(under subclass 386) Dispensers in which the follower member is of a nonrigid (flexible or resilient) material.
(1) Note. Outer receptacle wall structure is not considered to be a follower and structures wherein a collapsible or resilient outer wall follows the material being dispensed are not included in this subclass. For such devices, see subclasses 92+ of this class.
SEE OR SEARCH THIS CLASS, SUBCLASS:
92+, for collapsible wall type containers, and particularly subclasses 95+, for such containers in combination with wall collapsing means therefor. See (1) Note.
SEE OR SEARCH CLASS
137, Fluid Handling, 564.5, for nonrigid type followers in fluid handling systems.