Patent ID: 7571530

Claim:
A method for manufacturing a cooking vessel having a bottom ( 16 ) on which a plurality of engraving parts ( 70 ) and embossing parts ( 60 ) are formed in a concavo-convex shape, the method comprising steps of: attaching a film ( 30 ) having through-holes ( 30 a ) corresponding to the embossing parts ( 60 ), to a stainless plate ( 20 ) cut in a predetermined shape; coating an ink layer ( 40 ) on the film ( 30 ) attached to the stainless plate ( 20 ), impregnating an ink of the ink layer ( 40 ) into the through-holes ( 30 a ) of the film ( 30 ), peeling off the film ( 30 ), and forming the ink layer ( 40 ) having the same pattern as the through-holes ( 30 a ) on a surface of the stainless plate ( 20 ); dipping the stainless plate ( 20 ) having the ink layer ( 40 ) in an erosion solution ( 50 ), and forming the engraving parts ( 70 ), by erosion, on a remnant surface of the stainless plate ( 20 ) other than the surface of the stainless plate ( 20 ) having the ink layer ( 40 ); and removing the ink layer ( 40 ) from the stainless plate ( 20 ), pressing the stainless plate ( 20 ), and forming the vessel body ( 10 ) having a housing part ( 12 ) therein and having the engraving parts ( 70 ) and the embossing parts ( 60 ) on the bottom ( 16 ) in the concavo-convex shape.