Method for fabricating a funnel, tool for carrying out said method, funnel, and receptacle containing a funnel
AssigneeMichael Hoerauf Maschinenfabrik GmbH U. Co. KG
InventorsUwe Messerschmid, Holger Aubele, Werner Stahlecker
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Abstract
The invention relates to a method for fabricating a funnel, a tool for carrying out said method, and a funnel of flat material, more particularly of plastic-coated paper. The invention further relates to a receptacle for a pulverulent and/or liquid medium, comprising a funnel disposed in a pouring or discharging region. According to the invention, a blank of flat material is shaped to a funnel-shaped sleeve (3) having an outlet opening (30), an inlet opening (31), and an opening angle (α) and the funnel-shaped sleeve (3) is swaged in at least one subregion to effect enlargement of the opening angle (α).
Claims18
A method for the fabrication of a funnel from flat material, wherein a blank of flat material is shaped to form a funnel-shaped sleeve (3) comprising an outlet opening (30), an inlet opening (31), and an opening angle (α), characterized in that the funnel-shaped sleeve (3) is swaged in at least one subregion (32) to effect enlargement of the opening angle (α).
A funnel of flat material, more particularly plastic-coated paper, which funnel (1) has a substantially cylindrical outlet region (12).
Dependencies are inferred from the claim text.