Pen point made of inorganic material

Details Pen point made of inorganic material Pen point made of inorganic material

B - Operations, Transporting

43

K

207/28

B43K 1/00 (2006.01) B28B 3/20 (2006.01)

Patent

CA 2033974

Abstract A pen point made of an inorganic material, which is free of restrictions on the viscosity of ink and the particle diameter of pigment to be used, excellent in buckling strength, highly resistant to wear and solvent, and capable of mass production at low cost. It has such a structure that a mixture of fine particles of metal or ceramic with a binder is extruded, degreased, and sintered to form a continuous piece having a uniform cross-section and provided with through holes of various profiles along its axis permitting capillary movement of ink and grooves for ink passage with one end thereof forming a part of the surface sharpened at its tip to be used mainly for writing.

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