초록 ▼

An improved high-density glass wool rigid panel for use in the construction of air distribution ducting in air conditioning and heating installations of the sort made of a box-shaped high-density glass wool body with optional glass fiber reinforcing mesh is disclosed. The rigid panel is formed with

An improved high-density glass wool rigid panel for use in the construction of air distribution ducting in air conditioning and heating installations of the sort made of a box-shaped high-density glass wool body with optional glass fiber reinforcing mesh is disclosed. The rigid panel is formed with a step on opposite sides, covered with aluminum strips on the larger surfaces, wherein there is an overlap of said aluminum strips on step running right around its smaller side.

대표청구항 ▼

[ What is claimed is:] [1.]1. An improved high-density glass wool rigid panel for use in the construction of air distribution ducting in air conditioning and heating installations, comprising a box-shaped high-density glass wool body having two opposed substantially planar large surfaces and opposed

[ What is claimed is:] [1.]1. An improved high-density glass wool rigid panel for use in the construction of air distribution ducting in air conditioning and heating installations, comprising a box-shaped high-density glass wool body having two opposed substantially planar large surfaces and opposed side edges joining the large surface with two opposite sides forming ends, each said opposed end having a step region extending from one of the opposite large surfaces, each large surface having aluminum strips disposed thereon and at one end of the panel with an overlap of said aluminum strips on the one step region extending over the associated end to overlap the aluminum strip on the opposite side of the step region extending over the opposite side of the step region.