Liquid purification or separation – With repair or assembling means
Reexamination Certificate
2005-08-09
2005-08-09
Savage, Matthew O. (Department: 1724)
Liquid purification or separation
With repair or assembling means
C210S248000, C210S440000, C210S441000, C210S457000
Reexamination Certificate
active
06926825
ABSTRACT:
The invention relates to a fluid filter, especially an oil filter for an internal combustion engine, comprising a filter housing and a central, approximately tubular component which extends into the interior of the filter, said central component engaging in the operating position a projection located on the filter housing and permanently retained in the filter housing, said component being disengageable from said projection and nondestructively removable in said disassembly position from the filter, the component being rotatably mounted around its longitudinal axis within the filter housing, a retaining component (10) being arranged in rotatably restricted fashion within the filter housing, which retaining component in its operating position surrounds and fixes the central component by means of a clamping or locking interference fit, and the central component being rotatable in its disassembly position when the clamping or locking force is exceeded.
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Ing. Walter Hengst GmbH & Co. KG
Lahive & Cockfield LLP
Savage Matthew O.
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