Plastic and nonmetallic article shaping or treating: processes – Gas or vapor deposition of article forming material onto...
Patent
1981-01-15
1984-07-17
Hall, James R.
Plastic and nonmetallic article shaping or treating: processes
Gas or vapor deposition of article forming material onto...
264113, 264121, 264309, D04N 120
Patent
active
044605293
ABSTRACT:
Disclosed herein is a process for manufacturing ceramic or ceramic oxide hollow bodies and a method for its manufacture. The ceramic hollow bodies 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: 2968083 (1961-01-01), Lentz et al.
patent: 3429962 (1969-02-01), Krystyniak
patent: 3609829 (1971-10-01), Carrell et al.
Schultze Werner
Weber, Jr. Knut
Hall James R.
Langlet Weber KG
Vereinigte Aluminium-Werke Aktiengesellschaft
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