MOLD FOR MOLDING TYRE

PURPOSE:To make changing of the tread patterns and the width of tyres easier by forming the tread ring for L-type range removable against the main part. CONSTITUTION:The main part 12 of the upper mold 15 has the mounting groove 12a of trapezoid section, outside of which a large number of protruding...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	UEMURA YUKIHISA, ARIMA MICHIYOSHI, ODA KEISHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To make changing of the tread patterns and the width of tyres easier by forming the tread ring for L-type range removable against the main part. CONSTITUTION:The main part 12 of the upper mold 15 has the mounting groove 12a of trapezoid section, outside of which a large number of protruding legs 12b are fixed with bolts to the lower face of elevator-type support block 11 of upper mold, while the bead ring 13 is fixed with bolts penetrating through from the top downward the upper mold support block 11 and the main part 12 to the central portion of main part 12, and the removable shoulder side section 14a of the tread ring 14 of L-type section is inserted forcefully into the mounting groove 12a cut on the outer circumference of main body 12. On the other hand, the removable shoulder side section 19a of the tread ring 19 is inserted forcefully into the mounting groove 17a cut on the outer circumference of main part 17 to form up the mold.