Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1986-07-24
1988-08-16
Spruill, Robert L.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72250, 340673, B21B 3700
Patent
active
047635002
ABSTRACT:
A roller track in a flat stock rolling mill facility includes rollers journalled in a frame having tranversely oriented stiffening traverses extending essentially axis parallel to the rollers, a sensing device for ascertaining absence and presence of rolled stock on the roller track, includes at least one open metallic loop mounted on a traverse in-between two rollers of the track, in a plane extending parallel to a plane of transport but below that plane and being electrically insulated from said traverse; an electric circuit is connected to the loop so that different impedance conditions of the loop are indicative of absence and presence of rolling stock in and on the roller track.
REFERENCES:
patent: 2329810 (1943-09-01), Zuschlag
patent: 2513745 (1950-07-01), Reynolds
patent: 3148563 (1964-09-01), Harley et al.
patent: 4536709 (1985-08-01), Ishida
Schoen Martin
Specht Herbert
Wuellenweber Horst
Katz Steven B.
Mannesmann AG
Siegemund Ralf H.
Spruill Robert L.
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