Replaceable pipe liner assembly

Details Replaceable pipe liner assembly Replaceable pipe liner assembly

1988-10-31

1989-12-19

Callaghan, Thomas F.

Pipe joints or couplings

With casing, lining or protector

Lined

285156, 29450, F16L 4100

Patent

active

048878480

ABSTRACT:
A replaceable pipe liner assembly for a pipe assembly used to dispense abrasive materials has a plurality of tubular liner sections positioned in end-to-end engagement along the length of straight pipe sections of the pipe assembly, and further includes T-shaped liner sections for lining T fittings of the pipe assembly. The tubular liner sections and T-shaped liner sections are easily replaceable, and each is of molded, one-piece, construction, and of resilient abrasive resistant material such as polyurethane. The tubular liner sections interfit in end-to-end engagement to axially align the sections and present a smooth inner liner wall.

REFERENCES:
patent: 785176 (1905-03-01), Mommertz
patent: 1964123 (1934-06-01), Kaiser
patent: 2088922 (1937-08-01), Porteous
patent: 2366067 (1944-12-01), Smith
patent: 2366814 (1945-01-01), Smith
patent: 3148896 (1964-09-01), Chu
patent: 3347568 (1967-10-01), Weeden, Jr. et al.
patent: 3773593 (1973-11-01), Casadevall et al.
patent: 4733889 (1988-03-01), Haines

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