US2021102315A1PendingUtilityA1

Flame Retardant Support Article

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Assignee: MILLIKEN & COPriority: Oct 3, 2019Filed: Sep 29, 2020Published: Apr 8, 2021
Est. expiryOct 3, 2039(~13.2 yrs left)· nominal 20-yr term from priority
Inventors:John W. Ringo, Jr.
D10B 2201/22D02G 3/443D04B 1/16D10B 2331/04D10B 2505/08D04H 1/435
56
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Claims

Abstract

The invention relates to a flame retardant support article containing a support article comprising a resilient material and a flame retardant knit fabric at least partially surrounding the support article. The flame retardant knit fabric contains a plurality of yarns, wherein the yarns comprise flame retardant rayon fibers and polyester fibers. The plurality of yarns contains at least about 70% by weight flame retardant rayon fibers.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A flame retardant support article comprising:
 a support article comprising a resilient material; and   a flame retardant knit fabric at least partially surrounding the support article, wherein the flame retardant knit fabric comprises a plurality of yarns, wherein the yarns comprise flame retardant rayon fibers and polyester fibers, wherein the plurality of yarns comprises at least about 70% by weight flame retardant rayon fibers.   
     
     
         2 . The flame retardant support article of  claim 1 , wherein the amount of flame retardant rayon fibers and polyester fibers is at least about 95% by weight of the flame retardant knit fabric. 
     
     
         3 . The flame retardant support article of  claim 1 , wherein the amount of flame retardant rayon fibers and polyester fibers is at least about 98% by weight of the flame retardant knit fabric. 
     
     
         4 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric comprises less than about 3% of fiberglass fibers. 
     
     
         5 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric comprises less than about 1% of fiberglass fibers. 
     
     
         6 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric comprises less than about 0.1% of fiberglass fibers. 
     
     
         7 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric comprises less than about 3% of modacrylic fibers. 
     
     
         8 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric comprises less than about 0.1% of modacrylic fibers. 
     
     
         9 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric comprises less than about 0.1% of fibers having a topical flame retardant treatment. 
     
     
         10 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric is a circular knit. 
     
     
         11 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric is a rib knit fabric. 
     
     
         12 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric is a jersey knit fabric. 
     
     
         13 . The flame retardant support article of  claim 1 , wherein the yarns are open end spun. 
     
     
         14 . The flame retardant support article of  claim 1 , wherein the yarns have a flame retardant rayon fiber to polyester fiber ratio of about 2:1 to 5:1. 
     
     
         15 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric has a weight of between about 3 and 15 ounces per square yard. 
     
     
         16 . The flame retardant support article of  claim 1 , wherein at least a portion of the yarns are double inserted in the flame retardant knit fabric. 
     
     
         17 . The flame retardant support article of  claim 1 , wherein the flame retardant knit fabric fully encapsulates the support article. 
     
     
         18 . The flame retardant support article of  claim 1 , wherein the support article is a mattress. 
     
     
         19 . The flame retardant support article of  claim 1 , wherein the support article comprising a resilient material is selected from the group consisting of a cushion, pillow, office panel, and seat. 
     
     
         20 . The flame retardant support article of  claim 1 , wherein the support article passes the 16 CFR 1633 Federal Open Flame Standard.

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