Methods for lining the internal walls of a conduit for conveying

Details Methods for lining the internal walls of a conduit for conveying Methods for lining the internal walls of a conduit for conveying

1980-05-30

1982-06-15

Moon, Charlie T.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29523, B21D 5300, B21K 2900, B23P 1526

Patent

active

043343457

ABSTRACT:
The internal walls of a conduit for conveying fluid carrying marine fouling organisms is lined with a liner of anti-fouling material by inserting an expandable liner of anti-fouling material into the conduit and by expanding the liner radially outwardly into tight engagement with the internal walls with sufficient force to prevent movement of the liner with respect to the conduit upon the fluid flowing therethrough. The liner of anti-fouling material prevents the marine fouling organisms from contacting the internal walls of the conduit and thereby prevents the marine fouling organisms from adhering to or collecting on the internal walls and thereby prevents such marine fouling organisms from constricting the flow of fluid through the conduit. The liner of anti-fouling material may be comprised of a plurality of generally annularly shaped and radially expandable bands of such material which are inserted into the conduit and aligned axially and adjacent each other. A plurality of bands of radially outwardly expandable material may be inserted into the bands of anti-fouling material and positioned over the adjacent edges of adjacent bands of anti-fouling material and expanded radially outwardly to force at least the underlying portions of the bands of anti-fouling material into tight engagement with the internal walls of the conduit and with sufficient force to prevent the bands of anti-fouling material to move with respect to the conduit upon the fluid flowing therethrough.

REFERENCES:
patent: 171440 (1875-12-01), Smith
patent: 2148783 (1939-02-01), Spaulding
patent: 2386747 (1955-10-01), Ris
patent: 3169376 (1965-02-01), Cunningham

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