Method for manufacturing cooking vessel

Details Method for manufacturing cooking vessel Method for manufacturing cooking vessel

2006-09-25

2009-08-11

Cozart, Jermie E (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C029S460000, C029S527100, C029S527200, C029S530000, C072S379200, C219S621000, C220S573100, C220S573300, C220S912000

Reexamination Certificate

active

07571530

ABSTRACT:
Provided is a method for manufacturing a cooking vessel having a bottom on which a plurality of engraving parts and embossing parts are formed in a concavo-convex shape. The method includes attaching a film having through-holes to a cut stainless plate; coating an ink layer on the film, impregnating an ink of the ink layer into the through-holes of the film, peeling off the film, and forming the ink layer; dipping the stainless plate having the ink layer in an erosion solution, and forming the engraving parts, by erosion, on a remnant surface of the stainless plate; and removing the ink layer from the stainless plate, pressing the stainless plate, and forming the vessel body having a housing part therein and having the engraving parts and the embossing parts on the bottom in the concavo-convex shape.

REFERENCES:
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patent: 3825993 (1974-07-01), McGinnis et al.
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patent: 5694674 (1997-12-01), Flammang
patent: 5809630 (1998-09-01), Coissard
patent: 5833894 (1998-11-01), Lanzani et al.
patent: 6702140 (2004-03-01), Sollo
patent: 6715631 (2004-04-01), Kim
patent: 7337518 (2008-03-01), Cheng
patent: 2005/0205646 (2005-09-01), Cheng

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