| 摘要 |
A bottle is made by blow moulding plastics material to form a body portion (2, fig.1), filling the body with liquid and fusing a neck 16 and cap 42 assembly to a flange 12 at the mouth (4, fig. 1) of the body portion. The neck 16 may have a base 20 which has a section 26 separated from the remainder of the base 20 by frangible portions 28. Preferably, the neck 16 and cap 42 are both made by injection moulding, thus having similar tolerances and providing a good fit with each other. When bottling fluid using such bottles, the bodies are blow moulded and then preferably passed directly to a filling station for filling before the neck and cap assembly are fused to the body by means of a layer of heat sealable foil 40 positioned between the neck and body. The foil provides a tamper evident closure for the bottle, and may be sterilised before application to prolong the shelf-life of the packaged fluid, e.g. milk. The bodies are preferably blow moulded using a rotary machine having a series of moulds adapted to pass beneath a single die-head for the supply of plastics material which is blow moulded to form the body. |
