Pipes and tubular conduits – Flexible – Joined sections
Patent
1989-06-22
1990-12-11
Simone, Timothy F.
Pipes and tubular conduits
Flexible
Joined sections
138155, 138 39, 406191, 406 86, 406 45, D03D 2100, F16L 1304
Patent
active
049762885
ABSTRACT:
Tubing or pipe bend or elbow for use in carrying pneumatically conveyed granular material has an axial bore with an input opening at one end and gradually diminishes to a smaller opening at the output end, such that the incoming material sees a pressure relief, or drop, at the input to the bend. As a feature, a tubing bend may be segmented, i.e., made out of a series of separate or individual bends with the output of one coupled to the input of another.
REFERENCES:
patent: 1561448 (1925-11-01), Simon
patent: 1567369 (1925-12-01), Holst
patent: 2654619 (1953-10-01), Gaum
patent: 3379219 (1968-04-01), Schuh et al.
patent: 4074553 (1978-02-01), Woodrow
patent: 4239264 (1980-12-01), Evans
patent: 4703135 (1987-10-01), Magnani
Steele James R.
Williams Leonard
Dynamic Air Inc.
Graham Gary K.
Simone Timothy F.
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