Marker apparatus
OwnerTerence William Boltoninventor
Life of this patent
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Abstract
An apparatus for applying a mark to a substrate, the apparatus comprising a housing (10) for containing a reservoir of marker fluid, a marker fluid retaining nib (12) protruding from one end of the housing and drawing marker fluid from the reservoir, the nib having a marking surface (18,20) contoured by one or more recesses (14) or protrusions, whereby, when the marking surface (18,20) is applied to a substrate an uneven distribution of marker fluid is deposited from the nib (12) onto the substrate resulting in a non uniform mark.
Claims10
1-15. (canceled)
A marker apparatus for applying a mark to a substrate, comprising a housing for containing a reservoir of marker fluid and a fluid absorbent nib which protrudes from one end of the housing and is connected to draw fluid from the reservoir, the apparatus being characterised in that the nib has a surface which is at least partially convex and includes at least one opening which is bordered on all sides by the convex surface of the nib and extends to a position below the nib surface.
Dependencies are inferred from the claim text.