Method of making an expandable gap filling product

Details Method of making an expandable gap filling product Method of making an expandable gap filling product

1998-01-27

2000-07-25

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264 454, 264 465, 264259, 264273, B29C 3910

Patent

active

060933585

ABSTRACT:
An expandable gap filling product, such as a gasket or baffle, including a plastic support structure formed with at least one aperture and an expandable material molded together with the plastic support structure such that a portion of the expandable material enters the aperture to assist in holding the expandable material to the plastic support structure. The expandable material may be a conventional expandable rubber product that expands under heat to fill a defined space, such as an automotive body interior space. Apertures in the support structure may have converging side walls to further assist in holding the expandable material in place. The support structure may be molded as a mesh material with a plurality of apertures. Methods of molding the expandable gap filling product include injection molding and overmolding or insertion molding methods.

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