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    • 3. 发明授权
    • Lightweight coated extruded granular absorbent
    • US11602120B2
    • 2023-03-14
    • US14656086
    • 2015-03-12
    • Pioneer Pet Products, LLC
    • John M. Lipscomb
    • A01K1/015
    • Method and coated lightweight granular absorbent formed of lightweight inner cores made of extruded pellets coated with powdered smectite, preferably bentonite, to form an outer sorbent smectite shell around each pellet producing lightweight sorbent granules where the pellets have sufficient water soluble binder to facilitate shell formation and clumping during sorbent use. When lightweight sorbent granules are wetted, clumps are formed that shrink during drying producing a clean, generally non-sticking clump having a high clump retention rate of at least 92% and/or a crush strength of at least 15 PSI. In a preferred method, the pellets are dried coated with dry powdered smectite before wetting using an atomizer or mister while turbulently directing air towards the pellets and powdered smectite to coat the pellets with the powdered smectite forming the outer sorbent shell while minimizing pellet shrinkage and densification. Such lightweight granular sorbent is well suited for use as litter.
    • 7. 发明授权
    • Pet toilet sheet cover member and pet toilet
    • US11570964B2
    • 2023-02-07
    • US16907355
    • 2020-06-22
    • RICHELL CORPORATION
    • Hisao MiwaSatoshi Urabe
    • A01K1/01A01K1/015
    • [Problem to be solved] To provide a pet toilet sheet cover member that is provided so as to cover a pet toilet sheet laid on a floor surface and can be easily positioned with respect to the pet toilet sheet and can be easily moved, and to provide a pet toilet having the pet toilet sheet cover member.
      [Solution] A cover member 1 of a pet toilet sheet 3 according to the present invention includes: a frame member 7 that is provided on the rectangular pet toilet sheet 3 laid on a floor surface so as to over an outer peripheral edge part of the pet toilet sheet 3; and sheet fixing members 9 that are provided on the frame member 7 and fix the pet toilet sheet 3 to the frame member 7. The frame member 7 is formed to have an octagonal outer peripheral shape by obliquely cutting off corner parts of a rectangular shape. The sheet fixing members 9 are respectively provided at the corner parts of the frame member 7, and are structured to respectively fix folded corner parts of the pet toilet sheet 3 to the frame member 7.