Apparatus for molding a plastic seal inside a closure for closin

Details Apparatus for molding a plastic seal inside a closure for closin Apparatus for molding a plastic seal inside a closure for closin

1997-10-22

1999-12-28

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

4251261, 425127, 425809, 264268, A23G 122

Patent

active

060073152

ABSTRACT:
Apparatus for molding a plastic seal inside a closure for closing a container, having a line for transferring the closures through a closure heating station, a station for dispensing and preforming plastic material in the pasty state, suitable to deposit a dose of material inside a respective closure and preform each dose dispensed inside each closure in an annular configuration, and a final forming station, in which the preformed annular dose is molded so as to form the final seal inside the closure.

REFERENCES:
patent: 2772012 (1956-11-01), Crabtree
patent: 3038507 (1962-06-01), Smith
patent: 3135019 (1964-06-01), Aichele
patent: 3360148 (1967-12-01), Owen
patent: 3407442 (1968-10-01), Wright
patent: 3827843 (1974-08-01), Blouch
patent: 4312824 (1982-01-01), Mori et al.
patent: 4412797 (1983-11-01), Murayama
patent: 5123824 (1992-06-01), Alieri

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