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Title:
DRILL FOR PROCESSING INK CARTRIDGE
Document Type and Number:
WIPO Patent Application WO/2022/116184
Kind Code:
A1
Abstract:
A drill for processing an ink cartridge, comprising a handle (1). A connecting sleeve (2) is provided on the lower end of the handle (1); a drill rod (3) is provided inside the connecting sleeve (2); a connecting stud (4) is provided on the outer surface of the lower end of the handle (1); a connecting pipe (5) is provided on the outer surface of the lower end of the connecting stud (4); a hexagonal connecting rod (6) is provided on the outer surface of the upper end of the drill rod (3); a limiting ring (7) is provided on the outer surface of the drill rod (3); a threaded stud (8) is provided on the outer surface of the lower end of the connecting sleeve (2); a protective casing (9) is provided on the outer surface of the drill rod (3); a fixing ring (10) is provided on the upper end of the protective casing (9); a rotating thread (11) is provided on the inner wall of the fixing ring (10); and a drilling hole line (12) is provided on the outer surface of the lower end of the drill rod (3). According to the drill, a damaged drill rod would be easily replaced, the cost is saved, and the drill rod is protected to prevent the surface of the drill rod from being oxidized and rusted by water vapor in air when being idle for a long time, such that the service life of the drill rod is improved.

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JPS6080873[Title of the device] The tool for work
Inventors:
YANG LIUXI (CN)
Application Number:
PCT/CN2020/134011
Publication Date:
June 09, 2022
Filing Date:
December 04, 2020
Export Citation:
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Assignee:
NANJING LISHUI HIGH TECH VENTURE CAPITAL MAN CO LTD (CN)
International Classes:
B23B45/06; B41J2/175
Foreign References:
CN201151234Y2008-11-19
CN109623012A2019-04-16
CN210548320U2020-05-19
CN203076640U2013-07-24
JP2000079698A2000-03-21
US4617692A1986-10-21
US3437004A1969-04-08
Attorney, Agent or Firm:
NANJING ZHONGLV INTELLECTUAL PROPERTY AGENCY FRIM (GENERAL PARTNERSHIP) (CN)
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