Patent ID: 7178829
Filing Date: 2007-02-20
Classification: B60R

Abstract:
1. An inflator comprising: an inner body portion defining a combustion chamber, the inner body portion including at least one aperture formed therealong to enable fluid communication between the combustion chamber and an exterior of the combustion chamber; a filter material positioned along an exterior of the inner body portion; and an outer body wrap having at least a pair of opposed longitudinal edges and at least one aperture formed therealong to enable fluid communication between the filter material and an exterior of the inflator, the outer body wrap being folded about the filter material to substantially enclose the filter material such that a predetermined thickness of the filter material is positioned intermediate the at least one inner body portion aperture and the at least one outer body wrap aperture, wherein a first portion of the outer body wrap is attached to a second portion of the wrap at at least one point to define at least one unattached seam extending adjacent the at least one point and along which the first portion of the wrap is unattached to the second portion of the wrap, the unattached seam defining the at least one aperture formed along the outer body wrap to enable fluid communication between the filter material and the exterior of the inflator.