Visual inspection system of moving strip edges using cameras and a computer
First Claim
1. A visualization system for razor blade manufacturing comprisingan inspector that detects defects in the edge of a moving strip of razor blade material moving along a path, said inspector being located at a first, upstream position along said path, said inspector generating a defect signal when a defect is detected, said inspector including at least one beam directed perpendicular to the direction of movement of the strip of razor blade material,a camera for imaging an edge of said moving strip of razor blade material, said camera being independent of said inspector,said camera being located downstream of said inspector at a second, downstream position along said path along said moving strip, said camera being controlled to only take pictures of particular portions of said strip, said particular portions being fewer than all portions of said strip, said camera being responsive to said defect signal to take a picture of said strip at a predetermined time subsequent to said defect signal such that a picture is taken of said defect that had been detected at said inspector at the time that said defect passes said camera at said second, downstream position,a monitor, coupled to the camera, for displaying images of said defects captured by the camera, anda storage system, coupled to the camera and the monitor, for storing images of said defects captured by the camera, the monitor being capable of displaying the stored images of said defects.
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Accused Products
Abstract
A continuous edge of a strip of material is processed as it moves in a direction along the length of the strip. The condition of the continuous edge of the moving strip is inspected after it has been processed. The strip is cut into pieces. And the pieces are sorted into groups in response to the condition of the edge. The edge is continuously monitored by a pair of parallel, closely spaced laser beams. A visualization system includes a camera, a monitor, and a storage systems. The camera images an edge of the moving strip of material. The monitor, coupled to the camera, displays images captured by the camera. The storage system, coupled to the camera and the monitor, stores images captured by the camera. The monitor is capable of displaying the stored images.
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Citations
8 Claims
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1. A visualization system for razor blade manufacturing comprising
an inspector that detects defects in the edge of a moving strip of razor blade material moving along a path, said inspector being located at a first, upstream position along said path, said inspector generating a defect signal when a defect is detected, said inspector including at least one beam directed perpendicular to the direction of movement of the strip of razor blade material, a camera for imaging an edge of said moving strip of razor blade material, said camera being independent of said inspector, said camera being located downstream of said inspector at a second, downstream position along said path along said moving strip, said camera being controlled to only take pictures of particular portions of said strip, said particular portions being fewer than all portions of said strip, said camera being responsive to said defect signal to take a picture of said strip at a predetermined time subsequent to said defect signal such that a picture is taken of said defect that had been detected at said inspector at the time that said defect passes said camera at said second, downstream position, a monitor, coupled to the camera, for displaying images of said defects captured by the camera, and a storage system, coupled to the camera and the monitor, for storing images of said defects captured by the camera, the monitor being capable of displaying the stored images of said defects.
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7. A visualization system for razor blade manufacturing comprising
an inspector that detects defects in the edge of a moving strip of razor blade material and generates a defect signal when a defect is detected, a camera for imaging an edge of said moving strip of razor blade material, said camera being located downstream of said inspector along said moving strip and responsive to said defect signal to take a picture of said strip at a predetermined time such that a picture is taken of said defect, a monitor, coupled to the camera, for displaying images captured by the camera, and a storage system, coupled to the camera and the monitor, for storing images captured by the camera, the monitor being capable of displaying the stored images wherein said inspector includes a pair of parallel, closely spaced laser beams, wherein the parallel laser beams include a first laser system including a first projector for projecting a first laser beam at the edge in a direction perpendicular to the direction of movement of the strip and perpendicular to the edge and a first profile detector for detecting a portion of the first laser beam passing over the edge and for generating a first signal representing the detected portion of the first laser beam; - and
a second laser system, in close proximity to the first laser system, including a second projector, for projecting a second laser beam at the edge in a direction perpendicular to the direction of movement of the strip and perpendicular to the cutting edge and a second profile detector for detecting a portion of the second laser beam passing over the edge and for generating a second signal representing the detected portion of the second laser beam. - View Dependent Claims (8)
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Specification