Pipes and tubular conduits – Plural duct
Patent
1995-06-02
1996-04-02
Bryant, III, James E.
Pipes and tubular conduits
Plural duct
138108, 138113, 138148, F16L 3900
Patent
active
055031919
ABSTRACT:
A length of elongate material such as rubber hose is supported and guided while being fed along a desired path of travel that extends through the hollow interior of a tubular structure. The tubular structure mounts an array of relatively closely spaced rollers that project into the hollow interior to guide and support the moving length of material. The tubular structure is formed as a "tube within a tube" assembly of "inner" and "outer" tubular members that closely interfit, and that sandwich roller support pins between overlying portions of the inner and outer tubular members. The roller support pins bridge roller positioning holes that are formed through the inner tubular member at an array of spaced locations. The rollers are rotatably mounted by the support pins and project through the positioning holes into the hollow interior of the tubular structure to engage outer surface portions of such elongate material as is being fed through the tubular structure to prevent the moving material from contacting stationary portions of the tubular structure. In preferred practice, a funnel-like roller-carrying end assembly is provided near one end of the tubular structure to define a constricted discharge opening through which the moving material discharges.
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Bryant III James E.
Burge David A.
Lewandowski T. P.
The Goodyear Tire & Rubber Company
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