AIKAWA IRON WORKS CO., LTD. Patent applications |
Patent application number | Title | Published |
20140190646 | PAPERMAKING SCREEN APPARATUS - A screen apparatus includes a tank receiving a papermaking raw material; a screen partitioning the tank into a primary chamber and a secondary chamber; a papermaking raw material supply passage for supplying a papermaking raw material to the tank; a foreign material discharge passage for discharges the papermaking raw material containing a foreign material that does not pass through the screen to the outside of the tank; a papermaking raw material discharge passage communicating with the secondary chamber, and discharging the papermaking raw material passing through the screen to the outside of the tank; a cylindrical rotor body rotatably provided inside the screen, and stirs the papermaking raw material in the primary chamber; and a stepped stirring member provided on the side surface except for both end surfaces of the rotor body. The stepped stirring member is formed at a falling gradient with respect to a papermaking raw material flow. | 07-10-2014 |
20140020856 | PROCESSES FOR PREPARING PULP AND PAPER - The purpose of the present invention is to provide technology for regenerating pulp having high quality with compact pulp regenerating equipment and less energy. | 01-23-2014 |
20100134576 | FLOTATION APPARATUS - A flotation apparatus F includes a tank | 06-03-2010 |
20080292378 | Doctor device and blade exchange method for doctor device - A doctor device includes a blade contacting a roll, a blade holder for holding the blade, and a moving device for moving the blade in such a direction that the blade moves toward the roll or away from the roll. The blade includes a first blade edge located on a side contacting the roll and a second blade edge located on a side opposite to the first blade edge. The blade holder includes an upper member supporting a portion of an upper surface of the blade, and a lower member supporting a portion of an under surface of the blade. The blade is held by the upper member and the lower member in such a state that the first blade edge of the blade projects from the blade holder, and the second blade edge of the blade does not contact the blade holder. | 11-27-2008 |
20080217214 | Papermaking screen device - A papermaking screen device includes a tank for receiving a papermaking material, the tank having an inlet, a refining outlet, a foreign material outlet, a first chamber and a second chamber formed outside the first chamber; a cylindrical screen provided inside the tank and dividing the tank into the first and second chambers so that the first chamber is formed inside the cylindrical screen, and the second chamber is formed outside the cylindrical screen, the cylindrical screen having a cylindrical shape and opening portions on an lateral side of the cylindrical screen; an agitating member provided in the first chamber; and a vibration member contacting the cylindrical screen for vibrating the cylindrical screen in such a range that the cylindrical screen does not contact the agitating member. The inlet and the foreign material outlet face the first chamber, and the refining outlet faces the second chamber. | 09-11-2008 |