← Back to Patent Explorer
EP0254839A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Indicator-tube for combustible gases

Assignee: Draegerwerk AG and Co KGaA
•
Filing: 1987-06-02
•
Granted: —
•
Expires: 2007-06-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Ein Prüfröhrchen für brennbare Gase soll mit Schutzvorrichtungen versehen werden, so daß es für den Nachweis von brennbaren Gasen nicht zu einer Zündquelle werden kann. Dazu ist vorgesehen, daß vor und/oder hinter der Reagenzfüllung (10) eine Flammensperre (7, 8) angeordnet ist. A test tube for flammable gases should be provided with protective devices so that it cannot become an ignition source for the detection of flammable gases. For this purpose it is provided that a flame arrester (7, 8) is arranged in front of and / or behind the reagent filling (10).

Inventors

  • 👤 Kurt Leichnitz
  • 👤 Hans Dipl.-Ing. Matthiessen

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 07:33
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/22

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

DE1974909U Cited
US4159304A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag