Omega type ornamental chain and process for making the chain

Abstract

There is provided an ornamental chain of the “Omega” type used for the production of necklaces, bracelets and other articles of jewelry. This chain has two faces having different colors and/or different workmanship corresponding to the two faces. The chain may be worn showing one or the other face. The disclosure also covers the process of production of the chain.

1 . (canceled)  
   
   
       2 . (canceled)  
   
   
       3 . (canceled)  
   
   
       4 . (canceled)  
   
   
       5 . (canceled)  
   
   
       6 . (canceled)  
   
   
       7 . A method for making a reversible omega chain comprising the steps of: 
 providing a first strip of a first material;    providing a second strip of a second material;    joining the first strip and the second strip together at one lengthwise side;    rolling the joined strips to form a hollow tube;    drawing the tube over a substantially oval shaping element to form a substantially oval tube;    cutting the substantially oval tube radially at specific increments to provide a plurality of rings;    inserting the rings onto a core;    pressing the rings on the core to provide an omega chain.    
   
   
       8 . The method of  claim 5  wherein the first material is yellow gold and the second material is white gold.  
   
   
       9 . The method of  claim 5  further comprising the step of drawing the tube over a solid tubular element to remove a protruding cordon.  
   
   
       10 . The method of  claim 6  wherein the solid tubular element is calibrated steel.  
   
   
       11 . The method of  claim 5  wherein the joining step further comprises welding.  
   
   
       12 . The method of  claim 5  wherein the core is a semi-precious metal fabric.  
   
   
       13 . The method of  claim 5  wherein the omega chain cross-section is concave.  
   
   
       14 . The method of  claim 5  wherein the inserting step further comprises inserting rings of alternating appearance so that every other ring has the same design.  
   
   
       15 . The method of  claim 13  wherein the design is a glazed face.  
   
   
       16 . The method of  claim 13  wherein the design is a smooth face.  
   
   
       17 . (canceled)  
   
   
       18 . The omega chain of  claim 17  wherein the first side is made of a first material and the second side is made of a second material, the first and second materials being different.  
   
   
       19 . (canceled)  
   
   
       20 . (canceled )