Intumescent mounting mat
AssigneeMinnesota Mining and Manufacturing Company
InventorStewart H. Corn
Life of this patent
Estimating the term…
Abstract
The present invention relates to an intumescent mounting mat useful for mounting monoliths within a casing or container. The mat is useful, for example, for mounting a catalytic converter element in a metallic casing to provide a catalytic converter.
Claims20
A catalytic converter comprising a metallic casing, a catalytic converter element disposed within said metallic casing, and an intumescent mounting mat disposed between said catalytic converter element and said metallic casing for positioning said catalytic element within said metallic casing and for absorbing mechanical and thermal shock, said intumescent mounting mat comprising a first and a second intumescent sheet each having a major surface, and a second surface opposite said major surface, said intumescent sheets being held together by mechanical fastening means which contacts each of said second surfaces and urges said sheets together in forced contact with one another, said sheets being positioned in said mounting mat with at least a portion of said major surface of said first sheet being in contact at an interface area with at least a portion of a major surface of said second sheet, and said mechanical fastening means being adhesive tape.
A catalytic converter comprising a metallic casing, a catalytic converter element disposed within said metallic casing, and an intumescent mounting mat disposed between said catalytic converter element and said metallic casing for positioning said catalytic element within said metallic casing and for absorbing mechanical and thermal shock, said intumescent mounting mat comprising a first and a second intumescent sheet each having a major surface, and a second surface opposite said major surface, said intumescent sheets being held together by mechanical fastening means which contacts each of said second surfaces and urges said sheets together in forced contact with one another, said sheets being positioned in said mounting mat with at least a portion of said major surface of said first sheet being in contact at an interface area with at least a portion of a major surface of said second sheet.
A catalytic converter comprising a metallic casing, a catalytic converter element disposed within said metallic casing, and an intumescent mounting mat disposed between said catalytic converter element and said metallic casing for positioning said catalytic element within said metallic casing and for absorbing mechanical and thermal shock, said intumescent mounting mat comprising a first and a second intumescent sheet each having a major surface, and a second surface opposite said major surface, said intumescent sheets being held together by mechanical fastening means which contacts at least one of said second surfaces and urges said sheets together in forced contact with one another, said sheet being positioned in said mounting mat with at least a portion of said major surface of said first sheet being in contact at an interface area with at least a portion of a major surface of said second sheet.
Dependencies are inferred from the claim text.