Means for detecting metal objects

Details Means for detecting metal objects Means for detecting metal objects

1978-09-11

1981-05-05

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324262, G01R 3312, G01N 2772

Patent

active

042661935

ABSTRACT:
A device for detecting metallic objects in a container having a substantial quantity of non-metals therein including a frame with metal detecting means mounted on 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 equal to distance "R". A container means of non-metallic material is provided for holding a quantity of non-metal which might contain metallic objects therein. The container has a length less than or equal to L and a diameter less than 2R. Rotating support means for positioning the container in the plane of detection is adapted to rotate the container 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 (1968-02-01), Albrecht
patent: 3893022 (1975-07-01), Kulik et al.

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