发明名称 |
Method of molding a sewing machine frame of fiber reinforced composition |
摘要 |
A sewing machine bed having main and open channel sections is molded of glass reinforced thermosetting plastic composition which is injected into the mold through a side gate located opposite the juncture of the main and channel sections providing advantageous fiber orientation resulting in dimensional stability and freedom from warpage.
|
申请公布号 |
US4493808(A) |
申请公布日期 |
1985.01.15 |
申请号 |
US19820384846 |
申请日期 |
1982.06.04 |
申请人 |
THE SINGER COMPANY |
发明人 |
SEDLATSCHEK, ROBERT;MCGANN, LEO E. |
分类号 |
B29C35/00;B29C45/00;B29C45/27;B29C57/00;B29K105/10;B29L31/00;D05B73/00;D05B73/04;F16M5/00;(IPC1-7):B29D3/02 |
主分类号 |
B29C35/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|