Patent · US Active

Method for the manufacture of a shoe sole, shoe sole, and shoe with pre-manufactured TPU article

US11964445B2 · kind B2 · utility

0Cited by

111References

20Claims

0Family size

Assignee

adidas AG · DE

Inventors

Christopher Edward Holmes · Herzogenaurach, DE
Sabrina Kerling · Herzogenaurach, DE
Tru Huu Minh Le · Erlangen, DE

Key dates

Filing date	Jun 30, 2022
Grant date	Apr 23, 2024
Priority date	—
Expiry date	Jul 3, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29K2105/048
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Described are a method for the manufacture of a shoe sole, the sole manufactured by the method, and a shoe including the sole. The method includes loading a pre-manufactured article comprising thermoplastic polyurethane (TPU) material into a mold; loading pellets of an expanded thermoplastic polyurethane (eTPU) material into said mold; and connecting the pellets with each other and to the pre-manufactured TPU article by providing an interconnecting medium, wherein the material of the pre-manufactured TPU article either comprises an additive to increase the viscosity of the material of the pre-manufactured TPU article, or has been annealed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.