Particle retainer cup for riser pipes

Details Particle retainer cup for riser pipes Particle retainer cup for riser pipes

1987-08-28

1988-08-16

Bryant, III, James E.

Pipes and tubular conduits

Combined

138128, 138156, 138167, 138178, 126317, F16L 5507, F16L 5524

Patent

active

047636947

ABSTRACT:
A unitary retainer cup adapted for being attached around a continuous vertical pipe so as to retain particulate materials in the cup. The cup has a lower cylindrical sleeve portion and a conical-shaped upper retainer portion including suitable clamp means which permits mating edges of a longitudinal joint in the cup to be retained together. The cup can be constructed of thin sheet material which is sufficiently flexible to permit it being placed around a pipe and clamped firmly onto the pipe. The lower sleeve portion is lined with a resilient material to accommodate irregularities in the surface of the pipe. The cup conical portion has a drain opening provided near its lower end to permit periodic removal of accumulated material from the cup.

REFERENCES:
patent: 135170 (1873-01-01), Stephenson
patent: 505459 (1893-09-01), Gothberg
patent: 576899 (1897-02-01), Scott
patent: 1175770 (1916-03-01), Jones
patent: 1399748 (1921-12-01), Cheney
patent: 1502154 (1924-07-01), Mueller et al.
patent: 2594843 (1952-04-01), Barfus
patent: 2681057 (1954-06-01), George
patent: 3500480 (1970-03-01), Michal

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