发明名称 |
SELF-VENTING INK CARTRIDGE |
摘要 |
A self-venting cartridge (10) for dispensing an extrudable fluid such as ink . The cartridge (10) comprises a cylindrical body (12) for holding the fluid a nd a plunger (18) for forcing the fluid through a nozzle. The cylindrical body (12) is formed of a wound material and lined internally with a liner materia l that overlaps itself to form a raised area (34) that is slightly thicker tha n the surrounding area. The plunger (18) comprises a slightly convex surface (36) and a sidewall (40) that forms a snug fit with the cylindrical body (40 ). The plunger sidewall (40) and raised area (34) define a channel (A) through which air is automatically vented when the plunger (18) is inserted into the fluid-filled cartridge (10).
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申请公布号 |
CA2464129(A1) |
申请公布日期 |
2003.05.15 |
申请号 |
CA20022464129 |
申请日期 |
2002.10.21 |
申请人 |
SONOCO DEVELOPMENT, INC. |
发明人 |
LOWRY, JAMES;HODGE, WYLIE;LAWSON, REBECCA |
分类号 |
B67D7/60;B41J2/175;(IPC1-7):B65D88/54 |
主分类号 |
B67D7/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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