Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Tire body building type
Patent
1990-05-25
1991-11-19
Hoag, Willard
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Tire body building type
279 2R, B29D 3024
Patent
active
050663542
ABSTRACT:
A radially expandable and contractable tire building drum has a drawbar positioned along the centerline of the drum, a slidable cone fixed to the drawbar, and a plurality of slides connected to the cone and extending in a radial array therefrom. The slides are guided for motion only radially toward and away from the centerline. Each slide carries a corresponding drum segment having an arcuate outer surface, and the surfaces of the segment cooperate to form a cylindrical building surface on the drum exterior. Motion of the drawbar along the centerline cause the conical adjusting member to move the slides concurrently in a radial direction, expanding or contracting the building surface. Edges of the drum segments arcuate surfaces include scallops, as in the form of tongues and corresponding cavities, which cooperate as the drum segments move outward to maintain some surface continuity lengthwise of the drum building surface.
REFERENCES:
patent: 3125482 (1964-03-01), Niclas et al.
patent: 3442747 (1969-05-01), Brey
patent: 3817812 (1974-06-01), Yabe
patent: 3873398 (1975-03-01), Yokoo et al.
patent: 4812197 (1989-03-01), Wright
patent: 4855008 (1989-08-01), Terrado
Cooper Tire and Rubber Company
Hoag Willard
Nauman Joseph G.
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