VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG EINES REIFENS

• Main Authors: WEYLAND, HARLEY P. JR, LOEFFLER, EARL F
• Format: Patent
• Language: English; German
• Published: 15.10.1989
• Edition: 4
• 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

The present invention discloses a tire building apparatus (10) and preferred method for building a tire. The apparatus includes a longitudinally movable carriage (12), a guideway (20) for the longitudinal movement of the carriage, a headstock (14) mounted on the carriage, a tire assembly drum (11) having an inboard end (29) and an outboard end and a drum support (15) mounted on the carriage. A plurality of operation stations (A-G) are spaced longitudinally along the guideway, and mechanical datum fixedly located at each operation station, are provided to engage mechanical locators secured to the carriage. A bladder is provided selectively to cause engagement of the locators with the mechanical datum at each successive station to locate the tire assembly drum precisely with respect to the operation station. The apparatus further includes means to swing the drum support pivotally between an active and passive position, respectively to engage and disengage a bearing assembly with the hub of the drum, a tailstock (142) movable along a guideway (145) and onto the longitudinally movable carriage, grab segments (186) mounted on the tailstock selectively to deposit and remove ' annular assemblies from the drum, and a stitcher mounted on the carriage.