Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Tire body building type
Patent
1975-10-23
1977-01-04
Van Horn, Charles E.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Tire body building type
156415, 156420, B29H 1726
Patent
active
040010708
ABSTRACT:
A tire building apparatus comprising an expandible former embodying axially movable former expanding and contracting means to dispose the former in positions defining firm supporting surfaces of different radii, said expanding and contracting means ensuring symmetrical expansion and contraction of the former with respect to a transverse plane of the former. Axially-movable tire bead core locating and supporting means are disposed on opposite sides of said transverse plane. Further means, for example at least one rack and pinion mechanism connecting the two bead core locating and supporting means, is provided to ensure that axial movements of the two bead core locating and supporting means occur symmetrically with respect to said transverse plane. Fluid pressure-actuated means are provided for effecting adjustment of the axial position of said tire bead locating and supporting means independently of the degree of expansion of the former, whereby a desired tensioning of the components of a tire mounted on the former can be achieved while maintaining said components symmetrically disposed on the former with respect to said transverse plane. Means may be provided for varying the pressure of the fluid supplied to said fluid pressure-actuated means so that the tension applied to the tire components can be controlled as desired during shaping of the tire components.
REFERENCES:
patent: 3053308 (1962-09-01), Vanzo et al.
patent: 3188260 (1965-06-01), Nebout
patent: 3654025 (1972-04-01), Winzer et al.
patent: 3674604 (1972-07-01), Gazuit
patent: 3718520 (1973-02-01), Leblond
patent: 3767509 (1973-10-01), Gazuit
patent: 3833444 (1974-09-01), Mallory
patent: 3833445 (1974-09-01), Mallory et al.
patent: 3883387 (1975-05-01), Csatlos
Kittle John E.
National-Standard Company, Limited
Van Horn Charles E.
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