FR2376992A1 - Resilient pipe bend for coolant pipe in blast furnace - comprising layers of metal mesh, asbestos and rubber and flameproof outer layer - Google Patents

Resilient pipe bend for coolant pipe in blast furnace - comprising layers of metal mesh, asbestos and rubber and flameproof outer layer

Info

Publication number
FR2376992A1
FR2376992A1 FR7800400A FR7800400A FR2376992A1 FR 2376992 A1 FR2376992 A1 FR 2376992A1 FR 7800400 A FR7800400 A FR 7800400A FR 7800400 A FR7800400 A FR 7800400A FR 2376992 A1 FR2376992 A1 FR 2376992A1
Authority
FR
France
Prior art keywords
pipe bend
asbestos
layers
outer layer
resilient
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR7800400A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of FR2376992A1 publication Critical patent/FR2376992A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/10—Cooling; Devices therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

Resilient pipe bend for installation in coolant pipes of blast furnaces, partic. in the region of casing and brickwork cooling, comprises several dimensionally stable layers of metal mesh, with intermediate layers of asbestos and a flexible material e.g. natural or synthetic rubber, and a heat- and flame- resistant outer layer of resilient material. At the ends of the pipe bend are connecting elements for flanges, screw-on couplings or quick-action couplings. Flexibility of the pipe bend provides a multi-dimensional compensatory action, by which expansion stresses on heating up the furnace are taken up completely, and tensile and compressive stresses on the connecting elements are relieved.
FR7800400A 1977-01-11 1978-01-09 Resilient pipe bend for coolant pipe in blast furnace - comprising layers of metal mesh, asbestos and rubber and flameproof outer layer Withdrawn FR2376992A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772701226 DE2701226B1 (en) 1977-01-11 1977-01-11 ELASTIC ELBOW

Publications (1)

Publication Number Publication Date
FR2376992A1 true FR2376992A1 (en) 1978-08-04

Family

ID=5998622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800400A Withdrawn FR2376992A1 (en) 1977-01-11 1978-01-09 Resilient pipe bend for coolant pipe in blast furnace - comprising layers of metal mesh, asbestos and rubber and flameproof outer layer

Country Status (2)

Country Link
DE (1) DE2701226B1 (en)
FR (1) FR2376992A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1417028A (en) * 1964-01-02 1965-11-05 Johns Manville Expansion joints for conduits
DE1525623A1 (en) * 1966-10-19 1969-07-10 Frankfurter Asbestwerke Paul K Pressure-resistant rubber-asbestos compensator for liquid and gaseous media

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1417028A (en) * 1964-01-02 1965-11-05 Johns Manville Expansion joints for conduits
DE1525623A1 (en) * 1966-10-19 1969-07-10 Frankfurter Asbestwerke Paul K Pressure-resistant rubber-asbestos compensator for liquid and gaseous media

Also Published As

Publication number Publication date
DE2701226B1 (en) 1977-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse