Wall panel for a portable restroom

Abstract

The present invention is generally directed towards a portable restroom and more specifically towards a wall panel for a portable restroom. The wall panel of the restroom has an exterior surface and an interior surface that are formed by thermoforming two plastic sheets. The exterior surface of the wall panel is formed having knit and decorative styling lines. The interior surface is smooth and free of any indentations or impressions.

We claim:  
     
         1 . A portable restroom comprising: 
 a roof;    a plurality of wall panels including a first sheet of plastic material joined to a second sheet of plastic material, wherein the first sheet has an first surface exposed to an exterior of the restroom and having impressions formed thereon and the second sheet having a smooth surface exposed to an exterior of the restroom and wherein the wall panels are connected at a top edge to the roof;    a base connected to a bottom edge of the wall panels;    a door panel having a door pivotally fixed to at least one of the plurality of wall panels at a first longitudinal edge and removably connected to another of the wall panels at a second longitudinal edge.    
     
     
         2 . The portable restroom of  claim 1 , wherein the roof has an aperture for receiving a vent.  
     
     
         3 . The portable restroom of  claim 1 , wherein the first surface has reinforcement ribs and styling lines visible from the exterior of the restroom.  
     
     
         4 . The portable restroom of  claim 1 , wherein the first and second sheet of plastic material are joined at predefined locations along mating surfaces.  
     
     
         5 . The portable restroom of  claim 4 , wherein the smooth surface is curved.  
     
     
         6 . The portable restroom of  claim 1 , wherein the smooth surface includes vent apertures at an upper end of the wall panels.  
     
     
         7 . The portable restroom of  claim 1 , further comprising a toilet paper dispenser attached to the smooth surface of at least one of the wall panels.  
     
     
         8 . The portable restroom of  claim 1 , wherein the wall panels are formed of a thermoformable resin.  
     
     
         9 . The portable restroom of  claim 1 , wherein the first surface at the wall panels have vent apertures at an upper end of at least one of the wall panels.  
     
     
         10 . A method of manufacturing wall panel of a portable restroom, the method comprising: 
 applying heat to a first polymer sheet;    pressing a first mold into contact with the first polymer sheet;    applying a vacuum to the first polymer sheet and the first mold;    applying heat to a second polymer sheet;    pressing the second polymer sheet into contact with a second mold;    applying a vacuum to the second polymer sheet and the second mold; and    bringing first polymer sheet into contact with second polymer sheet to form the wall panel.    
     
     
         11 . The method of  claim 10  further comprising heating the first polymer sheet to a first pre-defined temperature.  
     
     
         12 . The method of  claim 10  further comprising heating the second polymer sheet to a second pre-defined temperature.