Patent ID: 7172084

Claim:
A single use feed bottle made of plastic materials, the bottle including a body for holding a quantity of milk or other liquid, the body having a mouth, which is sealable in a fluid tight manner by means of a screw-threaded closure, a stiffening ring intergral with the body for providing resistance ot inwards deformation of the mouth of the body, the closure and the body having on their inner and outer surfaces respectively mutually cooperating formations to cause the closure to be irremovable from the body after the closure has reached a limit position on the body, in which it forms a fluid-tight fit with the body, wherein a teat and the closure form an integral unit, and a stiffening ring integral with the body for providing resistance to inwards deformation of the mouth of the body, and in which the closure and teat are made of dissimilar plastic materials by a two-stage aseptic process, in one stage of which, one component is formed, and in the other stage of which, the other component is formed in such a way that it becomes bonded to the said one component.