Bottles and jars – Sidewall structure – Contoured sidewall
Reexamination Certificate
1999-06-07
2001-04-10
Shoap, Allan N. (Department: 3727)
Bottles and jars
Sidewall structure
Contoured sidewall
C215S384000, C220S671000
Reexamination Certificate
active
06213326
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a blow-molded plastic container specifically designed to enable gripping, lifting and pouring of the container contents in a facile manner, and more particularly, the present invention relates to a container having an inwardly extending waist which is located between a body portion and a dome portion of the container and which provides surfaces permitting grasping of the container.
BACKGROUND OF THE INVENTION
Blow-molded plastic containers have become commonplace in packaging beverages, such as juice, and other liquid products. Such a container normally has a dome extending from a finish, an annular sidewall extending from a base, and a waist connecting the dome to the sidewall. Typically, the containers have a horizontal cross section which is circular, rectangular or multi-faceted.
Various means permitting grasping, lifting and pouring of containers are known in the art. For example, containers have been provided with integrally formed, or separately attached, handles extending from the sidewall, dome or finish of the containers. Containers have also been provided with indented grip panels located in the body portions of container sidewalls.
Although various known blow-molded plastic containers having handles or grip panels may function satisfactorily for their intended purposes, there is a need for a blow-molded plastic container having an improved construction which enables gripping, lifting and pouring of the container contents in a facile manner. The container should be capable of resisting distortion due to hot-filling and compressive distortions due to top loading. A container having the improved construction should also be capable of being made from a minimum of plastic to afford efficient manufacture.
OBJECTS OF THE INVENTION
With the foregoing in mind, a primary object of the present invention is to provide a novel grippable blow-molded plastic container.
Another object of the present invention is to provide a grippable container which can be readily lifted and its contents poured in a balanced, facile manner.
A further object of the present invention is to provide a grippable container structure which is readily blow molded and which provides sufficient top loading capabilities to withstand the rigors of shipping and storage while resisting distortion due to hot-fill processing.
A still further object of the present invention is to provide a container having a grip structure which also provides circumferential hoop strength to resist dome/sidewall ovalization.
A still further object is to provide a grippable, blow molded plastic container which is inexpensive to manufacture, structurally sound, and aesthetically appealing.
SUMMARY OF THE INVENTION
More specifically, the present invention provides a grippable, blow-molded plastic container from which contents can be poured in a balanced manner. The container has a body portion and a dome portion each having predetermined volumes. The body portion volume is in a range of about 60% to about 70% of the overall volume of the container, and the dome portion volume is in a range of about 30% to about 40% of the overall volume of the container. A grip ring having a peripheral grip surface is located between and connects the dome portion and the body portion. The peripheral grip surface is provided by an inwardly and upwardly radially extending lower grip surface portion adjacent the body portion of the container and an inwardly and downwardly extending upper grip surface portion adjacent the dome portion of the container. The grip ring is located and sized relative to the body portion and dome as to enable gripping, lifting and pouring of the container contents in a facile manner.
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Denner John E.
Ogg Richard K.
Yourist Sheldon E.
Graham Packaging Company L.P.
Howson and Howson
Mai Tri M.
Shoap Allan N.
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