US 12,466,680 B2
Film roll supply device
Masayuki Yamane, Ritto (JP); Makoto Ichikawa, Ritto (JP); Satoshi Hashimoto, Ritto (JP); Yuchuan Tong, Ritto (JP); and Masaki Shinkawa, Ritto (JP)
Assigned to ISHIDA CO., LTD., Kyoto (JP)
Filed by ISHIDA CO., LTD., Kyoto (JP)
Filed on Jul. 13, 2023, as Appl. No. 18/351,502.
Claims priority of application No. 2022-113758 (JP), filed on Jul. 15, 2022; and application No. 2023-092395 (JP), filed on Jun. 5, 2023.
Prior Publication US 2024/0017948 A1, Jan. 18, 2024
Int. Cl. B65H 19/12 (2006.01); B65B 41/16 (2006.01)
CPC B65H 19/12 (2013.01) [B65B 41/16 (2013.01); B65H 2511/14 (2013.01); B65H 2511/20 (2013.01); B65H 2553/40 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A film roll supply device configured to supply a film roll to a bag making and packaging machine, the film roll supply device comprising:
a holding section that is configured to be located at least temporarily adjacent to a supporting shaft to support the film roll in the bag making and packaging machine, and that is configured to hold a first film roll serving as the film roll supplied to the bag making and packaging machine;
a driving unit configured to move the holding section in an up-down direction; and
a control unit configured to control an action of the driving unit to move the holding section to a position where a height position of a center of the first film roll held by the holding section is aligned with a height of a center of the supporting shaft of the bag making and packaging machine; and
a first measuring unit configured to measure a diameter of the first film roll,
wherein the control unit is configured to control the action of the driving unit based on a measurement result from the first measuring unit to move the holding section to a position where the height position of the center of the first film roll held by the holding section is aligned with the height of the center of the supporting shaft of the bag making and packaging machine.