Method for detecting metal objects in a non-metal container by r

Details Method for detecting metal objects in a non-metal container by r Method for detecting metal objects in a non-metal container by r

1981-02-11

1983-11-01

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324262, G01R 3312, G01N 2772

Patent

active

044132328

ABSTRACT:
A device for detecting metallic objects in a container having a substantial quantity of non-metals therein including a frame having a verticle portion with respect to the ground. Metal detecting means are mounted on the verticle portion of the frame such that the metal detecting means defines a plane of detection. This plane of detection has a length defined as "L" which is substantially equal to the length of the detecting means, and the plane has a width extending parallel to the ground and away from the detector equal to distance "R". A container means of non-metallic material may be provided for holding a quantity of non-metal which might contain metallic objects therein. The container has an effective or operative length less than or equal to L and a diameter less than 2R. Container means may be provided to rotate the container means about an axis of rotation parallel to length L and less than distance R from said detecting means. Alarm means for signalling the presence of a metallic object passing through the plane of detection during rotation of the support means is also provided.

REFERENCES:
patent: 3361962 (1968-01-01), Albrecht
patent: 3893222 (1975-07-01), Kulik et al.
patent: 3996512 (1976-12-01), Guichard
patent: 4266193 (1981-05-01), Most et al.

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