Holding plate for a vacuum cleaner filter bag
AssigneeEurofilters Holding N.V.
InventorsJan Schultink, Ralf Sauer
Life of this patent
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Abstract
The invention relates to a holding plate for a vacuum cleaner filter bag having a bag wall, the holding plate including a base plate made of a first plastic material with a passage opening, and a connecting element that is connected to the base plate by a material bond and is made of a second plastic material, for connecting the base plate to the bag wall by a material bond, in particular by means of ultrasonic welding, characterized in that the connecting element is arranged on the side of the base plate that is to be connected to the bag wall.
Claims17
A holding plate for a vacuum cleaner filter bag with a bag wall, the holding plate comprising:
- a base plate comprising a first plastic material, wherein the base plate comprises a passage opening, and one or several energy directors for ultrasonic welding on the side to be connected to the bag wall;
- a connecting element comprising a second plastic material connected to the base plate by a material bond, the second plastic material being different than the first plastic material, the second plastic material comprising an injectable material so that the connecting element is injected to the base plate, the connecting element for connecting the base plate to the bag wall by a material bond;
- wherein the connecting element is arranged on a side of the base plate to be connected to the bag wall so that the connecting element is positioned between the base plate and the bag wall when the holding plate is connected to the bag wall,
- wherein the holding plate is an injection-molded part.
Dependencies are inferred from the claim text.