Metal working – Method of mechanical manufacture – Shaping one-piece blank by removing material
Patent
1983-12-15
1985-05-28
Briggs, William R.
Metal working
Method of mechanical manufacture
Shaping one-piece blank by removing material
29 33T, 29557, B23P 1300
Patent
active
045191255
ABSTRACT:
A sucker rod coupling manufacturing system providing precision squareness of ends with through rolled thread axis characterized by O. D. clamping of the workpiece coupling at all machining operations involving the critical relationship of square shoulders to thread axis and through piloted boring of I. D. to be roll threaded.
REFERENCES:
patent: Re24441 (1958-03-01), Parker et al.
patent: 1703232 (1929-02-01), Gray et al.
patent: 2747948 (1956-05-01), Jergens
patent: 2862215 (1958-12-01), Gross
patent: 3258838 (1966-01-01), Tilton, Jr.
patent: 3981210 (1976-09-01), Janiszewski
Colonius Ray E.
Early Edward
Briggs William R.
Cargill Detroit Corp.
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