.~ With cleaning, preserving or conditioning of apparatus
DEFINITION
Classification: 162/48
(under subclass 1) Processes which involve a treatment of the apparatus employed to clean, preserve or condition it for use in the digestion operation.
(1) Note. This subclass takes the above steps in combination with digestion or fiber treating steps or such cleaning, preserving, or conditioning steps, per se, if not otherwise provided for. This subclass includes, for example, digestion in the presence of an autocorrosion agent or performed in such a manner as to prevent corrosion of the apparatus.
SEE OR SEARCH THIS CLASS, SUBCLASS:
199, for processes involving the cleaning, preserving, conditioning or repairing apparatus used in the making of webs or articles from liberated fibers.
272+, for apparatus for performing processes classified in subclass 199.
SEE OR SEARCH CLASS 65, Glass Manufacturing,
27, for a glassworking and/or treating process including a step of repairing or cleaning of apparatus.
134, Cleaning and Liquid Contact With Solids, appropriate subclasses for processes of cleaning, not otherwise provided for, but not combined with fiber digestion.
294, Handling: Hand and Hoist-Line Implements, particularly
141+, for processes of cleaning by electrolysis not combined with fiber digestion.
