US 6,669,457 B2Granted

Dismountable toroidal support for tire manufacture

AssigneePirelli Pneumatici S.p.A.

InventorsOsvaldo Scarzello, Maurizio Marchini

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Abstract

A dismountable toroidal support for Tire manufacture includes a plurality of sectors, a flange, a counter-flange, and engagement devices. The sectors are aligned around a reference axis to define an outer surface reproducing an inner conformation of a Tire. The flange carries at least one attachment member for engagement with a handling device. The counter-flange can be operatively linked with the flange. The engagement devices can fixedly hold the sectors between the flange and the counter-flange. Each of the sectors has a main body with a substantially U-shaped outline which is delimited between an outer side defining an outer surface and an inner side facing the reference axis. The engagement devices include at least one attachment plate radially projecting from a respective inner side substantially in a plane normal to the reference axis and adapted to be removably engaged at a position axially interposed between the flange and the counter-flange.

Claims11

Dependent claims

A dismountable toroidal support for tyre manufacture, comprising:

a plurality of sectors circumferentially aligned around a geometric reference axis to define an outer surface substantially reproducing an inner conformation of a tyre being processed;
a flange carrying at least one attachment member for engagement with a handling device;
a counter-flange to be operatively linked with the flange at an axially-opposite position;
and
engagement devices for fixedly holding the sectors between the flange and the counter-flange;
wherein each of the sectors has a main body with a substantially U-shaped outline, seen in cross-section, which is delimited between an outer side defining an outer surface and an inner side facing the geometric reference axis, and
wherein the engagement devices comprise, for each of the sectors, at least one attachment plate radially projecting from a respective inner side substantially in a plane normal to the geometric reference axis and adapted to be removably engaged at a position axially interposed between the flange and the counter-flange.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 09/959,245Filed 22 Oct 2001 · us provisional application
Priority: EP 0083012121 Feb 2000
Published: US 2003/0157209 A121 Aug 2003
Granted: 30 Dec 2003
Term ends: Not estimatedThe source records don’t support an estimate.

Classification3 codes

B29D 30/0661
Vulcanising tyres; Vulcanising presses for tyres: rigid cores therefor, e.g. annular or substantially toroidal cores
B29D 30/12
On round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre: cores
B29D
Producing particular articles from plastics or from substances in a plastic state