US2007000700A1PendingUtilityA1

Twist bit for drilling mortar and for optimizing dissipation of heat and dust created by the drilling

Individually held — no corporate assignee on recordPriority: Jun 30, 2005Filed: Jun 30, 2005Published: Jan 4, 2007
Est. expiryJun 30, 2025(expired)· nominal 20-yr term from priority
Inventors:Bruce Switzer
B23B 2251/44B23B 2226/75B23B 2226/315B23B 2270/56B23B 2251/406B28D 1/146B23B 51/02
30
PatentIndex Score
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References
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Claims

Abstract

A twist bit for drilling mortar and for optimizing dissipation of heat and dust created by the drilling. A shaft has a flute therein configured in a spiral configuration therealong leaving a flute land thereon also configured in a spiral configuration therealong, a tip, and a head including the tip and a portion of the flute land coextensive with the tip. Diamond dust is disposed only on the flute land and the head. To optimize the dissipation of the heat and the dust created by the drilling, the twist drill operates via a drill motor in a range of approximately 25,000 RPMs to approximately 26,000 RPMs. The flute has a width of approximately ¼″ and the flute land has a width of approximately ¼″ and a height of approximately 1/16″.

Claims

exact text as granted — not AI-modified
1 . A twist bit for drilling mortar and for optimizing dissipation of heat and dust created by the drilling, comprising: 
 a) a shaft; and    b) diamond dust;    wherein said diamond dust is disposed on said shaft.    
   
   
       2 . The bit as defined in  claim 1 , wherein said shaft has a flute therein.  
   
   
       3 . The bit as defined in  claim 2 , wherein said flute in said shaft is configured in a spiral configuration therealong so as to leave a flute land thereon that is also configured in a spiral configuration therealong.  
   
   
       4 . The bit as defined in  claim 3 , wherein said shaft has a tip.  
   
   
       5 . The bit as defined in  claim 4 , wherein said flute land of said shaft extends therealong up to, and is coextensive with, said tip of said shaft so as to form a head.  
   
   
       6 . The bit as defined in  claim 5 , wherein said head of said shaft includes said tip of said shaft and a portion of said flute land of said shaft that is coextensive with said tip of said shaft.  
   
   
       7 . The bit as defined in  claim 4 , wherein said tip of said shaft is pointed.  
   
   
       8 . The bit as defined in  claim 5 , wherein said diamond dust is disposed only on said flute land of said shaft and said head of said shaft.  
   
   
       9 . The bit as defined in  claim 3 , wherein said flute in said shaft has a width; 
 wherein said flute land of said shaft has a width;    wherein said flute land of said shaft has a height; and    wherein said twist bit operates via a drill motor in a range of approximately 25,000 RPMs to approximately 26,000 RPMs, said width of said flute in said shaft is approximately ¼″, said width of said flute land of said shaft is approximately ¼″, and said height of said flute land of said shaft is approximately 1/16″, all for optimizing the dissipation of the heat and the dust from a hole in mortar created by the drilling.

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