Tire building machine drum

Details Tire building machine drum Tire building machine drum

1980-11-05

1982-09-14

Kimlin, Edward C.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156417, B29H 1716

Patent

active

043494064

ABSTRACT:
A contractible tire building drum having segmental cylindrical shoulder rings with flanges at the ends and a stretchable bladder positioned over and between the shoulder rings. Each of the shoulder rings has a primary set of segments and a secondary set of segments alternately spaced around the ring. The primary and secondary sets of segments are retractable from positions in the cylindrical shoulder ring to a nested position radially inward. Guide means are provided to displace the secondary segments in an axial direction during retraction of the segments so that the secondary segments are axially displaced from the primary segments with the flanges of the secondary segments overlapping the flanges of the primary segments.

REFERENCES:
patent: 2655977 (1953-10-01), Hodgkins
patent: 3188260 (1965-06-01), Nebout
patent: 3405023 (1968-10-01), Eckenwiler et al.
patent: 3698987 (1972-10-01), Woodhall
patent: 3778326 (1973-12-01), Gazuit
patent: 3787262 (1974-01-01), Appleby et al.
patent: 3867229 (1975-02-01), Marra

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