vol % of chromium. 5. The personal ornament having a white coating layer according to claim 1, wherein the white-colored stainless steel coating layer is composed of a nickel-free ferritic stainless steel having a composition of 0.01-0.12 vol % of carbon, 0.1-1.0 vol % of silicon, 1.0-2.5 vol % of manganese, 14-20 vol % of chromium, and 0.4-2.5 vol % of molybdenum. 6. The personal ornament having a white coating layer according to claim 1, wherein the white-colored stainless steel coating layer is formed by a dry plating process selected from a sputtering method, an arc evaporation method, or an ion-plating method. 7. The personal ornament having a white coating layer according to claim 1, wherein the stainless steel coating layer has a thickness ranging from 0.1 to 2.0 μm. 8. The personal ornament having a white coating layer according to claim 1, wherein at least one plating layer different in color tone from the white-colored stainless steel coating layer is formed by a dry plating process on the stainless steel coating layer formed by a dry plating process. 9. The personal ornament having a white coating layer according to claim 8, wherein the plating layer different from the stainless steel coating layer is at least one coating layer composed of gold, gold alloys, titanium nitride, and zirconium nitride. 10. A personal ornament having a white coating layer comprising:a base article of the personal ornament made of a nonferrous metal,an underlying plating layer formed on the surface of the base article, anda white-colored stainless steel coating layer formed by a dry plating process on at least a part of the surface of the underlying plating layer. 11. The personal ornament having a white coating layer according to claim 10, wherein the base article of the personal ornament is made of a nonferrous metal selected from the group consisting of copper, copper alloys, aluminum, aluminum alloys, zinc, zinc alloys, magnesium, and magnesium alloys. 12. The personal ornament having a white coating layer according to claim 10, wherein the underlying plating layer has a multilayer structure constituted of at least one plating layer formed by a wet plating process and at least one plating layer formed by a dry plating process. 13. The personal ornament having a white coating layer according to claim 12, wherein the underlying plating layer comprises a coating layer which is formed by a wet plating process and is composed of at least one metal selected from the group consisting of gold, copper, nickel, chromium, tin, palladium, nickel-phosphorus alloys, nickel alloys excluding nickel-phosphorus alloys, copper-tin-palladium alloys, copper alloys excluding copper-tin-palladium alloys, tin alloys excluding copper-tin-palladium alloys, and palladium alloys excluding copper- tin-palladium alloys. 14. The personal ornament having a white coating layer according to claim 12, wherein the underlying plating layer is a coating layer formed by a wet plating process and composed of at least one nickel-free metal selected from the group consisting of gold, copper, chromium, tin, palladium, copper-tin-palladium alloys, copper alloys excluding copper-tin-palladium alloys, tin alloys excluding copper-tin-palladium alloys, and palladium alloys excluding copper-tin-palladium alloys. 15. The personal ornament having a white coating layer according to claim 12, wherein the underlying plating layer is a coating layer formed by a dry plating process and is composed of titanium carbide, zirconium carbide, or tantalum carbide. 16. The personal ornament having a white coating layer according to claim 10, wherein the underlying plating layer comprises a coating layer which is formed by a wet plating process and is composed of at least one metal selected from the group consisting of gold, copper, nickel, chromium, tin, palladium, nickel-phosphorus alloys, nickel alloys excluding nickel-phosphorus alloys, copper-tin-palladium alloys, copper alloys excluding copper-tin-palladium alloys, tin alloys excluding copper-tin-palladium alloys, and palladium alloys excluding copper-tin-palladium alloys. 17. The personal ornament having a white coating layer according to claim 16, wherein the underlying plating layer includes the nickel-phosphorus alloy plating layer as the underlying plating layer which is a hard coating layer having been treated for age hardening. 18. The personal ornament having a white coating layer according to claim 10, wherein the underlying plating layer is a coating layer formed by a wet plating process and composed of at least one nickel-free metal selected from the group consisting of gold, copper, chromium, tin, palladium, copper-tin-palladium alloys, copper alloys excluding copper-tin-palladium alloys, tin alloys excluding copper-tin-palladium alloys, and palladium alloys excluding copper-tin-palladium alloys. 19. The personal ornament having a white coating layer according to claim 10, wherein the underlying plating layer is a coating layer formed by a dry plating process and is composed of titanium carbide, zirconium carbide, or tantalum carbide. 20. The personal ornament having a white coating layer according to claim 10, wherein the underlying plating layer has an entire thickness ranging from 0.2 to 30 μm. 21. The personal ornament having a white surface coating layer according to claim 10, wherein the white-colored stainless steel coating layer is composed of an austenitic stainless steel having a composition of 0.01-0.12 vol % of carbon, 0.1-1.0 vol % of silicon, 1.0-2.5 vol % of manganese, 8-22 vol % of nickel, and 15-26 vol % of chromium. 22. The personal ornament having a white coating layer according to claim 10, wherein the white-colored stainless steel coating layer is composed of a nickel-free ferritic stainless steel having a composition of 0.01-0.12 vol % of carbon, 0.1-1.0 vol % of silicon, 1.0-2.5 vol % of manganese, 14-20 vol % of chromium, and 0.4-2.5 vol % of molybdenum. 23. The personal ornament having a white coating layer according to claim 10, wherein a white-colored noble metal coating layer is formed in a thickness ranging from 0.04 to 0.3 μm by a dry plating process on the surface of the stainless steel coating layer. 24. A process for producing a personal ornament having a white coating layer comprising the steps of:forming a base article of the personal ornament by machining a metal;washing and degreasing the surface of the base article;setting the base article in a dry plating apparatus selected from sputtering systems, arc evaporation systems, and ion-plating systems, and cleaning the base article by bombard cleaning in an argon gas atmosphere; andforming a white-colored stainless steel coating layer by a dry plating process on the surface of the base articl e. 25. The process for producing a personal ornament having a white coating layer according to claim 24, which further comprises, after the formation of the white-colored stainless steel coating layer, the step of forming a white-colored noble metal coating layer in a thickness ranging from 0.04 to 0.3 μm by a dry plating process on the surface of the stainless steel coating layer. 26. The process for producing a personal ornament having a white coating layer according to claim 25, wherein the white-colored noble metal coating layer is a coating layer formed by a dry plating process from a noble metal selected from the group consisting of palladium, platinum, rhodium, gold alloys, silver and silver alloys. 27. The process for producing a personal ornament having a white coating layer according to claim 24, wherein the metal employed for forming the base article of the personal ornament is tungsten carbide or tantalum carbide. 28. The process for producing a personal ornament having a white coating layer according to claim 24, wherein the white-colored stainless steel coating layer is composed of an austenitic stainless steel having a composition of 0.01-0.12 vol % of carbon, 0.1-1.0 vol % of silicon, 1.0-2.5 vol % of manganese, 8-22 vol % of nickel and 15-26 vol % of chromium; and is formed by a sputtering method, an arc evaporation method or an ion plating method. 29. The process for producing a personal ornament having a white coating layer according to claim 24, wherein the white-colored stainless steel coating layer is composed of a nickel-free ferritic stainless steel having a composition of 0.0 1-0.12 vol % of carbon, 0.1-1.0 vol % of silicon, 1.0-2.5 vol % of manganese, 14-20 vol % of chromium, and 0.4-2.5 vol % of molybdenum; and is formed by a sputtering method, an arc evaporation method, or an ion plating method. 30. The process for producing a personal ornament having a white coating layer according to claim 24, which further comprises,after the step of forming a white-colored stainless steel coating layer on the surface of the base article,at least once the steps of:masking a part of the stainless steel coating layer,forming a plating layer different in color tone from the stainless steel coating layer on the surface of the stainless steel coating layer and the surface of the mask by a dry plating process, andremoving the mask and the coating layer on the mask,to thereby provide an outermost plating layer having a white-colored stainless steel coating layer portion and at least one plating layer portion different in color tone from the stainless steel coating layer. 31. The process for producing a personal ornament having a white coating layer according to claim 30, wherein the plating layer different in color tone from the stainless steel coating layer is at least one coating layer formed from a metal selected from the group consisting of gold, gold alloys, titanium nitride, hafnium nitride and zirconium nitride by a dry plating process selected from sputtering methods, arc evaporation methods, and ion plating methods. 32. A process for producing a personal ornament having a white coating layer comprising the steps of:forming a base article of the personal ornament from a nonferrous metal by machining;washing and degreasing the surface of the base article;forming on the surface of the base article an underlying plating layer by a wet plating process or a dry plating process;setting the base article having the underlying plating layer in a dry plating apparatus selected from sputtering systems, arc evaporation systems, and ion-plating systems, and cleaning the surface of the underlying plating layer by bombard cleaning in an argon gas atmosphere; andforming a white-colored stainless steel coating layer by a dry plating process on the surface of the underlying plating layer. 33. The process for producing a personal ornament having a white coating layer according to claim 32, wherein the nonferrous metal employ ed for forming the base article of the personal ornament is at least one nonferrous metal selected from the group consisting of copper, copper alloys, aluminum, aluminum alloys, zinc, zinc alloys, magnesium and magnesium alloys. 34. The process for producing a personal ornament having a white coating layer according to claim 32, wherein the underlying plating layer has a multilayer structure constituted of at least one plating layer formed by a wet plating process on the surface of the base article and at least one different plating layer formed thereon by a dry plating process. 35. The process for producing a personal ornament having a white coating layer according to claim 34, wherein at least one plating layer of multilayer structure of the underlying plating layer is formed by a wet plating process from at least one metal selected from the group consisting of gold, copper, nickel, chromium, tin, palladium, nickel-phosphorus alloys, nickel alloys excluding nickel-phosphorus alloys, copper-tin-palladium alloys, copper alloys excluding copper-tin-palladium alloys, tin alloys excluding copper-tin-palladium alloys, and palladium alloys excluding copper-tin-palladium alloys. 36. The process for producing a personal ornament having a white coating layer according to claim 34, wherein at least one plating layer of multilayer structure of the underlying plating layer is formed by a wet plating process from at least one nickel-free metal selected from the group consisting of gold, copper, chromium, tin, palladium, copper-tin-palladium alloys, copper alloys excluding copper-tin-palladium alloys, tin alloys excluding copper-tin-palladium alloys, and palladium alloys excluding copper-tin-palladium alloys. 37. The process for producing a personal ornament having a white coating layer according to claim 34, wherein at least one plating layer of multilayer structure of the underlying plating layer is formed from titanium carbide, zirconium carbide or tantalum carbide by a dry plating process. 38. The process for producing a personal ornament having a white coating layer according to claim 32, wherein the underlying plating layer is formed by a wet plating process from at least one metal selected from the group consisting of gold, copper, nickel, chromium, tin, palladium, nickel-phosphorus alloys, nickel alloys excluding nickel-phosphorus alloys, copper-tin-palladium alloys, copper alloys excluding copper-tin-palladium alloys, tin alloys excluding copper-tin-palladium alloys, and palladium alloys excluding copper-tin-palladium alloys. 39. The process for producing a personal ornament having a white coating layer according to claim 38, wherein the underlying plating layer includes the nickel-phosphorus alloy plating layer which is treated for age hardening at 200 to 450° C. for 20 to 60 minutes to harden the nickel-phosphorus alloy plating layer. 40. The process for producing a personal ornament having a white coating layer according to claim 32, wherein the underlying plating layer is formed by a wet plating process from at least one nickel-free metal selected from the group consisting of gold, copper, chromium, tin, palladium, copper-tin-palladium alloys, copper alloys excluding copper-tin-palladium alloys, tin alloys excluding copper-tin-palladium alloys, and palladium alloys excluding copper-tin-palladium alloys. 41. The process for producing a personal ornament having a white coating layer according to claim 32, wherein the underlying plating layer is formed from titanium carbide, zirconium carbide or tantalum carbide by a dry plating process. 42. The process for producing a personal ornament having a white coating layer according to claim 32, wherein the underlying plating layer has an entire thickness of ranging from 0.2 to 30 μm. 43. The process for producing a personal ornament having a white coating layer according to claim 32, which further comprises, after the formation of the white-colored stainless steel coating lay er, the step of forming a white-colored noble metal coating layer in a thickness ranging from 0.04 to 0.3 μm by a dry plating process on the surface of the stainless steel coating layer. 44. The process for producing a personal ornament having a white coating layer according to claim 32, which further comprises,after the step of forming a white-colored stainless steel coating layer on the surface of the underlying coating layer,at least once the steps of:masking a part of the stainless steel coating layer,forming a plating layer different in color tone from the stainless steel coating layer on the surface of the stainless steel coating layer and the surface of the mask by a dry plating process, andremoving the mask and the coating layer on the mask,to thereby provide an outermost plating layer having a white-colored stainless steel coating layer portion and at least one plating layer portion different in color tone from the stainless steel coating layer.
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Ulam John B. (McMurray PA), Induction cooking utensils.
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