Method of lining pipes, molds or other tubular articles with the

Details Method of lining pipes, molds or other tubular articles with the Method of lining pipes, molds or other tubular articles with the

1975-10-16

1978-08-15

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264102, 264219, 264225, 264338, 264344, B29D 900, B29G 700

Patent

active

041072545

ABSTRACT:
A method of lining a pipe with settable material including the steps of arranging the pipe with its longitudinal axis inclined at an angle to the horizontal, introducing a selected amount of liquid material into the pipe at a predetermined rate so that the liquid material flows down along the pipe, shifting the pipe to a horizontal position and spinning the pipe about its axis to distribute the material, spinning continuing until the material has set. The method is particularly applicable for lining pipes with polyurethane. For pipes with end flanges end faces of the lining material can be formed integral with the lining.

REFERENCES:
patent: 1620831 (1927-03-01), Moore
patent: 1678641 (1928-07-01), Holthaus
patent: 1802613 (1931-04-01), Millspaugh
patent: 2344020 (1944-03-01), Boucher
patent: 2349213 (1944-05-01), Van Niekerk
patent: 2675333 (1954-04-01), Trout et al.
patent: 3290426 (1966-12-01), Barrentine
patent: 3584105 (1971-06-01), Pekor

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