Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1982-03-22
1984-03-13
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156159, B65H 6902
Patent
active
044365675
ABSTRACT:
A method and apparatus for joining webs of aseptic pouches such that the internal asepsis of the pouches is preserved includes bringing the ends of the webs to be joined into overlapping relationship to form an overlapping area, applying a double-sided microbicidal adhesive tape between the overlapping ends so that the ends are held in overlapping relationship, applying heat to the overlapping area sufficient to form a peel seal between the opposing walls of the webs in the overlapping area, making a transverse fusion-like incision within the peel seal in the overlapping area, applying a microbicidal adhesive tape to outside surfaces of the webs in the overlapping area to microbicidally seal the fusion-like incision, and separating the walls of the webs thereby forming a continuous and sterile passageway between the pouches through the incision. The apparatus includes a bag supporting assembly including a splicing frame having flanges with clamps for supporting the bags in a fixed overlapping relationship across the flanges, a peel seal tool for making a peel seal between the walls of the bags, and a cutter device for making a fusion-like incision in the bags. The assembly also includes a tool support which may provide a work surface or slidably receive the peel seal tool or cutter devices so that the peel sealing and cutting portions are maintained at elevations coplanar with the bags supported on the splicing frame.
REFERENCES:
patent: 2974717 (1961-03-01), Lindsay
patent: 4021283 (1977-05-01), Weikert
patent: 4171604 (1979-10-01), Weikert
patent: 4265279 (1981-05-01), Weikert
patent: 4369779 (1983-01-01), Spencer
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