Title: Valvular liquid dispensing closure

Abstract: For the closure of bottles and similar containers for liquid substances, it is foreseen an improved dispensing closure with valve means and safety means constituted of an axially gravity actuated sliding plugger working into a sleeve mounted on the bottle neck, the plugger having a downward opening to fit the stem of an ogive head shaped safety clogging means, whose seat is obtained from the converging walls of an inner section of said sleeve, projecting into the bottle mouth, the whole valve assembly being protected by a pressure cap fitting over the said sleeve.

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Inventors: Mantchev, Marco Ivanov (Sao Paulo, BR)

Application Number: 407069
Filing Date: 1973-10-17
Publication_date: 1976-03-23
Assignee:
Primary Class(es): 222/525 222/147, 222/500, 222/541.6
Other Classes:
US Patent Ref:

623010	Apr, 1899	Greenhow	215/21.
1072606	Sep, 1913	Griswold	222/500.
2256722	Sep, 1941	Martin	222/500.
2765960	Oct, 1956	Soffer et al.	222/182.
3107829	Oct, 1963	Makowski	222/525.
3262613	Jul, 1966	Miller	222/522.
3369712	Feb, 1968	Osrow	222/182.

Other Refs:
Primary Examiner: Hoffman, Drayton E.
Assistant Examiner: Martin, Larry H.
Attorney: Striker; Michael J.