Patent ID: 8042489
Filing Date: 2011-10-25
Classification: A01K

Abstract:
1. An animal waste collection sheet comprising: a top sheet which is at least partially liquid permeable; a back sheet which is liquid impermeable; and an absorbent sheet disposed between the top sheet and the back sheet, wherein: the top sheet consists of a single fiber web layer formed to have alternately a plurality of groove portions and a plurality of convex portions formed in a predetermined direction; each convex portion has a convex central region and side edge regions at both sides of the central region and sandwiching the central region, the convex portion being extended along the predetermined direction, the side edge region of each of the plurality of convex portions fiber has a orientation parallel to the predetermined direction; and a fiber density of the side edge region is higher than a fiber density of the convex portion, and the fiber density of the convex region in the thickness direction of the top sheet is substantially uniform; and a bottom of the groove portions has a fiber density no greater than 0.18 g/cm the central region of the convex portion has a fiber density in the range of 0.005 to 0.20 g/cm