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 (CN)
Application Number:
PCT/CN2014/075228
Publication Date:
August 20, 2015
Filing Date:
April 12, 2014
Export Citation:
Assignee:
LI YINGNI (CN)
International Classes:
A63B65/02
Foreign References:
| CN1945199A | 2007-04-11 | |||
| CN203315698U | 2013-12-04 | |||
| GB2026332A | 1980-02-06 | |||
| US20080090684A1 | 2008-04-17 | |||
| JPH03193070A | 1991-08-22 |
Other References:
See also references of EP 3037138A4
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