COVERING PROCESS AND PLANT WITH A MELTED METAL/ALLOY, OF A STEEL BAND ON BOTH SURFACES
A finishing method and apparatus for conventional continuous hot-dip coating of the type wherein a ferrous base metal strip is caused to pass beneath the surface of a coating bath of molten coating metal and is thereafter subjected to jet finishing, the ferrous base metal strip having been appropria...
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| creator | MARVIN BRILL PIERSON CHARLES FLINCHUM |
| description | A finishing method and apparatus for conventional continuous hot-dip coating of the type wherein a ferrous base metal strip is caused to pass beneath the surface of a coating bath of molten coating metal and is thereafter subjected to jet finishing, the ferrous base metal strip having been appropriately pretreated so as to be at the proper coating temperature and so as to have its surfaces oxide- free when passing through the bath of molten coating metal. The method (see Figure 2) comprises the steps of providing an enclosure for the two-side coated strip (9) as it exits the coating bath (7), locating a finishing jet nozzle (28, 29) to either side of the coated strip within the enclosure, jet finishing the coated strip with a non-oxidizing or inert gas and maintaining the jet finishing gas and the atmosphere within the enclosure at an oxygen level of less than about 200 parts per million. The apparatus comprises the above mentioned enclosure with the jet finishing nozzles located therein and an appropriate system (34) which provides a non-oxidizing or inert atmosphere within the enclosure. The non-oxidizing atmosphere may be nitrogen. |
| format | Patent |
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The method (see Figure 2) comprises the steps of providing an enclosure for the two-side coated strip (9) as it exits the coating bath (7), locating a finishing jet nozzle (28, 29) to either side of the coated strip within the enclosure, jet finishing the coated strip with a non-oxidizing or inert gas and maintaining the jet finishing gas and the atmosphere within the enclosure at an oxygen level of less than about 200 parts per million. The apparatus comprises the above mentioned enclosure with the jet finishing nozzles located therein and an appropriate system (34) which provides a non-oxidizing or inert atmosphere within the enclosure. The non-oxidizing atmosphere may be nitrogen.</description><edition>6</edition><language>eng ; rum</language><subject>CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><creationdate>1995</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950728&DB=EPODOC&CC=RO&NR=109955B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950728&DB=EPODOC&CC=RO&NR=109955B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MARVIN BRILL PIERSON</creatorcontrib><creatorcontrib>CHARLES FLINCHUM</creatorcontrib><title>COVERING PROCESS AND PLANT WITH A MELTED METAL/ALLOY, OF A STEEL BAND ON BOTH SURFACES</title><description>A finishing method and apparatus for conventional continuous hot-dip coating of the type wherein a ferrous base metal strip is caused to pass beneath the surface of a coating bath of molten coating metal and is thereafter subjected to jet finishing, the ferrous base metal strip having been appropriately pretreated so as to be at the proper coating temperature and so as to have its surfaces oxide- free when passing through the bath of molten coating metal. The method (see Figure 2) comprises the steps of providing an enclosure for the two-side coated strip (9) as it exits the coating bath (7), locating a finishing jet nozzle (28, 29) to either side of the coated strip within the enclosure, jet finishing the coated strip with a non-oxidizing or inert gas and maintaining the jet finishing gas and the atmosphere within the enclosure at an oxygen level of less than about 200 parts per million. The apparatus comprises the above mentioned enclosure with the jet finishing nozzles located therein and an appropriate system (34) which provides a non-oxidizing or inert atmosphere within the enclosure. 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The method (see Figure 2) comprises the steps of providing an enclosure for the two-side coated strip (9) as it exits the coating bath (7), locating a finishing jet nozzle (28, 29) to either side of the coated strip within the enclosure, jet finishing the coated strip with a non-oxidizing or inert gas and maintaining the jet finishing gas and the atmosphere within the enclosure at an oxygen level of less than about 200 parts per million. The apparatus comprises the above mentioned enclosure with the jet finishing nozzles located therein and an appropriate system (34) which provides a non-oxidizing or inert atmosphere within the enclosure. The non-oxidizing atmosphere may be nitrogen.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; rum |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
| title | COVERING PROCESS AND PLANT WITH A MELTED METAL/ALLOY, OF A STEEL BAND ON BOTH SURFACES |
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