| 摘要 |
PROBLEM TO BE SOLVED: To provide a gripper pair gripping a bottle can, a gripper pair gripping both a bottle can and a PET bottle having the same bore as the bottle can to transfer the can and bottle in changing a grip, and a carbonated drink filler which enables maintenance of a gripping force against a pushing force applied to the mouth of the bottle when the bottle is gripped. SOLUTION: The gripper pair consists of: a gripper which grips and holds the lower part of a constricted portion under a male screw portion of the bottle can; and a gripper which grips and holds the upper part of the constricted portion. On a liquid filling line, where the bottle can is cleaned or filled with a liquid, each transfer rotor is provided with these gripper pairs arranged alternately, and the grippers alternately grip the upper part and lower part of the constricted portion under the male screw portion of the bottle cans, which are transferred at equal pitches on a given place on the circumference of the rotor, to enable neck transfer. The carbonated drink filler is provided with a restraining means which restrains a grip arm from opening and losing a grip on the bottle due to pressure from the filling valve side when a filing valve approaches to the bottle can or PET bottle. COPYRIGHT: (C)2007,JPO&INPIT
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