Abstract: Extended flexible life laminates such as credit cards have at least one core layer and generally on each side thereof at least one overlayer. The core layer composition comprises polyvinyl chloride, a copolymer derived from vinyl chloride and vinyl ester monomers, at least one acrylic resin polymer, as well as a copolymer derived from ethylene and vinyl acetate monomers. Desirably, at least one side of the core layer is corona treated in order to improve ink adhesion thereto. The overlay composition is similar but generally is transparent. After the core layer and the overlayers are laminated together, the credit card can be embossed with pertinent information such as name, expiration date, credit card number, and the like. The laminated credit card can optionally but desirably contain a magnetic strip on the overlayer or a microchip therein. The laminates of the present invention generally have increased flex life, improved ultra violet light resistance, and low melting points.

Abstract: Extended flexible life laminates such as credit cards have at least one core layer and generally on each side thereof at least one overlayer. The core layer composition comprises polyvinyl chloride, a copolymer derived from vinyl chloride and vinyl ester monomers, at least one acrylic resin polymer, as well as a copolymer derived from ethylene and vinyl acetate monomers. Desirably, at least one side of the core layer is corona treated in order to improve ink adhesion thereto. The overlay composition is similar but generally is transparent. After the core layer and the overlayers are laminated together, the credit card can be embossed with pertinent information such as name, expiration date, credit card number, and the like. The laminated credit card can optionally but desirably contain a magnetic strip on the overlayer or a microchip therein. The laminates of the present invention generally have increased flex life, improved ultra violet light resistance, and low melting points.

Abstract: Polymeric blends suitable for making plastic sheets and laminas which exhibit improved flexural durability while retaining stiffness and impact strength include a core made from a blend comprising polyvinyl chloride resin, a vinyl chloride-vinyl ester copolymer, one or more acrylic polymers or copolymers, a chlorinated polyolefin, a solid tin stabilizer, and one or more ester waxes. The lamina, which is suitable for use as an extended life credit card, is prepared by forming a polymeric blend of a core material into a base layer sheet material which is subsequently treated to reduce surface tension and improve ink adhesion thereto, then printed with desired indicia, and finally provided with a contact-transparent protective overlay which is laminated thereto.

Abstract: A mounting bracket is provided for the support or idler rollers for the upper run of a track vehicle. The bracket includes two sets of teeth on opposite sides of the roller in order to scrape and remove mud and debris. Preferably, the bracket includes mounting wings that extend downwardly at an approximately 45-degree angle and with the teeth extending substantially tangentially to the outer support surface of the roller. The roller extends down into a cut-out opening between the wings and the teeth that are formed integrally along the upper edges of the wings. Flat bridge portions of the plate receive the bearing pillow blocks of the roller.