(19)
(11) EP 0 139 077 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.06.1985 Bulletin 1985/24

(43) Date of publication A2:
02.05.1985 Bulletin 1985/18

(21) Application number: 84104567

(22) Date of filing: 24.04.1984
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 21.10.1983 US 544311

(71) Applicant: DART INDUSTRIES INC.
 ()

(72) Inventor:
  • Zieff, Mark P.
     ()

   


(54) A closable container


(57) @ A closable container, comprising a container, having a throat opening, and a closure member comprising an elastically distortable seal member having a peripheral bead portion that is selectively contractible from a first bead diameter to a second, smaller bead diameter, said bead portion being releasably, sealingly engageable with the inner surface of the throat opening, said throat opening defining a first wall portion having a diameter greater than said first bead diameter, a second wall portion that is formed below and adjacent said first wall portion and has a diameter less than said first bead diameter and at least equal to said second bead diameter, a first annular ledge extending inwardly and disposed between said first wall portion and said second wall portion, and a second annular ledge extending inwardly below said second wall portion.







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