JP2007522055A5 - - Google Patents

Claims (23)

An apparatus for winding a series of packaging bags, and the spool for winding an adhesive carrier tape of the tape type bag chain for packaging (52,52a, 52b) (12,12a, 12b), the spool (12 , 12a, 12b) comprises a core (121) having a core surface (122) and a wall (123 ′) forming a race (125) around which the winding of the tape (52, 52a, 52b) is wound. A spool,
Core surface (122), characterized in that it comprises a first wound tape (52, 52a, 52 b) resilient means (126) for releasing the pressure in the radial direction that acts on the winding of the spool . It said elastic means (126) comprises a tongue which protrudes at least one resilient (126), the spool of claim 1.   The spool of claim 2, wherein a plurality of equally spaced elastic protruding tongues (126) are provided on the core surface (122). Said at least one tongue (126) is in contact with the basic core surface (122), a spool according to claim 2 or 3. Spool according to claim 2 or 3, wherein the at least one tongue (126) is inclined at an acute angle with respect to a tangent to the spool surface. The spool according to any one of claims 2 to 5, wherein the at least one tongue (126) is molded with the core surface or part thereof.   Spool according to any one of claims 2 to 6, wherein the core surface comprises a cavity (129) at the bottom of the at least one tongue. It said elastic means (126) comprises a continuous liner made of an elastic material, a spool of claim 1. It said resilient material comprises a material selected from the group consisting of rubber and foamed plastic material, a spool of claim 8. A spool assembly (10) for winding at least two adhesive transport tapes (52, 52a, 52b) of a packaging tape-type bag chain in a device for winding a series of packaging bags,
10. A spool assembly comprising at least two spools (12, 12a, 12b) according to any one of claims 1-9.   The assembly further comprises a differential gear unit disposed between the at least two spools, the differential gear unit being configured to be removably connectable to a bag loader shaft in use, thereby The assembly of claim 10, wherein two transport tapes can be wound on the spool with equal tensile force.   The assembly according to claim 11, wherein each spool has a recess on a surface facing the other spool, and the differential gear unit is disposed in the recess.   13. An assembly according to claim 11 or 12, wherein each at least two spools are integrally formed with a bevel gear coaxial with the spool.   14. The assembly of claim 13, wherein the differential gear unit comprises a core and at least one satellite pinion gear attached to the core and arranged to mesh with each bevel gear.   15. The assembly of claim 14, wherein the core of the differential gear unit includes a mating hole for mating with a bag loader shaft. 16. Assembly according to any one of claims 10 to 15, wherein the assembly is housed in a housing and thus provides a cassette (140). A tape-type bag packaging of a series, a series a number of bags, and consists of at least two adhesive carrier tape having a free end, respectively,
The free end of the tape is engaged with the spool of the spool assembly according to any one of claims 10 16, the tape-type bag for packaging a series. At least two carrier tape (52, 52a, 52 b) What apparatus der for winding the packaging bags stacked in a series of imbricated conveyed by the apparatus,
At least two transport tape winding spools (12, 12a, 12b) arranged with the same axial center, and
A differential gear unit disposed between the spools;
With
The differential gear unit, it is configured to be removably coupled to the shaft of the bag loader when in use, whereby two carrier tapes, Ki wound it is out to the spool with equal tension ,
Device, wherein the spool is according to any one of claims 1-9. 19. Apparatus according to claim 18, wherein each spool (12, 12a, 12b) is provided with a recess on the surface facing the other spool and the differential gear unit is arranged in the recess. 20. An apparatus according to claim 18 or 19, wherein each spool (12, 12a, 12b) is integrally formed with a bevel gear coaxial with the spool. It said differential gear unit comprises a core and at least one satellite pinion gear attached and arranged to each bevel gear and engaged with the core, according to claim 20.   The apparatus of claim 21, wherein the core of the differential gear unit comprises a mating hole for mating with a bag loader shaft. The spool and the differential gear unit is accommodated in the cassette, apparatus according to any one of claims 18 22.