Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1990-04-10
1991-08-13
Mancene, Gene
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
119169, 119170, A01K 2900
Patent
active
050387219
ABSTRACT:
A system which separates the pet excreta collection, storage and disposal functions wherein each individual component used to perform each of these functions is optimized for its intended purpose. The system of the present invention permits almost indefinite recycling of the substantially nonsorbent, nonclumping granular litter material used by the animal to bury its solid excreta. The combination of the present invention includes a porous filtering member exhibiting a pore size which will readily permit the granular litter material to pass therethrough, yet retain substantially all of the solid animal excreta coming in contact with the fitering member during the filtering operation. A protective member capable of substantially resisting damage when subjected to digging or clawing by animals is secured in superposed relation to and completely overlies the uppermost surface of the porous filtering member. The protective member includes means for forming an opening having a predetermined periphery in its uppermost surface when the protective member is lifted from the litter box to initiate the filtering operation. The filtering member is secured in underlying relation about the predetermined periphery of the opening formed in the protective member so that the filtering member is protected from damage due to digging or clawing by animals during the normal use cycle, yet substantially all of the nonsorbent, nonclumping granular litter material containing the solid animal excreta will pass through the opening and be filtered by the filtering member when the protective member is lifted from the litter box. The protective member further includes liquid sorbent means for sorbing liquid animal excreta so that the liqud animal excreta contained in the sorbent means can be removed from the litter box and disposed of along with the solid animal excreta retained on the filtering member when the filtering operation has been completed.
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PCT International Publication No. WO88/00434, International Publication Date 1/28/88, P. Yananton-Non-absorbent litter for use with absorbent pad.
Co-pending commonly assigned U.S. patent application of J. L. Hammons et al., Ser. No. 507,696 filed Apr. 10, 1990 (No copy supplied).
Pet litter box system which prevents the development of unpleasant odors.
Co-pending commonly assigned U.S. patent application of B. W. Lavash, Ser. No. 507,697 filed Apr. 10, 1990 (No copy supplied)-Filtering & disposal system for granular materials such as pet litter.
Hammons John L.
Lavash Bruce W.
Ouellette William R.
Gorman John V.
Linman E. Kelly
Mancene Gene
Price R. Thomas
The Procter & Gamble & Company
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