Abstract: Provided is a planar heating body characterized by comprising: a knitted structure; a plurality of first heating threads which are laterally woven with a space therebetween in the longitudinal direction in the knitted structure; and a plurality of conducting threads which are longitudinally woven in edge sections at both sides of the knitted structure in the lateral direction.
Abstract: A sheet material consisting of a three-dimensional knitted fabric is disclosed. The three-dimensional knitted fabric includes: a surface ground weave having a napped open-lap knit texture; a backside ground weave having an open-lap knit texture; and a connecting yarn connecting the surface ground weave to the backside ground weave.