发明名称 |
Two-piece paper fastener having rounded sides |
摘要 |
A two-piece paper fastener includes a prong base with two prongs extending from two ends of a top surface of the prong base. Each of two sides of the prong base has a first flange folded toward a bottom surface so as to define a rounded side. A compressor with two holes through which the two prongs extend and two retainers are slidably mounted to the compressor. Each of two sides of the compressor has a second flange folded toward a bottom surface of the compressor so as to define a rounded side.
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申请公布号 |
US6217246(B1) |
申请公布日期 |
2001.04.17 |
申请号 |
US20000542828 |
申请日期 |
2000.04.04 |
申请人 |
YU CHUNG CHENG |
发明人 |
YU CHUNG CHENG |
分类号 |
B42F13/08;(IPC1-7):B42D1/00;B30B12/00;B42F3/00;B42F13/06 |
主分类号 |
B42F13/08 |
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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