B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
226/94
B65B 7/28 (2006.01) B65B 53/02 (2006.01) B65B 61/18 (2006.01)
Patent
CA 1069476
Abstract of the Disclosure A method and apparatus for forming a heat-shrinkable secondary closure for a container are disclosed, wherein filled, lidded containers moved by conveyor means are delivered to a secondary closure formation and application station, where a band of heat-shrinkable thermoplastic adhesive tape is wrapped around each container such that the tacky side of the tape faces the container, with tape overlapping the seam formed between the periphery of the lid and the sidewall of the container. The tape band is severed from the tape supply during wrapping, and heater means located adjacent the container shrinks the tape into compressive engagement with the periphery of the lid and the sidewall of the container as the tape is wrapped thereabout. Integral gripping tabs are formed at spaced positions in the tape prior to wrapping of the tape band and shrinking thereof, and once the band is shrunk into tight adhesive engagement with the container, the tab is positioned near an outer overlapping end of the band to provide convenient means for removal of the tape from the container. The end of the tape beyond the gripping tab is adhesively secured to an underlying portion of the band to retain the gripping tab in place.
250210
Clair David L. St.
Mueller Martin
LandOfFree
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