Method of manufacturing a selective isolation screen

Details Method of manufacturing a selective isolation screen Method of manufacturing a selective isolation screen

1992-12-18

1994-05-03

Bradley, Paula A.

Metal fusion bonding

Process

Plural joints

166233, 291637, B23K 3102, E03B 318, E21B 4308

Patent

active

053079841

ABSTRACT:
A method of manufacturing a selective isolation screen includes steps of fitting a plurality of screen jackets one by one on a base member, each of the screen jackets including a plurality of spacer members extending in the longitudinal direction to be disposed, circumferentially spaced, on the base member and a wire wound about the periphery of the spacer members with a predetermined gap, and welding the end portions of each screen jacket to the base member thereby fixing the screen jacket to the base member and also forming seal means and thus constituting a single unit screen. Difficulty in welding can thereby be avoided and location and state of mounting of sleeves can be visually checked.

REFERENCES:
patent: 77772 (1868-05-01), Skilling
patent: 1594788 (1926-08-01), McLaughlin et al.
patent: 3712373 (1973-01-01), Bearden et al.
patent: 4378840 (1983-04-01), Lilly
patent: 4771829 (1988-09-01), Sparlin

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