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US 4,226,268 AGranted
Funnel
AssigneeWalther & Cie Aktiengesellschaft
InventorNorbert Wasser
Life of this patent
Estimating the term…
Abstract
A funnel includes an upper portion which comprises at least two separate parts separably connected to each other so as to define a first interior and lower portion defining a second interior. The first and lower portions are sealingly and separably connected to each other so that the first and second interiors thereof define together the interior of the funnel.
Claims12
A funnel for collecting dust from a filter comprising a body having a plurality of walls;
- said walls being sloped in the vertical direction and connected to each other to form the inlet and the outlet of the funnels, said body including an upper portion and a lower portion, said upper portion including at least two separate parts and being formed with flanges at a lower end thereof, said flanges extending traversally outwardly from each wall forming said upper portion, and said lower section being formed with flanges at its upper end, said flanges extending transversely outwardly from each wall forming said lower portion to meet said flanges of the upper portion, said flanges of said upper portion being screwed to said flanges of said lower portion.
Dependencies are inferred from the claim text.