(under the class definition) Apparatus combined with means to apply a material to a work contacting surface of apparatus, which material prevents adhesion of glass being worked or treated.
(1) Note. The parting material may be a preformed layer or a fluent coating material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
24+, for a process which includes the step of utilizing a parting or lubricating layer.
170, for glass working apparatus having means to lubricate moving parts thereof.