FIELD: machine building.
SUBSTANCE: group of inventions relates to a shoulder assembly mounted on an expandable and compressible tire building drum, as well as a expandable and compressible tire building drum. Shoulder assembly comprises a plurality of sections interconnected to form a shoulder ring mounted on the tire building drum when the tire building drum is in an extended state. Shoulder assembly comprises a plurality of magnetic elements located on the surface of the shoulder ring, which are configured to contact the side of the tire building drum. Magnetic elements correspond to the retaining magnetic elements in the tire building drum. Shoulder ring is made with possibility to maintain contact with tire assembly drum during tire carcass formation, and the shoulder ring is configured to maintain its shape so that it remains with the formed tire carcass when the tire building drum is compressed.
EFFECT: higher efficiency of tire carcass assembly.
20 cl, 7 dwg
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|---|---|---|---|
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| TIRE-BUILDING DEVICE | 2000 |
|
RU2223861C2 |
