Recyclable cartridge
The invention belongs to the technical field of stationery products and particularly discloses a recyclable cartridge. The recyclable cartridge comprises a nib and an oil tube and is characterized in that an elastoplastic ball is arranged on a sealing oil layer in the oil tube; and a ball retaining...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The invention belongs to the technical field of stationery products and particularly discloses a recyclable cartridge. The recyclable cartridge comprises a nib and an oil tube and is characterized in that an elastoplastic ball is arranged on a sealing oil layer in the oil tube; and a ball retaining board in fit sealing with the elastoplastic ball is arranged on the inner wall of the oil tube close to the nib. The recyclable cartridge is simple in structure, convenient for use, durable and beneficial to saving resources, protecting the environment and enhancing environmental awareness of people. |
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