Invention Grant
- Patent Title: Dust filter bag
- Patent Title (中): 防尘过滤袋
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Application No.: US12299069Application Date: 2007-05-11
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Publication No.: US08097054B2Publication Date: 2012-01-17
- Inventor: Jan Schultink , Ralf Sauer
- Applicant: Jan Schultink , Ralf Sauer
- Applicant Address: BE Overpelt
- Assignee: Eurofilters N. V.
- Current Assignee: Eurofilters N. V.
- Current Assignee Address: BE Overpelt
- Agency: Fay Kaplun & Marcin, LLP
- Priority: DE102006023707 20060519
- International Application: PCT/EP2007/004203 WO 20070511
- International Announcement: WO2007/134734 WO 20071129
- Main IPC: A47L9/14
- IPC: A47L9/14
Abstract:
A dust filter bag is in the shape of a flat bag for a vacuum cleaner, which is formed from a first layer and a second layer made of a weldable material. The layers are welded together circumferentially along the circumference thereof.
Public/Granted literature
- US20090308032A1 Dust Filter Bag Public/Granted day:2009-12-17
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