Patent US4323604A successfully refreshed from Google Patents.
US4323604A
Expired / Lapsed
US
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Continuous dip-plating process on one-side of steel strip
Assignee: JFE Engineering Corp
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Filing: 1980-06-11
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Granted: 1982-04-06
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Expires: 2000-06-11
Abstract
Abstract A uniform plating treatment is carried out on one-side of a steel strip in that the strip is travelled horizontally over a still surface of a plating bath while the plating bath is jetted onto the one-side of the strip, and the one-side is positively given on its edges a plating flow running in width of the strip outwardly from the edges and the other part except the edges is given the plating flow running in length of the strip.
Inventors
- 👤 Shuzo Fukuda
- 👤 Yutaka Ohkubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:10
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/003; C23C2/0035; C23C2/0034; C23C2/00342; C23C2/006; C23C2/0062
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
77 words
A continuous dip-plating process for plating one side of a steel strip, wherein said strip travels substantially horizontally over a still surface of a plating bath, while said plating bath is spouted onto said one side of said strip, and wherein a plating flow is provided along the edges of said strip in a widthwise direction outwardly from said edges, and a plating flow is provided along the central part of said strip in a lengthwise direction.
Claim 2
Dependent Claim
77 words
A continuous dip-plating process for plating one side of a steel strip, wherein said strip travels substantially horizontally over a still surface of a plating bath, while said plating bath is spouted onto said one side of said strip, and wherein a plating flow is provided along the edges of said strip in a widthwise direction outwardly from said edges, and a plating flow is provided along the central part of said strip in a lengthwise direction.
Claim 3
Dependent Claim
23 words
The process of claim 1, wherein said plating bath flowing at said central part flows at a rate of more than 1.2 m/sec.
Claim 4
Dependent Claim
30 words
The process of claim 1, wherein said plating bath flows at the edges at a rate faster than 1.5 to 2.0 times that at the central part of said strip.
References Cited (Backward Citations)
US4072581A
Cited
US4102772A
Cited
DE2656524A1
Cited
US4254158A
Cited
JPS54125136A
Cited
JPS54128442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-05 | 1985-10-05 | 1986-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-05 | 1989-10-05 | 1990-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-05 | 1993-10-05 | 1994-04-06 | $7700.00 | Window Closed / Lapsed |