US Patent 7118634 Low-pressure cementation method
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Patent abstract
The invention relates to a low-pressure carburising method comprising alternating low-pressure enrichment steps and diffusion steps in the presence of a neutral gas. During the enrichment steps, an enriching gas and neutral gas mixture is used, the proportion of the neutral gas being between 5 and 50% by volume of the enriching gas. The enriching gas can be, for example, acetylene (C2H2).
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US Patent 07118634 Low-pressure cementation method US Patent 7118634 Low-pressure cementation method
Infobox
Patent Number
0711863400
Patent Number
711863400
Edits on 3 Apr, 2023
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Infobox
Is a
Patent Jurisdiction
Patent Number
071186340
Date of Patent
October 10, 2006
0Patent Application Number
102584100
Date Filed
February 22, 2002
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
071186340
Date of Patent
October 10, 2006
0Patent Application Number
102584100
Date Filed
February 22, 2002
0Official Website
Patent Primary Examiner
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US Patent 07118634 Low-pressure cementation method
Infobox
Is a
Patent jurisdiction
Patent number
07118634
Date of patent
October 10, 2006
Patent application number
10258410
Date Filed
February 22, 2002
Patent primary examiner
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