Production of pneumatic tires

Details Production of pneumatic tires Production of pneumatic tires

2006-02-21

2006-02-21

Knable, Geoffrey L. (Department: 1733)

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

C264S315000, C264S326000, C425S031000, C425S033000, C425S038000, C425S058000, C425S058100

Reexamination Certificate

active

07001559

ABSTRACT:
A method of highly efficiently producing pneumatic tires, wherein both bead portions (B) of a green tire (G) are supported by a pair of holders (24, 50) and opposite axial ends of a bladder (25) are tightly attached to the holders (24, 50), respectively. The holders (24, 50) are joined to each other and a fluid is supplied into the bladder (25), to preliminarily inflate the bladder (25) within the green tire (G). The green tire (G) is transferred into a vulcanizer, together with the holders (24, 50) and the preliminarily inflated bladder (25). A heat medium is supplied into the bladder (25), to vulcanize the green tire (G) and form a vulcanized tire (K). The preliminary inflation of the bladder (25) at a location outside of the vulcanizer eliminates or shortens the waiting time within the vulcanizer, thereby improving the overall work efficiency and productivity at a tire factory.

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