Patent ID: 6703129
Filing Date: 2004-03-09
Classification: B29C,Y10T

Abstract:
A plastic clip for bonding onto a natural fiber based porous member by welding, comprising:a base that is a plate having one side to be juxtaposed with the natural fiber based porous member and having an opposite side from which an attachment structure extends away from the base for attachment of the natural fiber based porous member to a body via the clip, wherein the base defines a flange extending outwardly from the attachment structure and has a welding region and a non-welding region, the non-welding region has a reference level portion at said one side of the base defining a welding height of the plastic clip, the welding region has a series of fusible projections extending from said one side of the base beyond the reference level portion and a series of recesses extending inwardly of the base relative to the reference level portion, and each of the projections has at least one of the recesses adjacent thereto, wherein the base is an annulus surrounding the attachment structure and a multiplicity of the projections and the recesses are disposed radially and alternately on the base.