Filter top assembly

Details Filter top assembly Filter top assembly

A - Human Necessities

01

K

A01K 1/03 (2006.01)

Patent

CA 2734743

A filter top assembly (20) for a cage, wherein the assembly (20) includes a bonnet (100) having a perforated top wall to protect filter paper (200) placed above the top wall. The perforations (120) may be small enough to prevent an animal from getting a purchase position and spaced apart sufficiently to prevent the animal from biting the spacing between the perforations (120). The bonnet (100) may also include one or more elevated ribs (142,144) to retain the filter paper (200) suspended above the bonnet.

Linvention porte sur un ensemble couvercle à filtre (20) destiné à une cage, ledit ensemble (20) comprenant un couvercle (100) possédant une paroi supérieure perforée qui protège un papier filtre (200) placé au-dessus de ladite paroi supérieure. Les perforations (120) peuvent être suffisamment petites pour empêcher un animal de prendre une prise et suffisamment espacées pour empêcher lanimal de mordre lespace séparant les perforations (120). Le couvercle (100) peut également comporter un ou plusieurs épaulements relevés (142,144) pour retenir le papier filtreen suspension au-dessus dudit couvercle.

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