(under subclass 17.1) Processes which include the step of applying to the glass or the apparatus a separate and distinct layer which functions to either (1) lubricate the glass apparatus, or (2) prevent adhesion during a glass
working or treating operation of the glass to another glass or to the apparatus.
SEE OR SEARCH THIS CLASS, SUBCLASS:
60.1+, for a process of coating glass with a coating material not intended to function as a parting or lubricating layer and see the Search Notes thereunder.
169, and 170, for glass working apparatus combined with means providing a parting or lubricating means, respectively.
SEE OR SEARCH CLASS
106, Composition: Coating or Plastic, 2, for coating or plastic compositions specially designed for use in the prevention of adherence of a coating material to a surface.
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
289, for a process of laminating including use of a parting or release layer.
