Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1980-10-03
1983-07-12
Moon, Charlie T.
Metal working
Method of mechanical manufacture
Assembling or joining
29522A, 192 84A, 403278, B21D 3900, B23P 1100
Patent
active
043922961
ABSTRACT:
In a method of joining two metal members by forming an annular groove at least on one of the two metal members to be joined and causing part of the material of the metal member to flow into the annular groove by plastic deformation to form a joint, at least one annular angled member is formed in the annular groove. The annular angled member extending the entire periphery of the annular groove is substantially triangular in axial cross-sectional shape. The joint has increased strength and can be formed with reduced pressure.
REFERENCES:
patent: 2517598 (1950-08-01), Rehnberg et al.
patent: 2804679 (1957-09-01), Tracy
patent: 3559946 (1971-02-01), Baxter, Jr.
patent: 4249298 (1981-02-01), Kanamaru et al.
patent: 4305198 (1981-12-01), Kanamaru et al.
Asahi Naotatsu
Haginoya Mitsuo
Kanamaru Hisanobu
Tatsumi Hideo
Tohkairin Akira
Hitachi , Ltd.
Moon Charlie T.
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