Container apparatus and related methods
View Patent ↗A container includes: a base; one or more sidewalls integrally formed with and extending upwardly from the base, wherein the sidewalls surround an internal cavity and wherein one or more of the sidewalls include a reinforcing web of increased wall thickness; and an upper edge on the sidewalls defining a top opening.
1. A container, comprising:
a base;
one or more sidewalls integrally formed with and extending upwardly from the base, wherein the sidewalls surround an internal cavity and wherein one or more of the sidewalls include a reinforcing web of increased wall thickness, the reinforcing web having an uninterrupted repeating geometric pattern;
one or more corners between adjacent sidewalls, wherein one or more of the corners include a continuation of the reinforcing web present on the one or more sidewalls; and an upper edge on the sidewalls defining a top opening; wherein the reinforcing web includes channels having a tapered cross-section with a maximum thickness near a center of the channel cross section.
2. The container of claim 1 , wherein the reinforcing web includes rows of said channels.
3. The container of claim 2 , wherein the reinforcing web includes columns of said channels.
4. The container of claim 1 , wherein the rows and columns of channels form an upright diamond pattern.
5. The container of claim 1 , wherein the channels have curved surfaces from a cross-sectional perspective.
6. The container of claim 1 , wherein the amount of increased wall thickness of the reinforced web is less than the underlying sidewall thickness.
7. The container of claim 1 , where the reinforcing web extends along substantially the full height of the sidewalls.
8. The container of claim 1 , wherein the base is substantially solid, has a predetermined thickness and includes:
at least one gate site; and
flow leaders connecting between the at least one gate site and the reinforcing web, wherein areas of the base having the flow leaders have a thickness greater than the predetermined thickness.
9. The container of claim 8 , wherein the flow leaders include a web of flow leaders.
10. The container of claim 8 , wherein the thicknesses of the flow leaders are tapered from a cross-sectional perspective.
11. The container of claim 10 , wherein the flow leaders have curved surfaces from a cross-sectional perspective.
12. The container of claim 10 , wherein the amount of increased wall thickness of the flow leaders is less than the underlying predetermined thickness of the base.
13. The container of claim 1 , wherein the sidewalls are bowed away from the internal cavity.
14. The container of claim 1 , wherein curvature of the corners is substantially constant throughout the height of the corners.
15. The container of claim 14 , wherein the corners have a single-concave corner shape, a double-concave corner shape or an angled corner shape.
16. The container of claim 1 , wherein the corner reinforcing web is substantially balanced along the vertical centerline of each corner.
17. The container of claim 1 , wherein the wall thickness of the corners is greater than the wall thickness of the sidewalls.
18. The container of claim 1 , further comprising one or more vertical separating ribs at the corners.
19. The container of claim 1 , further comprising one or more external horizontal ribs affixed to and extending around the sidewalls.
20. The container of claim 1 , further comprising one or more handles and/or attachment points on the sidewalls.
21. The container of claim 20 , where the one or more handles and/or attachment points are integrally formed with one or more external horizontal ribs integrally formed with and extending around the sidewalls.
22. The container of claim 1 , wherein the width of sidewalls near the upper edge are greater than the width of sidewalls farther from the upper edge.
23. The container of claim 1 , wherein the base and sidewalls are formed of plastic.
24. The container of claim 23 , wherein the base and sidewalls are formed of polypropylene.
25. The container of claim 1 in combination with a lid.
26. The combination of the container and lid of claim 25 , wherein the lid includes a reinforcing web having increased wall thickness.
27. The container according to claim 1 , wherein the reinforcing web includes a plurality of diagonal rows of channels and a plurality diagonal columns of channels, wherein said plurality of diagonal rows and diagonal columns cross to form a pattern of four diamond web sections within another diamond web section.
28. A container, comprising:
a plastic base enclosing a bottom of the container, the plastic base including at least one gate site and flow leaders having increase thickness connecting to the at least one gate site; wherein the flow leaders have curved surfaces from a cross-sectional perspective;
plastic sidewalls integrally formed with and extending upwardly from the base, wherein the sidewalls surround an internal cavity and include a reinforcing web having channels of increased thickness, wherein the width of sidewalls near the upper edge are greater than the width of sidewalls farther from the upper edge, wherein the channels connect to the flow leaders, wherein the channels includes rows and columns of channels, wherein the channels have curved surfaces from a cross-sectional perspective, and wherein the sidewalls are bowed away from the internal cavity;
an upper edge on the sidewalls defining a top opening; and
one or more plastic horizontal ribs integrally formed with and extending around the upper portion of the sidewalls.
29. The container of claim 1 , wherein the reinforcing web consists of a plurality of diamond patterns.
30. The container of claim 1 , wherein the reinforcing web forms a repeating diamond pattern without interruption by intersecting horizontal channels.
31. The container of claim 28 , wherein the reinforcing web includes a plurality of diagonal rows of channels and a plurality diagonal columns of channels, wherein said plurality of diagonal rows and diagonal columns cross to form a pattern of four diamond web sections within another diamond web section.
32. The container of claim 28 , wherein the rows and columns of channels form an upright diamond pattern.
33. The container of claim 28 , wherein the amount of increased thickness of the channels and flow leaders is less than a underlying wall thickness of the sidewalls and base, respectively.
34. The container of claim 28 , where the reinforcing web extends along substantially the full height of the sidewalls.
35. The container of claim 28 , wherein the flow leaders include a web of flow leaders.
36. The container of claim 28 , further comprising one or more vertical separating ribs on the reinforcing web.
37. The container of claim 28 , further comprising one or more handles and/or attachment points integrally formed with the one or more horizontal ribs.
38. The container of claim 28 , wherein each flow leader connects to two channels of the reinforcing web.
39. The container of claim 28 , further comprising one or more corners between adjacent sidewalls, wherein curvature of the corners is substantially constant throughout the height of the corners.
40. A method of manufacturing a container, comprising:
forming a substantially solid base;
forming one or more sidewalls integral with the base and extending upwardly from the base, wherein the sidewalls surround an internal cavity and wherein one or more of the sidewalls include a reinforcing web having increased wall thickness, the reinforcing web having an uninterrupted repeating geometric pattern;
forming one or more corners between adjacent sidewalls, wherein one or more of the corners include a continuation of the reinforcing web present on the one or more sidewalls; and forming an upper edge on the sidewall defining a top opening;
wherein the reinforcing web includes channels having a tapered cross-section with a maximum thickness near a center of the channel cross-section.
41. The method of claim 40 , further comprising: providing interior and exterior molds;
introducing molten material into the molds;
solidifying the molten material; and
removing the solidified material from the mold.
42. The method of manufacturing a container of claim 40 , wherein the reinforcing web includes a plurality of diagonal rows of channels and a plurality diagonal columns of channels, wherein said plurality of diagonal rows and diagonal columns cross to form a pattern of four diamond web sections within another diamond web section.
43. A container, comprising:
a plastic base sealing a bottom of the container;
a plurality of plastic sidewalls integrally formed with and extending upwardly from the base, wherein the sidewalls surround an internal cavity except for a top opening; a corner between adjacent sidewalls; and
a reinforcing web having rows and columns of channels of increased wall thickness on an inner surface of the sidewalls and the corner, wherein at least one row channel and at least one column channel extend from a first of the sidewalls across the corner to a second of the sidewalls, wherein the at least one row channel and the at least one column channel intersect at the corner; wherein the channels of the reinforcing web have a tapered cross-section with a maximum thickness near a center of the channel cross section.
44. The container of claim 43 , wherein a width of the at least one row channel and the at least one column channel at the corner is the same as widths of the at least one row channel and the at least one column channel at the first and second sidewalls.
45. The container of claim 43 , wherein a wall thickness of the corner is greater than a wall thicknesses of the first and second sidewalls.
46. The container of claim 45 , wherein the reinforcing web adds the same amount of thickness at the corner and at the first and second sidewalls.
47. The container of claim 43 , wherein the reinforcing web is thicker at the corner than at the first and second sidewalls.
48. The container of claim 43 , wherein the intersection results in horizontal and vertical lines occurring at the intersection.
49. The container of claim 43 , wherein the rows and columns form an upright diamond pattern.
50. The container of claim 43 , wherein the reinforcing web includes a plurality of diagonal rows of channels and a plurality diagonal columns of channels, wherein said plurality of diagonal rows and diagonal columns cross to form a pattern of four diamond web sections within another diamond web section.