Method of and device for forming an integral lubricating nipple

Details Method of and device for forming an integral lubricating nipple Method of and device for forming an integral lubricating nipple

1979-07-10

1981-06-02

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

With metal deformation of different type

72370, 72125, B21C 3715, B21D 2218, B21C 3728

Patent

active

042703743

ABSTRACT:
An integral lubricating nipple is formed on a tubular member, first, by pressing a conically shaped hollow lug outwardly from the tubular member and then by applying rotatable pressure jaws against the conically shaped lug to provide the finished surface configuration of the nipple. While the pressure jaws are shaping the lug, a punching die cuts a lubricating bore through the outer end of the lug into its hollow interior. Compressed air can be supplied for clearing any material particles resulting from the punching of the lubricating bore.

REFERENCES:
patent: 1921584 (1933-08-01), Robinson
patent: 1994034 (1935-03-01), Carroll
patent: 2210107 (1940-08-01), Thomas et al.
patent: 2240319 (1941-04-01), Taylor
patent: 2910897 (1959-11-01), Huet
patent: 3209439 (1965-10-01), Arbogast
patent: 3442106 (1969-05-01), Gray, Jr. et al.
patent: 4052880 (1977-10-01), Cullinan et al.

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