WILLAMETTE VALLEY COMPANY Patent applications |
Patent application number | Title | Published |
20100022687 | METHOD FOR FORMING LIGNOCELLULOSIC PRODUCT - A method for producing a lignocellulosic board product is provided. The method comprises providing lignocellulosic material. Furthermore, an adhesive binder system is provided comprising (a) an adhesive binder resin and (b) an extender and/or filler material comprising particularized bran material. The extender and/or filler material does not have an undesirable effect on the chemical and/or the physical properties of the adhesive binder resin to which the extender and/or filler material is added. It also does not impede the performance of the adhesive binder system during subsequent use in producing the lignocellulosic board product. Substantially no flour balling is present in the extender and/or filler material and in the adhesive binder system, respectively. Then, the lignocellulosic material and the adhesive binder system are combined. Finally, the combined lignocellulosic material and adhesive binder system are formed into the lignocellulosic board product. | 01-28-2010 |
20090212452 | RESTORING WORN RAIL CLIP SHOULDERS ON CONCRETE RAIL TIES - A method for restoring a worn rail clip shoulder located on a concrete rail tie. The method comprises applying a polymeric material to the worn rail clip shoulder located on the concrete rail tie; and restoring the worn rail clip shoulder by curing the polymeric material. The polymeric material is substantially sag resistant and maintains its shape without substantial runoff from the concrete rail tie during the restoring of the worn rail clip shoulder. | 08-27-2009 |
20080251594 | Method for restoring used railroad ties and the restored railroad ties formed thereby - This invention provides a method for restoring at least one means defining a railroad spike hole located in a used railroad tie. In this way, the restored railroad tie can be reused in subsequent rail replacement operations. The restored railroad tie is capable of having a railroad spike penetrate and be retained within the confines of the restored railroad spike hole without substantial bending problems. The used railroad tie provided has at least one spike hole located therein. In each the means defining a railroad spike hole is formed a polymeric plug. The polymeric plug comprises a polymeric plug formed of a polymeric material including a plurality of flexible, readily deformable micro-inclusions which allow the formation of spike insertion pathways that track the insertion forces of the railroad spike as it is driven into a material thereby facilitating introduction of the railroad spike into said polymeric plug. The polymeric plug is capable of penetration by and retention of the railroad spike there within. | 10-16-2008 |
20080235929 | Restoring Damaged Rail Seats Located on Concrete Rail Ties - A method for restoring a damaged rail seat located on a concrete rail tie. The method comprises applying a polymeric material comprising a poly(urethaneurea) material to the damaged rail seat located in the concrete rail tie; and restoring the damaged rail seat by cursing the polymeric material under ambient temperature and pressure conditions. The polymeric material is substantially sag resistant and maintains its shape without substantial runoff from the concrete rail tie during the restoring of the damage rail seat. | 10-02-2008 |