Patent ID: 7825047

Claim:
A spread mat, comprising: a porous mat body containing stacked and looped resin filaments, said porous mat body having a front surface, and said resin filaments having front portions in said front surface; an adhesive agent spray-formed on said front surface of the porous mat body such that the adhesive agent is attached directly to said front portions of the filaments; and crushed particulate material attached to the front surface of the porous mat body through the adhesive agent, wherein the crushed particulate material includes particles attached to the front portions of the filaments through the adhesive agent; wherein the particles are of from 15 to 80 meshes and are distributed on the front surface of the porous mat body in a range of from 50 to 150 g/m 2 , and wherein the adhesive agent is a mixture of a polyvinyl chloride-based paste resin, a polyester-based plasticizer, a stabilizer and a diluent.