US4042731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foaming agents for galvanizing fluxes
Assignee: ZACLON Inc A OHIO CORP
•
Filing: 1975-11-06
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Granted: 1977-08-16
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Expires: 1995-11-06
Abstract
Abstract A process which involves galvanizing with a galvanizing flux consisting essentially of a fluxing material selected from zinc ammonium chloride double salt and a mixture of zinc chloride and ammonium chloride and, as a foaming agent, sorbitol by dipping a metal article into a molten bath of zinc covered by said flux.
Inventors
- 👤 Dong Myung Chay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:16
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603; C; C23; C23C; C23C2/00; C23C2/30
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
39 words
A galvanizing flux consisting essentially of a fluxing material selected from zinc ammonium chloride double salt and a mixture of zinc chloride and ammonium chloride and sorbitol, the sorbitol being 0.2 to 1.0% by weight of the fluxing material.
Claim 2
Dependent Claim
39 words
A galvanizing flux consisting essentially of a fluxing material selected from zinc ammonium chloride double salt and a mixture of zinc chloride and ammonium chloride and sorbitol, the sorbitol being 0.2 to 1.0% by weight of the fluxing material.
Claim 3
Dependent Claim
15 words
The flux of claim 1 wherein the fluxing material is zinc ammonium chloride double salt.
Claim 4
Dependent Claim
15 words
The flux of claim 1 wherein the fluxing material is zinc chloride and ammonium chloride.
Claim 5
Dependent Claim
70 words
In a galvanizing process which comprises dipping a metal article into a molten bath of zinc covered by a flux composition consisting essentially of a fluxing material selected from a mixture of zinc chloride and ammonium chloride and zinc ammonium chloride double salt the improvement wherein the fluxing materials also contain as a foaming agent sorbitol in an amount of from 0.2 to 1.0% by weight of the fluxing material.
Claim 6
Dependent Claim
70 words
In a galvanizing process which comprises dipping a metal article into a molten bath of zinc covered by a flux composition consisting essentially of a fluxing material selected from a mixture of zinc chloride and ammonium chloride and zinc ammonium chloride double salt the improvement wherein the fluxing materials also contain as a foaming agent sorbitol in an amount of from 0.2 to 1.0% by weight of the fluxing material.
Claim 7
Dependent Claim
15 words
The process of claim 4 wherein the fluxing material is zinc ammonium chloride double salt.
Claim 8
Dependent Claim
18 words
The process of claim 4 wherein the fluxing material is a mixture of zinc chloride and ammonium chloride.
References Cited (Backward Citations)
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US2473580A
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US2547771A
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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) | 1980-08-15 | 1981-02-14 | 1981-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-15 | 1985-02-14 | 1985-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-15 | 1989-02-14 | 1989-08-16 | $7700.00 | Window Closed / Lapsed |