Metal deforming – By deflecting successively-presented portions of work during... – With cutting of work or product
Patent
1979-07-06
1981-06-16
Abercrombie, Willie G.
Metal deforming
By deflecting successively-presented portions of work during...
With cutting of work or product
83 27, 83 71, 83406, 834254, 83917, 83560, 83516, B26D 530, B21F 1100
Patent
active
RE0306452
ABSTRACT:
A method and apparatus for automatically cutting wrappers or the like from metal sheets. A metal sheet is conveyed in the x-direction to a cutting position wherein a pair of cutting blade (i.e., shears) assemblies cut edge portions from the metal sheet to form a cut wrapper or the like having longitudinal edges. The cutting assemblies are movable in the y-dimension--transverse to the x-direction--and are also angularly movable. From the cutting position the cut wrapper is continuously conveyed to a notching position wherein notching assemblies also movable in the y-dimension may form notches in the longitudinal edges of the cut wrapper. At a further point in the x-direction, an edge deforming position may be provided including edge deforming apparatus that also is movable in the y-dimension. Flexible elongated members or the like support the metal sheet spaced from its conveyor during conveying to prevent damage to the conveyor by the cutting or notching assemblies.
REFERENCES:
patent: 2102170 (1937-12-01), Stern
patent: 2179461 (1939-11-01), Yoder
patent: 2369617 (1945-02-01), Somerville
patent: 2732867 (1956-01-01), May et al.
patent: 3752027 (1973-08-01), Gerber et al.
patent: 3766813 (1973-10-01), Pearl
patent: 3950189 (1976-04-01), Lange
patent: 3982457 (1976-09-01), Berry
Abercrombie Willie G.
Potomac Applied Mechanics, Inc.
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