FR2230948A1 - Gas-tight door for heat-treatment oven - with pivoting flap which seals across oven door as loader moves in - Google Patents

Gas-tight door for heat-treatment oven - with pivoting flap which seals across oven door as loader moves in

Info

Publication number
FR2230948A1
FR2230948A1 FR7418140A FR7418140A FR2230948A1 FR 2230948 A1 FR2230948 A1 FR 2230948A1 FR 7418140 A FR7418140 A FR 7418140A FR 7418140 A FR7418140 A FR 7418140A FR 2230948 A1 FR2230948 A1 FR 2230948A1
Authority
FR
France
Prior art keywords
door
oven
gas
seals
heat
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.)
Granted
Application number
FR7418140A
Other languages
French (fr)
Other versions
FR2230948B1 (en
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.)
SKF Industrial Trading and Development Co BV
Original Assignee
SKF Industrial Trading and Development Co BV
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 SKF Industrial Trading and Development Co BV filed Critical SKF Industrial Trading and Development Co BV
Publication of FR2230948A1 publication Critical patent/FR2230948A1/en
Application granted granted Critical
Publication of FR2230948B1 publication Critical patent/FR2230948B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

A gas-tight pivoting door for heat treatment ovens comprises a pivoting flap on the door surface which covers an area corresp. to the cross-sectional surface of a feeding/loading device, and is closed by this during loading.
FR7418140A 1973-05-25 1974-05-24 Gas-tight door for heat-treatment oven - with pivoting flap which seals across oven door as loader moves in Granted FR2230948A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7319774 1973-05-25

Publications (2)

Publication Number Publication Date
FR2230948A1 true FR2230948A1 (en) 1974-12-20
FR2230948B1 FR2230948B1 (en) 1976-12-24

Family

ID=6638825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7418140A Granted FR2230948A1 (en) 1973-05-25 1974-05-24 Gas-tight door for heat-treatment oven - with pivoting flap which seals across oven door as loader moves in

Country Status (2)

Country Link
FR (1) FR2230948A1 (en)
SE (1) SE405985B (en)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2230948B1 (en) 1976-12-24
SE405985B (en) 1979-01-15

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Legal Events

Date Code Title Description
ST Notification of lapse