US2006032170A1PendingUtilityA1

Floor underlayment

27
Individually held — no corporate assignee on recordPriority: Jul 30, 2004Filed: Jul 30, 2004Published: Feb 16, 2006
Est. expiryJul 30, 2024(expired)· nominal 20-yr term from priority
Inventors:Raymond VershumSam Saladino
E04F 15/186E04F 15/18E04F 15/182E04F 15/203
27
PatentIndex Score
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Cited by
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Claims

Abstract

An easy-to-install flooring underlayment 10 with improved tear resistance and tensile properties is disclosed. The flooring underlayment 10 has a first layer 12 and a second layer 14 with a plurality of cell-like openings 20. A plurality of the cell-like openings 20 have a surface opening or a cross-sectional area (A) of at least 2.5 mm 2 . Both the first and second layers 12, 14 may be made of polymeric materials, and the second layer 14 may be in contact with the first layer 12, connected to the first layer 12, integral with the first layer 12, or embedded in the first layer 12.

Claims

exact text as granted — not AI-modified
1 . A flooring underlayment comprising: 
 a homogeneous first layer, and a second layer in contact with the homogeneous first layer, the second layer having a plurality of cell-like openings having a surface opening of at least 2.5 mm 2 .    
   
   
       2 . The flooring underlayment of  claim 1 , wherein the second layer is a netting.  
   
   
       3 . The flooring underlayment of  claim 1 , wherein the openings are positioned about a matrix about the second layer.  
   
   
       4 . The flooring underlayment of  claim 1 , wherein the openings are positioned randomly about the second layer.  
   
   
       5 . The flooring underlayment of  claim 1 , wherein the openings have a surface opening of at least 10 mm 2 .  
   
   
       6 . The flooring underlayment of  claim 1 , wherein the second layer is fixedly connected to a surface of the first layer.  
   
   
       7 . The flooring underlayment of  claim 6 , wherein the second layer is connected to the first layer by a heat lamination process.  
   
   
       8 . The flooring underlayment of  claim 6 , wherein the second layer is connected to the first layer by an adhesive.  
   
   
       9 . The flooring underlayment of  claim 1 , wherein the second layer is embedded within the first layer.  
   
   
       10 . The flooring underlayment of  claim 1 , wherein a portion of the second layer extends past an edge of the first layer.  
   
   
       11 . The flooring underlayment of  claim 1 , wherein the first layer is formed of a first polymeric material.  
   
   
       12 . The flooring underlayment of  claim 11 , wherein the first polymeric material is polyethylene foam.  
   
   
       13 . The flooring underlayment of  claim 11 , wherein the first polymeric material is low-density polyethylene foam.  
   
   
       14 . The flooring underlayment of  claim 11 , wherein the second layer is formed of a second polymeric material.  
   
   
       15 . The flooring underlayment of  claim 11 , wherein the second layer is formed of a rubber-based material.  
   
   
       16 . The flooring underlayment of  claim 11 , wherein the second layer is formed of a nylon-based material.  
   
   
       17 . The flooring underlayment of  claim 14 , wherein the second polymeric material is a thermoplastic.  
   
   
       18 . A flooring underlayment comprising: 
 a substantially integral first polymeric layer; and,    a second polymeric layer connected to the first polymeric layer, the second polymeric layer comprising a plurality of cell-like openings, wherein a plurality of the cell-like openings have a cross-sectional area of at least 2.5 mm 2 .    
   
   
       19 . The flooring underlayment of  claim 18 , wherein the second polymeric layer is made of a netting.  
   
   
       20 . The flooring underlayment of  claim 18 , wherein an outermost edge of the second polymeric layer extends past an outermost edge of the first polymeric layer.  
   
   
       21 . The flooring underlayment of  claim 18 , wherein the first polymeric layer is formed of a polyethylene foam.  
   
   
       22 . The flooring underlayment of  claim 21 , wherein the second polymeric layer is made of polyethylene.  
   
   
       23 . The flooring underlayment of  claim 18 , wherein the second polymeric layer is heat laminated to the first polymeric layer.  
   
   
       24 . A flooring underlayment comprising: 
 an integral first polymeric layer having a first surface and a second surface, and a netting connected to the second surface of the first polymeric layer.    
   
   
       25 . The flooring underlayment of  claim 24 , the netting has a matrix of openings, and wherein a plurality of the openings have a cross-sectional area of at least 10 mm 2 .  
   
   
       26 . The flooring underlayment of  claim 25 , wherein a plurality of the openings have a cross-sectional area of at least 40 mm 2 , and wherein the netting comprises a polymeric material.  
   
   
       27 . The flooring underlayment of  claim 24 , wherein the first polymeric layer is formed of polyethylene foam.  
   
   
       28 . The flooring underlayment of  claim 27 , wherein the netting is made of polyethylene.  
   
   
       29 . A flooring underlayment comprising: 
 a substantially integral first layer, and a second layer at least partially housed within the first layer, the second layer having a plurality of cell-like openings having a surface opening of at least 10 mm 2 .    
   
   
       30 . The flooring underlayment of  claim 28 , wherein the first layer is formed of polyethylene foam.  
   
   
       31 . The flooring underlayment of  claim 28 , wherein the second layer is embedded within the first layer.

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