发明名称 |
Method of removing stuck sprue and tool for removal therein |
摘要 |
An improved method of removing a stuck sprue from the ejector assembly of an injection molding machine and a tool for use in the method in which the tool has a body with a hollow lower portion having a bottom edge with peripherally spaced indentations, In the method, the tool is first heated to above the melting point of the molding material and the lower end is inserted into the stuck sprue. The tool is cooled to below the melting point of the molding material and then rocked back and forth to free the sprue from the ejector mechanism.
|
申请公布号 |
US5441399(A) |
申请公布日期 |
1995.08.15 |
申请号 |
US19940297260 |
申请日期 |
1994.08.26 |
申请人 |
WEA MANUFACTURING INC. |
发明人 |
CAMPBELL, NORMAN B.;GARCIA, FRANCISCO;DIOSAN, STEFAN |
分类号 |
B29C45/17;(IPC1-7):B29C45/42 |
主分类号 |
B29C45/17 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|