Tire mold for forming tire without exhaust hole

• Main Authors: PIERRE CYNTHIA J. A. G, WENDHAUSEN MAURICE J. Y
• Format: Patent
• Language: Chinese; English
• Published: 16.05.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; 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

A tire mold (1) is disclosed having one or more movable elements to move the tire mold (1) from an open position to a closed position. The tire mold (1) comprises an actuating ring (31), a top plate (25) and a bottom plate (23), upper and lower side members (7, 9), a plurality of mold segments (19) and a slider (27). The upper and lower side members (7, 9) and the plurality of mold segments (19) define a mold cavity. The tyre mould (1) further comprises a vacuum device for removing gas from the mould cavity upon its activation. The tire mold (1) has a sealing arrangement comprising one or more closure sealing members (39, 41, 43, 45, 47) configured to mate with its associated mating surfaces to seal the mold cavity by contact with each other, the closure sealing members (39, 41, 43, 45, 47) being configured to engage with the mating surfaces associated with the closure sealing members (39, 41, 43, 45, 47). The one or more closure sealing members and associated mating surfaces are movable relative to each othe