US PATENT SUBCLASS 65 / 120
.~.~ By flame
Current as of:
June, 1999
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GLASS MANUFACTURING
17.1
DF
PROCESSES
{32}
111
DF
.~ Glass preform treating {4}
120
.~.~ By flame
DEFINITION
Classification: 65/120
(under subclass 111) Processes comprising contacting a glass preform with a flame.
SEE OR SEARCH THIS CLASS, SUBCLASS:
57, for a bonding process in which one of the parts may be heated by flame contact.
65, for a process of forming a glass product combined with fire-polishing.
104, for a process of reshaping including fire-polishing.
113, for severing a glass preform by use of a flame.
284, for fire-polishing apparatus; see the "Search Notes" thereunder. 285, for apparatus to reshape a preform by use of flame pressure.
