Patent ID: 8869859

Claim:
A dispensing and sealing system, comprising: a. a film-feed assembly comprising a support mechanism for a supply of film and a film-drive mechanism to advance the film along a path; b. a dispenser with an outlet port for dispensing fluid into the film; c. a transverse seal mechanism for forming a seal in the film transversely of the path; and d. a calendering device comprising at least two calender rollers, between which the film is advanced along said path after receiving fluid therein, said calender rollers having relatively non-parallel outer surfaces such that the fluid in the film is dispersed in a predetermined manner upon contact with said non-parallel outer surfaces, wherein, at least one of said calender rollers includes a pair of end sections and a middle section therebetween, said roller being tapered, with a diameter that decreases from the middle section towards the end sections.