US4358923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite coatings for open-end machinery parts
Assignee: Surface Technology Inc
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Filing: 1980-11-14
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Granted: 1982-11-16
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Expires: 2000-11-14
Abstract
Abstract Disclosed are processes and articles for composite electroless coatings comprising at least two distinct layers, the first layer comprising a metal and/or a metal alloy plus particulate matter and the second layer comprising a metal and/or a metal alloy and being substantially free of particulate matter.
Inventors
- 👤 Nathan Feldstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:23
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; C; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1633; C23C18/1646; C23C18/165; C23C18/1651; C23C18/1655; C23C18/1662; C23C18/1689; C23C18/1692; C23C18/31; C23C18/32; C23C18/34; C23C18/36; D; D01; D01H; D01H4/00; D01H4/04; D01H4/08; D01H4/10; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12625; Y10T428/12639; Y10T428/12736; Y10T428/1275; Y10T428/12993
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
152 words
A metallized article utilized in open-end spinning produced by the steps comprising: (1) contacting said article with an electroless plating bath further comprising insoluble suspended particulate matter to provide a composite layer comprising a member selected from the group consisting of a metal, a metal alloy, and mixtures thereof, and the insoluble particulate matter, (2) contacting said treated article with an electroless plating bath to provide a layer comprising a member selected from the group consisting of a metal, a metal alloy, and mixtures thereof, said layer being substantially free of particulate matter substantially covering the particulate matter exposed from step 1, and subsequently (3) removing a portion of the electrolessly deposited layer of step (2) thereby providing with a surface smoothness lower than that existing at the conclusion of step (1), however retaining sufficient amount of electroless metal from step (2) to substantially cover the particulate matter exposed from step (1).
Claim 2
Dependent Claim
152 words
A metallized article utilized in open-end spinning produced by the steps comprising: (1) contacting said article with an electroless plating bath further comprising insoluble suspended particulate matter to provide a composite layer comprising a member selected from the group consisting of a metal, a metal alloy, and mixtures thereof, and the insoluble particulate matter, (2) contacting said treated article with an electroless plating bath to provide a layer comprising a member selected from the group consisting of a metal, a metal alloy, and mixtures thereof, said layer being substantially free of particulate matter substantially covering the particulate matter exposed from step 1, and subsequently (3) removing a portion of the electrolessly deposited layer of step (2) thereby providing with a surface smoothness lower than that existing at the conclusion of step (1), however retaining sufficient amount of electroless metal from step (2) to substantially cover the particulate matter exposed from step (1).
Claim 3
Dependent Claim
17 words
The article according to claim 1 wherein said electroless bath used in step 2 is nickel phosphorous.
Claim 4
Dependent Claim
24 words
The article according to claim 1 wherein said particulate matter is wear-resistant particles having particle size in the range of 0.5 to 70 microns.
Claim 5
Dependent Claim
12 words
The article according to claim 1 wherein said particulate matter is diamonds.
Claim 6
Dependent Claim
12 words
The article according to claim 1 wherein said particles are polycrystalline diamond.
Claim 7
Dependent Claim
15 words
The article according to claim 1 wherein said metallic article is aluminum or aluminum alloy.
Claim 8
Dependent Claim
14 words
The article according to claim 1 produced by the further step of heat treatment.
Claim 9
Dependent Claim
32 words
The article according to claim 1 wherein said particulate matter is polycrystalline diamond and wherein said diamond with said composite coated layer constitutes in a range of 20 to 30 volume percent.
Claim 10
Dependent Claim
13 words
The article according to claim 1 wherein said metallic article is a rotor.
Claim 11
Dependent Claim
17 words
The article according to claim 1 wherein said article is a roll used in open end spinning.
Claim 12
Dependent Claim
29 words
The article according to claim 1 produced by the further step of heat treatment thereby resulting in the electroless nickel matrix having a hardness of approximately 70 Rockwell units.
Claim 13
Dependent Claim
15 words
The article according to claim 1 wherein said particulate matter is 11/2 micron particle size.
Claim 14
Dependent Claim
20 words
The article according to claim 1 wherein said particulate matter is wear-resistant particles having a hardness greater than said matrix.
Claim 15
Dependent Claim
14 words
The article according to claim 1 wherein said particulate matter is polycrystalline wear-resistant particles.
Claim 16
Dependent Claim
15 words
The article according to claim 1 wherein said particulate matter is 3 micron particle size.
Claim 17
Dependent Claim
38 words
The article according to claim 1 wherein said electroless plating bath provides with a coating comprising of approximately 88 to 93 percent nickel and approximately 7 and 11 percent phosphorous in the coating devoid of the particulate matter.
Claim 18
Dependent Claim
15 words
A process for the metallization of a substrate useful in open-end spinning comprising the steps:
Claim 19
Dependent Claim
15 words
A process for the metallization of a substrate useful in open-end spinning comprising the steps:
Claim 20
Dependent Claim
42 words
(1) contacting said substrate with an electroless plating bath further comprising insoluble suspended particulate matter to provide a composite layer comprising a member selected from the group consisting of a metal, a metal alloy, and mixtures thereof, and the insoluble particulate matter,
Claim 21
Dependent Claim
42 words
(1) contacting said substrate with an electroless plating bath further comprising insoluble suspended particulate matter to provide a composite layer comprising a member selected from the group consisting of a metal, a metal alloy, and mixtures thereof, and the insoluble particulate matter,
Claim 22
Dependent Claim
50 words
(2) contacting the treated substrate with an electroless plating bath to provide a layer comprising a member selected from the group consisting of a metal, a metal alloy, and mixtures thereof, said layer being substantially free of particulate matter substantially covering the particulate matter exposed from step (1), and subsequently
Claim 23
Dependent Claim
50 words
(2) contacting the treated substrate with an electroless plating bath to provide a layer comprising a member selected from the group consisting of a metal, a metal alloy, and mixtures thereof, said layer being substantially free of particulate matter substantially covering the particulate matter exposed from step (1), and subsequently
Claim 24
Dependent Claim
52 words
(3) removing a portion of the electrolessly deposited layer of step (2) thereby providing with a smoother surface finish in comparison to the surface finish existing at the conclusion of step (1), however retaining a sufficient amount of electroless metal from step (2) to substantially cover the particulate matter from step (1).
Claim 25
Dependent Claim
52 words
(3) removing a portion of the electrolessly deposited layer of step (2) thereby providing with a smoother surface finish in comparison to the surface finish existing at the conclusion of step (1), however retaining a sufficient amount of electroless metal from step (2) to substantially cover the particulate matter from step (1).
Claim 26
Dependent Claim
11 words
The process according to claim 17 wherein said substrate is aluminum.
Claim 27
Dependent Claim
14 words
The process according to claim 17 wherein said substrate is an alloy of aluminum.
Claim 28
Dependent Claim
20 words
The process according to claim 17 wherein said electroless plating bath used in step 2 is a nickel phosphorous type.
Claim 29
Dependent Claim
18 words
The process according to claim 17 wherein said electroless plating bath used in step 1 is nickel phosphorous.
Claim 30
Dependent Claim
14 words
The process according to claim 17 wherein said particulate matter is a wear-resistant particle.
Claim 31
Dependent Claim
12 words
The process according to claim 17 wherein said particulate matter is diamond.
Claim 32
Dependent Claim
13 words
The process according to claim 17 wherein said particulate matter is polycrystalline diamond.
Claim 33
Dependent Claim
21 words
The process according to claim 17 wherein said substrate is aluminum or aluminum alloy and wherein said part is a rotor.
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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) | 1985-11-15 | 1986-05-17 | 1986-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-15 | 1990-05-17 | 1990-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-15 | 1994-05-17 | 1994-11-16 | $7700.00 | Window Closed / Lapsed |