Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1994-09-02
1995-12-05
Coan, James F.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53440, 53561, B65B 4300, B65B 6124
Patent
active
054718210
ABSTRACT:
An apparatus and method for filling liquid-phased extruded containers comprises injecting the extruded material into a die head forming a tubular shape. The die head is hollow, or bored, from its back end to its front where the extruded material egresses to form the extrudate (pre-container) tube shape. A means for introducing a separable insert through the die head bore permits the insert to be encased within the tube while the thermoplastic material is still in its liquid or molten phase. Pinch rollers seal the tube at ends opposite that of the insert while avoiding the insert, while the line of sealed containers is pulled by gear rollers through a water cooling bath. A die punch stamp cuts the pinched, or sealed, sections of the containers separating them into individual, filled, singular units.
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patent: 2896250 (1959-07-01), Craig
patent: 3336425 (1967-08-01), Valyi
patent: 3357046 (1967-12-01), Pechthold
patent: 3827214 (1974-08-01), Naumann
patent: 4342184 (1982-08-01), Van Eck et al.
patent: 4620410 (1986-11-01), Chiodo et al.
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