Patent ID: 8776729
Filing Date: 2014-07-15
Classification: A01K,A23K

Abstract:
1. A pet dental chew comprising a body made of material ingestible and digestible as food for a pet and having a predetermined size insertable to a pet's mouth, the body comprising: a plurality of upper core units made of material ingestible and digestible as food for the pet and formed on an upper side of the body; a plurality of lower core units made of material ingestible and digestible as food for the pet and formed on a lower side of the body; and a plurality of air holes formed in the body between the upper side and the lower side, wherein each air hole penetrates the body, wherein the entire body including the plurality of upper core units and the plurality of lower core units is made of a composition comprising starch in an amount of 30˜70 wt %, sugar in an amount of 5˜30 wt % and water in a balance to 100 wt %, wherein the plurality of upper and lower core units and the plurality of air holes are arranged over the entire body in a longitudinal direction of the body, wherein each one of the upper core units and the lower core units include a groove and a protrusion hill, and wherein each groove of the upper core units is on a same vertical line with adjacent protrusion hill of the lower core units, and each protrusion hill of the upper core units is on a same vertical line with adjacent groove of the lower core units, wherein the protrusion hill includes corrugated side walls each having a recessed portion and a protruded portion with a trapezoidal shape in the longitudinal direction, wherein the body having the plurality of upper and lower core units has a surface hardness of 25˜50 A.