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

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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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Beschreibung
Zusammenfassung:	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 extending transversely to the first cutting blade for cutting a distal end of the writing instrument t o provide a blunt end portion. Accordingly, the blade carrier is capable of providing a frusto-conical tip having a broad point on a writing instrument, which has been found particularly desirable for crayons. A container for a writing instrument, ea ch including such a blade carrier, are also provided.