(under subclass .3) Processes and apparatus according to which the severing is produced by the application of oppositely directed forces to the continuous filaments substantially longitudinally thereof.
(1) Note. This type of staplizing is often referred to by those working in the art as "stretch breaking", although no substantial stretching of the filamentary material need be accomplished by the employment of the inventions herein classified. (see patent number 2,096, 795 to Dreyfus in subclass .37 indented hereunder).
(2) Note. The typical tension breaking apparatus comprises plural sets of drafting rolls, the peripheral speed of the delivery rolls being considerably greater than that of the feed rolls, causing the drafted filaments to be stressed beyond the breaking point, the length of the stapled fibers produced being determined (at least in part) by the spacing or ratch of the roll pairs. Classification in this and the indented subclasses, however, does not require that the breaking forces be so supplied.
SEE OR SEARCH THIS CLASS, SUBCLASS:
236+, for textile drafting apparatus and processes of general application.
SEE OR SEARCH CLASS
225, Severing by Tearing or Breaking, 1+, for processes and subclasses 93+ for apparatus for breaking or tearing sheet, web, or rodlike material.
254, Implements or Apparatus for Applying Pushing or Pulling force, appropriate subclasses for pulling implements of general application.
