Threaded pipe coupling, union nut, connection stub, and pipe for a threaded pipe coupling

US7467811B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Juergen Frasch · Holzgerlingen, DE
• Stephan Wehr · Heiligenstadt, DE

Key dates

• Filing date: Dec 7, 2005
• Grant date: Dec 23, 2008
• Expiry date: Jan 18, 2027

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02M55/02
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A threaded pipe coupling is disclosed which comprises a connection stub, a pipe, and a union nut, and in which any leakage quantities that occur can be carried away through the union nut.