Transport roller for heating furnaces
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United States of America Patent
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Oct 8, 2024
Grant Date -
Oct 20, 2022
app pub date -
Apr 14, 2022
filing date -
Apr 19, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
The transport roller disclosed herein includes: an outer tubular member which is tubular and is made of a metal material; an inner tubular member which is provided inside the outer tubular member, is tubular, and is made of a ceramic material; multiple ring-shaped projections which each have a ring shape along an outer peripheral surface of the outer tubular member, are made of a metal material, and are supporting the heating target; and protection members which are formed in respective portions of the ring-shaped projections in contact with the heating target, and each include a ceramic coating containing a ceramic component.
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