Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1984-09-24
1986-12-02
Boland, Lois E.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156135, 156398, 156414, 156417, B29D 3026
Patent
active
046263020
ABSTRACT:
A tire carcass (55) is built on a generally cylindrical drum (10) rotatable about an axis (12) by applying green tire components (50) to the cylindrical surface (14) and curved shoulder surfaces (32,34) of the drum (10). The radially inner surfaces (58) of the lower sidewalls (56) of the tire carcass (55) are formed on the surfaces (32,34) of the curved shoulders (28,30) which have a curvature which can be generated as a segment of a conic section which is at an angle other than a right angle to the axis of a cone. The curvature for each of the lower sidewall inner surfaces (58) as measured along a line of intersection (36) of a shoulder surface (32,34) of the drum (10) and a radial plane (A--A) containing the drum axis (12) is decreased from positions (38) adjacent the axially outer edges (40) of the drum (10) to positions (42) on the cylindrical surface (14 ) of the drum. As a result, there is minimum change in the shape of the lower sidewalls (56) during shaping of the tire carcass (55) to the cured shape of the tire.
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patent: 3607558 (1971-09-01), Nebout
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patent: 3787262 (1974-01-01), Appleby et al.
patent: 4425180 (1984-01-01), Samokhvalov et al.
patent: 4445962 (1984-05-01), Felder
Casey William R.
Loser Robert P.
Smith Michael W.
Waibel Terry J.
Boland Lois E.
Lacher Frederick K.
Lewandowski T. P.
The Goodyear Tire & Rubber Company
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