(under subclass 18) Devices having spacing means for
supporting coupling parts of two distinct pipes in mating position with respect to the mating coupling parts of the inlet and outlet of a receptacle (e.g., water meter case) or of fixed pipe ends.
SEE OR SEARCH THIS CLASS, SUBCLASS:
120.1+, for pipe connections providing plural noncommunicating paths.
SEE OR SEARCH CLASS
73, Measuring and Testing,
201, for connections between combined volume and rate of flow meters.
