Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1985-08-23
1987-04-14
Kittle, John E.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428697, 428698, 428702, B07D 722, B07D 136, B05D 302
Patent
active
046577947
ABSTRACT:
This invention relates to a ceramic or ceramic oxide hollow body and a method for its manufacture. The ceramic or ceramic oxide hollow body of the present invention does not require the use of a binder or adhering substrate or any type of internal embedded supports. The hollow body is capable of being manufactured for any desired diameter and length and is especially suited for thick walled pipes. The ceramic hollow body is homogeneous, free of internal cracks, and highly heat stable and shock insensitive. It is produced in a continuous quasi-isothermal thermal spray process in which hot atomized ceramic or ceramic oxide particles are sprayed as a plasma onto a non-adhering highly thermally conductive internally cooled mold core. The mold core is mounted on a rotating lathe which in turn is mounted on a longitudinally movable carriage to accomplish the uniform layer thickness of the hollow body. The mold core is removable from the hollow body and the hollow body thus removed is capable of being directly used without sintering.
REFERENCES:
patent: 4005235 (1977-01-01), Prochazka
patent: 4082863 (1978-04-01), Dancy et al.
patent: 4117868 (1978-10-01), Pignocco et al.
patent: 4330496 (1982-05-01), Desplanches et al.
Schultze Werner
Weber, Jr. Knut
Kittle John E.
Vereinigte Aluminium-Werke Aktiengeselschaft
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