Dimensionally stable thermoplastic tubular articles

Receptacles – Container attachment or adjunct – Pressure relief means

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Details

206 4534, 264230, 264532, B65D 2554

Patent

active

046977180

ABSTRACT:
A food container comprising an open-ended cylindrical body which is made of a crystallizable polyethylene terephthalate material, and end closures at each end of the body forming with the body a closed container, the body material being biaxially oriented and the container body having been head-set, while restrained against radial or axial shrinkage, at a temperature between about 180.degree. C. and about 240.degree. C., whereby the container is able to withstand hot-filling, pasteurization or sterilization temperatures of up to about 120.degree. C. without undergoing shrinkage of its linear dimensions by more than 3%.

REFERENCES:
patent: 2974825 (1961-03-01), Ross

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