基本信息:
- 专利标题： USING FILM TO PROVIDE A PREFORM FOR MICRO INJECTION MOLDING PROCESS
- 申请号：US16481534 申请日：2018-01-31
- 公开(公告)号：US20190381708A1 公开(公告)日：2019-12-19
- 发明人： Johannes DE BROUWER , Herwig JUSTER , Kenneth Francis LAWSON
- 申请人： SABIC GLOBAL TECHNOLOGIES B.V.
- 国际申请： PCT/IB2018/050606 WO 20180131
- 主分类号： B29C45/00
- IPC分类号： B29C45/00 ; A61M37/00 ; B29C45/26
摘要：
A mold assembly 100 for forming a microneedle array, wherein the mold assembly facilitates expulsion of trapped gasses from the molding system. The mold assembly may comprise a first mold portion 102 comprising a plurality of recesses 104 formed therein, a second mold portion 106 disposed adjacent the first mold portion, wherein a surface of the second mold portion and the plurality of recesses of the first mold portion define a mold cavity, a mold film insert 112 disposed within the mold cavity between the first mold portion and the second mold portion of the mold assembly, the mold film insert comprising a plurality of perforated layers 114, each of the perforated layers comprising a plurality of perforations.
IPC结构图谱:
| B | 作业；运输 |
| --B29 | 塑料的加工；一般处于塑性状态物质的加工 |
| ----B29C | 塑料的成型或连接；塑性状态物质的一般成型；已成型产品的后处理，如修整 |
| ------B29C45/00 | 注射成型，即迫使所需成型材料容量通过注口进入闭合的模型；所用的设备 |