Title: Plug arrangement for a container

Abstract: A two-part plug arrangement for a container includes an outer plug of soft resilient material and a mating inner plug of deformable material. The inner plug is seated within the outer plug, and the mating plugs are together seated within an opening of a wall of the container. Such opening has an annular turned-over wall along its circumference, and the outer plug has an annular flange adapted to engage such turned-over wall. The plugs are retained in place by being distorted radially outwardly whereby the outer plug sealingly engages the container opening and the two plugs are in sealing engagement with one another. One of the two plugs has a blind bottom, and upon the removal of the inner plug, the outer plug assumes its initial relaxed shape for removal thereof and reuse if desired.

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Inventors: Yamazaki, Noboru (Chiba, JA)

Application Number: 658062
Filing Date: 1976-02-13
Publication_date: 1978-05-02
Assignee: Atsugi Kinzoku Kogyo Co., Ltd. (Kyobashi,, JA)
Primary Class(es): 220/257.2 215/362, 215/364, 220/270, 220/309.1
Other Classes:
US Patent Ref:

734545	Jul, 1903	Hall	215/362.
2551937	May, 1951	Gallagher	215/364.
2662656	Dec, 1953	Beaubaire et al.	215/363.
2908418	Oct, 1959	Gallay	220/258.
3021976	Feb, 1962	Tracy	220/307.
3158282	Nov, 1964	Housz	220/257.
3200986	Aug, 1965	LaGrutta	220/307.
3204359	Sep, 1965	Karokawa	215/364.
3207830	Sep, 1965	Aldinston	229/43.
3286875	Nov, 1966	Frankenberg	220/309.
3458080	Jul, 1969	Lauvizio	220/258.
3557988	Jan, 1971	Tribe	220/257.
3561631	Feb, 1971	Hatfield	220/257.
3685679	Aug, 1972	Heffran	220/257.

Other Refs: 685,397

Apr, 1961	IT

Primary Examiner: Price, William
Assistant Examiner: Shoap, Allan N.
Attorney: Watson, Cole, Grindle & Watson