Disk, in particular the front disk of a filter element
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 11, 2000
Grant Date -
N/A
app pub date -
Oct 19, 1998
filing date -
Feb 20, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A combination disc and sealing ring for a filter assembly is provided. The disc is an annular thermoplastic disc having a central aperture. The disc includes an upper side and a lower side and the upper side of the disc includes an annular thickened area that extends upward from the upper side of the disc and that is spaced radially outward from the aperture of the disc. The annular thickened area is thermally welded to a sealing ring. The height of the annular thickened area is at least one-third the height of the sealing ring. The sealing ring further includes a central aperture that has a common axis with the central aperture of the disc. The sealing ring also includes a compressible area radially disposed between the aperture of the sealing ring and the annular thickened area of the disc.
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