Invisible setting method for jewelry

Abstract

A rigid bar (or segment) on which stones will be at least partially supported is positioned in a rubber mold for creating a wax pattern of the jewelry, injecting wax to form a wax model of the jewelry including the metal bar to fit into an incision in the stones. The model with the metal bar forms the invisible pre-set stone mount. Stones are then placed into set position in the wax pattern on opposite sides of the metal bar. Once the setting is complete, the jewelry is created using known “lost-wax” method of manufacturing jewelry.

I claim:  
     
       1. A method of manufacturing jewelry having a plurality of stones supported in an invisible stone mount, said method comprising the steps of: 
       providing a mold for producing a wax-like pattern of the jewelry;  
       placing a rigid segment into a stone mount region of the mold corresponding to a stone-mount region of the jewelry;  
       injecting a wax-like substance to form a wax-like  a pattern of said jewelry, including the  a rigid bar segment;  
       inserting  and the stones into set positions thereof in the wax-like pattern on opposite sides  on at least one side of the rigid segment  bar which forms an invisible preset stone mount;  
       embedding said wax-like  pattern, containing said rigid segment  bar with the positioned stones in an “investment” material;  
       melting the wax-like  pattern to provide a mold cavity with said rigid segment  bar and the supported stones being suspended therein;  
       injecting molten material into the mold  pattern cavity to form a casting of the jewelry with the invisibly supported stones; and  
       separating the investment material to remove the jewelry with the invisibly preset stones.  
     
     
       2. The method of  claim 1 , wherein said rigid segment  bar is metallic. 
     
     
       3. The method of  claim 1 , wherein said segment is a bar. 
     
     
       4. The method of  claim 2 , wherein said metal is gold. 
     
     
       5. The method of  claim 1 , wherein said wax-like substance  pattern is made of wax. 
     
     
       6. The method of  claim 1 , wherein said  a mold for producing said wax-like  pattern is metallic. 
     
     
       7. The method of  claim 1 , further providing the step of trimming said jewelry to remove undesired portions. 
     
     
       8. The method of  claim 7 , further providing the step of finishing the jewelry. 
     
     
       9. The method of  claim 1 , wherein said investment material is a plaster material. 
     
     
       10. A method of manufacturing jewelry having a plurality of stones supported with an invisible stone mount, said method comprising the steps of: 
       providing a rubber mold for producing a wax pattern of the jewelry;  
       placing a gold metal bar into a stone mount region of the mold, corresponding to a stone-mount region of the jewelry;  
       injecting a substance into said mold to form a wax pattern of said jewelry, including the gold bar therein;  
       inserting the stones into set positions thereof in the wax pattern on opposite sides of the gold bar which forms an invisible preset stone mount;  
       embedding said wax pattern, containing said metal segment with the stones positioned in an investment material;  
       melting the wax pattern to provide a mold cavity with said gold bar segment and the supported stones being suspended therein;  
       injecting molten metal into the mold cavity to form a casting of the jewelry with the invisibly supported stones; and  
       separating the investment material to remove the jewelry with the invisibly preset stones;  
       trimming said jewelry to remove undesired portions; and  
       finishing said jewelry.