Co-injected pipe fitting
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United States of America Patent
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N/A
Issued Date -
Nov 9, 2006
app pub date -
May 1, 2006
filing date -
May 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A co-injected fitting has a core made of recycled or reground PVC and ABS, which is less expensive and to which, in some embodiments, a blowing agent, such as azo and/or sodium bicarbonate, can be added to lower the weight. The fitting includes a skin on opposite sides of the core forming the internal side of the fitting and the external side of the fitting, respectively, in concentric relationship to the inner core. Such fittings may also include a strengthening core material, such as polycarbonate, to provide a stronger pipe fitting which likewise can be co-injection molded.
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