| 主权项 |
1. A rodent containment cage comprising a base and a cover, wherein:
the cover and base are constructed from a polymer; the base or cover, or base and cover, are disposable; the base comprises walls and a bottom, which walls comprise a thickness of about 0.01 to about 0.08 inches; are flexible and are coextensive with the bottom; the base or cover, or base and cover, comprise a plurality of corners, or edges or corners and edges in the interior of the cage accessible to a rodent that can be contained in the cage, defined by surfaces having an angle α greater than 180 degrees and less than 360 degrees; all of the corners, edges or corners and edges present in the interior of the cage, accessible to a rodent that can be contained in the cage, and defined by surfaces having the angle α have a minimum radius φ;
φ=0.25/(tan((π/360)(360−α))) inches; and whereby the corners, edges or corners and edges are resistant to gnawing damage by a rodent that can be contained in the cage. |
