0071840-A1 is referenced by 8 patents and cites 5 patents.

A primary forming device (1) for the tire casings (2) in which a forming cylinder (9) is mounted on a single support shaft (8) and is provided with two half-drums (11, 12) slidably mounted with respect to the said shaft (8) and movable toward one another against the thrust of resilient means (52) interposed between them; each half-drum (11, 12) supporting externally a forming air chamber (64) having three lobes or compartments (65, 66, 67), in which all three lobes extend from a single bead (63) which can be secured in position on the associated half-drum, together with a bead (5) of the said casing (2) by expandable clamping means (62).

Primary forming device for tire casings.
Application Number
EP19820106666 19820723
Publication Number
0071840 (A1)
Application Date
July 23, 1982
Publication Date
February 16, 1983
Siegenthaler Karl Jacob
Firestone Tire & Rubber Co
B29H 17/22
B29H 17/16
B29D 30/20
B29D 30/00
B29C 67/00
B29D 30/32
B29D 30/24
B29D 30/00
B29C 67/00
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