US PATENT SUBCLASS 65 / 84
.~.~.~ By direct gaseous contact
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
Terms of Use
65 /
HD
GLASS MANUFACTURING
17.1
DF
PROCESSES
{32}
66
DF
.~ Forming product or preform from molten glass {7}
83
DF
.~.~ With positive cooling of product or molten glass at forming area {2}
84
.~.~.~ By direct gaseous contact
DEFINITION
Classification: 65/84
(under subclass 83) Process wherein the cooling comprises contacting the glass with a gaseous material of lower temperature than the glass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
88, for a process involving injecting gas internally of a hollow cylinder during drawing thereof to prevent collapse of the hollow cylinder.
119, for a process of annealing glass involving heating or cooling the glass by direct contact with flowing gas.
