초록 ▼

A firestop sleeve suitable for both concrete floor and gypsum wall-board assembly including a layer of intumescent composite forming a moldable putty with a restraining layer, for wrapping around a pipe extending through the concrete floor or through the wall-board, along with a plurality of bendabl

A firestop sleeve suitable for both concrete floor and gypsum wall-board assembly including a layer of intumescent composite forming a moldable putty with a restraining layer, for wrapping around a pipe extending through the concrete floor or through the wall-board, along with a plurality of bendable tabs for depression into the wrapped layer to hold the restraining layer in position during installation.

대표청구항 ▼

[ We claim:] [1.] A firestop sleeve comprising:a restraining layer having an overlying poly-plastic band exhibiting top, bottom and opposing side edges;a layer of intumescent composite abutting said poly-plastic band;a plurality of tabs extending outwardly from said side edges of said poly-plastic b

[ We claim:] [1.] A firestop sleeve comprising:a restraining layer having an overlying poly-plastic band exhibiting top, bottom and opposing side edges;a layer of intumescent composite abutting said poly-plastic band;a plurality of tabs extending outwardly from said side edges of said poly-plastic band;with said restraining layer and said poly-plastic band being pliable for rolling toward one another when furled;with said layer of intumescent composite forming a moldable putty;and with said plurality of tabs being bendable to compress into said putty in holding said restraining layer in position.