Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1990-02-01
1992-01-07
Seidleck, James J.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
285150, 285156, 285293, 428 369, F16L 4100
Patent
active
050790560
ABSTRACT:
A method and apparatus for fabrication of nozzles on reinforced thermosetting resin structures, more particularly, a method and apparatus for fabricating nozzles on pipe headers. A main pipe section is provided with a through branch outlet, and a shaped mold is provided to fit through the outlet and to provide a form for molding of the desired nozzle. Parts of the main pipe section which are adjacent to the mold are chamfered on the outside. Resinous matrix laminates are then provided to cover the mold and adjacent parts of the main pipe section. The method provides a smooth corrosion resistant interior joint between the pipe header and the new nozzle, with a new primary laminate providing both corrosion resistance and strength properties comparable to preformed pipe parts of the same resinous matrix laminate materials.
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patent: 3676579 (1972-07-01), Lanoue et al.
patent: 3765979 (1973-10-01), Thomas
patent: 4652020 (1987-03-01), Gilroy
patent: 4675965 (1987-06-01), Offringa et al.
patent: 4676532 (1987-06-01), Gronau et al.
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