Glass-Lined Pipes.

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Abstract:

This patent application discloses a method of producing a glass-lined metal pipe in which an unconsolidated metal or metal alloy powder is loaded into a sealable glass mold comprising a graphite core, a glass sleeve slipped over the graphite core with a sliding fit, a sealable outer glass envelope surrounding the graphite core and glass sleeve forming with them a sealable chamber for the metal or metal alloy powder. The glass is a type which becomes plastic when heated. The air in the mold is removed under vacuum and the mold is sealed and placed into a free flowing refractory powder in a crucible and consolidated by sintering under atmospheric pressure CAP process. Removal of the glass envelope and the graphite core produces a glass-lined pipe in which the glass liner is slightly fused into and is under compressive force from the surrounding metal pipe.

Author(s):
Goldstein, David
Author Organization(s):
DEPARTMENT OF THE NAVY WASHINGTON DC
Descriptive Note:
Patent Application,
Pagination:
0012

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release
Distribution Statement:
Availability: This Government-owned Invention Available For U.s. Licensing And, Possibly, For Foreign Licensing. Copy Of Application Available Ntis.

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
PAT-APPL-887 165
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*PATENT APPLICATIONS, *GLASS, *LININGS, *PIPES, BAROMETRIC PRESSURE, COMPRESSIVE PROPERTIES, ENVELOPE(SPACE), METALS, MOLDS(FORMS), POWDER ALLOYS, SINTERING, SLEEVES, VACUUM, SHOCK RESISTANCE, THERMAL RESISTANCE, WEAR RESISTANCE
Field(s)/Group(s):
Ceramics, Refractories and Glass, Pumps, Filters, Pipes, Tubing, Fittings and Valves
Report Date:
1986 Jul 03