| 摘要 |
<p>A method of blowing molding sand into a molding space forming device having a blow port from a blow type blow head provided with a blowoff port and preventing the molding sand flowing out of the blowoff port of the blow head from being scattered outside. Prior to supplying the molding sand into a blow head, a blow port is connected to a blowoff port of a blow head so that the molding sand flowing out of the blowoff port of the blow head is received by a molding space forming device when the molding sand is supplied to the blow head.</p> |
