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Title:
HIGH-RESILIENCE DART AND PROCESSING TECHNOLOGY THEREOF
Document Type and Number:
WIPO Patent Application WO/2015/120660
Kind Code:
A1
Abstract:
A high-resilience dart comprises a dart shaft, a dart barrel, a dart flight connected to the tail end of the dart shaft, and a dart needle connected to the front end of the dart barrel. The dart needle is made of nickel-titanium alloy material and has the maximum diameter of 1-1.5 millimeters. Processing steps of the dart are also provided.

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Inventors:
LI, Yingni (5th Floor, Building 8 Countyard 9,Zhoumen Road, Liwan Distric, Guangzhou Guangdong 6, 510176, CN)
Application Number:
CN2014/075228
Publication Date:
August 20, 2015
Filing Date:
April 12, 2014
Export Citation:
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Assignee:
LI, Yingni (5th Floor, Building 8 Countyard 9,Zhoumen Road, Liwan Distric, Guangzhou Guangdong 6, 510176, CN)
International Classes:
A63B65/02
Foreign References:
CN1945199A2007-04-11
CN203315698U2013-12-04
GB2026332A1980-02-06
US20080090684A12008-04-17
JPH03193070A1991-08-22
Other References:
See also references of EP 3037138A4
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