Paper filter for a device for preparing coffee or tea extracts
OwnerRainer Dolfel, Hans-Dieter Olthausinventors
Life of this patent
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Abstract
A generally funnel shaped paper filter for use in a filter device for preparing coffee or tea extracts. The paper filter has a flattened, folded state and an open, unfolded state for use and includes two facing panels joined at lateral sides thereof to define opposite lateral paper filter edges and joined at bottom sides thereof to define a paper filter bottom; an upper edge forming part of each panel and defining a paper filter opening; and an embossed line provided in each panel for stabilizing the paper filter in its open state.
Claims8
A generally funnel shaped paper filter for use in a filter device for preparing coffee or tea extracts;
- said paper filter having a flattened, folded state and an open, unfolded state for use;
- said paper filter comprising
- (a) two facing panels joined at lateral sides thereof to define opposite lateral paper filter edges and joined at bottom sides thereof to define a bottom edge of the paper filter;
- (b) an upper edge forming part of each panel and defining a paper filter opening;
- and
- (c) an embossed line provided in each said panel for stabilizing said paper filter in said open state.
Dependencies are inferred from the claim text.