| 主权项 |
1. A door for a refrigerated cabinet comprising
an insulated glass unit of rectangular shape, said unit having three glass panes and a perimeter spacer system maintaining said glass panes in parallel spaced apart relation; and a pair of horizontally disposed aluminum rails, each said rail having a side wall, a first web extending perpendicularly from said side wall, a first flange extending from and perpendicularly of said first web to define a first channel for receiving a respective edge of said insulated glass unit, a second web extending perpendicularly from said side wall to define a second channel with said first web and a second flange extending from and perpendicularly of said second web; a pair of plastic breakers, each said breaker being mounted on a respective aluminum rail in abutment with said first flange and said second flange thereof and having a first recess therein facing away from said respective aluminum rail; a pair of vertically disposed plastic rails connected to and across said pair of horizontally disposed rails to define a frame, each said vertically disposed plastic rail having a base, a pair of parallel walls extending perpendicularly of said base to define a third channel for receiving a respective edge of said insulated glass unit, a third flange extending perpendicularly from said base and an L-shaped flange extending from one of said walls of said plastic rail to define a second recess with said third flange; and a sealing gasket of open rectangular shape mounted in said first recess of each said breaker and in said second recess of each said plastic rail. |
