(19)
(11)EP 4 015 201 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
06.07.2022 Bulletin 2022/27

(43)Date of publication A2:
22.06.2022 Bulletin 2022/25

(21)Application number: 21212496.0

(22)Date of filing:  06.12.2021
(51)International Patent Classification (IPC): 
B29D 30/00(2006.01)
B29D 30/02(2006.01)
(52)Cooperative Patent Classification (CPC):
B29D 30/02; B29D 2030/0011; B29D 30/0005
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30)Priority: 18.12.2020 US 202063127556 P

(71)Applicant: The Goodyear Tire & Rubber Company
Akron, OH 44316 (US)

(72)Inventors:
  • SPORTELLI, Francesco
    3249 Bettembourg (LU)
  • SIFFER, Frederic Gerard Auguste
    7542 Mersch (LU)

(74)Representative: Goodyear IP Law 
Goodyear S.A. Patent Department Avenue Gordon Smith
7750 Colmar-Berg
7750 Colmar-Berg (LU)

  


(54)PROCESS FOR THE PRODUCTION OF A NON-PNEUMATIC TIRE


(57) In one aspect, the present invention is directed to a process for the production of a non-pneumatic tire comprising a structure and a shear band, wherein the process comprises the steps of providing a structure having a surface intended to be brought into contact with a shear band, the structure comprising a thermoplastic material; pretreating the surface of the structure to obtain a pretreated surface; providing an atmospheric pressure plasma generated from a gas mixture; depositing a plasma polymerized coating layer from the atmospheric pressure plasma on the pretreated surface to produce a structure with a coated surface comprising a plasma polymerized coating layer; providing a shear band with a layer of rubber material and contacting the coated surface of the structure with said layer of rubber material; and performing a co-vulcanization of the coated surface of the structure with the layer of rubber material of the shear band.







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