Injection molding and casting of materials using a vertical injection molding system
US-9457399-B2 · Oct 4, 2016 · US
Plunger with removable plunger tip
US8978736B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8978736-B2 |
| Application number | US-201313803793-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 14, 2013 |
| Priority date | Mar 14, 2013 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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Abstract
Official abstract text for this publication.
Described herein is a plunger of an injection molding machine, comprising a plunger body; a plunger tip that is a separate element from the plunger body and comprises an end surface configured to directly contact a molten material used in injection molding in the injection molding machine; wherein thermal conductance across the end surface of the plunger tip may be adjustable by moving the plunger tip relative to the plunger body such that temperature of the plunger tip may be adjusted during injection molding. When this plunger is used to injection molding of a BMG, it allows reduction of formation of crystalline phases near the plunger tip and allows replacement of the plunger tip without replacement of the plunger body.
First claim
Opening claim text (preview).
I claim: 1. A plunger of an injection molding machine, comprising: a plunger body; a plunger tip that is a separate element from the plunger body and comprises an end surface configured to directly contact a molten material used in injection molding in the injection molding machine; wherein thermal conductance across the end surface of the plunger tip is smaller than thermal conductance across a contact area of the plunger tip to the plunger body. 2. The…
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Operations & Transport · mapped topic
Operations & Transport · mapped topic
- B22D17/203Primary
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US8978736B2 cover?
- Described herein is a plunger of an injection molding machine, comprising a plunger body; a plunger tip that is a separate element from the plunger body and comprises an end surface configured to directly contact a molten material used in injection molding in the injection molding machine; wherein thermal conductance across the end surface of the plunger tip may be adjustable by moving the plun…
- Who is the assignee on this patent?
- Crucible Intellectual Prop Llc
- What technology area does this patent fall under?
- Primary CPC classification B22D17/203. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 17 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).