Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Philip Jonathan Stephens0
Stephen Farrar Smith0
Date of Patent
January 1, 2019
0Patent Application Number
151819800
Date Filed
June 14, 2016
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A diffuser includes a plastics baffle which has an air inlet end, an air outlet end and an outwardly tapering wall extending between the air inlet end and the air outlet end, and which defines a diffusing air chamber. A plurality of circumferentially spaced weld ribs is upstanding from the air outlet end. A plastics grille has a plurality of air outlets and an annular shelf to which the weld ribs of the baffle are ultrasonically welded.
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