Fluent material handling – with receiver or receiver coacting mea – Filling or refilling of dispensers – Coating-implement-type receiver
Patent
1994-12-23
1996-11-12
Jacyna, J. Casimer
Fluent material handling, with receiver or receiver coacting mea
Filling or refilling of dispensers
Coating-implement-type receiver
141 3, 141 82, B65D 8300
Patent
active
055730434
ABSTRACT:
A closure cup for interfused connection with a pressure dispenser. The pressure dispenser is of the type having an essentially rigid and pressure-resistant outer container made of a fusible and preferably thermoplastic synthetic organic polymer composition, such as a polyester or polycarbonate. The closure cup is made of a synthetic organic polymer composition capable of interfusion with the polymer composition of the outer container and is adapted for receiving and holding a valve assembly made up of a valve housing and a displaceable valve outlet. The closure cup is closed after pressurization of the complete dispenser structure. Such closure is capable of interfusion with the material of the closure cup so as to form a sealing closure by interfusion having substantially the same physical and chemical characteristics, notably resistance against aging and migration of the pressurizing medium, as the closure cup. This is in marked contrast with prior art closing valves or plugs made of rubber or other elastomeric materials.
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Jacyna J. Casimer
Stoffel Seals Corporation
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