Laminate and method for making laminate

Patent metadata

Field	Value
Publication number	US-9986785-B2
Application number	US-201615073178-A
Country	US
Kind code	B2
Filing date	Mar 17, 2016
Priority date	Feb 9, 2007
Publication date	Jun 5, 2018
Grant date	Jun 5, 2018

Abstract

A method of insert molding comprises placing in a first mold a curable rubber composition comprising a reactive species; placing on a surface of the rubber composition a first thermoplastic material in a film or layer comprising a group reactive with the reactive species of the rubber composition; curing the rubber composition in the mold to form a first molded article of cured rubber having a first thermoplastic material layer covalently bonded through reactive of the reactive species and the group; placing the first molded article as an insert into a second mold, the cured rubber contacting an inside surface of the second mold and the thermoplastic layer facing into the second mold cavity; closing the second mold and injecting into the second mold a second thermoplastic material that to form a second molded article comprising the first molded article thermally welded and/or covalently bonded to the second thermoplastic material.

First claim

What is claimed is:

1. A molded article prepared by a method comprising
placing in a mold a rubber insert comprising a rubber and having a surface on which is a surface layer comprising a thermoplastic elastomer, wherein the surface of the rubber insert extends into a mold cavity;
closing the mold and injecting into the mold a thermoplastic material; and
cooling the thermoplastic material to form a molded article comprising the rubber insert,
wherein the thermoplastic elastomer is covalently bonded to the rubber and thermally bonded to the thermoplastic material, and wherein the thermoplastic elastomer is incorporated around a portion of a top surface, a side surface, and a bottom surface of the rubber insert.

2. A molded article according to claim 1 , wherein the molded article comprises a plurality of the rubber inserts.

3. A molded article according to claim 2 , wherein the molded article is an outsole for footwear.

4. A molded article according to claim 1 , wherein the rubber insert is ridged or embossed.

5. A molded article according to claim 1 , wherein the rubber insert is a traction element.

6. A molded article according to claim 1 , wherein a thickness of the thermoplastic elastomer is less than a thickness of the rubber insert.

7. A molded article according to claim 1 , wherein a thickness of the thermoplastic elastomer is similar to a thickness of the rubber insert.

Assignees

• Nike Inc

Inventors

• Stone N Spencer
• Yu Sui-Chieh
• Schiller Denis
• Krstic Ruzica

Classifications

• B29K2009/06

  SB polymers, i.e. butadiene-styrene polymers · CPC title

• B29K2067/06

  Unsaturated polyesters · CPC title

• B32B7/10

  at least one layer having inter-reactive properties · CPC title

• C08J5/121

  by heating · CPC title

• Y10T428/23

  Sheet including cover or casing · CPC title