Base receptacle for filter cartridge incorporating a peripheral compatibility matrix
A filter assembly employs radially inwardly and outwardly displaced portions of a peripheral roll seam on the cartridge as components of a cartridge compatibility matrix. A substantially annular space, the radial configuration of which varies with the convoluted roll seam, is defined between the rol...
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| Format | Patent |
| Language | English |
| Published |
28.06.2005
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| Online Access | Get full text |
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| Summary: | A filter assembly employs radially inwardly and outwardly displaced portions of a peripheral roll seam on the cartridge as components of a cartridge compatibility matrix. A substantially annular space, the radial configuration of which varies with the convoluted roll seam, is defined between the roll seam and a cylindrical wall of the cartridge end cap. The base includes an axially projecting receptacle wall that terminates in a coded lip to define a receptacle for receiving the cartridge end cap. The cartridge mounting system requires axial reception of the coded lip into the substantially annular space of the filter cartridge. The coded lip is configured to block reception and mating of any filter cartridge whose roll seam defines a substantially annular space of incompatible radial configuration. The number, configuration and location of inwardly and outwardly displaced portions of the roll seam may be varied to provide a variety of unique compatibility matrices. |
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