Invention Grant
US07353972B2 Sealing piston for cartridges with de-aeration and barrier properties
失效
密封活塞用于具有透气和阻隔性能的墨盒
- Patent Title: Sealing piston for cartridges with de-aeration and barrier properties
- Patent Title (中): 密封活塞用于具有透气和阻隔性能的墨盒
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Application No.: US10932862Application Date: 2004-09-02
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Publication No.: US07353972B2Publication Date: 2008-04-08
- Inventor: Klaus-Dieter Nehren
- Applicant: Klaus-Dieter Nehren
- Applicant Address: DE Hanau
- Assignee: Heraues Kulzer GmbH & Co. KG
- Current Assignee: Heraues Kulzer GmbH & Co. KG
- Current Assignee Address: DE Hanau
- Agency: Norris McLaughlin & Marcus, PA
- Priority: DE10342090 20030910
- Main IPC: B67D5/52
- IPC: B67D5/52
Abstract:
A cylindrical cartridge for receiving a pasty material, having a sealing piston and a spreading piston insertable into the sealing piston which, sealing piston and spreading piston, when inserted into said cartridge, cooperate to vent air from and seal said cartridge.
Public/Granted literature
- US20050087565A1 Sealing piston for cartridges with de-aeration and barrier properties Public/Granted day:2005-04-28
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