Dust filter
A dust filter for a ducted air delivery system comprising, a frame ( 3 ) defining an open mouth ( 4 ), the frame having a body portion ( 13 ) formed of rubbery thermoplastics material reinformed with one or more stiffening elements ( 19 ), a filter material ( 5 ) extending from the sides of the fram...
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| Format: | Patent |
| Sprache: | eng |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | A dust filter for a ducted air delivery system comprising,
a frame (
3
) defining an open mouth (
4
), the frame having a body portion (
13
) formed of rubbery thermoplastics material reinformed with one or more stiffening elements (
19
),
a filter material (
5
) extending from the sides of the frame to cover the open mouth,
an integral lip (
9
) of flexible resilient material extending outwardly from the body portion, the integral lip being less than half the thickness of the body portion over most of its extent, and
wherein the lip of flexible resilient material is shaped so that it may make a friction fit within the outlet of a duct to hold the dust filter therein. |
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