(under subclass 236) Method or apparatus wherein individual fibers are elongated during the drafting, in order to parallelize or straighten, but without breaking thereof.
(1) Note. Many patents placed in this subclass disclose that this stretching is for the purpose of imparting increased luster or brilliance to the fibers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
66+, for special treatment of fibers (i.e.) for purposes other than parallelization or straightening.