Method for covering a length of pipe

US4535526A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Karl-Christian Zerfass · Bobingen, DE
• Martin Urban · Bad Kötzting, DE

Key dates

• Filing date: Jan 10, 1983
• Grant date: Aug 20, 1985
• Expiry date: Jan 10, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31699
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Disclosed is a laminated foil which is free from elastic memory, comprising a carrier layer of rigid PVC, polyethylene or polypropylene, and an aluminum layer bonded thereto. Also disclosed are a process of using the foil to wrap pipes and several articles of manufacture made from the foil.