WITH CLEANING, DESCALING, OR LUBRICATION OF WORK OR PRODUCT:
(under the class definition) Subject matter comprising a step of, or means for, performing one or more of the following operations upon the material which is the subject of metal deformation (i.e., the work material), before, during, or after the deforming operation: (a) separation or removal from the surface of work material of any or all substances which may be present thereon as a spot or film of undesired material generally distinguishable from the work material per se, or (b) application of a substance to work material or to an element of a metal-deforming device, which substance is claimed or disclosed as an agent for reducing friction between forcibly engaged surfaces of work material and said device.
(1) Note. Subject matter involving the application of gas, vapor, mist, or modified atmosphere to work, prior to or during deformation, is placed in preceding subclass 38, regardless of specific effects thereof such as cleaning, lubrication, descaling, etc.
(2) Note. The grinding or machining of scale or oxide from work material is regarded as cleaning or descaling for this subclass, if there is no claimed redimensioning of the work material by the removal of metal.
(3) Note. The term "lubrication" is limited for the purposes of this subclass to the application of a lubricating substance; other arrangements which may be claimed for reducing friction or tool wear (e.g., by joggings, ultrasonic vibration, etc.) are treated as perfecting features of the specific type of deforming process or apparatus concerned.
SEE OR SEARCH THIS CLASS, SUBCLASS:
38, for exposure of work to gas, vapor, mist, or modified atmosphere for various purposes including cleaning or lubrication, and see (1) Note above.
46+, for "coating" of work (i.e., before or during deformation) which may involve disclosure of cleaning, pickling, etc. SEE OR SEARCH CLASS
118, Coating Apparatus,
72+, for apparatus for cleaning and coating of metal.
134, Cleaning and Liquid Contact With Solids, for a process of cleaning metal, including pickling.
216, Etching a Substrate: Processes,
6, for the formation of a capacitor using etching in the process.
427, Coating Processes,
299, for processes of pretreating a base, followed by coating.
