JP2007144100A5 - - Google Patents

Claims (5)

A laying mat having a structure in which an upper member having many through holes is joined to an upper surface of a lower member, and a piece member is inserted into each of the through holes, and the upper member is a material softer than the piece member A mat that is made of The laying mat according to claim 1 , wherein the material in the center region in the width direction of the piece member and / or the lower member is made of a material that is harder than the both side regions in the width direction . In the state where the piece member is inserted into the vent hole, the piece member itself is sandwiched by the inner wall surface of the through hole, and a gap is formed between the side surface of the piece member and the inner wall surface of the through hole. The mat according to claim 1 or 2, wherein the mat is formed. The upper surface of the said lower member is made uneven | corrugated, The clearance gap used as the horizontal ventilation path connected to the said vertical ventilation path between the said uneven | corrugated upper surface and the lower surface of an upper member is formed. Mat. The piece member is composed of upper and lower two layers of a portion protruding upward from a height of 75% or more of the upper member and a portion not protruding, and the upper layer is composed of a softer material than the lower layer. The mat according to any one of claims 1 to 4, characterized in that it is characterized by the following.