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US 8,393,028 B2Granted
Method of manufacturing footwear having sipes
AssigneeNIKE, Inc.
InventorsKim Namkook, Jeffrey L. Johnson
Life of this patent
Estimating the term…
Abstract
A method of manufacturing footwear including the steps of positioning a sole member on a first portion of a cutting assembly; heating a second portion of the cutting assembly, the second portion including a cutting die; pressing the heated cutting die into the sole member to form a plurality of sipes in the sole member; and removing the cutting die from the sole member.
Claims24
A method of manufacturing footwear comprising the steps of:
- positioning a sole member on a first portion of a cutting assembly, a plurality of pins projecting upwardly from the first portion such that the plurality of pins are positioned along each of a medial side and a lateral side of the sole member and the sole member is positioned between and in abutting relationship with each of the plurality of the pins;
- heating a second portion of the cutting assembly, the second portion including a cutting die;
- pressing the heated cutting die into the sole member to simultaneously form a plurality of sipes in the sole member;
- and
- removing the cutting die from the sole member.
2 more elements
A method of manufacturing footwear comprising the steps of:
- positioning a sole member on a jig of a first portion of a cutting assembly, a plurality of pins projecting upwardly from the first portion such that the plurality of pins are positioned along each of a medial side and a lateral side of the sole member and the sole member is positioned between and in abutting relationship with each of the plurality of the pins;
- heating a second portion of the cutting assembly to selected temperature, the second portion including a cutting die having a plurality of blades;
- pressing the blades into the sole member for a selected period of time to simultaneously form a plurality of sipes in the sole member;
- and
- removing the cutting die from the sole member.
2 more elements
A method of manufacturing footwear comprising the steps of:
- positioning a sole member on a jig of a first portion of a cutting assembly, the jig including a base member and a plurality of pins positioned about a periphery of the base member, the first portion including a plurality of upwardly extending projections;
- heating a cutting die of the second portion to a temperature between approximately 160° C. and approximately 220° C., the cutting die having a plurality of blades and a plurality of recesses, each recess configured to receive one of the projections of the first portion;
- pressing the blades into the sole member for a period of time between approximately 2 seconds and approximately 15 seconds to form a plurality of sipes in the sole member;
- and
- removing the cutting die from the sole member.
2 more elements
Dependencies are inferred from the claim text.