发明名称 |
Strainer improvement |
摘要 |
A strainer blank comprises a flat sheet having a plurality of cutouts including a cutout adapted to define a strainer portion at the apex of a cone formed from the blank. Strainer material positioned over the cutouts defines a convex rear end at the apex which is folded during formation of the conical strainer to form a multi-ply elongated seam which adds strength and provides a surface area for adhesively uniting the strainer material.
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申请公布号 |
US4064053(A) |
申请公布日期 |
1977.12.20 |
申请号 |
US19760747943 |
申请日期 |
1976.12.06 |
申请人 |
LOUIS M. GERSON CO., INC. |
发明人 |
GERSON, RONALD L.;CAPRIO, LAWRENCE A. |
分类号 |
B01D29/085;A47J31/08;B01D35/00;B01D35/28;B01D39/08;(IPC1-7):B01D39/08 |
主分类号 |
B01D29/085 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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