Metal working – Spiral cutting of flat stock
Patent
1993-12-29
1996-01-02
Vo, Peter
Metal working
Spiral cutting of flat stock
29721, 140 88, B21D 708, B21D 714
Patent
active
054796830
ABSTRACT:
An eyewinder system 10 has stations 100-108 for straightening, bending, measuring and transporting a wire 11 to form an eyewire 109. A controller 120 controls each station. Using information from tension and length measuring stations 104, 105, the controller 120 can accurately operate the second bending station 107. The eyewire 109 is inspected for accurate bends by an inspection system 140 that compares the bends in the eyewire 109 to predetermined radii of curvature.
REFERENCES:
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patent: 4365492 (1982-12-01), Kortan et al.
Communication dated Dec. 3, 1993, from Haug, GMBH & Co. describing an Eye-Winder Machine.
Copy of a brochure of Wafios Maschinenfabrik GMBH & Co describing a Three-Dimension Eye-Rim Bending Machine and includes various dates given the years 1992 and 1993.
"Making Metal Spectacle-Frames" Machinery, vol. 98, No. 2521, Mar. 1961, pp. 553-560.
English Translation of French Patent No. 2 602 160.
English Translation of French Patent No. 2 625 695.
PCT Search Results of PCT/US94/14949.
Byron David L.
Flemmer Rory L. C.
Bausch & Lomb Incorporated
McGuire Katherine
Vo Peter
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