Cap for marking instruments

Coating implements with material supply – Material flows through porous tool – With removable cap for tool

Patent

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Details

401213, B43K 500

Patent

active

049697668

ABSTRACT:
A cap for use with marking instruments having a barrel which carries at one end a marking nib. The cap comprises a generally cylindrical shell which is open at both ends. A conical shaped nib sealing element is disposed within the interior of the shell and spaced from each end thereof. The nib sealing element is adapted to fit over and seal the marking nib and is spaced from the cap shell to permit air to pass therebetween.

REFERENCES:
patent: 3463323 (1967-04-01), Riepe
patent: 3463597 (1969-04-01), Wakai

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