(under subclass 60) Subject matter comprising a step of, or means for, utilizing a membrane or wall of solid, yieldable
material, one surface thereof being intended to engage work and to transmit thereto force which is developed by fluent material under pressure engaging the opposite surface thereof during an operation of the class type.
(1) Note. The usual purpose of such a diaphragm is to retain the fluent material in the device for reuse, and/or to facilitate rapid repetition of operations.
(2) Note. For placement in this subclass, the flexible wall or sealing layer should be distinguishable from the pressurized fluent material.
SEE OR SEARCH CLASS
100, Presses,
211, for a press, not elsewhere classified, having a yieldable or bendable jaw surface.
