Retortable plastic containers

Details Retortable plastic containers Retortable plastic containers

1991-06-13

1992-06-23

Weaver, Sue A.

Bottles and jars

Multilayer barrier structure

Coating or lamination

215 1C, 215100A, 220669, 220672, 220675, 426112, 426115, B65D 140, B65D 2308

Patent

active

051235544

ABSTRACT:
A multi-layer co-extrusion blow molded plastic container adapted to be filled with a heat-sensitive nutrient and then retorted at relatively high temperatures to sterilize the contents thereof, the contents being agitated by rotating the container while it is being retorted and certain of the side walls being ribbed to both increase the surface area of the container and thus the heat transfer properties thereof and to aid in agitation of the contents whereby to minimize the time period the heat-sensitive contents must be exposed to such high temperatures for sterilization thereof, and the method of providing such a sterile container of heat-sensitive nutrient.

REFERENCES:
patent: 3158283 (1964-11-01), Rinfret et al.
patent: 3286902 (1966-11-01), Hunter et al.
patent: 3297194 (1967-01-01), Schaper et al.
patent: 3448775 (1969-06-01), Limbach et al.
patent: 3537498 (1970-11-01), Amand
patent: 3926341 (1975-12-01), Lhoest
patent: 4013187 (1977-03-01), Betka
patent: 4550043 (1985-10-01), Beck
patent: 4579170 (1986-04-01), Moses et al.
patent: 4610366 (1986-09-01), Estes et al.
patent: 4733804 (1988-03-01), Slat et al.

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