PVC/CPVC composite pipe with metal interlayer and process for making it
The invention relates to a coupling (60) comprising an outer cylindrical barrel (61) having fore and aft ends and comprising a radially inwardly extending flange (62), wherein the flange (62) coaxially supports a tapered inner barrel-shaped member (63) located at about the midpoint of the barrel (61...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a coupling (60) comprising an outer cylindrical barrel (61) having fore and aft ends and comprising a radially inwardly extending flange (62), wherein the flange (62) coaxially supports a tapered inner barrel-shaped member (63) located at about the midpoint of the barrel (61) having fore and aft ends (64, 65) that converge towards the center with a taper. |
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