Ring having improved weight, durability, damage resistance, shine and workability features
AssigneeQuantum Jewelry (Hong Kong) Limited
InventorsJeong-su Song, Nun-Choi Jun
Life of this patent
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AssigneeQuantum Jewelry (Hong Kong) Limited
InventorsJeong-su Song, Nun-Choi Jun
Estimating the term…
A ring and method of manufacturing a ring which may include: an outer ring, in which a second carbide composed of a combination of tungsten carbide, iron group carbide or carbonitride is mixed with a metal binder phase at a predetermined ratio, in which the outer ring is divided into a first outer ring and a second outer ring formed in a shape corresponding to each other; an inner ring separately and/or independently assembled between the first and second outer rings, in which the inner ring includes an outside inner ring that forms an outer circumferential surface of the ring and an inside inner ring that forms an inner circumferential surface of the ring; ring fitting parts formed on the first and second outer rings, respectively, such that both sides of the outer and inside inner rings are press-fit; and assembling protrusions formed on the first and second outer rings, respectively, to be inserted into the outer circumferential surface of the inside inner ring to maintain a firm assembly between the outer ring and the inner ring for a long period of time.
A ring comprising:
Dependencies are inferred from the claim text.