Bead support system for use during tire manufacture

Details Bead support system for use during tire manufacture Bead support system for use during tire manufacture

1991-11-25

1993-09-21

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156135, 156398, 156415, B29D 3032

Patent

active

052465152

ABSTRACT:
A system for movably supporting bead portions of a tire during tire manufacture utilizes a bead support assembly having relatively movable parts that cooperate to define an elongate, outwardly opening groove for receiving and supporting bead portions of a tire. The relatively movable parts include a flexible sheath of material forming a cover that overlies a relatively rigid underlying support. The support gives the groove its shape; however, the cover overlies the support and engages such bead portions as extend into the groove. The cover has an excessively wide central portion that slides freely from side to side through the region of the groove to maintain a point-to-point non-slip type of engagement between the cover and such bead portions as engage the cover, thereby enabling such bead portions as extend into the groove to "rotate" through a limited range of movement without causing malformation or distortion of the bead portions. Central portions of the cover are biased toward a selected side of the underlying support so that, when the cover is not engaged by bead portions of a tire, excess central portion material is caused to move toward the selected side. Interfitting spline formations are provided on the cover and on the support for guiding side-to-side movements of cover relative to the support. The spline formations also serve to prevent movement of cover relative to the support in directions that extend along the groove.

REFERENCES:
patent: 1487033 (1924-03-01), Sloper
patent: 3053308 (1962-09-01), Vanzo et al.
patent: 3184361 (1965-05-01), Allitt
patent: 3347964 (1967-10-01), Sidles
patent: 3486198 (1969-12-01), Lewis
patent: 3794457 (1974-02-01), Gazuit
patent: 4226656 (1980-10-01), Appleby et al.
patent: 4606714 (1986-08-01), Nixon et al.
patent: 4683021 (1987-07-01), Stalter et al.

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