In particular this invention relates to the heavy-duty molded door mats which have
usually hitherto been made of rubber and which have the function of removing gross adherent mud or slush before the user enters a building.
It is known to provide for example molded rubber door mats which have a number of upstanding ridges or spikes. However, while such mats are to some extent effective they soon become dirty and clogged with mud.
A door mat formed as a molded expanse of resilient material, comprising a raised rim surrounding a portion of the mat, a plurality of upwardly extending flexible spikes located within the rim, whereby water can be held within the rim with said spikes extending above its effective surface in use, further upwardly extending flexible spikes located over part of the surface of the mat outside the rim for gross dirt removal and being less deformable then the flexible spikes within the rim, and one or more plain areas on which the user can stand with one foot so as to avoid permanently deforming the said further upwardly extending spikes.
While all of the upwardly extending flexible members can have the same profile, it is possible for those within the rim and protruding above the water level to be more deformable than those outside the rim since they are needed to cope with the remaining relatively smaller adherent patches of material and to deform down into the water in order to be washed clean. Car mats manufacturer can supply good door mat and car mat.
The flexible members can be ribs extending transversely to the direction of movement of the foot (and accordingly generally longitudinal, referred to the usual shape of door mats) or may be upwardly extending spikes or nodules.