发明名称 |
THREADED FASTENER |
摘要 |
A threaded fastener having a threaded portion with a ratio of pitch diameter to minor diameter less than 1.28, and the threaded portion with a mayor diameter portion, a leading flank having a normal angle between 10° and 30°, a trailing flank having a normal angle between 1° and 30° and a shank portion extending between the trailing flank and the leading flank of adjacent threads of a arcuate surface having a radius greater than the thread height. The arcuate surface forming the shank portion may have a radius between 1.2 and 1.8 times the thread height. |
申请公布号 |
WO2012044259(A1) |
申请公布日期 |
2012.04.05 |
申请号 |
WO2011SG00345 |
申请日期 |
2011.10.03 |
申请人 |
INFASTECH INTELLECTUAL PROPERTIES PTE. LTD.;PHUA, CHENG SIONG;KOTHANDARAMAN, SENTHILUKUMARAN |
发明人 |
PHUA, CHENG SIONG;KOTHANDARAMAN, SENTHILUKUMARAN |
分类号 |
F16B35/04;F16B33/02;F16B35/00;F16B39/30 |
主分类号 |
F16B35/04 |
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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