Patent ID: 8397455
Filing Date: 2013-03-19
Classification: B29C,B32B,E04B,E04C

Abstract:
1. A composite wall panel, comprising: a first layer of hardenable structural material; a second layer of hardenable structural material; an insulating foam layer disposed between the first and second structural layers, the foam layer including a first major side in contact with the first layer of structural material and a second major side in contact with the second layer of structural material, the first and second major sides of the insulating foam layer each having at least one groove, each groove having at least one groove shoulder; and at least one connector configured to anchor the first and second layers of structural material to one another and to the insulating foam layer, each connector having a body with a first segment embedded in the first layer of structural material, a trailing segment embedded in the second layer of structural material and a mesial segment embedded in the insulating foam layer; wherein the first and second layers of hardenable structural material extend into the grooves and under the groove shoulders to form a mechanical engagement between the insulating foam layer and the first and second layers of hardenable structural material; further wherein the connector body comprises: