Pencils and Methods for Their Production

Pencils having a core within a barrel, the barrel being formed from a blend of at least two transparent polymers which are incompatible and form separate phases within the blend, the polymers having refractive indices which differ by not more than 0.02 when measured under substantially the same cond...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BOURGEOIS YANN, GOLLIER PAUL ANDRE, MAY BRONISLAV H, RACHIDI SAID
Format:	Patent
Sprache:	eng
Schlagworte:	BUREAU ACCESSORIES HAIRDRESSING OR SHAVING EQUIPMENT HAND OR TRAVELLING ARTICLES HUMAN NECESSITIES IMPLEMENTS FOR WRITING OR DRAWING MANICURING OR OTHER COSMETIC TREATMENT PERFORMING OPERATIONS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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