Pipes and tubular conduits – With flow regulators and/or baffles – Restrictors
Patent
1995-10-13
1997-08-05
Scherbel, David
Pipes and tubular conduits
With flow regulators and/or baffles
Restrictors
138104, 138103, F15D 102, F16L 5500
Patent
active
056532644
ABSTRACT:
An orifice device includes a pneumatic orifice fitting having a molded tubular plastic body with attachment ends for connecting into a pneumatic system. The body is formed of a transparent plastic and has a central enlarged hex portion for a threaded connector. A cavity is formed in one end of the body. A plastic molded orifice body has a maturing conical enlargement and is secured within the cavity by a solvent bond. The orifice body is molded of a color related to the size of the orifice and the color is visible through the body and particular the hex portion. Other forms of visible indicia may be used. The orifice body is molded with an outward projection from the enlargement for use in assembly. The projection is moved in the plane of the enlargement and cavity.
REFERENCES:
patent: 2624308 (1953-01-01), Wittlin
patent: 4096879 (1978-06-01), Serur et al.
patent: 4275768 (1981-06-01), Riggs et al.
patent: 4883093 (1989-11-01), Miles et al.
patent: 4938259 (1990-07-01), Schmidt
patent: 5228478 (1993-07-01), Kleisle
patent: 5340080 (1994-08-01), Cleland
patent: 5354530 (1994-10-01), Atkinson
patent: 5390964 (1995-02-01), Gray, Jr.
Brinson Patrick F.
Scherbel David
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