Claims
- 1. A tray, comprising an open-ended cavity with a rib protruding into the cavity, wherein said tray and said rib is constructed of a substantially rigid material.
- 2. The tray of claim 1, wherein the tray comprises of a plurality of open-ended cavities.
- 3. The tray of claim 2, wherein the cavities are of uniform size and shape.
- 4. The tray of claim 2, wherein the cavities are of a shape selected from the group consisting of
a) Polygons with angled sides; b) Ovular; c) Circular; and d) Non-angularly shaped objects.
- 5. The tray of claim 1, comprising a plurality of ribs protruding into the cavity.
- 6. The tray of claim 5, wherein the ribs are of uniform size.
- 7. The tray of claim 5, wherein the ribs are of variable lengths and widths.
- 8. The tray of claim 5, wherein the ribs are evenly spaced.
- 9. The tray of claim 5, wherein the ribs are positioned around the cavity at intervals.
- 10. The tray of claim 5, wherein the ribs are longitudinally positioned along the walls of the cavity, parallel to the walls of the cavity.
- 11. The tray of claim 10, wherein the ribs extend along the entire length of the walls of the cavity.
- 12. The tray of claim 10, wherein the ribs extend partially along the walls of the cavity.
- 13. A tray, comprising:
an open ended cavity including a top section and a bottom section; a first tab created from a wall of the cavity at its bottom section; and a second tab created from a wall of the cavity at its bottom section; wherein said first tab and said second tab are configured to cooperate to form a platform within the interior of the cavity, wherein the platform is perpendicular to the plane of the walls of the cavity.
- 14. The tray of claim 13, wherein the tray consists of a plurality of open-ended cavities.
- 15. The tray of claim 14, wherein the cavities are of uniform size and shape.
- 16. The tray of claim 14, wherein the cavities are of a shape selected from the group consisting of
a) Polygons with angled sides; b) Ovular; c) Circular; and d) Non-angularly shaped objects.
- 17. The tray of claim 13, wherein multiple ribs protrude into the cavity.
- 18. The tray of claim 17, wherein the ribs are of uniform size.
- 19. The tray of claim 17, wherein the ribs are of variable lengths and widths.
- 20. The tray of claim 17, wherein the ribs are evenly spaced.
- 21. The tray of claim 17, wherein the ribs are longitudinally positioned along the walls of the cavity, parallel to the walls of the cavity.
- 22. The tray of claim 21, wherein the ribs extend along the entire length of the walls of the cavity.
- 23. The tray of claim 21, wherein the ribs extend partially along the walls of the cavity.
- 24. A method of forming a tray, comprising the steps of:
pouring plastic material into a hopper; causing an outflow of the plastic material from the hopper into a heated chamber; heating said plastic material until molten; extruding the molten plastic material through a die; and forcing the extruded plastic material through a cooling zone.
RELATED APPLICATIONS
[0001] This application claims the benefit of priority to U.S. Provisional Patent Application serial No. 60/423,910, filed Nov. 5, 2002.
Provisional Applications (1)
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Number |
Date |
Country |
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60423910 |
Nov 2002 |
US |