Patent application number | Description | Published |
20080289792 | Flaskless molding machine - The disclosed invention provides a molding machine that defines upper and lower molding spaces while cope and drag flasks | 11-27-2008 |
20090121382 | CORE-SETTING APPARATUS USED FOR A MOLDING APPARATUS AND A METHOD FOR SETTING A CORE - These inventions provide a core-setting apparatus and a method for setting the core in a lower mold used for a molding apparatus, wherein the core-setting apparatus has a simple structure and can maintain the core in the mold in a highly accurate position. The inventions consist of:
| 05-14-2009 |
20100032124 | Sand-introducing device using air, and method and apparatus for producing mold - A sand-introducing device that uses air for introducing molding sand in a molding space or spaces is provided. The device is provided with air-permeable partitioning plates that define a double-walled structure together with the wall of the body of the device. The air-permeable partitioning plates are easily produced, they can easily inject pressurized air of a desired pressure, and they will not need regular maintenance. The body of the device, which acts as a pressure tank, defines a double-walled structure together with the air-permeable partitioning plates ( | 02-11-2010 |
20100089545 | Method for making flaskless upper and lower molds, an apparatus therefor, and a method for placing a core - The purpose of the present invention is to provide a method to efficiently make flaskless upper and lower molds, to efficiently spray a release agent in a closed space, and to promptly place a core. | 04-15-2010 |
20110005703 | Flask unit and cope-and-drag molding machine and line - A flask unit for producing a cope and a drag that are stacked, comprising at least two uprightly disposed connecting rods ( | 01-13-2011 |
20110024071 | Method of producing sand mold - A method of producing a sand mold, comprising: after defining a mold space at least by a pattern plate, a flask, and a squeeze means, and after blow-charging molding sand held in a sand blowing device located above the mold space into the mold space by ejecting a first compressed air near sand ejecting ports of the sand blowing device thereby fluidizing the molding sand near the sand ejecting ports, while supplying a second compressed air to a surface of the molding sand held in the sand blowing device, moving the squeeze means toward the pattern plate, where in the pressure of the first compressed air and the period of time for supplying the first compressed air are adjusted to produce a good sand mold. To determine the period of time for ejecting the first compressed air, the distance of the movement of the squeeze feet toward the pattern plate is measured when the squeeze of the molding sand in the mold space is completed, and the difference between the measured distance and a target distance is calculated. The period is adjusted to be a shorter or lengthened one based on the result of the calculation. | 02-03-2011 |
20130118703 | Method for Making Upper and Lower Molds and an Apparatus Therefor - The purpose of this invention is to provide a method for making upper and lower molds and an apparatus therefor that can prevent the resulting molds from being warped and match-plates from being broken. | 05-16-2013 |
20150346371 | METHOD FOR DETECTING POWDER AND POWDER DETECTION DEVICE - A method for detecting powder is performed in a powder detection device including a pair of electrodes arranged to be opposed to each other with a gap interposed therebetween and an electric circuit electrically connected to the pair of electrodes. The method includes detecting powder filling in a case where the electric circuit together with powder and the electrodes forms a closed circuit when the powder fills the gap. | 12-03-2015 |