Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1996-08-02
1998-01-20
Bell, James J.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
138140, 156166, 156180, 156433, 156441, 264129, 428 357, 428 361, B32B 100
Patent
active
057099170
ABSTRACT:
A hollow composite rod manufactured in a pultrusion manufacturing process includes a hollow interior space that may be filled with a liquid, such as water or oil, and subsequently sealed to greatly increase the strength of a resultant rod assembly. The composite rod includes a high strength, pultruded fiber-resin jacket that, at each end, is molded about a reinforced insert to create a fluid-tight seal therebetween. Threaded access apertures are provided through either the reinforced inserts or the jacket itself, to permit the filling or draining of fluid relative to the hollow interior space. Reinforcing sleeves or caps may be molded over a portion of the jacket's exterior to improve the composite rod's resistance to cutting and chipping-type damage.
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