Composite non-metallic and metallic chain for water treatment systems
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United States of America Patent
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Sep 15, 1998
Grant Date -
N/A
app pub date -
Apr 29, 1996
filing date -
Apr 29, 1996
priority date (Note) -
Expired
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Abstract
In accordance with the teachings of the present invention, a composite non-metallic and metallic chain for use in a waste water treatment system is provided. The chain includes a plurality of non-metallic chain link barrel connecting elements including central teeth receiving portions. Each of the barrel elements include first and second end portions extending from opposite ends of the teeth receiving portion. A plurality of metallic side bar members interconnect the non-metallic barrel elements and are rotatably coupled to the end portions of the barrel elements. A plurality of non-metallic bearing members are disposed about the end portions of the barrel elements between adjacent metallic side bar members for reducing friction and wear between the adjacent side bar members. A plurality of non-metallic clip members are secured with indentations formed in the end portions of the barrel elements for securing the metallic side bar members thereto.
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