Process and apparatus for introducing an optical or electrical cable into solid ground

US5879109A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Lothar Finzel · Unterschleißheim, DE
• Heinz Diermeier · Munich, DE
• Peter Dotzer · Munich, DE
• Ernst Mayr · Starnberg, DE

Key dates

• Filing date: Feb 10, 1998
• Grant date: Mar 9, 1999
• Expiry date: Feb 10, 2018

Classification

• Technology area (CPC H): Electricity
• CPC primary: H02G1/06
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A process and apparatus for introducing a cable into a channel, which is formed into a heated surface of solid ground, such as asphalt, displaces the material to form a channel, inserts the cable and then reintroduces the displaced material back into the channel to refill the channel.