| 摘要 |
PROBLEM TO BE SOLVED: To provide a centering jig which can surely perform the centering of a gripping utensil for bottles, and also, can improve the working property. SOLUTION: A main body 2 has two fitting holes 5 and 5 which are tightly fitted on rotating shafts 101 and 101. On arm sections 3 and 3 which are attached to the main body 2, two contact sections 6 and 6 projecting downward from the external ends are provided. The contact sections 6 and 6 come into contact with the external end surfaces 11a of the gripping utensils 11 and 11 which grip a bottle 20 at a regular location.
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