Claims
- 1. An integral container bottom comprising;a central panel; a frusto-conical portion extending from adjacent the circumference of the central panel, the frusto-conical portion angling downwardly and outwardly from the longitudinal central axis 116 of the central panel at an angle of less than about 25° (twenty-five degrees) therefrom; a substantially cylindrical inner leg portion extending from adjacent to the outer edge of the frusto-conical portion; a downwardly inclined generally semi-toroidal nose portion extending from adjacent to the inner leg portion; an outer leg portion having a lower edge and an upper edge, the outer leg portion extending from adjacent to the outside edge of the nose portion; and, a generally cylindrical sidewall portion of the container body extending from adjacent to the upper edge of the outer leg portion.
- 2. A container bottom according to claim 1, wherein;the angle formed between the frusto-conical portion and the vertical central axis of the central panel ranges between about 10° (ten degrees) and about 20° (twenty degrees).
- 3. A container bottom according to claim 1, further comprising;a semi-toroidal inner radius disposed between the central panel and the frusto-conical portion to provide a smooth transition therein.
- 4. A container bottom according to claim 3 wherein;the inner radius ranges from about 0.030 inches to about 0.070 inches (about thirty thousandths of an inch to about seventy thousandths of an inch).
- 5. A container bottom according to claim 1, further comprising;a semi-toroidal outer radius disposed between the frusto-conical portion and the inner leg portion to provide a smooth transition therein.
- 6. A container bottom according to claim 5, wherein;the outer radius ranges from about 0.010 inches to about 0.050 inches (about ten thousandths of an inch to about fifty thousandths of an inch).
- 7. A container bottom according to claim 1, wherein;the angle formed between the inner leg and the longitudinal central axis 116 of the central panel is less than about 3° (three degrees).
CROSS-REFERENCE TO RELATED APPLICATION
Provisional Application Filed: “CONTAINER BOTTOM PROFILE AND METHOD OF MANUFACTURE THEREOF,” Ser. No. 60/150-660, filed Aug. 25, 1999 to which priority is claimed.
US Referenced Citations (13)
Non-Patent Literature Citations (1)
Entry |
CanTech International; Keeping Cans Competitive; Sep./Oct. 1998; Karen E. Kidwell, editor; pp 26-28. |
Provisional Applications (1)
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Number |
Date |
Country |
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60/150660 |
Aug 1999 |
US |