Metal working – Plural diverse manufacturing apparatus including means for... – Separate tool stations for selective or successive operation...
Patent
1982-03-29
1984-07-24
Briggs, William R.
Metal working
Plural diverse manufacturing apparatus including means for...
Separate tool stations for selective or successive operation...
291566, 2915663, B23P 2300
Patent
active
044610670
ABSTRACT:
Apparatus and system for making positive locking sealing rings having interengagable ring end notches with mating surfaces thereof at closely precise angles of intersection. In a preferred form, interal notch end faces, and ring terminal ends, are parallel and disposed at a slight angle to the ring axis to provide a positive angular interlock between the notches in a free hooked condition. The term "free hooked" as used herein means latched but not confined in a final assembly. The rings, including notches and ring terminal ends, are formed automatically in the apparatus of the invention by a unitized multiple component or faced cutter, such as a milling cutter. The cutting surfaces and cutter unit for the angled face notch design are advanced at an angle to the ring axis equal to the angles of the notch face surfaces. The cutter element faces are so formed, disposed, and the cutter so controlled, preferably in a so-called single plunge notch cutting operation, as to insure a preserved uniform ring material section below the notch base for ring strength.
The machine used includes a ring blank loading station, two cutting stations for top and bottom hook cuts, a composite unloading-hooking station, a hooked ring catcher unit, and an index unit for transfer of parts under each station. A programmable controller function to control the operating cycle. Preferably, a circular design is used, although a linear configuration is possible.
REFERENCES:
patent: 1429419 (1922-09-01), Flammang
patent: 1471032 (1923-10-01), Johnson
patent: 1475661 (1923-11-01), Taylor
patent: 2560549 (1951-07-01), Bates
patent: 2697865 (1954-12-01), Norton
patent: 2925849 (1960-02-01), Burns et al.
patent: 3100929 (1963-08-01), Nisper
patent: 3553907 (1971-01-01), Price
Hill Don C.
Weissing Otto
Briggs William R.
McQuay-Norris, Inc.
Renz Jr. Eugene E.
Webb Glenn L.
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