US2008256851A1PendingUtilityA1

Compressed Fuel Product Using Flax Straw Derivative

26
Individually held — no corporate assignee on recordPriority: Apr 23, 2007Filed: Apr 23, 2007Published: Oct 23, 2008
Est. expiryApr 23, 2027(~0.7 yrs left)· nominal 20-yr term from priority
Inventors:Kevin D. Lumb
C10L 5/44C10L 5/365Y02E50/10Y02E50/30
26
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A compressed fuel product, for example a firelog or other like product, comprises a material comprising a flax straw derivative, for example flax shives or other material derived from flax, which is compressed into a solid body. The material is bonded together under pressure into the solid body solely by natural lignin in the flax straw derivative.

Claims

exact text as granted — not AI-modified
1 . A compressed fuel product comprising a material compressed into a solid body, the material comprising a flax straw derivative. 
     
     
         2 . The product according to  claim 1  wherein the material primarily comprises a flax straw derivative. 
     
     
         3 . The product according to  claim 1  wherein a majority of the material comprises a flax straw derivative. 
     
     
         4 . The product according to  claim 1  wherein the material consists only of a flax straw derivative. 
     
     
         5 . The product according to  claim 1  wherein the flax straw derivative consists only of flax shives. 
     
     
         6 . The product according to  claim 1  wherein the material consists only of flax shives. 
     
     
         7 . The product according to  claim 1  wherein the material in the solid body is bonded together solely by natural lignin in the flax straw derivative. 
     
     
         8 . The product according to  claim 1  wherein the solid body has a specific gravity greater than 1. 
     
     
         9 . The product according to  claim 1  wherein the solid body has a specific gravity near 1.25. 
     
     
         10 . The product according to  claim 1  wherein the solid body is formed in the shape of a firelog. 
     
     
         11 . A method of forming a compressed fuel product comprising providing a material comprising a flax straw derivative and compressing the material into a solid body. 
     
     
         12 . The method according to  claim 11  wherein the material primarily comprises a flax straw derivative. 
     
     
         13 . The method according to  claim 11  wherein a majority of the material comprises a flax straw derivative. 
     
     
         14 . The method according to  claim 11  wherein the material consists only of a flax straw derivative. 
     
     
         15 . The method according to  claim 11  wherein the flax straw derivative consists only of flax shives. 
     
     
         16 . The method according to  claim 11  wherein the material consists only of flax shives. 
     
     
         17 . The method according to  claim 11  including bonding the material together in the solid body solely by natural lignin in the flax straw derivative. 
     
     
         18 . The method according to  claim 11  including compressing the material until the solid body has a specific gravity greater than 1. 
     
     
         19 . The method according to  claim 11  including extruding the material through an extruder having a screw press and heating the material as it is extruded solely by friction generated from rotating the screw press. 
     
     
         20 . The method according to  claim 11  including forming the solid body in the shape of a firelog.

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