Patents by Inventor Seiichi Imai

Seiichi Imai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vertical bag-making/filling machine and method for producing content-filled film packaging bag
    Patent number: 11260997
    Abstract: A vertical bag-making/filling machine (1) comprises: a film-feeding unit (8) which intermittently feeds a film (F) formed into a tubular shape downward; a nozzle (10) supplying contents (X) into the film; a sealing-off unit (17) arranged below a lower end of the nozzle and forming a bag body (Fg) by heat-sealing the film in a transverse direction; a lower shaping unit (30) regulating swelling of the film on the lower side of the sealing-off unit; an upper shaping unit (40) regulating the swelling of the film on the upper side of the sealing-off unit; and a separating unit (25) for separating the bag body (G) fully filled with the contents by cutting the transverse seal (Y1, Y2) formed by the sealing-off unit.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: March 1, 2022
    Assignee: ORIHIRO ENGINEERING CO., LTD.
    Inventors: Masataka Tsuruta, Seiichi Imai
  • VERTICAL BAG-MAKING/FILLING MACHINE AND METHOD FOR PRODUCING CONTENT-FILLED FILM PACKAGING BAG
    Publication number: 20200017245
    Abstract: A vertical bag-making/filling machine (1) comprises: a film-feeding unit (8) which intermittently feeds a film (F) formed into a tubular shape downward; a nozzle (10) supplying contents (X) into the film; a sealing-off unit (17) arranged below a lower end of the nozzle and forming a bag body (Fg) by heat-sealing the film in a transverse direction; a lower shaping unit (30) regulating swelling of the film on the lower side of the sealing-off unit; an upper shaping unit (40) regulating the swelling of the film on the upper side of the sealing-off unit; and a separating unit (25) for separating the bag body (G) fully filled with the contents by cutting the transverse seal (Y1, Y2) formed by the sealing-off unit.
    Type: Application
    Filed: October 3, 2016
    Publication date: January 16, 2020
    Applicant: ORIHIRO ENGINEERING CO., LTD.
    Inventors: Masataka Tsuruta, Seiichi Imai