Hollow body with an internal supporting frame

A hollow body comprising a housing with an internal supporting frame, wherein said housing is formed of plastic material and is produced by blow molding and encloses the supporting frame, said housing having an inner contour and an outer contour which define a cross-sectional thickness of the housing, and wherein the supporting frame includes at least two contact portions which extend into said cross-sectional thickness of the housing and which connect the supporting frame to the housing, wherein said hollow body defines a chamber, and said chamber is filled with activated carbon, said chamber having first and second open ends each provided with a lid, and wherein at least one of the lids is provided with connecting elements, whereby said hollow body may be used as an activated carbon filter for adsorbing fuel vapors.

A hollow body comprising a housing with an internal supporting frame, wherein said housing is formed of plastic material and is produced by blow molding and encloses the supporting frame, said housing having an inner contour and an outer contour which define a cross-sectional thickness of the housing, and the supporting frame including at least two contact portions which extend into said cross-sectional thickness of the housing and which connect the supporting frame to the housing, at least one of said contact portions of the supporting frame comprising an enlarged section which is at least partially enclosed within the cross-sectional thickness of the housing, and wherein said enlarged section extends transversely to an adjacent portion of said supporting frame such that said enlarged section comprises an inward surface facing inwardly of said housing and an outward surface facing outwardly of said housing.