Process of making a door mat

A method of manufacturing a door mat, comprising

• extruding monofilaments from a plurality of nozzles contained in a spinning pack connected with an extruder,
• receiving in loop form a first portion of the monofilaments on a concave groove provided on a peripheral surface of a rotating molding roll to form an anti-slip layer of a doormat, the rotating molding roll being located under the spinning pack and a portion of the rotating molding roll being arranged in a cooling water tank,
• receiving in loop form a second portion of the monofilaments on the anti-slip layer and on a nongrooved portion of the peripheral surface of the rotating molding roll to form a reverse surface layer of the doormat on the anti-slip layer and on the nongrooved portion of the peripheral surface of the rotating molding roll,
• receiving in loop form a third portion of the monofilaments on the reverse surface layer arranged at the cooling water surface and at a position lower than the surface of the rotating molding roll to form a surface layer of the doormat,
• forming a decorative pattern on the surface layer of the doormat by contacting the surface layer of the doormat with a pattern forming roll arranged opposite the rotating molding roll in the cooling water tank and provided with a convection restraint cover, and
• fusing the loops at their intersections to form an integral doormat.