Non-collapsible tire building drum

Details Non-collapsible tire building drum Non-collapsible tire building drum

1991-01-22

1992-09-22

Knable, Geoffrey L.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

B29D 3024

Patent

active

051493900

ABSTRACT:
A novel non-collapsible tire building drum is provided herein. The drum is a cylindrical tire building drum consisting of: non-inflatable, non-collapsible, rigid, non-reactive, vulcanization-resistant, unreinforced, synthetic thermoplastic material shell, the shell being of the same diameter between its two axial ends and also providing a smooth surface between its two axial ends, the shell having a particular specified uniform cylindrical shape, and a central, axially-longitudinally-extending core of a non-circular cross-section. The core is specially adapted for mounting the cylindrical tire building drum on a rotatable, axially-longitudinally-extending shaft of a conventional tire building machine. The core has a plurality of integral, fixed-length, rigid, non-movable, radially-outwardly-projecting, axially-longitudinally-extending ribs, the ribs projecting radially between the core and the shell, each such rib being connected to its associated face of the central core and to the shell of the cylindrical tire building drum at a thickened area of greater cross-sectional area than the cross-sectional area of the other portions of each rib at both side faces of each rib, thereby to provide rugged reinforcement areas. The cylindrical tire building drum has an axially-longitudinally-extending length which varies from about 1 foot to about 20 feet.

REFERENCES:
patent: 558327 (1896-04-01), Tower
patent: 969131 (1910-08-01), Cobb
patent: 3151013 (1964-09-01), Nebout
patent: 4060445 (1977-11-01), Houck et al.
patent: 4090909 (1978-05-01), Christie et al.
patent: 4511184 (1985-04-01), Schauf et al.
patent: 4636277 (1987-01-01), Owen et al.

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