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2024年3月22日发(作者：面试前端居然要上机考)

专利内容由知识产权出版社提供

专利名称：A VALVE PIN GUIDE AND ALIGNMENT

SYSTEM FOR A HOT-RUNNER IN AN

INJECTION MOLDING APPARATUS

发明人：FISCHER, Jonathon,BABIN, Denis

申请号：EP03766086.7

申请日：20030730

公开号：EP1531977B1

公开日：20070919

摘要：In a manifold, the valve pin has a sealing surface proximate its bottom end,

which surface is engageable with a gate sealing surface to inhibit melt flow into the cavity.

A first guidance and alignment structure is connected to the valve pin, and a second

structure to the mould block upstream from the gate. Both structures include first and

second guide surfaces of a diameter decreasing gradually in a downstream direction and

first and second cylindrical alignment surfaces. The first guide surface is positioned

immediately downstream from the first alignment surface, the second guide surface

immediately upstreams from the second alignment surface. The second guide surface is

positioned to complete alignment of the valve pin with the gate prior to contact between

valve pin and gate. Further, it is positioned to engage the first alignment surface to

maintain the valve pin in alignment with the gate during its movement towards the gate.

申请人：MOLD MASTERS LTD

地址：CA

国籍：CA

代理机构：Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät

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