Multi-layered plastic bottle having integrally formed handle and method of making
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United States of America Patent
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Jul 11, 1989
Grant Date -
N/A
app pub date -
Dec 18, 1987
filing date -
Dec 18, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multi-layered, handled plastic bottle that substantially resists the absorption and oxidation of essential oils, flavoring components, and nutritional components, e.g. peel oil, d-limonene, and l-ascorbic acid (Vitamin C), found in various beverages such as fruit juices and particularly citrus juices. In a particularly preferred embodiment, the plastic bottle having an integrally-formed handle is made by blow-molding an extruded parison having an outer polyolefin layer, and intermediate adhesive layer, and an inner product-contacting layer of a polyester material such as polyethylene terephthalate. In another particularly preferred embodiment, the plastic bottle is extrusion blow-molded from a four-layer parison comprised of an outer polyolefin layer, an intermediate adhesive layer, an inner polyester layer, and a scrap or regrind layer comprised of a blend of these three layers recovered from the flash removed from the finished bottle. Also disclosed is a method of and an apparatus for making multi-layered, handled plastic bottles of the present invention.
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