Method of making slotted well screen

Details Method of making slotted well screen Method of making slotted well screen

1980-11-24

1982-02-23

Albritton, C. L.

Electric heating

Metal heating

By arc

291635CW, 166227, 166231, 219121LG, 219121LL, 219121LY, B23K 2700

Patent

active

043170234

ABSTRACT:
Plastic well screen has tapered, undercut slots formed by a laser beam focused through a lens having its focal point located at or slightly away from the surface of the plastic cylinder being slotted so that the laser beam diverges as it passes through the plastic. The cylinder is rotated and simultaneously moved axially relative to the laser beam to produce a series of transverse slots. In one embodiment, the laser beam is interrupted to provide continuous longitudinal support portions in the cylinder. In a modified embodiment, the cylinder has integral internal ribs which remain intact even though the laser is operated continuously to remove surface material located between the ribs and the laser beam.

REFERENCES:
patent: 2046458 (1936-07-01), Johnson
patent: 2978027 (1961-04-01), Widmyer
patent: 3582466 (1971-06-01), Quirk
patent: 3883162 (1975-05-01), Colburn
patent: 4028525 (1977-06-01), Mominee et al.
patent: 4182414 (1980-01-01), Sanders et al.

Affiliated with

Also associated with

Rating

Method of making slotted well screen does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of making slotted well screen, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making slotted well screen will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1775311