B29D2030/3078

TIRE-PRODUCING FACILITY PROVIDED WITH TOOL-FOLLOWING LINKAGES
20240424755 · 2024-12-26 ·

The installation is intended for the manufacture of tires, and includes a work area with a drum, a magazine provided with a support carrying a plurality of laying tools, and a manipulator robot. The manipulator robot is arranged to selectively grasp a laying tool waiting in the magazine and bring the laying tool to the drum and then return the laying tool to the magazine and detach itself from said laying tool. Several of the laying tools are each carried by an articulated compass. The compass includes a barrel that is attached to the support and orientable in yaw, a first arm which is attached to the barrel by a first pivot connection of horizontal axis, and a second arm. The second arm is articulated on the first arm by a second pivot connection of horizontal axis and whose free end is attached to the laying tool.

DEVICE AND METHOD FOR FORMING SHEET-LIKE RUBBER

The sheet-like rubber forming device has a die body which has an opening having a predetermined cross sectional shape, and a variable die lip which is arranged in a front side of the die body and can change the height of the opening. The variable die lip is constructed by a first movable body and a second movable body. The die lip control unit controls the variable die lip so as to drive the first movable body in an opening direction from a state in which the first movable body and the second movable body are closed when the forming is started, hold the positions of the first movable body and the second movable body after reaching a predetermined height, and drive the second movable body in a closing direction when the forming is finished.

Device and method for forming sheet-like rubber

The sheet-like rubber forming device has a die body which has an opening having a predetermined cross sectional shape, and a variable die lip which is arranged in a front side of the die body and can change the height of the opening. The variable die lip is constructed by a first movable body and a second movable body. The die lip control unit controls the variable die lip so as to drive the first movable body in an opening direction from a state in which the first movable body and the second movable body are closed when the forming is started, hold the positions of the first movable body and the second movable body after reaching a predetermined height, and drive the second movable body in a closing direction when the forming is finished.

Apparatus for forming an elastomeric strip

An apparatus for applying a strip of elastomeric material to a surface, the apparatus comprising: a nozzle having an inlet in fluid communication with a pumping means, said nozzle having an upper surface and a lower surface, wherein the lower surface has a curved shape for mating engagement with an outer surface of a rotatable roller, said lower surface having an opening positioned for engagement with the roller outer surface.

Process for building tyres for vehicle wheels

In a process for building tyres for vehicle wheels, at least one tread band (9) or other elastomeric component of a tyre (2) is made by applying at least one continuous elongated element (14) according to a plurality of turns (C) around a forming drum (15) rotating around a geometric rotation axis (X) thereof. The continuous elongated element (14) is made by the action of extruding a first material through an extrusion nozzle (16), to form an inner core (33) of said continuous elongated element (14) exiting from an outlet opening (18) of the extrusion nozzle (16). During the extrusion, a second material different from the first material is conveyed around the first material, at the extrusion nozzle (16) and upstream of the outlet opening (18), to form a coating layer (32) which entirely surrounds the inner core (33).

APPARATUS FOR FORMING AN ELASTOMERIC STRIP
20170001397 · 2017-01-05 ·

An apparatus for applying a strip of elastomeric material to a surface, the apparatus comprising: a nozzle having an inlet in fluid communication with a pumping means, said nozzle having an upper surface and a lower surface, wherein the lower surface has a curved shape for mating engagement with an outer surface of a rotatable roller, said lower surface having an opening positioned for engagement with the roller outer surface.

PROCESS FOR BUILDING TYRES FOR VEHICLE WHEELS

In a process for building tyres for vehicle wheels, at least one tread band (9) or other elastomeric component of a tyre (2) is made by applying at least one continuous elongated element (14) according to a plurality of turns (C) around a forming drum (15) rotating around a geometric rotation axis (X) thereof. The continuous elongated element (14) is made by the action of extruding a first material through an extrusion nozzle (16), to form an inner core (33) of said continuous elongated element (14) exiting from an outlet opening (18) of the extrusion nozzle (16). During the extrusion, a second material different from the first material is conveyed around the first material, at the extrusion nozzle (16) and upstream of the outlet opening (18), to form a coating layer (32) which entirely surrounds the inner core (33).

SERVICER, ASSEMBLY AND METHOD FOR SUPPLYING A TIRE COMPONENT TO A TIRE BUILDING DRUM
20250178300 · 2025-06-05 ·

A servicer and method are provided for supplying a tire component to a tire building drum or a transfer wheel. The servicer comprises a conveyor for supporting the tire component and a cutter for cutting through the tire component. The cutter comprises a blade extending in a blade plane. The blade plane extends at a blade angle with respect to the conveyor plane about a blade axis parallel to the conveyor plane and transverse to the transport direction. The blade is movable with respect to the conveyor plane in a cutting direction in a cutting plane. The cutting plane extends at an oblique cutting angle with respect to the conveyor plane about an axis parallel to the conveyor plane and transverse to the transport direction, wherein the cutting angle is smaller than the blade angle.