公开(公告)号：US5009220A

公开(公告)日：1991-04-23

申请号：US440105

申请日：1989-11-22

申请人： Peter B. Cornelison

发明人： Peter B. Cornelison

IPC分类号： F24B1/18 ,  F24B1/191 ,  F24B1/198

CPC分类号： F24B1/1806 ,  F24B1/191 ,  F24B1/198

摘要： A reduced clearance system, or heat shield, for a coal, gas or wood burning fireplace having a cast iron surround, a hood and a grate, said heat shield including a sheet metal box, preferably a double wall sheet metal box with insulation between the wall members, having a base, three vertical sides, and a stepped top. Each of the sides has secured externally thereto a generally horizontal spacer bar. The front is open and receives the fireplace, the latter being secured to the shield by a clamping bar mounted on the front of the lower top step and side clamps. Each of the top closures has spacer bars attached thereto. The uppermost top portion has an aperture adapted to receive and retain a chimney system. Embodiments of this invention are safety approved.

摘要翻译： 一种用于具有铸铁环绕件，罩和炉排的煤，气或木燃烧壁炉的减小的间隙系统或隔热罩，所述隔热罩包括金属板，优选地是双层金属板，其间具有绝缘 壁构件，具有基部，三个垂直侧和阶梯顶部。 每个侧面在外部固定有大致水平的间隔杆。 前部是开放的，并接收壁炉，后者通过安装在下部顶部台阶和侧面夹具前部的夹紧杆固定在屏蔽上。 每个顶盖具有附接到其上的间隔条。 最上部的顶部具有适于容纳和保持烟囱系统的孔。 本发明的实施例是安全认可的。