Patent ID: 7674042

Claim:
A drink receptacle, especially in the form of a drinking bag, the drink receptacle having a wall composed of a flexible composite material, wherein the composite material is water-impervious, air impervious and substantially impervious to chemical and biological toxins, sufficient to retard their passage, and comprises an outer backing layer and a film-like inner layer, wherein the backing layer is textile-like, wherein the material of the backing layer is oleophobicized and/or hydrophobicized, wherein the inner layer is laminated onto the backing layer coextensively as a continuous all-over lamination and wherein the inner layer is constructed and arranged as a substantially continuous polymer film that is impervious to liquids and to chemical and biological toxins, wherein the drink receptacle has a drinking orifice for removing liquid from the drink receptacle, wherein a resealable conduit removal means for removing liquid from said drink receptacle is connected or connectable to the drink receptacle, and wherein the conduit removal means is press-fitted into the drinking orifice and is additionally sealed off wherein the composite material and the drink receptacle as a whole have a barrier effect against chemical warfare agents, measured according to Method 2.2 of CRDEC-SP-84010, of not more than 4 μg/cm 2 per 24 h.