Fluid-impervious structure and method of making same
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United States of America Patent
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Feb 16, 1993
Grant Date -
N/A
app pub date -
Oct 19, 1990
filing date -
Oct 21, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A concrete structure is lined with a statically self-supporting glass shell composed of shell segments which are themselves joined together by sealing strips. In a pipe embodiment of the invention, the shell segments form a ring spaced from the concrete body with the spacing being filled by a backfill mass so that a compressive prestress is provided to the arch shape. When used in a container, the shell may be a laminate of two or more glass layers bonded full surface together.
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