초록

The fitting is further adapted to be fire rated, including sealing elements, insulating elements, and radiating elements adapted to enable the fire-rating of the fire-rated floor to be substantially the same with or without the hole and fitting therein.

대표청구항 ▼

[ We claim:] [1.] A poke-through service fitting, adapted to be installed in an opening formed at a selected location in a floor, for enabling source service cables, positioned below the floor, to pass through the fitting, for activation of services by the service cables, and for retarding the trans

[ We claim:] [1.] A poke-through service fitting, adapted to be installed in an opening formed at a selected location in a floor, for enabling source service cables, positioned below the floor, to pass through the fitting, for activation of services by the service cables, and for retarding the transmission of heat and flame from a fire through the floor opening and fitting to the floor, comprising:(a) an insert, for insertion in the floor opening, and for retarding the transmission of heat and flame from a fire through the floor opening and the fitting to the floor;(b) a service head, adapted to be connected to the insert and to extend above the floor, which includes a plurality of sides, greater than four, each facing outwardly, in which each side includes an outlet, for enabling one of the service cables to pass therethrough, for activation of services by the service cables; and(c) means for connecting the service head to the insert.