(under the class definition) Apparatus comprising (1) a fluent material confining member which member imparts the extended shape to the fluent material and (2) a traveling type member adapted to be withdrawn axially from within the confining element and thus impart internal shape to the formed product.
(1) Note. The patents generally found herein relate to pipe formers in which the traveling member smooths and compacts the internal surface of the pipe.
SEE OR SEARCH CLASS
118, Coating Apparatus,
105, for apparatus for coating (lining) a preformed pipe, which structure may be closely related to subject matter of subclass 262.
