Adjustable tire building drum

Details Adjustable tire building drum Adjustable tire building drum

1983-12-29

1985-10-15

Boland, Lois E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156420, 156133, B29H 1716

Patent

active

045472513

ABSTRACT:
An adjustable tire building drum is disclosed for use during strip winding of OTR tire treads having nine replaceable segments with interfitting fingers extending circumferentially to define a rigid generally cylindrical shell whose diameter and axial length may readily be adjusted for a wide variety of different tire sizes. A unique precision actuating mechanism is provided for adjusting the segments radially including a heavy cantilever link and an associated stabilizing arm for each segment which maintains rigidity even when the segmental shell is expanded 90 to 100 percent.

REFERENCES:
patent: 3645818 (1972-02-01), Frazier
patent: 3787262 (1974-01-01), Appleby et al.
patent: 3959064 (1976-05-01), Touchette
patent: 4220494 (1980-09-01), Kawaida et al.

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