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US 12,594,701 B2Granted
Meal bowl and a production process for the meal bowl
OwnerYanghuan Jianginventor
Life of this patent
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Abstract
The present invention provides a production process for a meal bowl and a meal bowl, the production process being, in sequence, a first injection molding, a first printing, a second printing, and a second injection molding, and the meal bowl obtained has upper transparent shell, pattern layer, separation layer, and soft plastic layer, and the presence of upper transparent shell eliminates the possible presence of industrial pigments, bowl bottom pattern ink or heavy metals in colored glazes, which potential harm to humans or infants, and low food safety risk.
Claims12
A production process of a meal bowl, the production process comprising:
- providing a transparent raw material which is injection moldable and free of industrial coloring, a high temperature resistant ink, a soft rubber with color, a first injection mold, a second injection mold, a first shaping mold, a second shaping mold, a printing machine and an injection molding machine;
- heating and melting the transparent raw material through the injection molding machine and injecting the heated and molten transparent raw material into the first injection mold to obtain an upper transparent shell;
- fixing the upper transparent shell inversely to the printing machine, so as to expose the bottom thereof, and printing a desired pattern on the bottom of the upper transparent shell using the high temperature resistant ink to obtain a pattern layer;
- printing a separation layer covering the pattern layer on the bottom of the upper transparent shell;
- and
- placing the upper transparent shell printed with the pattern layer and the separation layer in the second shaping mold, heating and melting the soft rubber through the injection molding machine, and injecting the soft rubber into the second shaping mold to form a soft plastic layer, wherein the soft plastic layer covers the separation layer.
3 more elements
Dependencies are inferred from the claim text.