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US 2022/0347899 A1Published application
Bonding rubber and plastic surfaces during injection molding
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsClayton BOHN, Jr., Patrick F KING
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Abstract
An injection molded composite comprising a first bonding surface of a diene rubber composition bonded to a second bonding surface of a polar thermoplastic elastomer composition. There may be no more than 25% of the bonding surfaces having an adhesive applied to them or alternatively, no adhesive is applied. Furthermore, the polar thermoplastic elastomer composition was injected against the first bonding surface to form the second bonding surface and the first bonding surface has an active halogen moiety.
Claims23
An injection molded composite, comprising:
- a first bonding surface of a diene rubber composition bonded to a second bonding surface of a polar thermoplastic elastomer composition, wherein no more than 25% of the bonding surfaces have an adhesive therebetween, wherein the polar thermoplastic elastomer composition was injected against the first bonding surface to form the second bonding surface and wherein the first bonding surface has an active halogen moiety;
- wherein the injection molded composite forms at least a part of a non-pneumatic tire, the non-pneumatic tire comprising a tire tread having the first bonding surface and a tread support having the second bonding surface.
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Dependencies are inferred from the claim text.