Resources Contact Us Home
Process for forming a composite structure of thermoplastic polymer and sheet molding compound

Image Number 2 for United States Patent #5001000.

A process for making a rigid composite structure with a thermoplastic polymer surface by:a. thermoforming a thermoplastic polymeric sheet into a three dimensional structure; the sheet has primary glass transition temperature that is at least C. greater than the molding temperature of step c. below;b. placing the thermoformed structure and a charge of sheet molding compound (SMC) in a mold andc. heating the charge and thermoformed structure under pressure in the mold to cure the SMC and to adhere the SMC to the thermoformed structure, where the molding temperature is at least C. below the primary glass transition temperature of the thermoplastic polymeric sheet;the resulting composite structure which can be finished with a paint or a layer of clear coat and color coat also is part of the invention.

  Recently Added Patents
Resin composition and display device using the same
Method and apparatus for distributing promotional materials
Small molecule inhibitors of kynurenine-3-monooxygenase
Washing machine
Discharge circuit and method
Semiconductor device having a plurality of elements on one semiconductor substrate and method of manufacturing the same
High-voltage AC light-emitting diode structure
  Randomly Featured Patents
Apparatus and method for regulating constant output voltage and current on primary side in a flyback converter
Fluorine-containing water-repellent oil-repellent composition
Bottle carrier/cooler
System and method for identifying and locating services on multiple heterogeneous networks using a query by type
Spark gap assembly for welding power supply
Differential latch-based one time programmable memory
Shaving razor
Preparation of dimethylamine
Importation of virtual signals into electronic test equipment to facilitate testing of an electronic component
Combination steam and unsaturated chemical vapor sterilizer