Tyre drum with turn-up mechanism for building an...

Details Tyre drum with turn-up mechanism for building an... Tyre drum with turn-up mechanism for building an...

2008-01-08

2008-01-08

Knable, Geoffrey L. (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

C156S415000

Reexamination Certificate

active

10531130

ABSTRACT:
A tyre drum has a central shaft, two ring segments around the shaft and spaced apart for supporting bead cores and, on either side outside of the ring segments, sets of axially extending arms having free ends with first turn-up means, particularly a turn-up roller, opposite second ends hinged to an axially shiftable arm support and, near the free end, a tyre component support roller rotatable on the arm. A shifter shifts the arm supports to move the second ends axially towards each other and tilt the arms in radial planes from the initial position to a tilting position for the first ends to press tyre components outside of the ring segments against an expanded part of the tyre components within the ring segments.

REFERENCES:
patent: 6318434 (2001-11-01), Gutknecht et al.
patent: 2002/0104620 (2002-08-01), Sala
patent: 98/52740 (1998-11-01), None
patent: 01/68356 (2001-09-01), None

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