Armstrong, Nikaido, Marmelstein & Kubovcik
Sandwich wall structure and the method for constructing the same
 Method of making an improved sandwich type insulation wall having internal framework formed by channel bars and transverse members bridging two adjacent channel bars. A plurality of channel bars having lateral wings are erected to form the main skeleton; the spaces between the channel bars are filled with pieces of resilient insulating material of proper size and shape by inserting their edges into the channels of the bars to secure them in place; transverse members are positioned at both sides of the insulating material between and connected to the channel bars; wire panels are mounted to cover the whole area of the wall spaced from the insulating board by the wings and transverse members; and both sides of the structure are grouted with a proper thickness of grouting cement or vermiculite. 
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Chi Ming
Chang