Perimeter extrusions and kits for building panel mounting systems, and methods of making a panel assembly

Abstract

A perimeter extrusion for mounting a panel to a building wall is disclosed. The perimeter extrusion includes a panel engaging portion, and an anchor engaging portion. The panel engaging portion has a fastener slot sized to receive a fastener, which includes a slot upper wall opposite and spaced apart from a slot lower wall by a slot inner wall connecting the slot upper and lower walls at the slot inner end, and a slot outer end defining a slot opening. Each slot upper and lower wall has an interior face extending between the slot inner and outer ends, and at least a portion of at least one of the interior faces is serrated for engaging a fastener. The anchor engaging portion is connected to the panel engaging portion and has an anchor slot sized to receive an anchor flange of an anchor extrusion.

1 . A perimeter extrusion for mounting a panel to a building wall, the panel having a panel front wall, and at least one panel sidewall extending along a periphery of the panel front wall, the perimeter extrusion comprising:
 a panel engaging portion having a width to receive the extent of the at least one panel sidewall;   a fastener slot within the panel engaging portion and extending the width of the panel engaging portion, the fastener slot oriented to face the panel sidewall, the fastener slot having a height sized to receive a fastener,
 the fastener slot including a slot upper wall opposite and spaced apart from a slot lower wall by a slot inner wall connecting the slot upper and lower walls at the slot inner end, and a slot outer end defining a slot opening, 
 each slot upper and lower wall has an interior face extending between the slot inner and outer ends, and at least a portion of at least one of the interior faces is serrated for engaging a fastener; and 
   an anchor engaging portion connected to the panel engaging portion having an anchor slot sized to receive an anchor flange of an anchor extrusion.   
     
     
         2 . The perimeter extrusion of  claim 1 , wherein:
 at least a portion of the interior face of both the slot upper and lower walls is serrated.   
     
     
         3 . The perimeter extrusion of  claim 1 , wherein:
 the entire interior face of the at least one of the interior faces is serrated.   
     
     
         4 . The perimeter extrusion of  claim 1 , wherein:
 the anchor slot comprises a slot upper wall opposite and spaced apart from a slot lower wall by a slot inner wall connecting the slot upper and lower walls at the slot inner end, and a slot outer end defining a slot opening.   
     
     
         5 . The perimeter extrusion of  claim 4 , wherein:
 the slot inner ends of the fastener and anchor slots are both positioned at an inner end of the perimeter extrusion.   
     
     
         6 . The perimeter extrusion of  claim 1  further comprising:
 a filler strip engaging portion having a filler strip slot sized to receive a filler strip for covering an anchor extrusion. 
 
     
     
         7 . The perimeter extrusion of  claim 6 , wherein:
 the filler strip slot comprises a slot upper wall opposite and spaced apart from a slot lower wall by a slot inner wall connecting the slot upper and lower walls at the slot inner end, and a slot outer end defining a slot opening.   
     
     
         8 . The perimeter extrusion of  claim 6  wherein:
 the filler strip slot comprises a slot upper wall opposite and spaced apart from a slot lower wall by a slot inner wall connecting the slot upper and lower walls at the slot inner end, and a slot outer end defining a slot opening; 
 the slot inner wall of the anchor slot meets the slot inner wall of the filler strip slot at a slot interface; and 
 a common slot dividing wall extending from the slot interface outwardly forms the slot upper wall of the anchor slot and the slot lower wall of the filler strip slot. 
 
     
     
         9 . The perimeter extrusion of  claim 1  wherein:
 the panel engaging portion is positioned above the anchor engaging portion. 
 
     
     
         10 . The perimeter extrusion of  claim 4  wherein:
 the slot upper wall of the anchor slot is positioned below and spaced apart from the slot lower wall of the fastener slot. 
 
     
     
         11 . The perimeter extrusion of  claim 1  wherein:
 the perimeter extrusion is an integrally formed extruded article. 
 
     
     
         12 . A kit for mounting a panel to a building wall, the panel having a panel front wall, and at least one panel sidewall extending along a periphery of the panel front wall, the kit comprising:
 at least one perimeter extrusion, the perimeter extrusion comprising:
 a panel engaging portion having a width to receive the extent of the at least one panel sidewall; 
 a fastener slot within the panel engaging portion and extending the width of the panel engaging portion, the fastener slot oriented to face the panel sidewall, the fastener slot having a height sized to receive a fastener having a fastener slot,
 the fastener slot including a slot upper wall opposite and spaced apart from a slot lower wall by a slot inner wall connecting the slot upper and lower walls at the slot inner end, and a slot outer end defining a slot opening, 
 each slot upper and lower wall has an interior face extending between the slot inner and outer ends, and at least a portion of at least one of the interior faces is serrated; and 
 
 an anchor engaging portion connected to the panel engaging portion having an anchor slot shaped to receive an anchor flange of an anchor extrusion; and 
   at least one rivet, the rivet having a rivet head and a rivet body, the rivet body having (i) an unexpanded size for insertion through a panel sidewall and the slot opening into the fastener slot of the perimeter extrusion, and (ii) an expanded size for engaging the serrated portion of the at least one interior face to prevent withdrawal of the rivet from the fastener slot.   
     
     
         13 . The kit of  claim 12 , wherein the rivet body is made of malleable metal to be indented by teeth of the serrated portion when expanded. 
     
     
         14 . The kit of  claim 12 , wherein the rivet is a blind rivet. 
     
     
         15 . The kit of  claim 12 , wherein the rivet head is larger than a height of the slot opening. 
     
     
         16 . The kit of  claim 12 , wherein the rivet body forms two bulges for twice engaging the serrated portion. 
     
     
         17 . A method of making a panel assembly for securing to a building wall, the method comprising:
 placing a perimeter extrusion against an inside face of a panel sidewall of a panel,
 the panel including a panel front wall, the panel sidewall extending along a perimeter of the panel front wall, and the panel sidewall including at least one fastener opening, 
 the perimeter extrusion including (i) a panel engaging portion, the engaging portion having a width to receive the extent of the inside face of the panel sidewall, the panel engaging portion having a serrated fastener slot having a slot opening facing the panel sidewall, and the fastener slot extending the width of the perimeter extrusion, and (ii) an anchor engaging portion; 
   inserting a rivet body of a rivet into the serrated fastener slot through the fastener opening; and   expanding the rivet body into engagement with the serrated fastener slot to permanently fasten the perimeter extrusion to the panel sidewall.   
     
     
         18 . The method of  claim 17 , wherein expanding the rivet body comprises interlocking the rivet body with teeth of the serrated fastener slot. 
     
     
         19 . The method of  claim 17 , wherein expanding the rivet body comprises teeth of the serrated fastener slot forming mating indentations in the rivet body. 
     
     
         20 . The method of  claim 17 , wherein the rivet is a blind rivet including a mandrel, and expanding the rivet body comprises drawing the mandrel into the rivet body. 
     
     
         21 . The method of  claim 17 , wherein expanding the rivet body comprises forming two bulges in the rivet body, each bulge engaging the serrated fastener slot.