US2014162515A1PendingUtilityA1

High tear strength flame resistant cotton fabric

Assignee: RAMASWAMI MANIKAMPriority: Jan 5, 2010Filed: Feb 13, 2014Published: Jun 12, 2014
Est. expiryJan 5, 2030(~3.4 yrs left)· nominal 20-yr term from priority
D03D 15/217D02G 3/443D10B 2401/063D10B 2505/00Y10T442/2631D02J 3/16D06C 9/02D10B 2501/00Y10T442/2008D02G 3/02D10B 2201/02D02G 3/36D06M 10/04D03D 1/0035
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Claims

Abstract

“A flame resistant fabric with better tear strength and specifically a flame resistant fabric with tear strength flame resistant 100% cotton yarn are provided. The 100% cotton yarn is produced using a combination of compact spinning technology and gassing and/or singeing process performed in tandem, the yarn is weaved into fabric by pre-established process and the fabric is flame retardant finished by using chemicals and lubricants by pre-established process to form the flame resistant fabric with better tear strength. Also, a method of manufacturing the flame resistant cotton fabric that has a better tear strength after fire resistant treatment s provided. Advantageously, the flame resistant fabric is affordable, light weight and has better tensile and tear strength.”

Claims

exact text as granted — not AI-modified
1 . A fabric with better tear strength and flame resistant properties comprising:
 100% cotton yarn which is produced using a combination of compact spinning technology and gassing and/or singeing process;   weaving the yarn into fabric by pre-established process; and   flame retardant finishing of the fabric using chemicals and lubricants by pre-established process,   wherein the compact spinning and gassing and/or singeing processes are performed in tandem,   wherein the compact spinning process removes all but short hair,   wherein the gassing and/or singeing process removes all hair including short, medium and long, and   wherein the fibers in the yarn due to compact spinning are aligned and embedded to provide enhanced tear strength by preventing the surface fibers getting stretched and/or stressed and breaking during processing and/or subsequent washing which produces hairiness.   
     
     
         2 . The fabric as claimed in claim in  claim 1 , wherein the flame retardant finishing process in a pre-established manner which causes inherent loss of strength in fabric is compensated by the enhanced tear strength of the fabric. 
     
     
         3 . The fabric as claimed in  claim 1 , wherein the aligning and embedding of the yarn reduces the loss of strength during usage and repeated washing of the garment. 
     
     
         4 . The fabric as claimed in  claim 3 , wherein the fabric retains its flame resistant properties for at least 50 wash cycles. 
     
     
         5 - 9 . (canceled) 
     
     
         10 . A fabric with better tear strength and flame resistant properties comprising:
 blended cotton yarn which is produced using a combination of compact spinning technology and gassing and/or singeing process;   weaving the yarn into fabric by pre-established process; and   flame retardant finishing of the fabric using chemicals and lubricants by pre-established process,   wherein the compact spinning and gassing and/or singeing processes are performed in tandem,   wherein the compact spinning process removes all but short hair,   wherein the gassing and/or singeing process removes all hair including short, medium and long, and   wherein the fibers in the yarn due to compact spinning are aligned and embedded to provide enhanced tear strength by preventing the surface fibers getting stretched and/or stressed and breaking during processing and/or subsequent washing which produces hairiness.   
     
     
         11 . The fabric as claimed in claim in  claim 10 , wherein the flame retardant finishing process in a pre-established manner which causes inherent loss of strength in fabric is compensated by the enhanced tear strength of the fabric. 
     
     
         12 . The fabric as claimed in  claim 10 , wherein the aligning and embedding of the yarn reduces the loss of strength during usage and repeated washing of the garment. 
     
     
         13 . The fabric as claimed in  claim 12 , wherein the fabric retains its flame resistant properties for at least 50 wash cycles. 
     
     
         14 - 18 . (canceled)

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