US 7,500,337 B2
Medicine packaging device
Shoji Yuyama, Toyonaka (Japan); Toru Tanaka, Toyonaka (Japan); Toshihiro Amatsu, Minoo (Japan); and Satoshi Asada, Toyonaka (Japan)
Assigned to Yuyama Mfg. Co., Ltd., Osaka (Japan)
Appl. No. 10/551,128
PCT Filed Mar. 26, 2004, PCT No. PCT/JP2004/004250
§ 371(c)(1), (2), (4) Date Sep. 29, 2005,
PCT Pub. No. WO2004/089758, PCT Pub. Date Oct. 21, 2004.
Claims priority of application No. 2003-099549 (JP), filed on Apr. 02, 2003; and application No. 2003-336456 (JP), filed on Sep. 26, 2003.
Prior Publication US 2006/0254210 A1, Nov. 16, 2006
Int. Cl. B65B 61/26 (2006.01)
U.S. Cl. 53—131.2  [53/411] 7 Claims
OG exemplary drawing
 
1. A medicine packing apparatus in which a packing sheet is printed with predetermined information by printing means, medicine is fed into the packing sheet by medicine feed means, and the packing sheet is sealed by seal means so as to pack the medicine in single packages, wherein:
the seal means is provided with a conveyance portion for conveying the packing sheet;
in the middle of a conveyance path from the print means to the seal means, there are provided moving means which comes into contact with the packing sheet and descends and ascends along a linear path so that the tension of the packing sheet is held at a constant value, and
position detecting means which detects a descending position of the moving means;
wherein the moving means comprises a roller, which is rotatable and movable, and urging means for urging the packing sheet with a constant force to eliminate slack in the packing sheet, and
wherein the printing means is operable in response to a detection of the descending position by the position detecting means during conveyance of the packing sheet by the conveyance portion.