(under the class definition) Processes which include either (1) extending the base beyond its normal dimension in at least one direction or (2) maintaining the base in a taut condition.
(1) Note. The tensioning or stretching incidental to feeding a fabric through a coating machine or broadly maintaining a surface taut during coating is not provided for here but in the appropriate subclass hereinafter.
(2) Note. This subclass excludes stretching only small portions of the base such as in embossing.
SEE OR SEARCH CLASS
118, Coating Apparatus,
33+, for coating apparatus combined with stretching means.
242, Winding, Tensioning, or Guiding, 410+, for tensioning a running material of general use.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
288.4+, and 291+ for stretching to reform work, such as for biaxial orientation, and for stretching a plastic material beyond its elastic limit; combined with coating.