Heat transfer recording sheet producing apparatus and a roll sha

Details Heat transfer recording sheet producing apparatus and a roll sha Heat transfer recording sheet producing apparatus and a roll sha

1995-06-26

1998-12-22

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

156456, 156458, 156363, 156387, 156250, 156188, 209577, 209518, 2425323, 2425334, 2425337, 34549, 34487, B32B 3100, B65C 904, B07C 500

Patent

active

058513450

ABSTRACT:
A heat transfer recording sheet producing apparatus and a roll shaft supplying apparatus. A web supplying unit supplies a web which is printed with end marks by a gravure printing unit. A drying unit dries the end marks, and then the web is wound onto a roll shaft in a sheet winding unit. The sheet winding unit is provided with roll shafts from the roll shaft supplying apparatus. After winding, a roll form is produced and is discharged to a discharge unit. The roll shaft supplying apparatus has a slit detecting unit to detect the presence or absence of a slit in a roll shaft and to detect the orientation of the roll shaft, and a gripping/turning unit operates on the roll shaft in response to a signal from the slit detecting unit. If a slit is detected and the orientation of the roll shaft is correct, the gripping/turning unit moves the roll shaft to a second discharge unit which supplies the roll shaft to the sheet winding unit. If a slit is detected and the orientation of the roll shaft is opposite the correct orientation, the gripping/turning unit first rotates the roll shaft 180.degree. horizontally before sending the rotated roll shaft to the second discharge unit.

REFERENCES:
patent: 2467555 (1949-04-01), Hornbostel et al.
patent: 4614045 (1986-09-01), Nagasawa et al.
patent: 4692196 (1987-09-01), Ellegood et al.
patent: 4962897 (1990-10-01), Bradley
patent: 4985292 (1991-01-01), Umise et al.
patent: 5109795 (1992-05-01), Umise et al.
patent: 5180607 (1993-01-01), Umise et al.
patent: 5441567 (1995-08-01), Umise et al.
patent: 5589321 (1996-12-01), Matsuda

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