Assembly drum for the manufacture of tires

Details Assembly drum for the manufacture of tires Assembly drum for the manufacture of tires

2006-01-10

2006-01-10

Knable, Geoffrey L. (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

C156S415000, C156S417000

Reexamination Certificate

active

06983782

ABSTRACT:
The invention relates to a radially expandable assembly drum (1) for the manufacture of tires, said drum having a body mounted on a central shaft (2) having a generally cylindrical central surface for receiving the products to be assembled and ends of different diameters, the drum comprising a lifting device (20, 21) located at each end of the body of the drum having a cylindrical outer receiving surface (221, 231) for products to be assembled, characterized in that the lifting device (21) arranged close to the end of lesser diameter is radially displaceable relative to the body (10) of the drum (1) between a position wherein its surface (231) has substantially the same diameter as that of the central surface of the body (10) and a position wherein its surface (231) has a diameter less than that of the central surface of the body (10), the radial displacement of this lifting device (21) being synchronized with the radial expansion of the drum (1).

REFERENCES:
patent: 3016321 (1962-01-01), Beckadolph et al.
patent: 3418192 (1968-12-01), Nadler
patent: 4470867 (1984-09-01), Carretta et al.
patent: 5301728 (1994-04-01), Brown et al.
patent: 6250356 (2001-06-01), Cordaillat et al.
patent: 6506274 (2003-01-01), Evangelista et al.
patent: 1 729 606 (1972-05-01), None
patent: 0 953 434 (1999-11-01), None
International Search Report PCT/EP01/12453, completed Feb. 11, 2002.

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