A tote (1) used for conveying articles is transparent to x-rays in a conveyor system. At least a lower part (4) of the tote may be manufactured by injection molding rather than rotational molding. A wear-resistant material may also be employed for the lower part (4). The tote (1) may define a closed
A tote (1) used for conveying articles is transparent to x-rays in a conveyor system. At least a lower part (4) of the tote may be manufactured by injection molding rather than rotational molding. A wear-resistant material may also be employed for the lower part (4). The tote (1) may define a closed, hollow body, in which a damping device such as foam rubber, may be provided.
대표청구항▼
The invention claimed is: 1. A tote for a conveyor system, comprising: an upper part; and a lower part; wherein the upper part defines an upper, article-supporting surface of concave cross-section, wherein the article-supporting surface is adapted to receive and support articles while the articles
The invention claimed is: 1. A tote for a conveyor system, comprising: an upper part; and a lower part; wherein the upper part defines an upper, article-supporting surface of concave cross-section, wherein the article-supporting surface is adapted to receive and support articles while the articles are conveyed in or on the tote, wherein the lower part defines a lower, substantially plane bearing surface that extends over an area substantially equal to the article-supporting surface, wherein the upper part and the lower part together form a substantially closed, hollow body, wherein the upper part is transparent to x-rays, wherein the lower part is transparent to x-rays, and wherein an x-ray transparency of the tote perpendicular to the bearing surface is substantially homogeneous throughout substantially all of the tote. 2. The tote of claim 1, wherein the lower part is injection molded from wear-resistant plastics material. 3. The tote of claim 1, wherein the upper part is injection molded from wear-resistant plastics material, and wherein the lower part is injection molded from the wear-resistant plastics material. 4. The tote of claim 1, wherein a total thickness of the material of the upper part of the tote and the material of the lower part of the tote, perpendicular to the bearing surface, is substantially homogeneous throughout substantially all of the tote. 5. The tote of claim 1, further comprising: a damping device; wherein the damping device is disposed in the substantially closed, hollow body. 6. The tote of claim 1, further comprising: outer sides; wherein the outer sides extend between the article-supporting surface and the bearing surface, wherein the outer sides include one or more bumpers, wherein the one or more bumpers are made from material of higher wear-resistance than that of the material of the lower part, wherein the one or more bumpers extend along the outer sides, and wherein the one or more bumpers cover at least part of a circumference of the tote. 7. The tote of claim 2, wherein the wear-resistant plastics material comprises: polycarbonate (PC); and acrylonitrile butadiene styrene (ABS). 8. The tote of claim 1, further comprising: a supporting device; wherein the supporting device supports the upper part, and wherein the supporting device rests on the lower part. 9. The tote of claim 8, wherein the supporting device comprises: a plurality of hollow columns; wherein the columns extend from an upper side of the lower part, leaving openings in the bearing surface, wherein the columns are formed as frustums of a cone, wherein the tote further comprises: openings in a lower surface of the upper part; wherein the openings are complimentary with respect to upper ends of the columns, so that the upper ends engage with the openings. 10. A tote for a conveyor system, comprising: an upper part; and a lower part; wherein the upper part defines an upper, article-supporting surface, wherein the article-supporting surface is adapted to receive and support articles while the articles are conveyed in or on the tote, wherein the lower part defines a lower, substantially plane bearing surface that extends over an area substantially equal to the article-supporting surface, wherein the upper part is transparent to x-rays, wherein the lower part is transparent to x-rays, and wherein an x-ray transparency of the tote perpendicular to the bearing surface is substantially homogeneous throughout substantially all of the tote. 11. The tote of claim 10, wherein the lower part is injection molded from wear-resistant plastics material. 12. The tote of claim 11, wherein the upper part is injection molded from the wear-resistant plastics material. 13. The tote of claim 11, wherein the wear-resistant plastics material comprises: polycarbonate (PC); and acrylonitrile butadiene styrene (ABS). 14. The tote of claim 10, wherein the upper part comprises one or more of acrylonitrile butadiene styrene (ABS), polyamide (PA), polyethylene (PE), and polypropylene (PP). 15. The tote of claim 10, wherein the upper part and the lower part are made from fire-retardant material. 16. The tote of claim 10, wherein a total thickness of the material of the upper part of the tote and the material of the lower part of the tote, perpendicular to the bearing surface, is substantially homogeneous throughout substantially all of the tote. 17. The tote of claim 10, wherein the upper part and the lower part together form a substantially closed, hollow body. 18. The tote of claim 17, further comprising: a damping device; wherein the damping device is disposed in the substantially closed, hollow body. 19. The tote of claim 10, further comprising: outer sides; wherein the outer sides extend between the article-supporting surface and the bearing surface, wherein the outer sides include one or more bumpers, wherein the one or more bumpers are made from material of higher wear-resistance than that of the material of the lower part, wherein the one or more bumpers extend along the outer sides, and wherein the one or more bumpers cover at least part of a circumference of the tote. 20. The tote of claim 10, wherein the article-supporting surface has a concave cross-section. 21. The tote of claim 10, wherein the upper part and the lower part are adapted to be one or more of riveted together, clicked together, welded together, and glued together. 22. The tote of claim 10, further comprising: a compartment for holding a machine-readable identification unit. 23. The tote of claim 22, wherein the compartment is provided in the lower part. 24. The tote of claim 22, wherein the machine-readable identification unit is a radio-frequency identification device (RFID) tag. 25. The tote of claim 10, further comprising: a supporting device; wherein the supporting device supports the upper part, and wherein the supporting device rests on the lower part. 26. The tote of claim 25, wherein the supporting device comprises: a plurality of hollow columns; wherein the columns extend from an upper side of the lower part, leaving openings in the bearing surface, wherein the columns are formed as frustums of a cone, wherein the tote further comprises: openings in a lower surface of the upper part; wherein the openings are complimentary with respect to upper ends of the columns, so that the upper ends engage with the openings. 27. The tote of claim 10, further comprising: a damping device; wherein the damping device is disposed between the upper part and the lower part, and wherein the damping device is made of foam rubber. 28. The tote of claim 10, further comprising: a damping device; wherein the damping device is disposed between the upper part and the lower part, and wherein the damping device is transparent to x-rays. 29. The tote of claim 10, wherein the lower part comprises one or more of acrylonitrile butadiene styrene (ABS), polyamide (PA), polyethylene (PE), and polypropylene (PP).
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