Method of joining tubular member and annular parts

Details Method of joining tubular member and annular parts Method of joining tubular member and annular parts

1983-07-18

1986-03-18

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29523, 74567, 2853824, 403277, B23P 1100

Patent

active

045759138

ABSTRACT:
A joint structure of a metallic tubular member and metallic annular parts, the annular parts being joined to the outer periphery of the tubular member as in a camshaft. Each of the annular parts has around its inner periphery at least one serrated portion which cuts into the outer periphery of the tubular member when they are joined, the annular part also having a planar portion facing another portion of the tubular member in such a manner that substantially no pressure is exerted on the planar portion of the annular part.
A method of making such structure involves positioning of the tubular member is required in relation to the annular parts, as by use of a split die, and then forcing into the tubular member a pressing member to expand the tubular member so that the serrated portions cut into the outer periphery of the tubular member.

REFERENCES:
patent: 2892254 (1959-06-01), Garvin
patent: 3127672 (1964-04-01), Kretschmer
patent: 3467180 (1969-09-01), Pensotti
patent: 3481026 (1969-12-01), Lindesmith et al.
patent: 3534988 (1970-10-01), Lindsey
patent: 3851378 (1974-12-01), Dessert
patent: 4204312 (1980-05-01), Tooker
patent: 4265388 (1981-05-01), Takahashi et al.
patent: 4293995 (1981-10-01), Jordan

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