Synthetic resin pen nib

Details Synthetic resin pen nib Synthetic resin pen nib

B - Operations, Transporting

43

K

18/110, 207/58

B43K 1/06 (2006.01) B43K 1/00 (2006.01)

Patent

CA 1227610

Abstract of the Disclosure Thermoplastic synthetic resin pen nib is disclosed, which may suitably be employed in writing instruments for fine lettering or for drawing fine lines. The pen nib is formed of thermoplastic crystalline synthetic resin, e.g. polyethylene terephthalate resin, whose molecules are in a specific mixed crystallization structure obtained by controlling the crystallization. This structure consists essentially of molecularly oriented crystals, non-oriented fine crystals dispersed and grown between the oriented crystals, and remaining amorphous regions, and provides the pen nib with highly improved physical and chemical properties.

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