Sponge-covered assemblies and method for making

Details Sponge-covered assemblies and method for making Sponge-covered assemblies and method for making

1997-02-26

1999-01-05

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156245, 264 464, 151192, 15228, 152443, 4283099, B32B 518

Patent

active

058557083

ABSTRACT:
A method for making an article of manufacture (10 or 34) includes making a PVC structural element (12 or 36) with a surface (26), adhesively securing a sheet of stranded material (22) to the surface (26), and molding a sponge material (16 or 40) to the sheet of stranded material (22). The sheet of stranded material (22) is a woven material or nonwoven mat. Securing the sheet of stranded material (22) to the surface (26) includes chemically softening a layer (18) of the structural element (12 or 36) by applying a solvent, applying a plastic cement layer (20) to the softened layer (18), partially embedding the sheet of stranded material (22) into the layer (20) and/or into the layer (18), thereby at least partially encompassing a plurality of first portions (28) of strands (24), and molding the sponge material (16 or 40) onto the partially-embedded sheet of stranded material (22), thereby at least partially encompassing a plurality of second portions (30) of the strands (24). When a woven material is used, the partial embedding steps result in interposing partially-encompassed first (28) and second (30) portions of the strands (24).

REFERENCES:
patent: 2948651 (1960-08-01), Waag
patent: 3722550 (1973-03-01), Matthews
patent: 4007070 (1977-02-01), Busdiecker
patent: 4425396 (1984-01-01), Hartman
patent: 5302225 (1994-04-01), Padden
patent: 5401449 (1995-03-01), Hill et al.
patent: 5578363 (1996-11-01), Finley et al.

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