Method for unlocking a window pane of a railroad car with an inflatable pressure tube

US5746026A · kind A · utility

Assignee

• Dynamit Nobel GmbH · DE

Inventors

• Uwe Brede · Ergolding, DE
• Anton Bretfeld · Fürth, DE
• Joachim Fibranz · Fürth, DE
• Gerhard Kordel · Wendelstein, DE
• Josef Kraft · Starnberg, DE
• Peter Lehniger · Erlangen, DE
• Jens Reimer · Stuttgart, DE

Key dates

• Filing date: Jul 15, 1996
• Grant date: May 5, 1998
• Expiry date: Jul 15, 2016

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29C65/76
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A method for unlocking a window pane secured by a fastening element to a frame element of a window frame, with an inflatable pressure tube being located between the window pane and the frame element, said tube, upon being inflated, forcing the window pane out of the frame element. For reliable and improved element unlocking of the window pane, the pressure tube is inflated by actuation of at least one pyrotechnic gas generator connected to the pressure tube.