Multilayer flexible tubing

US8747978B2 · kind B2 · utility

Assignee

• SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION · US

Inventors

• Zhizhong Liu · Shrewsbury, US
• Charles S. Golub · Westford, US
• Heidi Sardinha · Shrewsbury, US
• Wayne Edward Garver · Sylvania, US
• Mark F. Colton · Rootstown, US
• Mark W. Simon · Pascoag, US

Key dates

• Filing date: Oct 30, 2009
• Grant date: Jun 10, 2014
• Expiry date: Jun 3, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/1393
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A flexible tube includes a first layer comprising a polyolefin material having a flexural modulus of not greater than 150 MPa and includes a second layer directly bonded to and in direct contact with the first layer. The second layer comprising a blend of propylenic polymer and styrenic block copolymer.