(under subclass 93) Devices wherein there is provided a device which contacts a portion of the work to (a) prevent movement of the contacted portion or (b) constrains the work for movement in a particular path, so that when the work is pulled a stress will be created which will effect a severance of the work at a weakened portion.
SEE OR SEARCH THIS CLASS, SUBCLASS:
100+, for devices to restrain a portion of a web and pull
another portion of the web to break or tear the web between the restrained and pulled portions.
SEE OR SEARCH CLASS
226, Advancing Material of Indeterminate Length,
195, for means to place tension on material of indeterminate-length, where severing is not claimed. 242, Winding, Tensioning, or Guiding,
410+, for means; e.g., a brake, to apply tension to an elongated material.
