Patent ID: 8650837
Filing Date: 2014-02-18
Classification: B65B

Abstract:
1. A product roll packaging apparatus for packaging a product roll, which comprises a core and a roll of recording paper wound around the core, with a protective sheet wrapped around the product roll, and having an end attached onto the protective sheet with an adhesive tape, comprising: a buffer conveyor assembly for keeping a product roll waiting to be wrapped; a transfer unit for lifting and transferring the product roll from the buffer conveyor assembly; a wrapping unit for wrapping a protective sheet around the product roll and attaching an end of the protective sheet with the adhesive tape; a protective sheet supply unit for cutting off the protective sheet from a sheet roll and supplying the protective sheet along a protective sheet path line to the wrapping unit; and a tape supply unit for supplying the adhesive tape to the end of the protective sheet that has been cut by the protective sheet supply unit; wherein the transfer unit includes a position correcting mechanism for establishing a reference line depending on a size of the product roll, and for bringing a reference end face of the product roll, which has been lifted by the transfer unit, into alignment with a vertical plane including the reference line; and the protective sheet supply unit includes an edge position control mechanism for bringing a reference edge of the protective sheet into alignment with the reference line established by the position correcting mechanism.