Package making – With cover-adjunct application or formation
Patent
1990-05-09
1991-08-06
Spruill, Robert L.
Package making
With cover-adjunct application or formation
531331, 53562, 156 66, 493213, 493238, B65B 4304, B65B 6116, B31B 184, A41H 3700
Patent
active
050366432
ABSTRACT:
An improved form, fill, seal and separate packaging machine for reclosable containers is accomplished by a plurality of stations disposed along a path of travel of a thermoplastic web including means to attach a pair of mated, resealable closure strips to the base web. The machine is intermittent in its operation, with movement of the web through the machine controlled so that the various steps of applying the closure strips, forming, filling, sealing and separating the reclosable containers are performed during periodic stops of the machine. The machine is further characterized by its use of two pairs of web belts to move the web through the machine. A first pair of web belts initially receive the folded web stock and partially form and completely fill the containers. The second pair of web belts overlap with the downstream end of the first pair of belts, but are disposed lower than the first belts. When the filled partially formed containers pass from the first pair of belts to the second pair of belts, the unsealed free ends are exposed for final sealing and severing.
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Bianca Beth
Package Machinery Company Bodolay/Pratt Division
Spruill Robert L.
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