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US 4,622,237 AGranted
Method of flame activation of substrates
OwnerGiulio Loriinventor
Life of this patent
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Abstract
Physical method for the treatment of the surfaces of polyolefinic plastic laminates, polytetrafluoroethylene (PTFE), cardboards and metal sheets such as, particularly, aluminium and tinplate, of any thicknesses and widths, by means of a flame produced by the combustion of a mixture of air-hydrocarbon gas, characterized in that such a mixture is enriched with pure oxygen gas.
Claims16
A method of treatment of surfaces of objects made of plastic materials, resins, rubbers, papers, cardboards or metals comprising, treating said surfaces with an electrically excited flame of a burning gaseous mixture.
Dependencies are inferred from the claim text.