Base for hot-fill plastic containers
AssigneeGraham Packaging Company, L.P.
InventorPaul V. Kelley
Life of this patent
Estimating the term…
Abstract
A base structure for a blow-molded container having an annular sidewall and a central longitudinal axis, the base structure comprising: a bottom portion; an annular support heel positioned between the sidewall and the bottom portion, wherein the annular support heel is angled inwardly at an angle θ of from about 15° to about 46° relative a plane extending from the sidewall; and a first rounded edge between the sidewall and the annular support heel and a second rounded edge between the annular support heel and the bottom portion, wherein each of the first and second rounded edge has a radius of curvature of from about 1.0 mm to about 14.0 mm, and wherein the blow-molded container comprises a material selected from the group consisting of polyethylene terephthalate and polypropylene.
Claims24
A base structure for a blow-molded container having an annular sidewall and a central longitudinal axis, the base structure comprising:
- a bottom portion;
- an annular support heel positioned between the sidewall and the bottom portion, wherein the annular support heel is angled inwardly at an angle θ of from about 15° to about 46° relative a plane extending from the sidewall;
- and
- a first rounded edge between the sidewall and the annular support heel and a second rounded edge between the annular support heel and the bottom portion, wherein each of the first and second rounded edge has a radius of curvature of from about 1.0 mm to about 14.0 mm, and
- wherein the blow-molded container comprises a material selected from the group consisting of a polyester resin and polypropylene.
A base structure for a blow-molded container having an annular sidewall and a central longitudinal axis, the base structure comprising:
- a bottom portion;
- an annular support heel positioned between the sidewall and the bottom portion, wherein the annular support heel is angled inwardly at an angle θ of from about 30° to about 35° relative a plane extending from the sidewall;
- and
- a first rounded edge between the sidewall and the annular support heel and a second rounded edge between the annular support heel and the bottom portion, wherein each of the first and second rounded edge has a radius of curvature of from about 2.0 mm to about 4.0 mm, and
- wherein the blow-molded container comprises poly(ethylene)terephthalate (PET).
Dependencies are inferred from the claim text.