Ball valve assembly and method for forming

Details Ball valve assembly and method for forming Ball valve assembly and method for forming

1996-10-15

1998-04-07

Fox, John

Metal working

Method of mechanical manufacture

Valve or choke making

29510, B21D 3904

Patent

active

057350477

ABSTRACT:
A rotary ball valve assembly and method for forming utilizes a compression spring subjected to a non-torsional, axially directed compressive force to urge an annular seal into sealing engagement with a rotatable ball and, while so subjected, inwardly deforming a tubular member attached to the housing by an electromagnetic force to form an annular abutment retaining said compression spring.

REFERENCES:
patent: 2973182 (1961-02-01), Gill
patent: 2976907 (1961-03-01), Harvey et al.
patent: 3919756 (1975-11-01), Kajrup
patent: 4266566 (1981-05-01), Kacal et al.
patent: 4611374 (1986-09-01), Schnelle et al.
patent: 5488972 (1996-02-01), McCracken et al.
Aeroquip Bulletin, RB01 Series Ball Valves, KA28B, 6 pages.
Maxwell Bulletin 1202A, Mangeform 7000 Series, "a new generation of electromagnetic metalforming and assembly equipment", 6 pages.
Maxwell Bulletin 1201R, "MAGNEFORM offers a dimensions in shaping and assembling metals", 4 pages.
Tool and Manufacturing Engineers Handbook, vol. II Forming, 26 pages.

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