(under subclass 148.1) Subject matter comprising a fitting having expansible ends for insertion into and between pipe ends with means intermediate the ends of the fitting providing a readily separable coupling.
(1) Note.Means for forming a continuous line of pipe for feeding the pipe through apparatus in a continuous process (e.g., coating) are placed in this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
338, for a coupling comprising a spigot carried, expansible packing. See the Search Notes thereunder.