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Artur Fischer
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Artur Fischer was a German inventor. He is best known for inventing an expanding plastic version of the wall plug.
Fischer invented wall plugs to hold screws (not all of Fischer Brand)
Fischerwerk in Tumlingen, Waldachtal in the Black Forest.
Wall
plug
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A wall plug also known as an anchor or rawlplug, is a fibre or plastic insert used to enable the attachment of a screw in a material that is porous or brittle, or that would otherwise not support the
Plastic wall plugs
Diagram from Rawlings' 1911 patent