Pressurized cartridge for a writing instrument

Details Pressurized cartridge for a writing instrument Pressurized cartridge for a writing instrument

B - Operations, Transporting

43

K

207/46, 207/50

B43K 5/14 (2006.01) B43K 7/035 (2006.01)

Patent

CA 1151114

A PRESSURIZED CARTRIDGE FOR A WRITING INSTRUMENT Abstract A writing instrument cartridge contains a loose fitting ball follower disposed within the cartridge between an end of a column of paste like ink exhibiting a yield value, and compressed gas contained in a sealed end of the cartridge. The ball follow- er is adapted to help peel the ink from the tube walls without contact and to prevent the gas from channeling through the ink and escaping from the cartridge past a ball point or nib during writing. -1-

351890

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