Self-adhesive tape for sealing the passages of construction units through plastic foils lining roofs

Abstract

A self-adhesive flexible sealing tape, especially on a butyl or acrylic base, possibly a butyl rubber base, intended for sealing purposes and so designed that both the sealing tape and the carrier foil applied to the sealing tape are capable of being stretched, thus enabling the carrier tape to follow the stretching state of the sealing tape.

1 - 11 . (cancelled)  
     
     
         12 . A self-adhesive flexible sealing tape intended for sealing purposes where the sealing tape is covered on one side by a peel-off strip to protect an adhesive surface of the tape and on an opposite side by a carrier foil, characterized in that the sealing tape and the carrier foil are stretchable, and this in such a way that the carrier foil can permanently follow a stretched condition of the sealing tape that is necessary when the sealing tape is to be made to adhere to a vapor barrier foil, which in a mounted state is tensioned as a flat surface.  
     
     
         13 . A sealing tape in accordance with  claim 12 , characterized in that the sealing tape includes plastoelastic behavior.  
     
     
         14 . A sealing tape in accordance with  claim 12 , characterized in that a stretching capacity of the carrier foil is equal to a stretching capacity of the sealing tape.  
     
     
         15 . A sealing tape in accordance with  claim 12 , characterized in that the stretchable carrier foil is made of plastic material.  
     
     
         16 . A sealing tape in accordance with  claim 15 , characterized in that the carrier foil is made of polyethylene.  
     
     
         17 . A sealing tape in accordance with  claim 12 , characterized in that the carrier foil has a thickness in the range between 15 and 30 μm.  
     
     
         18 . A sealing tape in accordance with  claim 12 , characterized in that the sealing tape and the carrier foil are designed for a stretching capacity in the range between 50 and 100%.  
     
     
         19 . A sealing tape in accordance with  claim 12 , characterized in that the peel-off strip is perforated or subdivided in the longitudinal direction, and this in such a way as to make it possible for the sealing tape to be pre-stretched on one side.  
     
     
         20 . A sealing tape in accordance with  claim 12 , characterized in that at least half the side of the carrier foil in the longitudinal direction is creped.  
     
     
         21 . A sealing tape in accordance with  claim 12 , characterized in that the sealing tape is provided with reinforcing insets to increase its tear resistance.  
     
     
         22 . A sealing tape in accordance with  claim 12 , characterized in that the sealing tape has a thickness in the range between 0.5 and 3 mm.  
     
     
         23 . A sealing tape in accordance with  claim 12 , characterized in that the sealing tape comprises a butyl or acrylic base.  
     
     
         24 . A sealing tape in accordance with  claim 23 , characterized in that the base comprises butyl rubber.  
     
     
         25 . A sealing tape in accordance with  claim 13 , characterized in that the sealing tape comprises a high plastic component.  
     
     
         26 . A sealing tape in accordance with  claim 16 , characterized in that the carrier foil is made of polyamide.  
     
     
         27 . A sealing tape in accordance with  claim 17 , characterized in that the carrier foil has a thickness in the range between 17 and 22 μm.  
     
     
         28 . A sealing tape in accordance with  claim 27 , characterized in that the carrier foil has a thickness of about 20 μm.  
     
     
         29 . A sealing tape in accordance with  claim 18 , characterized in that the sealing tape and the carrier foil are designed for a stretching capacity in the range between 70 and 80%.  
     
     
         30 . A sealing tape in accordance with  claim 21 , characterized in that the reinforcing insets are in a checker pattern.  
     
     
         31 . A sealing tape in accordance with  claim 22 , characterized in that the sealing tape has a thickness of about 2 mm.  
     
     
         32 . A self-adhesive flexible sealing tape for sealing purposes comprising: 
 a base having an adhesive surface on a first side and a carrier foil on a second side; and    a peel-off strip;    wherein the base is covered on one side by the peel-off strip to protect the adhesive surface of the tape;    wherein the sealing tape and the carrier foil are stretchable, whereby the carrier foil can permanently follow a stretched condition of the base that is necessary when the base is to be made to adhere to a vapor barrier foil, wherein at least a part of the base, in a mounted state, is tensioned as a flat surface.    
     
     
         33 . A sealing tape in accordance with  claim 32 , wherein: 
 the base has plastoelastic behavior.    
     
     
         34 . A sealing tape in accordance with  claim 33 , wherein: 
 the base comprises a high plastic component.    
     
     
         35 . A sealing tape in accordance with  claim 32 , wherein: 
 a stretching capacity of the carrier foil is equal to a stretching capacity of the sealing tape.    
     
     
         36 . A sealing tape in accordance with  claim 32 , wherein: 
 the carrier foil is made of plastic material.    
     
     
         37 . A sealing tape in accordance with  claim 36 , wherein: 
 the carrier foil is made of polyethylene.    
     
     
         38 . A sealing tape in accordance with  claim 37 , wherein: 
 the carrier foil is made of polyamide.    
     
     
         39 . A sealing tape in accordance with  claim 32 , wherein: 
 the carrier foil has a thickness in the range between 15 and 30 μm.    
     
     
         40 . A sealing tape in accordance with  claim 39 , wherein: 
 the carrier foil has a thickness in the range between 17 and 22 μm.    
     
     
         41 . A sealing tape in accordance with  claim 40 , wherein: 
 the carrier foil has a thickness of about 20 μm.    
     
     
         42 . A sealing tape in accordance with  claim 32 , wherein: 
 the sealing tape and the carrier foil have a stretching capacity in the range between 50 and 100%.    
     
     
         43 . A sealing tape in accordance with  claim 42 , wherein: 
 the sealing tape and the carrier foil have a stretching capacity in the range between 70 and 80%.    
     
     
         44 . A sealing tape in accordance with  claim 32 , wherein: 
 the peel-off strip is perforated or subdivided in the longitudinal direction, whereby the base can be pre-stretched on one side.    
     
     
         45 . A sealing tape in accordance with  claim 32 , wherein: 
 at least half a side of the carrier foil in the longitudinal direction is creped.    
     
     
         46 . A sealing tape in accordance with  claim 32 , wherein: 
 the base is provided with reinforcing insets to increase a tear resistance of the base.    
     
     
         47 . A sealing tape in accordance with  claim 46 , wherein: 
 the reinforcing insets are in a checker pattern.    
     
     
         48 . A sealing tape in accordance with  claim 32 , wherein: 
 the base has a thickness in the range between 0.5 and 3 mm.    
     
     
         49 . A sealing tape in accordance with  claim 48 , wherein: 
 the base has a thickness of about 2 mm.    
     
     
         50 . A sealing tape in accordance with  claim 32 , wherein: 
 the base comprises butyl or acrylic.    
     
     
         51 . A sealing tape in accordance with  claim 50 , wherein: 
 the base comprises butyl rubber.