US2005081476A1PendingUtilityA1

Drywall-trimming accessory and methods for making same and/or preparing same to adhere to drywall-finishing compound

49
Priority: Oct 15, 2003Filed: Oct 15, 2003Published: Apr 21, 2005
Est. expiryOct 15, 2023(expired)· nominal 20-yr term from priority
Inventors:Mark Budzik
E04F 13/06E04F 2013/063
49
PatentIndex Score
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Cited by
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References
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Claims

Abstract

As made from a cellular polymer, a drywall-trimming accessory has two diverging flanges, each of which has two expansive surfaces facing oppositely. A superficial layer is removed from the same part of each expansive surface of each flange, as by milling, so as to reveal open cells of the cellular polymer. Where the superficial layer has been removed, a drywall-finishing compound contacting the same part of each expansive surface of each flange adheres well. As examples, which are not intended as limiting, the drywall-trimming accessory may be an elongate strip, which may be extruded from polyvinyl chloride, or a two-way or three-way corner, which may be molded, as by injection molding, from polystyrene or acrylonitrile-butadiene-

Claims

exact text as granted — not AI-modified
1 . A drywall-trimming accessory having a flange, which has two expansive surfaces facing oppositely, wherein the drywall-trimming accessory is made from a cellular polymer and wherein at least part of at least one of the expansive surfaces of the flange is characterized by open cells of the cellular polymer.  
   
   
       2 . The drywall-trimming accessory of  claim 1 , wherein the same part of the same one of the expansive surfaces of the flange is contacted by a drywall-finishing compound, which penetrates said cells.  
   
   
       3 . A drywall-trimming accessory having a flange, which has two expansive surfaces facing oppositely, wherein the drywall-trimming accessory is made from a cellular polymer and wherein at least part of each expansive surface of the flange is characterized by open cells of the cellular polymer.  
   
   
       4 . The drywall-trimming accessory of  claim 3 , wherein the same part of each expansive surface of the flange is contacted by a drywall-finishing compound, which penetrates said cells.  
   
   
       5 . A drywall-trimming accessory having two diverging flanges, each of which has two expansive surfaces facing oppositely, wherein the drywall-trimming accessory is made from a cellular polymer and wherein at least part of at least one of the expansive surfaces of each flange is characterized by open cells of the cellular polymer.  
   
   
       6 . The drywall-trimming accessory of  claim 5 , wherein the same part of the same one of the expansive surfaces of each flange is contacted by a drywall-finishing compound, which penetrates said cells.  
   
   
       7 . A drywall-trimming accessory having two diverging flanges, each of which has two expansive surfaces facing oppositely, wherein the drywall-trimming accessory is made from a cellular polymer and wherein at least part of each expansive surface of each flange is characterized by open cells of the cellular polymer.  
   
   
       8 . The drywall-trimming accessory of  claim 7 , wherein the same part of each expansive surface of each flange is contacted by a drywall-finishing compound, which penetrates said cells.  
   
   
       9 . The drywall-trimming accessory of any one of claims  1  through  8 , which is an elongate strip.  
   
   
       10 . The drywall-trimming accessory of  claim 9 , wherein the polymeric material is polyvinyl chloride.  
   
   
       11 . The drywall-trimming accessory of any one of claims  1  through  8 , which is a two-way or three-way corner.  
   
   
       12 . The drywall-trimming accessory of  claim 11 , wherein the polymeric material is polystyrene or acrylonitrile-butadiene-styrene.  
   
   
       13 . A method for making a drywall-trimming accessory having a flange, which has two expansive surfaces facing oppositely, and for preparing the drywall-trimming accessory to adhere to a drywall-finishing compound contacting at least part of at least one of the expansive surfaces of the flange, wherein the drywall-trimming accessory is made from a cellular polymer and wherein a superficial layer is removed from the same part of the same one of the expansive surfaces of the flange so as to reveal open cells of the cellular polymer.  
   
   
       14 . The method of  claim 13 , wherein the superficial layer is removed therefrom by milling.  
   
   
       15 . A method for making a drywall-trimming accessory having a flange, which has two expansive surfaces facing oppositely, and for preparing the drywall-trimming accessory to adhere to a drywall-finishing compound contacting at least part of each of the expansive surfaces of the flange, wherein the drywall-trimming accessory is made from a cellular polymer and wherein a superficial layer is removed from the same part of each expansive surface of the flange so as to reveal open cells of the cellular polymer.  
   
   
       16 . The method of  claim 15 , wherein the superficial layer is removed therefrom by milling.  
   
   
       17 . A method for making a drywall-trimming accessory having two diverging flanges, each of which has two expansive surfaces facing oppositely, and for preparing the drywall-trimming accessory to adhere to a drywall-finishing compound contacting at least part of at least one of the expansive surfaces of each flange, wherein the drywall-trimming accessory is made from a cellular polymer and wherein a superficial layer is removed from the same part of the same one of the expansive surfaces of each flange so as to reveal open cells of the cellular polymer.  
   
   
       18 . The method of  claim 17 , wherein the superficial layer is removed therefrom by milling.  
   
   
       19 . A method for making a drywall-trimming accessory having two diverging flanges, each of which has two expansive surfaces facing oppositely, and for preparing the drywall-trimming accessory to adhere to a drywall-finishing compound contacting at least part of each expansive surface of each flange, wherein the drywall-trimming accessory is made from a cellular polymer and wherein a superficial layer is removed from the same part of each expansive surface of each flange so as to reveal open cells of the cellular polymer.  
   
   
       20 . The method of  claim 19 , wherein the superficial layer is removed therefrom by milling.  
   
   
       21 . A method for preparing a drywall-trimming accessory made from a cellular polymer and having a flange, which has two expansive surfaces facing oppositely to adhere to a drywall-finishing compound contacting at least part of at least one of the expansive surfaces of the flange, wherein a superficial layer is removed from the same part of the same one of the expansive surfaces of the flange so as to reveal open cells of the cellular polymer.  
   
   
       22 . The method of  claim 21 , wherein the superficial layer is removed therefrom by milling.  
   
   
       23 . A method for preparing a drywall-trimming accessory made from a cellular polymer and having a flange, which has two expansive surfaces facing oppositely, to adhere to a drywall-finishing compound contacting at least part of each of the expansive surfaces of the flange, wherein a superficial layer is removed from the same part of each of the expansive surfaces of the flange so as to reveal open cells of the cellular polymer.  
   
   
       24 . The method of  claim 23 , wherein the superficial layer is removed therefrom by milling.  
   
   
       25 . A method for preparing a drywall-trimming accessory made from a cellular polymer and having two diverging flanges, each of which has two expansive surfaces facing oppositely, to adhere to a drywall-finishing compound contacting at least part of at least one of the expansive surfaces of each flange, wherein a superficial layer is removed from the same part of the same one of the expansive surfaces of each flange so as to reveal open cells of the cellular polymer.  
   
   
       26 . The method of  claim 25 , wherein the superficial layer is removed therefrom by milling.  
   
   
       27 . A method for preparing a drywall-trimming accessory made from a cellular polymer and having two diverging flanges, each of which has two expansive surfaces facing oppositely, to adhere to a drywall-finishing compound contacting at least part of each expansive surface of each flange, wherein a superficial layer is removed from the same part of each expansive surface of each flange so as to reveal open cells of the cellular polymer.  
   
   
       28 . The method of  claim 27 , wherein the superficial layer is removed therefrom by milling.  
   
   
       29 . The method of any one of claims  13  through  28 , wherein the drywall-trimming accessory is an elongate strip.  
   
   
       30 . The method of  claim 29 , wherein the polymeric material is polyvinyl chloride.  
   
   
       31 . The method of any one of claims  13  through  28 , wherein the drywall-trimming accessory is a two-way or three-way corner.  
   
   
       32 . The method of  claim 31 , wherein the polymeric material is polystyrene or acrylonitrile-butadiene-styrene.

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