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US 2001/0026703 A1Published application
Filter unit with a rib disposed in a filter recess
AssigneeCanon Kabushiki Kaisha
InventorHideki Kushida
Life of this patent
Estimating the term…
Abstract
The present invention relates to a filter unit comprising a corrugated filter, a casing for containing the filter and a reinforcement member formed by casting a resin material into one recess of the filter at least.
Claims8
A filter unit comprising:
- a corrugated filter;
- a casing for containing the filter;
- and
- a reinforcement member formed by casting a resin material into one recess of the filter at least.
1 more element
Dependencies are inferred from the claim text.