Tire building drum

Details Tire building drum Tire building drum

1982-07-01

1984-05-01

Boland, Lois E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156420, 156414, 156417, B29H 1716

Patent

active

044459629

ABSTRACT:
A collapsible tire building drum having a collapsible central cylindrical portion composed of a plurality of drum segments. The outer laterally spaced edges of the drum segments are grooved for connecting annular rings to the respective edges. Each of the annular rings is composed of a plurality of arcuate segments whose profile is the same at the juncture with the drum segments but tapers radially outwardly and upwardly and then curves downwardly and inwardly to provide an off-set under cut portion.

REFERENCES:
patent: Re22369 (1943-08-01), Bostwick
patent: 1913374 (1933-06-01), Dexter
patent: 2168897 (1939-08-01), Bostwick
patent: 2699198 (1955-01-01), Balzhiser
patent: 2715932 (1955-08-01), Frazier
patent: 3366526 (1968-01-01), Winslow

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