US3945807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal tool
Assignee: Ulvac Inc
•
Filing: 1973-11-15
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Granted: 1976-03-23
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Expires: 1993-11-15
Abstract
Abstract A tool such as a drill, etc. made of a hard metal, e.g., a cemented carbide, having applied thereto a coating film of a noble metal such as gold, silver, platinum, etc. by means of an ion-plating treatment.
Inventors
- 👤 Riichi Fukutome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:55
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/0011; H05K3/0044; H05K3/0047; B; B23; B23B; B23B27/00; B23B27/14; B23B27/148; B23B51/00; C; C23; C23C; C23C30/00; C23C30/005; B23B2222/00; B23B2222/24; B23B2222/28; B23B2222/72; B23B2222/76; B23B2228/00; B23B2228/10; B23B2228/28; B23B2250/00; B23B2250/12; H05K2203/00; H05K2203/12; H05K2203/127; Y; Y10; Y10S; Y10S408/00; Y10S408/704; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/934; Y10S428/938; Y10S76/00; Y10S76/11; Y10T; Y10T407/00; Y10T407/27; Y10T408/00; Y10T408/78; Y10T408/89; Y10T408/907; Y10T408/909; Y10T408/9095; Y10T408/9097; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12868
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
64 words
A metal tool adapted for drilling holes in resin plates for wire printing, said tool comprising a cemented metal carbide base, and a iron-plated coating film on said base, said coating film being a noble metal selected from the group consisting of gold, silver and platinum, said coating film constituting a means for producing smooth drilled holes in the resin plates with prolonged usage.
Claim 2
Dependent Claim
64 words
A metal tool adapted for drilling holes in resin plates for wire printing, said tool comprising a cemented metal carbide base, and a iron-plated coating film on said base, said coating film being a noble metal selected from the group consisting of gold, silver and platinum, said coating film constituting a means for producing smooth drilled holes in the resin plates with prolonged usage.
Claim 3
Dependent Claim
23 words
A tool as claimed in claim 1 wherein said coating film has a thickness of between several microns and several tens of microns.
Claim 4
Dependent Claim
24 words
A tool as claimed in claim 1 wherein the cemented metal carbide is selected from the group consisting of WC-Co, WC-TiC-Co, and alloys thereof.
Claim 5
Independent Claim
58 words
A method comprising drilling holes in resin plates for wire printing with a tool formed by ion-plating a coating film on a metal carbide base, said coating film being a noble metal selected from the group consisting of gold, silver, and platinum, said film enabling the production of smooth drilled holes in the resin plates with prolonged usage.
Claim 6
Independent Claim
58 words
A method comprising drilling holes in resin plates for wire printing with a tool formed by ion-plating a coating film on a metal carbide base, said coating film being a noble metal selected from the group consisting of gold, silver, and platinum, said film enabling the production of smooth drilled holes in the resin plates with prolonged usage.
Claim 7
Dependent Claim
16 words
A method as claimed in claim 4 wherein said base is a cemented metal carbide base.
Claim 8
Dependent Claim
25 words
A method as claimed in claim 5 wherein the cemented metal carbide base is selected from the group consisting of WC-Co, WC-TiC-Co, and alloys thereof.
Claim 9
Dependent Claim
25 words
A method as claimed in claim 4 wherein said coating film is formed with a thickness of between several microns and several tens of microns.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-23 | 1979-09-22 | 1980-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-23 | 1983-09-22 | 1984-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-23 | 1987-09-22 | 1988-03-23 | $7700.00 | Window Closed / Lapsed |