.~ Plural wear or shaping surfaces mounted for alternative use
DEFINITION
Classification: 425/183
(under subclass 182) Apparatus which includes a plurality of parts so associated with the apparatus that a choice of one or more is necessary for use in any given operation.
(1) Note. The plural parts may be for example (1) two wear or shaping surfaces on a part, alternatively useable by reversing the part or (2) a plate having plural extrusion orifices, any one of which may be selectively chosen to be engaged with the extrusion machine material feed.
SEE OR SEARCH CLASS
65, Glass Manufacturing,
173, for glass manufacture apparatus with apparatus assembly means which provides for a choice of alternately used parts.
137, Fluid Handling,
329+, for fluid handling apparatus including means providing a choice of use of alternate wear parts; see the search notes thereunder.