Ink box air make-up device

An air supplementing unit of ink cartridge is characterized by that said ink cartridge has an air hole communicated with a fixed body which has an air hole covered by an extensible air-tight material. The continuous consumption of ink can generate an incremental negative pressure until the air-tight...

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Bibliographic Details
Main Authors WENZHONG CHEN, QIZHONG XU
Format Patent
LanguageEnglish
Published 12.03.2003
Edition7
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:An air supplementing unit of ink cartridge is characterized by that said ink cartridge has an air hole communicated with a fixed body which has an air hole covered by an extensible air-tight material. The continuous consumption of ink can generate an incremental negative pressure until the air-tight material is pushed to open the hole, so the negative pressure is restored to a proper range and the hole is closed.
Bibliography:Application Number: CN2001130641