Process for manufacture of profiled non-stick pans with concave-convex pattern
AssigneeJiangmen Yishan Metal Products Co., Ltd.
InventorChangho LEE
Life of this patent
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Abstract
A process for manufacture of a profiled non-stick pan with a concave-convex pattern, which includes the following steps: preparing a flat blank for forming a pan body; screen printing a layer of ink with a predetermined pattern on a surface of the blank for a pan body, then drying and curing the ink; etching, by an etching process, the surface of the blank, on areas of the surface not covered by the ink, then cleaning and drying the blank, and retaining the ink; spraying non-stick pan coating on the blank, then baking the blank at high temperature, to enable the ink to automatically peel off at high temperature; pressing and stretching the blank to form a profiled pan body, then deburring and polishing on an edge of the pan body.
Claims9
A process for manufacturing a profiled non-stick pan with a concave-convex pattern, comprising:
- Step S1:
- preparing a flat blank for forming a pan body;
- Step S2:
- screen printing a layer of ink with a predetermined pattern on a surface of the blank for a pan body, then drying and curing the ink;
- Step S3:
- etching, by an etching process, the surface of the blank for a pan body, on areas of the surface not covered by the ink, then cleaning and drying the blank for a pan body, and retaining the ink;
- Step S4:
- spraying non-stick pan coating on the blank for a pan body, then baking the blank for a pan body at high temperature, to enable the ink to automatically peel off at high temperature;
- and
- Step S5:
- pressing and stretching the blank for a pan body to form a profiled pan body, then deburring and polishing on an edge of the pan body.
(canceled)
Dependencies are inferred from the claim text.