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Patent Searching and Data


Title:
PRINT CARTRIDGE
Document Type and Number:
WIPO Patent Application WO/2018/157594
Kind Code:
A1
Abstract:
A print cartridge, comprising a housing (1) and an ink outlet apparatus (2), and further comprising a first partition wall (3) which partitions an inner cavity of the housing (1) into an ink cavity (6) and a communication cavity (12). The ink cavity (6) and the communication cavity (12) are communicated by means of a first communication passage (8). A buffer cavity (9) is provided in the communication cavity (12). An opening (14) on the buffer cavity (9) is communicated with the first communication passage (8) by means of the communication cavity (12). A buffer cavity (7) and an air-liquid exchange apparatus are provided in the buffer cavity (9), and the buffer cavity (7) is located above the air-liquid exchange apparatus. A first air guiding passage (4) is provided in the housing (1) and communicates outside air with the buffer cavity (7). The air-liquid exchange apparatus has a capillary passage (40). The buffer cavity (7) is communicated with the opening (14) by means of the capillary passage (40). The print cartridge of the present invention has stable performance, a simple structure, good printing smoothness, large ink volume, and small residual amount of ink, and reduces waste and environmental pollution.

Inventors:
WANG LIPING (CN)
ZHOU XINGFU (CN)
WANG LIJUAN (CN)
Application Number:
PCT/CN2017/103906
Publication Date:
September 07, 2018
Filing Date:
September 28, 2017
Export Citation:
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Assignee:
ZHOU XINGFU (CN)
International Classes:
B41J2/175
Foreign References:
CN107128071A2017-09-05
CN2918067Y2007-07-04
CN1182680A1998-05-27
CN201776988U2011-03-30
JP2012011662A2012-01-19
US20030122909A12003-07-03
Attorney, Agent or Firm:
YINKE PATENT & TRADEMARK AGENT (SHANGHAI) LTD. (CN)
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