Patents Assigned to Luxteco International S.A.
  • Patent number: 5893256
    Abstract: A packaging apparatus for making two-lobed tea bags with squeeze feature envisages a consecutive series of stations located along a feed line and used to make a continuous tube of heat-sealable filter paper with a longitudinal center line and including individual pouches containing charges of product; each pouch is delimited by a front and rear area closed off from the other pouches by a crossways seal. At one of the stations, a heat-sealable thread is made to follow a path, forming a coil, on the free surface of the pouches and is sealed to the latter, with the ends of the thread placed on corresponding front areas of each pouch on opposite sides of the center line. The next station cuts the continuous tube and the thread crossways in such a way as to form a tea bag consisting of a pair of pouches. At the last station, the pouches are folded over and sealed to each other at their free ends where a tag used for picking up the tea bag is then applied.
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: April 13, 1999
    Assignee: Luxteco International S.A.
    Inventor: Dante Ghirlandi