US 12,128,718 B2
Construction of a molded body for non-pneumatic tires
Lisa Marie Schmidt, Lemfoerde (DE); Elmar Poeselt, Lemfoerde (DE); Theresa Huelsmann, Lemfoerde (DE); Florian Tobias Rapp, Ludwigshafen (DE); Frank Thielbeer, Lemfoerde (DE); Eva Anna Haase, Lemfoerde (DE); and Peter Gutmann, Ludwigshafen (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 18/263,314
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Jan. 26, 2022, PCT No. PCT/EP2022/051690
§ 371(c)(1), (2) Date Jul. 27, 2023,
PCT Pub. No. WO2022/161978, PCT Pub. Date Aug. 4, 2022.
Claims priority of application No. 21154315 (EP), filed on Jan. 29, 2021.
Prior Publication US 2024/0075771 A1, Mar. 7, 2024
Int. Cl. B29D 30/04 (2006.01); B60C 7/10 (2006.01)
CPC B60C 7/105 (2013.01) [B29D 30/04 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A molded body as an insert for non-pneumatic tires, wherein the molded body comprises the elements of:
(A) a tube, which comprises a hollow cavity, and
(B) at least one peripheral foam layer, which comprises a polymeric foam,
wherein the elements (A) and (B) are composed, and the at least one peripheral foam layer and the tube together form the molded body,
wherein the cavity of the tube comprises rods for stabilizing the tube,
said element (B) is a thermoplastic elastomer selected from the group consisting of thermoplastic polyurethanes (TPU), thermoplastic polyamides (TPA), thermoplastic polyetheresters (TPC), thermoplastic polyesteresters (TPC), thermoplastic vulcanizates (TPV), thermoplastic polyolefins (TPO), thermoplastic styrenic elastomers (TPS), and mixtures thereof, and
said at least one peripheral foam layer comprises foamed granules.