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Core sand filling device and core sand filling method in core making machine
US8997835B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8997835-B2 |
| Application number | US-201214123329-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 18, 2012 |
| Priority date | Jun 3, 2011 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
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The core sand filling device includes the core box, a blow head which is placed below the core box so as to move up and down in a relative manner to the core box and divided into a sand blowing chamber and a sand storage chamber that are communicatively connected to each other, a compressed air supply unit which is communicatively connected to the sand storage chamber and supplies compressed air into the sand storage chamber, an aeration air supply unit which is communicatively connected to the sand blowing chamber and supplies into the sand blowing chamber aeration air for suspending and fluidizing core sand inside the sand blowing chamber, and an exhaust valve which is communicatively connected to the sand blowing chamber and exhausts compressed air remaining in the sand blowing chamber.
First claim
Opening claim text (preview).
The invention claimed is: 1. A core sand filling device in an under-blow type core making machine in which core sand is blown from a lower part of a core box to an upper part of the core box, the core sand filling device in the core making machine comprising: the core box; a blow head which is placed below the core box so as to move up and down in a relative manner to the core box and divided into a sand blowing chamber and a sand storage chamber that are communicatively conne…
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- What does patent US8997835B2 cover?
- The core sand filling device includes the core box, a blow head which is placed below the core box so as to move up and down in a relative manner to the core box and divided into a sand blowing chamber and a sand storage chamber that are communicatively connected to each other, a compressed air supply unit which is communicatively connected to the sand storage chamber and supplies compressed ai…
- Who is the assignee on this patent?
- Kato Shigeyoshi, Tsuzuki Shuichi, Harada Hisashi, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification B22C7/06. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).