(under subclass 54) Subject matter wherein a rigid instrumentality is moved against the work with deforming force.
(1) Note. For placement in this subclass, a patent must relate to the deformation of metal by means of a driven rigid tool or work-mover, which operation is modified by, supplemented by, or is in addition to, metal deformation by direct engagement of work with fluent material.
(2) Note. Examples of combinations for this or indented subclasses are:
(a)
An actuated die forces work against a thick, soft, rubber cushion.
(b)
A bending press deforms pipe which has been filled or packed with sand or plastic material to prevent collapse of the pipe wall.
(c) A multi-tool-station machine has fluent tool means at one station.
(d)
Plural method steps comprise at least one deformation of work by actuated tool and one by fluent material.
(e)
A punch-and-die set includes one tool face having a rubber insert engageable with the work and yieldable with respect to adjacent tool face portions.
