Invention Application
- Patent Title: METHOD FOR MANUFACTURING OUT PLATE FOR REFRIGERATOR
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Application No.: US17204132Application Date: 2021-03-17
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Publication No.: US20210291251A1Publication Date: 2021-09-23
- Inventor: Seongmin SONG , Youngju HWANG , Kunhyung PARK
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Priority: KR10-2020-0033461 20200318
- Main IPC: B21D28/26
- IPC: B21D28/26 ; B21D28/34 ; B41M1/28

Abstract:
A method for manufacturing an out plate for a refrigerator includes providing a steel plate with a protective film attached to a surface thereof; seating the steel plate on a die and forming one of the plurality of through holes by a vertical movement of a punch; and horizontally moving the steel plate to one of a plurality of set positions to form another one of the plurality of through holes in the steel plate by the vertical movement of the punch, wherein the out plate defines a front surface of a door of the refrigerator and includes a display part, wherein a plurality of through holes are formed therein, and a display assembly comprising a plurality of light emitting diodes (LEDs) that are configured to transmit light through the plurality of through holes configured to display information.
Public/Granted literature
- US11890662B2 Method for manufacturing out plate for refrigerator Public/Granted day:2024-02-06
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