CPC B65H 7/14 (2013.01) [B29C 65/02 (2013.01); B29C 65/782 (2013.01); B29C 66/41 (2013.01); G01B 11/14 (2013.01)] | 9 Claims |
1. A sheet space-detecting device that detects a space between a rear end of a preceding first fiber reinforced plastic sheet and a front end of a following second fiber reinforced plastic sheet in a conveyance path for fiber reinforced plastic sheets, the sheet space-detecting device comprising:
a light-detecting sensor that projects detection light on an area including the rear end of the first fiber reinforced plastic sheet, the front end of the second fiber reinforced plastic sheet, and a reference surface exposed from the space and receives reflected light thereof; and
a spacer that supports the rear end of the first fiber reinforced plastic sheet and the front end of the second fiber reinforced plastic sheet in a state where the rear end and the front end are separated from the reference surface, in an area including at least a light-projected area on which the detection light is projected.
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