Door hinge and method of manufacturing same
Number of patents in Portfolio can not be more than 2000
United States of America
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Dec 10, 2024
Grant Date -
Oct 28, 2021
app pub date -
Jul 8, 2021
filing date -
Jul 8, 2021
priority date (Note) -
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Abstract
A method of manufacturing a door hinge, which can improve productivity by applying both metal injection molding and additive manufacturing is disclosed. The method includes: preparing a first mixture of a first metal powder and a first binder, and a second mixture of a second metal powder and a second binder; molding the first mixture into a first body including a first connection member having a first pinhole; molding the first mixture into a second body including a second connection member having a second pinhole to communicate with the first pinhole; arranging the first body and the second body to align the first pinhole and the second pinhole along an axis to form a cavity; forming a pin member with the second mixture in the cavity by adding up droplets of the second mixture in the cavity; and sintering the first body, the second body, and the pin member.
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