Interlaced bead lock segments for tire building drum

A method and an apparatus for locking a pneumatic tire carcass ply between a bead pocket (112) of an annular bead lock mechanism (102) and a bead ring (150) in a way that clamps all ply reinforcement cords between the bead pocket (112) and the bead with a uniform clamping pressure is disclosed. The...

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Bibliographic Details
Main Authors PHIPPEN, STEVEN JOHN, CONGER, KENNETH DEAN
Format Patent
LanguageEnglish
French
German
Published 21.06.2006
Subjects
PERFORMING OPERATIONS
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A method and an apparatus for locking a pneumatic tire carcass ply between a bead pocket (112) of an annular bead lock mechanism (102) and a bead ring (150) in a way that clamps all ply reinforcement cords between the bead pocket (112) and the bead with a uniform clamping pressure is disclosed. The bead lock mechanism (102) is expandable from a retracted radius (RR) to a larger expanded radius (RE) by simultaneous radial movement of a plurality of bead lock segments (110) each of which have circumferentially extending fingers (116, 118) that are axially staggered such that the fingers of circumferentially adjacent bead lock segments (110) are interlaced when the bead lock mechanism (102) is expanded to the expanded radius (RE).
Bibliography:Application Number: EP20050112081