An element frame assembly (1) comprising an element frame (2) for holding at least one monolith (3) containing catalysts in the flow of exhaust gases from a combustion source. The element frame (2) comprising two pairs of opposing walls (10), an interior (11) formed by the walls (10), an inlet end (12) and an outlet end (13). The least one monolith (3) comprising an inlet (20), an outlet (20), four sides (22) and at least one catalyst. At least one knit wire mesh bearing element (4) is provided such that there is at least a portion of the at least one knit wire mesh bearing element (4) between the at least one monolith (3) and each adjacent wall (10) of the element frame (2).

An exhaust gas control apparatus for an internal combustion engine includes an outer tube, a downstream side catalyst held in the outer tube via a first mat, and an electric heating catalyst held in the outer tube via a second mat upstream of the downstream side catalyst. A joint of the first mat is disposed in a place other than a vertically lowermost portion.

An exhaust gas control apparatus for an internal combustion engine includes an outer tube, a downstream side catalyst held in the outer tube via a first mat, and an electric heating catalyst held in the outer tube via a second mat upstream of the downstream side catalyst. A joint of the first mat is disposed in a place other than a vertically lowermost portion.

A strip-shaped fire-protection element, in particular for a line fed through a through-opening of a construction element includes a flat inner layer, extending in a longitudinal direction and having an intumescent material; a reinforcement layer of a fiber composite material, which reinforcement material is applied to at least one first flat side of the inner layer and extends in the longitudinal direction of the fire protection element, wherein the reinforcement layer covers the inner layer at least partially in a width direction.

A holding material for a pollution control element which can sufficiently suppress scattering of inorganic fibers when the pollution control element is assembled in a casing, and which has a sufficiently high coefficient of friction. The holding material includes: a sheet-like main body made of first inorganic fibers having a minor axis in the range of from about 3 to 10 m; and a surface layer which is provided on at least one surface of the main body and contains second inorganic fibers having a minor axis in the range of from about 1 to 15 nm.

A substrate for an exhaust gas treatment unit, particularly for an exhaust system of an internal combustion engine, includes a substrate body (18) elongated in the substrate longitudinal direction (S). The substrate body (18) is flattened in a flattening direction (A) essentially at right angles to the substrate longitudinal direction (S). A plurality of cells (24), which extend essentially in the substrate longitudinal direction (S) and provide flow ducts, are formed in the substrate body (18). The cells (24) are defined by cell walls (20, 22), which extend essentially in the substrate longitudinal direction (S). The cell walls (20, 22) are disposed at an angle in relation to the flattening direction (A).

A compression jaw assembly unit for a compressing device for compressing tubular metal parts includes a compression jaw carrier (17) and a compression jaw (16), provided at the compression jaw carrier (17), with a compressing surface (18) that is oriented essentially facing away from the compression jaw carrier (17) and is curved transversely to a compression jaw longitudinal direction (L.sub.B) in a compression jaw transverse direction (Q.sub.B). The compression jaw (16) includes a fixed compression jaw segment (22), which is fixed to the compression jaw carrier (17) and provides a compressing surface segment (24), and at least one movable compression jaw segment (26, 28) providing a compressing surface segment (30, 32). The at least one movable compressing surface segment (26, 28) can be moved in a direction of movement (B) in relation to the fixed compressing surface segment (22) against the prestressing action of a prestressing device (42).

Mat (1) for mounting a pollution control element in a housing, comprising inorganic fibre material. At an edge surface (20) of the mat a plurality of fibres (30) are heat fused to form fusion volumes (90). The average number of fusion volumes per square millimetre of the edge surface is at least 100, and at least 80% of the fusion volumes have a projected size of between 10 m and 100 m.

A clamping assembly configured for an exhaust system of a vehicle may include a gasket engaged to be prevented from deviating using a method in which a pin is inserted into and engaged with a pin hole at an inlet pipe flange of a catalytic converter, wherein an outlet pipe flange of a turbocharger and an inlet pipe flange of the catalytic converter are clamped by a clamp by interposing the gasket between the outlet pipe flange of the turbocharger and the inlet pipe flange of the catalytic converter.

A flexible fibrous material comprises inorganic fibers and a binder and methods of making the same. The binder comprises at least one of: a first organic polymer having anionic groups and a flocculent, the flocculent comprising a second organic polymer having cationic groups; or a reaction product of the first organic polymer and the flocculent. Flexible fibrous material according to the present invention may be used as components in certain pollution control devices.