Document Type and Number:
Japanese Patent JPS4836798
Kind Code:
B1
Abstract:
A plastic bag comprising an inner thermoplastic layer and an outer nonthermoplastic layer is disclosed having at least one connection nipple, which by means of a thermoplastic covering foil is welded to the thermoplastic inner layer of said bag so that a liquidtight connection is obtained.
Application Number:
JP9331469A
Publication Date:
November 07, 1973
Filing Date:
November 20, 1969
Export Citation:
International Classes:
A61J1/00; A61J1/10; A61J1/05; B65D33/36; B65D33/38; A61J1/14; (IPC1-7): B65D47/10