Devices relating to rolled product
First Claim
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1. A dimension measuring device comprising:
- a tubular body holding device holding a tubular body;
a light irradiating device irradiating lights, in strip form, to illumination regions which are regions including end portions of the tubular body, and scanning the lights along a direction orthogonal to an axis of the tubular body;
a light receiving device receiving the lights emitted from the light irradiating device; and
a dimension computing device computing a dimension, along an axial direction, of the tubular body from changes in amounts of the lights received by the light receiving device at both end portions of the tubular body.
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Abstract
A code applying device is provided which can efficiently manufacture an information recording paper roll having a code relating to the information recording paper. The code applying device includes a tubular body holding section which holds a tubular body and can rotate around an axis; a code forming section forming a code, which expresses specific information, on an end surface of the tubular body held by the tubular body holding section; and a control section rotating the tubular holding section which is holding the tubular body, and applying the code to the end surface of the tubular body along a peripheral direction.
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Citations
8 Claims
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1. A dimension measuring device comprising:
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a tubular body holding device holding a tubular body; a light irradiating device irradiating lights, in strip form, to illumination regions which are regions including end portions of the tubular body, and scanning the lights along a direction orthogonal to an axis of the tubular body; a light receiving device receiving the lights emitted from the light irradiating device; and a dimension computing device computing a dimension, along an axial direction, of the tubular body from changes in amounts of the lights received by the light receiving device at both end portions of the tubular body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification