Process and systems for winding a filament around a winding support

2:

• The process according to claim 1, wherein the movement of the at least one primary feeding device and the at least one secondary feeding device are symmetric one of another with respect to the roll axis of the winding support.

3:

• The Process according to claim 2, wherein during (ii), the at least one primary feeding device and the at least one secondary feeding device are translated with respect to the base in parallel to the roll axis of the winding support in a primary direction, and wherein the process further comprises:
• (v) translating the winding support along its roll axis with respect to the base in a secondary direction opposed to the primary direction.

4:

• The process according to claim 1, wherein the movement of the at least one primary feeding device and the at least one secondary feeding device are symmetric one of another with respect to a centre of volume of the winding support.

5:

• The process according to claim 1, wherein the movement of the at least one primary feeding device and the at least one secondary feeding device are symmetric one of another with respect to a plane perpendicular to the roll axis of the winding support and passing through a centre of volume of the winding support (6).

6:

• The process according to claim 1, comprising several primary feeding devices and several secondary feeding devices,
• wherein a number of primary feeding devices are equal to a number of secondary feeding devices (20).

7:

• A process for manufacturing a pressure vessel, the process comprising the process for winding a filament around a winding support according to claim 1.

9:

• The system according to claim 8, wherein a movement of the at least one primary feeding device and the at least one secondary feeding device are symmetric one of another with respect to the roll axis of the winding support.

10:

• The system according to claim 8, wherein a movement of the at least one primary feeding device and the at least one secondary feeding device are symmetric one of another with respect to a centre of volume of the winding support.

11:

• The system according to claim 8, wherein a movement of the at least one primary feeding device and the at least one secondary feeding device are symmetric one of another with respect to a plane perpendicular to the roll axis of the winding support and passing through a centre of volume of the winding support.

12:

• The system according to claim 8, comprising several primary feeding devices and several secondary feeding devices,
• wherein a number of primary feeding devices are equal to a number of secondary feeding devices.

13:

• The system according to claim 8, comprising a command device, common to both a holding device and the at least one primary feeding device and at least one secondary feeding device, being configured to command, in synchronization, the movements of the holding device, a movement of the at least one primary feeding device and at least one secondary feeding device, and take up speed of the filament that is applied by the at least one primary feeding device and at least one secondary feeding device.

14:

• The system according to, wherein the at least one primary feeding device and at least one secondary feeding device each comprise a filament resin impregnation unit.

15:

• A non-transitory computer-readable medium comprising instructions which, when executed by a processor, cause the processor to perform the process according to claim 1.

16:

• The process according to claim 1, comprising several primary feeding devices regularly arranged around the roll axis of the winding support, and several secondary feeding devices regularly arranged around the roll axis of the winding support,
• wherein a number of the primary feeding devices are equal to a number of secondary feeding devices.

17:

• The system according to claim 8, comprising several primary feeding devices regularly arranged around the roll axis of the winding support, and several secondary feeding devices regularly arranged around the roll axis of the winding support,
• wherein a number of primary feeding devices are equal to a number of secondary feeding devices.