Tire band building drum

Details Tire band building drum Tire band building drum

1975-10-10

1977-03-01

Van Horn, Charles E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156126, B29H 1714, B29H 1720

Patent

active

040100596

ABSTRACT:
A tire band building drum for manufacturing a tire band of a carcass structure for a green tire, comprises a drive shaft adapted to be rotatable about a building drum axis and a collapsible drum portion axially covering a predetermined length from the forward end thereof. The collapsible drum portion includes a plurality of first arcuate drum segments circumferentially equi-distantly spaced apart from each other and a plurality of second arcuate drum segments each of which is interposed between the first arcuate drum segments to collectively define the collapsible drum portion surface in a substantially cylindrical form upon building the tire band thereon. The first arcuate drum segments are expanded while the second arcuate drum segments are contracted in inclined relation with the building drum axis for the purpose of facilitating withdrawal of a finished tire band out of the tire band building drum.

REFERENCES:
patent: 2699198 (1955-01-01), Balzhiser
patent: 2936813 (1960-05-01), Haase
patent: 3027289 (1962-03-01), Gitzinger
patent: 3542624 (1970-11-01), Nadler et al.
patent: 3654025 (1972-04-01), Winzer et al.
patent: 3837968 (1974-09-01), Marra
patent: 3915788 (1975-10-01), Hirata et al.

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