(under subclass 20) Device including a flexible wall element, one side of said element being forced into contact with a workpiece by fluid pressure applied to the other side of said element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
275, for patents including a yieldable jaw element that may be placed either on the diaphragm, or between the diaphragm and the work.
SEE OR SEARCH CLASS
100, Presses,
211+, for patents to a press with a deformable pressure surface.
137, Fluid Handling, 777+, for patents for a fluid handling device having one or more flexible wall elements, and see the notes under subclasses 784 and 793.