Bottles and jars – Ejecting
Patent
1985-09-19
1986-10-21
Norton, Donald F.
Bottles and jars
Ejecting
222209, B65D 3916
Patent
active
046180656
ABSTRACT:
A new two part closure for a sanitary wash bottle assembly comprising an inner multiple lobed elastomer plug and a sealing stopper. A dispensing tube passes through the inner plug and a bulb is positioned next to the neck of the flask of the wash bottle. The sealing stopper is formed with a downwardly extending skirt which encompasses the top rim of the wash bottle and an inner lip-matching groove to engage the wash bottle rim at the lip edge. The inner plug member is formed with uniformly spaced apart lobes at the bottom of the plug and with a central axial bore having narrowed portions at the top and bottom of the bore to facilitate pushing in the dispensing tube. The plug is molded by a transfer molding operation and is formed of a yieldable elastomer having a Durometer (Shore A). The multi-lobe construction of the plug provides a yieldable easily manipulated plug mass which can be easily inserted within the outer skirt and cap member of the double stopper assembly. In one preferred embodiment there are five lobes at the base with a 72.degree. separation while in another preferred embodiment there are 6 lobes with a 60.degree. separation.
REFERENCES:
patent: 1328866 (1920-01-01), Yeatter
patent: 2687227 (1954-08-01), Guth
patent: 3578195 (1971-05-01), Ogle
patent: 4383622 (1983-05-01), Guth
Norton Donald F.
Saffitz A. A.
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