BE846377A - PROCESS FOR TREATMENT OF SWITCH PARTS - Google Patents

PROCESS FOR TREATMENT OF SWITCH PARTS

Info

Publication number
BE846377A
BE846377A BE170770A BE170770A BE846377A BE 846377 A BE846377 A BE 846377A BE 170770 A BE170770 A BE 170770A BE 170770 A BE170770 A BE 170770A BE 846377 A BE846377 A BE 846377A
Authority
BE
Belgium
Prior art keywords
treatment
switch parts
switch
parts
Prior art date
Application number
BE170770A
Other languages
French (fr)
Inventor
W Heller
Ch Hoffmann
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 filed Critical
Publication of BE846377A publication Critical patent/BE846377A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/12—Fixed frogs made of one part or composite
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
BE170770A 1975-09-20 1976-09-20 PROCESS FOR TREATMENT OF SWITCH PARTS BE846377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2541978A DE2541978C3 (en) 1975-09-20 1975-09-20 Process for the heat treatment of switch parts in a continuous process

Publications (1)

Publication Number Publication Date
BE846377A true BE846377A (en) 1977-01-17

Family

ID=5956971

Family Applications (1)

Application Number Title Priority Date Filing Date
BE170770A BE846377A (en) 1975-09-20 1976-09-20 PROCESS FOR TREATMENT OF SWITCH PARTS

Country Status (15)

Country Link
AT (1) AT386841B (en)
BE (1) BE846377A (en)
BG (1) BG39807A3 (en)
CH (1) CH621364A5 (en)
DD (1) DD126536A5 (en)
DE (1) DE2541978C3 (en)
FI (1) FI762667A (en)
FR (1) FR2324743A1 (en)
GB (1) GB1510608A (en)
IT (1) IT1068280B (en)
LU (1) LU75832A1 (en)
NL (1) NL7609909A (en)
RO (1) RO72116A (en)
YU (1) YU37191B (en)
ZA (1) ZA765542B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940826C2 (en) * 1979-10-09 1987-03-26 Fa. Paul Ferd. Peddinghaus, 5820 Gevelsberg Process for deep hardening of workpieces and device for carrying out this process
DE3446794C1 (en) * 1984-12-21 1986-01-02 BWG Butzbacher Weichenbau GmbH, 6308 Butzbach Process for the heat treatment of pearlitic rail steel
AT391707B (en) * 1985-03-25 1990-11-26 Voest Alpine Ag METHOD FOR PREVENTING ADJUSTMENT OF RAILS IN THE TRANSITIONAL AREA AND DEVICE FOR CARRYING OUT THIS METHOD
AT384624B (en) * 1986-05-22 1987-12-10 Voest Alpine Ag DEVICE FOR CONTROLLED HEAT TREATMENT OF SOFT PARTS
AT401359B (en) * 1991-04-05 1996-08-26 Vae Ag METHOD FOR PRODUCING A HEART PIECE
DE4200545A1 (en) * 1992-01-11 1993-07-15 Butzbacher Weichenbau Gmbh TRACK PARTS AND METHOD FOR THE PRODUCTION THEREOF

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1758517B1 (en) * 1967-06-29 1970-12-10 Inst Cercetari Tehnologice Pen Process for the heat treatment of elongated workpieces with a cross-sectional shape that changes in the longitudinal direction
DE1938290A1 (en) * 1968-08-13 1970-02-19 Union Carbide Corp Method and device for hardening rails

Also Published As

Publication number Publication date
FR2324743A1 (en) 1977-04-15
DE2541978B2 (en) 1977-12-15
NL7609909A (en) 1977-03-22
BG39807A3 (en) 1986-08-15
GB1510608A (en) 1978-05-10
YU225476A (en) 1983-04-27
CH621364A5 (en) 1981-01-30
RO72116A (en) 1981-11-04
LU75832A1 (en) 1977-05-04
YU37191B (en) 1984-08-31
DD126536A5 (en) 1977-07-20
FI762667A (en) 1977-03-21
IT1068280B (en) 1985-03-21
ZA765542B (en) 1977-08-31
DE2541978C3 (en) 1978-08-24
AT386841B (en) 1988-10-25
DE2541978A1 (en) 1977-03-24
ATA676276A (en) 1980-01-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BUTZBACHER WEICHENBAU G.M.B.H.

Effective date: 19940930