Metal deforming – By deflecting successively-presented portions of work during... – With cutting of work or product
Reexamination Certificate
2005-08-10
2008-11-04
Crane, Daniel C (Department: 3725)
Metal deforming
By deflecting successively-presented portions of work during...
With cutting of work or product
C029S897200, C228S158000, C228S170000, C072S177000
Reexamination Certificate
active
07444848
ABSTRACT:
Process for manufacture of self reinforced sheets or shape parts (9) by rolling at least one metal strip (1, 2), which during roller processing is guided through a gap formed between work rollers, wherein at least in one area of the metal sheet (2) through holes (7) are introduced and the area of the metal sheet with through holes (4, 6) is brought together with an area of the same metal sheet without through holes (5) or at least one further metal sheet without through holes (1) and rolled, so that a new metal strip (1, 2), sheet or shaped part (9) is formed, as well as a sheet or shaped part obtainable by this process, wherein the sheet or shape part is comprised of two metal parts (4, 6) joined by welding or adhering, wherein at least one metal part is provided with perforations (7), which correspond to the recesses of the self reinforced structure.
REFERENCES:
patent: 1295769 (1919-02-01), Kux
patent: 1793352 (1931-02-01), Bell
patent: 3135311 (1964-06-01), Green
patent: 3362056 (1968-01-01), Preller et al.
patent: 3393547 (1968-07-01), Kortan
patent: 3470598 (1969-10-01), Berthelsen
patent: 4011704 (1977-03-01), O'Konski
patent: 5395036 (1995-03-01), Sturrus
Crane Daniel C
Daimler AG
Patent Central LLC
Pendorf Stephan A.
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