| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an end seal device of a box motion type capable of responding to a higher-speed packaging machine. <P>SOLUTION: The end seal device includes: first and second upper side top sealers 31a, 31b which perform the sealing in the advancing direction lateral direction of a tubular film; and first and second lower side top sealers 32a, 32b which assume a pair to the upper side top sealers. Cam floors are disposed on the tips of first and second support pins 37, 38 integrally attached to left and right both sides of the upper side top sealers, a pair of first and second cam grooves 51, 52 with which the cam floors accord are disposed, cam floors are disposed on the tips of third and fourth support pins integrally attached to left and right both sides of the lower side top sealers and a pair of third and fourth cam grooves 53, 54 with which the pair of cam floors accord are disposed. Both of the respective support pins and cam grooves are shifted forwards and backwards by a prescribed distance along the advancing direction of the tubular film. <P>COPYRIGHT: (C)2012,JPO&INPIT |
