Injection molding and casting of materials using a vertical injection molding system
US-9457399-B2 · Oct 4, 2016 · US
Metal alloy injection molding
US9205486B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9205486-B2 |
| Application number | US-201213711581-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 11, 2012 |
| Priority date | Oct 17, 2012 |
| Publication date | Dec 8, 2015 |
| Grant date | Dec 8, 2015 |
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Abstract
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Metal alloy injection molding techniques are described. In one or more implementations, these techniques may also include adjustment of injection pressure, configuration of runners, and/or use of vacuum pressure, and so on to encourage flow of the metal alloy through a mold. Techniques are also described that utilize protrusions to counteract thermal expansion and subsequent contraction of the metal alloy upon cooling. Further, techniques are described in which a radius of edges of a feature is configured to encourage flow and reduce voids. A variety of other techniques are also described herein.
First claim
Opening claim text (preview).
What is claimed is: 1. An apparatus comprising: a molding device having a plurality of molding portions that form a cavity that defines walls of an article to be molded using a metal alloy and having a feature of a different thickness than the wall with a protrusion opposite the feature, the size and shape of the protrusion based at least in part on the thermal expansion of the metal alloy to counteract the shrinkage of the article; an injection device configured to output the m…
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- B22D17/14Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9205486B2 cover?
- Metal alloy injection molding techniques are described. In one or more implementations, these techniques may also include adjustment of injection pressure, configuration of runners, and/or use of vacuum pressure, and so on to encourage flow of the metal alloy through a mold. Techniques are also described that utilize protrusions to counteract thermal expansion and subsequent contraction of the …
- Who is the assignee on this patent?
- Microsoft Corp, Microsoft Technology Licensing Llc
- What technology area does this patent fall under?
- Primary CPC classification B22D17/14. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 08 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).