Title of Invention | A METHOD FOR THE HEAT TREATMENT OF METALLIC STRIPS |
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Abstract | The invention concerns a method for metal strip heat treatment comprising: passing the strip inside a chamber through a heating zone, and a cooling zone, and establishing a first protective gas atmosphere containing nitrogen and a first hydrogen content in the chamber, except for the cooling zone, wherein is adjusted a second protective gas atmosphere containing nitrogen and a second hydrogen content higher than the first, introducing nitrogen into the chamber, injecting protective gas containing a third hydrogen content higher than said second content in said cooling zone, producing a gas exchange between one zone of the chamber having said first protective gas atmosphere and said cooling zone, and controlling the flow of said introduction... |
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0580-chnep-2005 abstract duplicate.pdf
0580-chnep-2005 claims duplicate.pdf
0580-chnep-2005 description (complete) duplicate.pdf
0580-chnep-2005 drawings duplicate.pdf
580-chenp-2005-correspondnece-others.pdf
580-chenp-2005-correspondnece-po.pdf
580-chenp-2005-description(complete).pdf
Patent Number | 219173 | |||||||||||||||
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Indian Patent Application Number | 580/CHENP/2005 | |||||||||||||||
PG Journal Number | 27/2008 | |||||||||||||||
Publication Date | 04-Jul-2008 | |||||||||||||||
Grant Date | 25-Apr-2008 | |||||||||||||||
Date of Filing | 08-Apr-2005 | |||||||||||||||
Name of Patentee | DREVER INTERNATIONAL S.A | |||||||||||||||
Applicant Address | PARE SCIENTIFIQUE DU SART TILMAN, B-4031 LIEGE, | |||||||||||||||
Inventors:
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PCT International Classification Number | C21D 9/56 | |||||||||||||||
PCT International Application Number | PCT/BE03/00149 | |||||||||||||||
PCT International Filing date | 2003-09-11 | |||||||||||||||
PCT Conventions:
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