Patent Number: 8,877,110

Title: Method of molding a single-piece hollow shell including perforations

Abstract: A method of making a single-piece hollow shell is disclosed. A plurality of perforators is inserted into a mold and create an inner mold surface. A material is inserted into the mold to create a perforated hollow shell between the mold, the inner mold surface, and the perforated.

Inventors: Molinari; Arthur (Portland, OR)

Assignee: NIKE, Inc.

International Classification: B29C 45/14 (20060101)

Expiration Date: 2019-11-04 0:00:00