US2016273861A1PendingUtilityA1

Firearm Barrel Cooling System

36
Individually held — no corporate assignee on recordPriority: Mar 21, 2015Filed: Mar 17, 2016Published: Sep 22, 2016
Est. expiryMar 21, 2035(~8.7 yrs left)· nominal 20-yr term from priority
Inventors:Keith A. Langenbeck
F41A 13/00F41A 21/24
36
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Claims

Abstract

A firearm barrel cooling system comprising a plurality of fins adapted to extend around and from a solid barrel of a same material as the fins is disclosed. An outside major diameter of the fins is greater than an outside diameter of the barrel at any point of the barrel. A plurality of inverted fins are defined around and in the solid barrel between adjacent fins wherein an inside diameter of the inverted fins is equal to a minor diameter of the fins and equal to or greater than an outside diameter of the barrel. A plurality of cooling sections are located between a barrel collar and a muzzle end of the solid barrel, each cooling section having a plurality of fins having a major outer diameter and a minor inner diameter. A method for cooling a firearm barrel system is also included.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A firearm barrel cooling system comprising:
 a plurality of fins adapted to extend around and from a solid barrel of a same material as the fins wherein an outside major diameter of the fins is greater than an outside diameter of the barrel at any point of the barrel; and   a plurality of cavities defined around and in the solid barrel between adjacent fins wherein an inside diameter of the cavities is equal to a minor diameter of the fins and equal to or greater than an outside diameter of the barrel.   
     
     
         2 . The system of  claim 1 , wherein the fins are formed in relief within an outer portion of the solid barrel having an inner diameter larger than a nominal barrel diameter. 
     
     
         3 . The system of  claim 1 , wherein the outside major diameter of the fins is constant at any point on the barrel despite a tapering of an outside diameter of the solid barrel. 
     
     
         4 . The system of  claim 1 , wherein the inside diameter of the cavities is nominally the same as an outside diameter of the solid barrel and follows a taper of the solid barrel. 
     
     
         5 . The system of  claim 1 , wherein a number of cavities is equal to a number of fins. 
     
     
         6 . The system of  claim 1 , wherein the plurality of fins and the plurality of cavities are longitudinally oriented with respect to a length of the solid barrel. 
     
     
         7 . The system of  claim 1 , wherein a plurality of fins are configured to increase a stiffness of the solid barrel. 
     
     
         8 . The system of  claim 1 , wherein the plurality of fins and the plurality of cavities are radially oriented with respect to a length of the solid barrel. 
     
     
         9 . The system of  claim 1 , wherein a number of fins is greater than a number of cavities. 
     
     
         10 . The system of  claim 1 , wherein the plurality of fins and the plurality of cavities are oriented in a spiral manner with respect to a length of the solid barrel. 
     
     
         11 . The system of  claim 1 , wherein a number of fins and a number of cavities comprise a functional unit and a plurality of units are disposed along a length of the barrel. 
     
     
         12 . The system of  claim 1 , wherein an inside diameter of any single part of the system is greater than any barrel outside dimension to allow the system to be installed on any portion of the barrel. 
     
     
         13 . The system of  claim 1 , wherein the fins and the cavities comprise a first cooling section between a barrel collar and a gas block and a second cooling section between the gas block and a muzzle end of the solid barrel. 
     
     
         14 . The system of  claim 1 , further comprising at least one cooling extrusion in conformal engagement with the barrel, the cooling extrusion(s) configured to comprise a plurality of fins resembling an iris cross section. 
     
     
         15 . A firearm barrel cooling system comprising:
 a plurality of fins adapted to extend around and from a solid barrel of a same material as the fins wherein an outside major diameter of the fins is greater than an outside diameter of the barrel at any point of the barrel; and   a plurality of inverted fins defined around and in the solid barrel between adjacent fins wherein an inside diameter of the troughs is equal to a minor diameter of the fins and equal to or greater than an outside diameter of the barrel; and   a plurality of cooling sections between a barrel collar and a muzzle end of the solid barrel, each cooling section having a plurality of fins having a major outer diameter and a minor inner diameter.   
     
     
         16 . The system of  claim 15 , wherein a first cooling section is adapted to a first section of the barrel and a second cooling section is adapted to a tapering section of the barrel. 
     
     
         17 . The system of  claim 15 , further comprising at least one cooling extrusion in conformal engagement with the fins of a first cooling section and at least one cooling extrusion in conformal engagement with a second cooling section of the barrel, each cooling extrusion(s) configured to comprise a plurality of fins. 
     
     
         18 . A firearm barrel cooling method comprising:
 forming a plurality of fins adapted to extend around and from a solid barrel of a same material as the fins wherein an outside major diameter of the fins is greater than an outside diameter of the barrel at any point of the barrel; and   forming a plurality of inverted fins defined around and in the solid barrel between adjacent fins wherein an inside diameter of the inverted fins is equal to a minor diameter of the fins and equal to or greater than an outside diameter of the barrel; and   forming a plurality of cooling sections between a barrel collar and a muzzle end of the solid barrel, each cooling section having a plurality of fins having a major outer diameter and a minor inner diameter.   
     
     
         19 . The method of  claim 18 , further comprising forming at least one cooling extrusion in conformal engagement with the fins of the barrel, the cooling extrusion(s) configured to comprise a plurality of fins resembling an iris cross section. 
     
     
         20 . The system of  claim 18 , comprising forming the plurality of fins and the plurality of troughs in one of a longitudinal orientation with respect to a length of the solid barrel, a radial orientation and a spiral orientation.

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