公开(公告)号：US20230241921A1

公开(公告)日：2023-08-03

申请号：US18001366

申请日：2021-06-14

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI ,  Luca CAMOSI ,  Davide MIAZZO

IPC: B60C9/00 ,  D02G3/48

CPC classification number: B60C9/0064 ,  D02G3/48 ,  B60C9/0042 ,  B60C9/005 ,  B60C2009/0035 ,  B60C2009/0092 ,  D10B2331/021 ,  D10B2201/22

Abstract: A tyre for vehicle wheels comprises a carcass structure including at least one carcass ply having a plurality of hybrid reinforcing cords (10). Each hybrid reinforcing cord (10) comprises at least two strands (20a, 20b) twisted together with a predetermined twisting pitch (P). Each of said at least two strands (20a, 20b) comprises at least one monofilament textile wire made of polyester fibres and at least one multifilament textile yarn (22a, 22b) comprising a plurality of textile filaments (23a, 23b) made of aramid and/or polyester and/or rayon fibres. In any cross section of the hybrid reinforcing cord (10), said at least one monofilament textile wire is at least partially embedded in the filaments (23a, 23b) of said at least one multifilament textile yarn (22a, 22b).

公开(公告)号：US20220169078A1

公开(公告)日：2022-06-02

申请号：US17594274

申请日：2020-04-16

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI ,  Barbara RAMPANA

IPC: B60C9/00 ,  B60C9/20 ,  D07B1/06

Abstract: A tyre for vehicle wheels comprises a support structure and a tread band arranged in a radially outer position with respect to the support structure. The support structure comprises a plurality of hybrid reinforcing cords (10) each having a plurality of monofilament textile wires (20) twisted to at least one multifilament textile yarn (30). In any cross section of the hybrid reinforcing cord (10), at least one portion of at least one monofilament textile wire (20) of said plurality of monofilament textile wires (20) defines a first radially outer surface portion of the hybrid reinforcing cord (10) and at least one portion of said at least one multifilament textile yarn (30) defines a second radially outer surface portion of the hybrid reinforcing cord (10).

公开(公告)号：US20230366149A1

公开(公告)日：2023-11-16

申请号：US18044435

申请日：2021-09-24

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI

IPC: D07B1/06 ,  B60C9/00

CPC classification number: D07B1/062 ,  B60C9/0007 ,  B60C2009/0092 ,  D07B2501/2046 ,  D07B2201/2006 ,  D07B2201/2039 ,  D07B2201/1044

Abstract: The invention relates to a metallic reinforcing cord (10) for tyres for vehicle wheels, comprising from two to ten metallic wires (11) twisted together with a twisting pitch (P) and each having a predetermined diameter. In at least some cross sections of the metallic reinforcing cord (10), at least two of said metallic wires (11) are arranged to a minimum mutual distance greater than, or equal to, 2.5 times the predetermined diameter.

公开(公告)号：US20230002968A1

公开(公告)日：2023-01-05

申请号：US17757065

申请日：2020-12-16

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI ,  Thomas HANEL

IPC: D07B1/06 ,  B60C9/00

Abstract: The invention relates to a process for manufacturing a metallic reinforcing cord (10) for tyres for vehicle wheels. The process comprises providing at least one elongated element (15) comprising at least one metallic wire (11) twisted together with at least one textile yarn (20) and removing said at least one textile yarn (20) from said at least one elongated element (15) to form the aforementioned metallic reinforcing cord (10). Such a metallic reinforcing cord (10) has a helical geometry, consisting only of said at least one metallic wire (11) that extends along a helical path. The invention also relates to an apparatus (1) for manufacturing the aforementioned metallic reinforcing cord (10).

公开(公告)号：US20240165998A1

公开(公告)日：2024-05-23

申请号：US18552023

申请日：2022-03-31

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Paola CARACINO ,  Thomas HANEL

IPC: B60C9/00 ,  B60C9/04

CPC classification number: B60C9/005 ,  B60C9/0042 ,  B60C2009/0092 ,  B60C2009/0458

Abstract: A tyre for vehicle wheels comprises at least one structural component including a plurality of textile reinforcing cords (10′), at least some of which comprise at least two yarns (20a, 20b) twisted together. At least one of said yarns (20a, 20b) is a texturized yarn (210) comprising a plurality of first filaments (201a) made of a recycled plastic material mixed with a plurality of second filaments (202a) made of a non-recycled plastic material.

公开(公告)号：US20230001741A1

公开(公告)日：2023-01-05

申请号：US17757068

申请日：2020-12-16

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI ,  Alessandro ASCANELLI

IPC: B60C9/00 ,  D07B1/06 ,  D07B5/00

Abstract: The invention relates to a metallic reinforcing cord (10) for tyres for vehicle wheels, comprising at least two metallic wires (11) twisted together with a predetermined twisting pitch (P). The metallic reinforcing cord (10) has a part load elongation greater than 3%, preferably greater than 3.5%.

公开(公告)号：US20220024253A1

公开(公告)日：2022-01-27

申请号：US17311063

申请日：2019-12-19

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI ,  Barbara RAMPANA

IPC: B60C9/00 ,  B60C9/04

Abstract: A tyre for vehicle wheels comprises a support structure and a tread band arranged in a radially outer position with respect to the support structure. The support structure comprises a plurality of hybrid reinforcing cords (10). Each of the hybrid reinforcing cords (10) has at least two strands (20) twisted together with a predetermined twisting pitch. Each of said at least two strands (20) comprises at least one monofilament textile wire (21) and at least one multifilament textile yarn (22) comprising a plurality of textile filaments (22a). In any cross section of the hybrid reinforcing cord (10), said at least one monofilament textile wire (21) is at least partially embedded in the filaments (22a) of said at least one multifilament textile yarn (22).

公开(公告)号：US20240025209A1

公开(公告)日：2024-01-25

申请号：US18255488

申请日：2021-12-06

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI ,  Thomas HANEL

IPC: B60C9/00 ,  D07B1/06

CPC classification number: B60C9/0007 ,  B60C9/0057 ,  D07B1/0646 ,  B60C2009/2077

Abstract: The invention relates to a metallic reinforcing cord (10) for tyres for vehicle wheels, comprising a single metallic wire (11) extending along a substantially helical path to form a helix having a predetermined pitch (Pw) and, in at least some cross sections thereof, an inner diameter (Di) greater than, or equal to, 0.7 mm.

公开(公告)号：US20230234398A1

公开(公告)日：2023-07-27

申请号：US18001350

申请日：2021-05-28

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI

IPC: B60C9/00 ,  D02G3/48 ,  D07B1/06 ,  D02G3/04

CPC classification number: B60C9/005 ,  B60C9/0007 ,  B60C9/0064 ,  B60C9/0028 ,  D02G3/48 ,  D07B1/0613 ,  D02G3/04 ,  B60C2009/0092 ,  D07B2201/104 ,  D07B2501/2046 ,  D07B2205/3025 ,  D07B2205/2039 ,  D07B2205/2046 ,  D07B2201/2009 ,  D07B2205/2028 ,  D07B2205/3003 ,  D07B2205/3007 ,  D07B2205/103

Abstract: A tyre for vehicle wheels comprises a support structure and a tread band arranged in a radially outer position with respect to the support structure. The support structure comprises at least one reinforcing layer including a plurality of hybrid reinforcing cords (10′) each having a metallic wire (21) twisted together with a multifilament textile yarn (22) comprising a plurality of filaments (23). In any cross section of each of said hybrid reinforcing cords (10′), the metallic wire (21) is at least partially embedded in the filaments (23) of the multifilament textile yarn (22).

公开(公告)号：US20230219379A1

公开(公告)日：2023-07-13

申请号：US18001433

申请日：2021-06-16

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Thomas HANEL ,  Emiliano RESMINI ,  Luca GIANNINI

IPC: B60C17/00 ,  B60C9/00

CPC classification number: B60C17/0009 ,  B60C9/005 ,  B60C2017/0063 ,  B60C2001/0033

Abstract: The present invention relates to a self-supporting tire for vehicle wheels comprising a carcass structure comprising at least one carcass ply having a plurality of hybrid reinforcing cords (10) each comprising at least two strands (20) twisted to each other with a predetermined stranding pitch (P), wherein each of said at least two strands (20) comprises at least one monofilament textile thread (21) at least partially embedded in the filaments (22a) of at least one multifilament textile yarn (22) and a pair of sidewall reinforcement inserts (113), where at least one of said sidewall reinforcement inserts comprises a vulcanised elastomeric compound which has a dynamic shear modulus value G equal to or less than 1.25 MPa measured at 70° C., 10 Hz, 9% deformation according to the RPA method reported in the present description.