Dispensing – Outlet element operated by pressure of contents – Spring form – resilient or compressible flow controller or...
Patent
1990-08-21
1992-04-21
Shaver, Kevin P.
Dispensing
Outlet element operated by pressure of contents
Spring form, resilient or compressible flow controller or...
222571, 222574, 222575, 239570, 239DIG12, B65D 2540
Patent
active
051059975
ABSTRACT:
A filling nozzle includes a vertical tubular nozzle body for receiving the liquid to be filled and supplied thereto forcibly and intermittently, and a rubber tube connected to the lower end of the nozzle body and having an opening at its lower end. The rubber tube is folded at required portions to constrict the opening. The opening is held closed by the elasticity of the rubber tube against gravity acting on the liquid within the nozzle body when the supply of the liquid is discontinued but is opened by the pressure of the liquid when the liquid is supplied to the nozzle body. The nozzle body is provided at its lower end with a tube holding portion having the rubber tube fitted thereover for holding the rubber tube in shape. The tube holding portion is externally in conformity with the inner surface of the rubber tube except at the folded portions.
REFERENCES:
patent: 3254869 (1966-06-01), Easey
patent: 4109836 (1978-08-01), Falarde
patent: 4877160 (1989-10-01), Derving
Fujikawa Yasuji
Saijo Yoshihiro
Wakabayashi Shigeru
Yamane Yoshitaka
Kaufman Joseph A.
Shaver Kevin P.
Shikokukakoki Co., Ltd.
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