The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1998
Filed:
Oct. 17, 1995
Michael J Deaner, Osceola, WI (US);
Giuseppe Puppin, Bayport, MN (US);
Kurt E Heikkila, Circle Pines, MN (US);
Andersen Corporation, Bayport, MN (US);
Abstract
The invention relates to a thermoplastic composite material consisting essentially of a thermoplastic polymer and a wood fiber. The composite can be used in the form of a linear extrudate or a thermoplastic pellet to manufacture structural members. The linear extrudate or pellet can have any arbitrary cross-section or can be a regular geometric shape. Typically the thermoplastic polyvinyl chloride polymer and the wood fiber are combined and extruded in the form of a pellet. The pellet can be then taken, placed in an extruder and extruded in the form of a structural member. The composite material of the invention can be used to form structural members having high modulus (greater than about 500,000 psi). The thermoplastic structural members of the invention can then be recycled to form new thermoplastic.