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Advanced polymer and wood fiber composite structural component    
United States Patent5497594   
Link to this pagehttp://www.wikipatents.com/5497594.html
Inventor(s)Giuseppe; Puppin (Bayport, MN); Deaner; Michael J. (Osceola, WI); Heikkila; Kurt E. (Circle Pines, MN)
AbstractAn advanced composite structural component, made of a poller and wood fiber composite material, in the form of an extruded or injection molded thermoplastic member in residential and commercial structures. Preferably the structural component is used in a window or a door. Common window and door manufacture require the production of linear members with specifically designed cross-sectional shapes to form both the window frame structural elements and movable sash components. The structural elements must possess sufficient strength to permit the manufacture of a structurally sound window unit that can be readily installed into a rough opening and can cooperate with the wall structure to maintain structural integrity. The window or door should have sufficient strength to survive day-to-day use and abuse and to maintain window or door structural integrity after installation. The structural component has a hollow cross-section with at least one structural web and at least one fastener web formed within the component. The exterior of the extruded component is shaped and adapted for installation in a rough opening and to support window and door components. Such structural components have unique advantages and can be assembled in a thermoplastic weld process. Welding is performed by heating and fusing the heated surfaces together to form a welded joint having superior joint strength characteristics.
   














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Drawing from US Patent 5497594
Advanced polymer and wood fiber composite structural component - US Patent 5497594 Drawing
Advanced polymer and wood fiber composite structural component
Inventor     Giuseppe; Puppin (Bayport, MN); Deaner; Michael J. (Osceola, WI); Heikkila; Kurt E. (Circle Pines, MN)
Owner/Assignee     Andersen Corporation (Bayport, MN)
Patent assignment
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Publication Date     * March 12, 1996
Application Number     08/326,479
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     October 20, 1994
US Classification     52/730.4 52/730.3 52/731.2
Int'l Classification     F04C 003/46 F04C 002/26
Examiner     Safavi; Michael
Assistant Examiner     Wilkens; Kevin D.
Attorney/Law Firm     Merchant, Gould, Smith, Edell, Welter & Schmidt
Address
Parent Case     This is a continuation of application Ser. No. 07/938,604, filed Sep. 1, 1992, now U.S. Pat. No. 5,406,768 which application(s) are incorporated herein by reference.
Priority Data    
USPTO Field of Search     52/730.3 52/730.4 52/731.2 52/731.4
Patent Tags     advanced polymer wood fiber composite structural component
   
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