The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2002
Filed:
Jul. 20, 2001
Hans-Werner Friederich, Winsen, DE;
Phoenix AG, Hamburg, DE;
Abstract
The invention relates to a tube arrangement, comprising at least the following components: a flexible double casing tube, with an inner tube ( ) and an outer tube ( ), forming a ring gap ( ) which opens out into a widened cavity ( ), in the vicinity of their ends; a connector ( ), arranged at each end of the double casing tube, comprising a flange ( ) and a fitting which, in the vicinity of the end of the outer tube ( ) and of the cavity ( ), has a first annular ring ( ) and in the vicinity of the end of the inner tube ( ), a second annular ring ( ), a dividing chamber ( ), between the flange ( ) and the first annular ring ( ) which is surrounded by a chamber enclosure ( ), the chamber ( ), furthermore, is connected to the cavity ( ) and a drilling ( ) exists in the chamber enclosure ( ); a signal transmitter, which is arranged at each end of the tube, in the vicinity of the fitting, each one being connected to the drilling in the chamber enclosure by means of a connecter opening. According to the invention, the first signal transmitter is an inflatable container and the second signal transmitter is a lamp with light sticks. Possible embodiments of the tube arrangement, which are of advantage, are disclosed.