Slide in bowl for a water pipe smoking device

Abstract

A bowl device for a water pipe includes a metallic main body member that is defined by a combustion chamber, a throat and an exhaust chamber. The combustion chamber includes an open top end, an open bottom end, and a funnel-shaped inside wall. The inside wall includes a rough textured surface that functions to retain residue from burned smoking materials to form a patina over time. The throat comprises a hollow channel that extends downward from the bottom of the combustion chamber to the open top end of the exhaust chamber. The exhaust chamber includes an open bottom end, and an inside wall having a funnel-shaped portion that is oriented opposite to the combustion chamber. The combustion chamber, exhaust chamber and throat forming a venturi chamber for moving smoke into the downstem of a glass water pipe, and an O-ring provides an airtight seal between the device and the downstem.

What is claimed is: 
     
         1 . A water pipe bowl device, comprising:
 a combustion chamber having an open top end, a bottom end, an inside wall and an outside wall;   an exhaust chamber having an open bottom end, a top end an inside wall and an outside wall; and   a throat comprising a hollow cylindrical channel having a first end that terminates within the bottom end of the combustion chamber and a second end that terminates within the top end of the exhaust chamber,   wherein the inside wall of the combustion chamber comprises a generally funnel-shaped member that is configured to receive and burn a smoking material.   
     
     
         2 . The device of  claim 1 , wherein each of the combustion chamber, the throat and the exhaust chamber are constructed from a heat conducting material. 
     
     
         3 . The device of  claim 2 , wherein the inside wall of the combustion chamber includes a rough surface. 
     
     
         4 . The device of  claim 1 , wherein the combustion chamber is constructed from a heat conducting metallic material. 
     
     
         5 . The device of  claim 4 , wherein the inside wall of the combustion chamber includes a textured surface that is configured to retain residue from a burned smoking material to form a patina layer thereon over time. 
     
     
         6 . The device of  claim 1 , wherein each of the combustion chamber, the throat and the exhaust chamber are constructed from a single piece of metal. 
     
     
         7 . The device of  claim 6 , wherein the outside wall of the exhaust chamber includes a diameter of about 10 mm, 14 mm or 18 mm and is configured to be inserted within a glass downstem of a water pipe. 
     
     
         8 . The device of  claim 7 , further comprising:
 a gasket that is positioned along the outside wall of the exhaust chamber at a location adjacent to the throat.   
     
     
         9 . The device of  claim 8 , wherein the gasket is constructed from a resilient and elastomeric material, and is configured to provide an airtight seal between the metallic combustion chamber and the glass downstem. 
     
     
         10 . The device of  claim 1 , wherein the combustion chamber, the throat and the exhaust chamber form a venturi chamber.