IMPROVEMENTS IN OR RELATING TO MOULDS

A multi-piece mould, and a method of constructing it, for moulding wire reinforced rubber articles; the mould comprises material having a greater coefficient of expansion than said wire, and having a gasket of thermoplastic material which soften at the temperature of moulding, provided between at le...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GEORGE ATKINS, PHILIP JOHN EVANS
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS 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:	A multi-piece mould, and a method of constructing it, for moulding wire reinforced rubber articles; the mould comprises material having a greater coefficient of expansion than said wire, and having a gasket of thermoplastic material which soften at the temperature of moulding, provided between at least two adjacent mould pieces, whereby during moulding the gasket is caused to flow by the expanding mould pieces and thereby compensate for the expansion of the mould material, of which the following is a specification.