Patent ID: 6984349
Filing Date: 2006-01-10
Classification: B29C,B29K,B29L,F25D

Abstract:
1. A manufacturing method for a refrigerator door, the method comprising: step A: printing an appearance pattern on an inner surface of a transparent plastic layer; step B: placing said transparent plastic layer on a male mold of a vacuum forming machine, wherein said inner surface with said appearance pattern faces to the male mold of said vacuum forming machine; step C: vacuum-forming said transparent plastic layer into a refrigerator door body; step D: removing a burr from said refrigerator door body in a periphery thereof; step E: placing said refrigerator door body on a lower mold of a foaming jig, wherein said inner surface with said appearance pattern is facing up; step F: pouring a PU foaming material into the inner surface of said refrigerator door body; step G: covering a door lining on said PU foaming material and said refrigerator door body; step H: closing said lower mold with an upper mold of said foaming jig, and pressure-foaming said PU foaming material into said refrigerator door; step I: separating the lower mold and the upper mold of said foaming jig and extracting said refrigerator door.