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:
Sep. 23, 2014
Filed:
Mar. 22, 2010
Michael J. Yancey, Puyallup, WA (US);
Travis E. Bjorkman, Bonney Lake, WA (US);
Jack G. Winterowd, Puyallup, WA (US);
Michael J. Yancey, Puyallup, WA (US);
Travis E. Bjorkman, Bonney Lake, WA (US);
Jack G. Winterowd, Puyallup, WA (US);
Weyerhaeuser NR Company, Federal Way, WA (US);
Abstract
The disclosure relates to foamed binders for wood strand products and methods and systems for producing wood strand products using foamed binders. In some embodiments, the disclosure includes a method for producing a wood strand product from cellulosic particles, the method comprising the steps of foaming a phenol formaldehyde binder to produce a foam, tumbling the cellulosic particles in a rotary blender, applying the foam to the cellulosic particles in the rotary blender, blending the cellulosic particles and the foam so that the foam covers the cellulosic particles, and consolidating the cellulosic particles under heat and pressure.