Image Number 2 for United States Patent #6145882.
An album for containing items such as photographs or collectible cards, and its fabrication process, combining the advantages of a cover of one thermoplastic material with the different advantages of leaves of another thermoplastic material weld-incompatible with the cover material, using thermoplastic welding for securing the leaves to the cover. In its preferred embodiment, the album comprises a cover having vinyl inner and outer cover sheets secured to one another in superposed relation with a polypropylene sheet captured therebetween and extending along the cover's spine, and a plurality of polypropylene leaves thermally welded to the captured polypropylene sheet along the cover's spine and through the inner cover.
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