发明授权
- 专利标题： Needle assembly for gas-assisted injection moulding
- 专利标题（中）： 用于气体辅助注射成型的针组件
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申请号： US10843882申请日： 2004-05-12
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公开(公告)号： US07416398B2公开(公告)日： 2008-08-26
- 发明人: Gordon Frederick Smith , Rui Magalhaes
- 申请人： Gordon Frederick Smith , Rui Magalhaes
- 申请人地址： GB Coventry
- 专利权人： University of Warwick
- 当前专利权人： University of Warwick
- 当前专利权人地址： GB Coventry
- 代理机构： Wood, Phillips, Katz, Clark & Mortimer
- 优先权： GB0310915.4 20030513
- 主分类号： B29C31/10
- IPC分类号： B29C31/10
摘要：
A fluid injection and exhaust needle for use in gas injection moulding comprising a needle with two separate flow channels; a fluid inlet channel and a fluid outlet channel; wherein gas is injected into the melt via the fluid inlet channel to form a gas cavity in the melt, and gas is simultaneously exhausted from the cavity via the fluid outlet channel.
公开/授权文献
- US20050098929A1 Needle assembly for gas-assisted injection moulding 公开/授权日：2005-05-12
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