Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2006-09-05
2006-09-05
Knable, Geoffrey L. (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S131000, C156S135000, C156S398000, C156S402000, C156S415000
Reexamination Certificate
active
07101451
ABSTRACT:
A tire building drum with a turn-up device for production of unvulcanized tires, consisting of a horizontally disposed central bearing hollow shaft (1) with a driving spindle extending through the centre of the bearing hollow shaft, around which there are arranged two sets of lever arms (26) with rollers (27), between which a mechanism for supporting bead wires from both sides is located at both sides of a vertical symmetry plane, the mechanism consisting of: an axially movably arranged first guiding disc (21) with radially movably arranged clamping bead segments (33), adapted to cooperate with a mechanism for controlling radial lift of clamping bead segments (33), and an axially movably arranged second guiding disc (34) with radially movably arranged supporting bead segments (32), adapted to cooperate with a mechanism for controlling radial lift of the supporting bead segments (32), wherein the clamping bead segment (33) is provided with a space (3) for receiving supporting arms (9, 9a) with a bridge (11) of the supporting bead segment (32) and a bearing surface (7) for simultaneous radial lift of the supporting bead segment (32) with the radial lift of the clamping bead segment (33) by the mechanism for controlling radial lift of the clamping bead segments (33). The invention provides also a method of production of green tyres using this tyre building drum.
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Bakoś {hacek over (S)}tefan
Janovec Mário
{hacek over (Z)}emla Jozef
Knable Geoffrey L.
Matador A. S.
Ohlandt Greeley Ruggiero & Perle LLP
Rauchfuss, Jr. George W.
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