SHARPENER FOR CREATING A FRUSTO-CONICAL TIP

A razor-blade type sharpener for sharpening a writing instrument to provide a frusto-conical tip. The sharpener has a blade carrier that includes a first cutting blade for sharpening the writing instrument to provide a longitudinally tapered portion, and a second cutting blade having a cutting edge...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FREGEOLLE, GERALD PAUL, WONG, WING FAI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES FOR WRITING OR DRAWING ARTICLES FOR WRITING OR DRAWING UPON BUREAU ACCESSORIES BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR IMPLEMENTS FOR WRITING OR DRAWING PERFORMING OPERATIONS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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