Duplex container involving bag equipped with conduit pipe

Abstract

PURPOSE: To materialize a convenient and easy-to-use container from which a fluid substance is taken out in small quantities by attaching a conduit pipe which is connected to a mouth part of a lid and an inner bag which wraps the conduit pipe in an elastic outer container which is equipped with a check valve. CONSTITUTION: For a duplex container which involves a bag equipped with a conduit pipe, in an elastic outer container 1 equipped with a check valve 3, a conduit pipe 4 which is connected with a mouth part 81 of a lid 8, and an inner bag 2 which wraps the said conduit pipe 4 are attached. The inner bag 2, of which the material is a synthetic resin, and of which the bottom part has a V-shape, wraps the conduit pipe 4, and the mouth part is attached to the upper part of the conduit pipe 4 or the mouth part of the outer container 1. The attaching method is to screw the mouth part of the inner bag 2 in the upper part of the conduit pipe 4, or to press-fit the mouth part which is fitted on a ring-shaped protuberance. For the conduit pipe 4, a vent hole is provided on the upper part. In the case of the outer container 1 equipped with a pump P, the conduit pipe 4 which is connected to the mouth part 81 and a bellows which wraps the said conduit pipe 4 are attached in the outer container 1. In the case of an outer container 12 which is made of a paper pack equipped with a vent hole 32, a bag 2 with a strow-shaped mouth part 82 equipped with a notch C is placed in the outer container 12, and the straw-shaped mouth part 82 is projected to the outside of the outer container 12. COPYRIGHT: (C)1992,JPO&Japio

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Cited By (3)

    Publication numberPublication dateAssigneeTitle
    JP-2007137494-AJune 07, 2007Asahi Breweries Ltd, アサヒビール株式会社Spouting device
    JP-H0625168-UApril 05, 1994ザ、プロクター、エンド、ギャンブル、カンパニー積層型容器
    WO-2011058739-A1May 19, 2011花王株式会社Applicateur et dispositif permettant de teindre partiellement les cheveux