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FR2472018A1 Expired / Lapsed FR ⏱️ 0.0 years remaining

Sampling probe for blast furnace - where very long lance can be used to remove sample of solid charge inside large furnace

Assignee: Nippon Steel Corp
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Filing: 1980-12-19
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Granted: —
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Expires: 2000-12-19
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Abstract

Abstract Translated from French LA PRESENTE INVENTION CONCERNE UNE SONDE POUR HAUT FOURNEAU. LE DISPOSITIF DE SONDE COMPORTE UNE VANNE D'ARRET DU GAZ 13, UN MOYEN 25 DE REDRESSEMENT D'UNE LANCE TUBULAIRE ET UN MOYEN ETANCHE AU GAZ 30 PREVUS LES UNS A LA SUITE DES AUTRES ET EN COMMUNICATION LES UNS AVEC LES AUTRES SELON UNE LIGNE SUPPORT RECTILIGNE S'ETENDANT VERS L'EXTERIEUR A PARTIR DE LA PAROI DU HAUT FOURNEAU DANS LAQUELLE EST REALISE UN ORIFICE 9 POUR L'INTRODUCTION ET L'EXTRACTION DE LA LANCE TUBULAIRE ET UN MOYEN 35 D'ENTRAINEMENT POUR INTRODUIRE ET EXTRAIRE LA LANCE TUBULAIRE MONTE EN PLUS A LA SUITE SUR LADITE LIGNE SUPPORT RECTILIGNE. L'INVENTION S'APPLIQUE AUX HAUTS FOURNEAUX. THE PRESENT INVENTION CONCERNS A PROBE FOR A HIGH FURNACE. THE PROBE DEVICE INCLUDES A GAS SHUT-OFF VALVE 13, A MEANS 25 FOR STRAIGHTENING A TUBULAR LANCE AND A GAS-TIGHT MEANS 30 PROVIDED FOR ONE FOLLOWING THE OTHERS AND IN COMMUNICATION WITH THE OTHERS ALONG A LINE STRAIGHT-LINE SUPPORT EXTENDING OUTWARD FROM THE WALL OF THE HIGH FURNACE IN WHICH AN ORIFICE 9 IS MADE FOR THE INTRODUCTION AND EXTRACTION OF THE TUBULAR LANCE AND A DRIVING MEANS 35 FOR INTRODUCING AND EXTRACTING THE TUBULAR LANCE FURTHER FOLLOWS ON THE SAID STRAIGHT SUPPORT LINE. THE INVENTION APPLIES TO HAUTS FOURNEAUX.

Inventors

  • 👤 Toyota Kajihara
  • 👤 Atsushi Kawasaki
  • 👤 Fujikazu Nishio
  • 👤 Akira Esaki
  • 👤 Akira Satoo

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-09 03:38
CPC Classifications
C; C21; C21B; C21B7/00; C21B7/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

BE751410A Cited
US3643508A Cited
FR2176362A5 Cited
DE2417222B1 Cited
DE2641042A1 Cited
JPS5399006A Cited

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