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Patent Searching and Data


Title:
MINIATURE TAP
Document Type and Number:
WIPO Patent Application WO/2018/120273
Kind Code:
A1
Abstract:
A miniature tap, comprising a miniature tap blade member (2). The miniature tap is provided with one or more blade members (2), or one or more spiral blade members, or one or more tapered blade members in a connected or integrated manner. Each blade member (2) has a cutting blade face (9) facing a front end of a cutting direction, a face extending backward from an outer end of the cutting blade face (9) is a rear blade face (11), and the cutting blade face (9) and the rear blade face (11) join to form a cutting blade. The cutting blade face (9) of the miniature tap of the present invention is suitable for applications requiring favorable strength at the millimeter-scale; at the millimeter scale, the strength of the cutting blade of the miniature tap is improved by more than 50 percent, and the average pressure that a cutting face of the miniature tap can withstand can be improved by more than 50 percent.

Inventors:
LI, Shiqing (Zhangzhuang Cinema, XinwenXintai, Shandong 9, 271219, CN)
Application Number:
CN2017/000728
Publication Date:
July 05, 2018
Filing Date:
December 11, 2017
Export Citation:
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Assignee:
LI, Shiqing (Zhangzhuang Cinema, XinwenXintai, Shandong 9, 271219, CN)
International Classes:
B24B3/18; B23G5/06
Foreign References:
CN103372692A2013-10-30
CN103737076A2014-04-23
CN101607327A2009-12-23
JP2008073774A2008-04-03
JPH11245119A1999-09-14
CN104470665A2015-03-25
CN1418749A2003-05-21
CN2090747U1991-12-18
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