METHOD OF MANUFACTURING AN OUTER PLATE FOR A REFRIGERATOR
A method for manufacturing an outer plate for a refrigerator includes providing a steel plate with a first protective film attached to a front 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 movin...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A method for manufacturing an outer plate for a refrigerator includes providing a steel plate with a first protective film attached to a front 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 outer 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. Each of the plurality of through holes are formed by sequentially penetrating the first protective film and the steel plate with the punch, wherein the horizontal moving of the steel plate and the forming of one of the plurality of through holes by the vertical movement of the punch are repeatedly performed while the steel plate is seated on the die at other ones of the plurality of set positions. |
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