Conveyors: power-driven – With means to facilitate working – treating – or inspecting...
Patent
1977-03-11
1979-05-22
Love, John J.
Conveyors: power-driven
With means to facilitate working, treating, or inspecting...
198484, 198689, 271195, 414121, 14744, B65G 4752
Patent
active
041554396
ABSTRACT:
A system for assembling flexible end closures for containers, the closure itself including a peelable sealing membrane, with a folded pull tab, and a plastic overcap separably combined as a single unit for application to the container. Apparatus cuts the individual sealing membranes from a continuous web for deposit thereof on individual holders which vacuum retain the membranes during movement through stations which fold an integral pull tab in overlying relation to each membrane for subsequent reception within an associated overcap applied to the holder along the path of movement thereof, the combined membrane and overcap ultimately being discharged for later application to a container as a closure therefor. A central manifold controls air flow to and away from the individual holders so as to selectively retain and discharge the closure forming membrane and overcap components.
REFERENCES:
patent: 631856 (1899-08-01), Marsh
patent: 3116919 (1964-01-01), Alth
patent: 3220723 (1965-11-01), Rabinow
patent: 3485357 (1969-12-01), Payne
patent: 3683730 (1972-08-01), Driessen
patent: 3766851 (1973-10-01), Sirvet et al.
Fletcher Wade D.
Rowe E. Riley
Love John J.
Sonoco Products & Company
Watts Douglas D.
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