Coil bar anchor

Abstract

A coil bar anchor for embedding into concrete structures has a threaded segment utilizing a coil thread and an anchor segment, the entire coil bar anchor being formed out of a single piece of material.

1 . A coil bar anchor consisting essentially of a single piece of material with: 
 a) a threaded segment at a first end having a diameter and internal threads of a predetermined number; and    b) an anchor segment at a second end,    wherein the coil bar anchor is manufactured as a single unitary structure and the internal threads cooperate with the threads on a lifting attachment.    
   
   
       2 . The coil bar anchor as claimed in  claim 1 , wherein the threaded segment has a length measured axially of at least twice the thread diameter.  
   
   
       3 . The coil bar anchor as claimed in  claim 2 , wherein the threaded segment has a length between approximately 1 inch and 3 inches and a thread diameter of between 0.5 inch and 1.5 inches.  
   
   
       4 . The coil bar anchor as claimed in  claim 2 , wherein the anchor segment has a length of up to approximately 25 inches and a diameter of between approximately 0.25 inch and 1.25 inches.  
   
   
       5 . The coil bar anchor as claimed in  claim 1 , wherein the threaded segment is capable of receiving a lifting attachment.  
   
   
       6 . The coil bar anchor as claimed in  claim 1 , wherein the anchor segment has a linear shape.  
   
   
       7 . The coil bar anchor as claimed in  claim 1 , wherein the anchor segment has a non-linear shape.  
   
   
       8 . The coil bar anchor as claimed in  claim 7 , wherein the non-linear shape is selected from the group consisting of arcs, waves, and helixes.  
   
   
       9 . The coil bar anchor as claimed in  claim 1 , wherein the anchor segment has protrusions on an outer surface thereof.  
   
   
       10 . The coil bar anchor as claimed in  claim 1 , wherein the anchor segment has dimples on an outer surface thereof.  
   
   
       11 . The coil bar anchor as claimed in  claim 1 , where in the internal threads are coil threads.  
   
   
       12 . The coil bar anchor as claimed in  claim 1 , wherein the single piece of material is a metal rod, the threaded segment of the first end has an outer diameter of between approximately 0.75 inch and approximately 2.0 inches, the threaded segment of the first end has a length of between approximately 1.0 inch and approximately 4.0 inches, anchor segment of the the second end has an outer diameter of between approximately 0.25 inch and approximately 1.25 inches, and the anchor segment of the second end has a length of up to approximately 25 inches.  
   
   
       13 . In a coil bar anchor comprising a threaded segment and an anchor segment, the improvement comprising manufacturing the coil bar anchor out of a single piece of material and the threaded segment having an internal coil thread for cooperating with a lifting attachment.  
   
   
       14 . The coil bar anchor as claimed in  claim 13 , wherein the single piece of material is a metal rod, the threaded segment of the first end has an outer diameter of between approximately 0.75 inch and approximately 2.0 inches, the threaded segment of the first end has a length of approximately twice the outer diameter, the anchor segment of the second end has a diameter of between approximately 0.5 inch and 1.25 inches, and the anchor segment of the second end has a length of between approximately 5 inches and approximately 12 inches.  
   
   
       15 . The coil bar anchor as claimed in  claim 14 , wherein the anchor segment has surface disruptions on an outer surface thereof.  
   
   
       16 . The coil bar anchor as claimed in  claim 15 , wherein the anchor segment has a non-linear shape.  
   
   
       17 . The coil bar anchor as claimed in  claim 16 , wherein the non-linear shape is selected from the group consisting of arcs, waves, and helixes.  
   
   
       18 . The coil bar anchor as claimed in  claim 15 , wherein the anchor segment has a linear shape.  
   
   
       19 . A method for manufacturing a coil bar anchor comprising the steps of: 
 a) forming an internal coil thread into a first end of a single piece of material having a suitable thickness; and    b) shaping a second end of the rod into an anchor segment.    
   
   
       20 . The method for manufacturing a coil anchor as claimed in  claim 19 , wherein the single piece of material is a metal rod, the first end has an outer diameter of between approximately 0.75 inch and approximately 2.0 inches, the first end has a length of between approximately 1.0 inch and approximately 4.0 inches, the second end has a diameter of between approximately 0.25 inch and 1.25 inches, and the second end has a length of between approximately 5 inches and approximately 25 inches.  
   
   
       21 . The method for manufacturing a coil bar anchor as claimed in  claim 20 , wherein surface disruptions are formed onto an outer surface of the anchor segment.  
   
   
       22 . The method of manufacturing a coil bar anchor as claimed in  claim 21 , wherein the anchor segment is shaped into a non-linear shape.  
   
   
       23 . The method of manufacturing a coil bar anchor as claimed in  claim 22 , wherein the non-linear shape is selected from the group consisting of arcs, waves, and helixes.  
   
   
       24 . The method of manufacturing a coil bar anchor as claimed in  claim 21 , wherein the anchor segment is shaped into a linear shape.