FR728908A - Procédé pour la fabrication de traverses métalliques - Google Patents

Procédé pour la fabrication de traverses métalliques

Info

Publication number
FR728908A
FR728908A FR728908DA FR728908A FR 728908 A FR728908 A FR 728908A FR 728908D A FR728908D A FR 728908DA FR 728908 A FR728908 A FR 728908A
Authority
FR
France
Prior art keywords
manufacture
metal sleepers
sleepers
metal
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.)
Expired
Application number
Other languages
English (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.)
Vereinigte Stahlwerke AG
Original Assignee
Vereinigte Stahlwerke 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 Vereinigte Stahlwerke AG filed Critical Vereinigte Stahlwerke AG
Application granted granted Critical
Publication of FR728908A publication Critical patent/FR728908A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K7/00—Making railway appurtenances; Making vehicle parts
    • B21K7/02—Making railway appurtenances; Making vehicle parts parts for permanent way
    • B21K7/06—Making railway appurtenances; Making vehicle parts parts for permanent way sleepers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
    • B21H7/005—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons railway sleepers or chains
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/29—Railway-chair making
FR728908D 1931-02-10 1931-12-29 Procédé pour la fabrication de traverses métalliques Expired FR728908A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE133851X 1931-02-10
DE141397X 1932-08-24

Publications (1)

Publication Number Publication Date
FR728908A true FR728908A (fr) 1932-07-13

Family

ID=34066182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728908D Expired FR728908A (fr) 1931-02-10 1931-12-29 Procédé pour la fabrication de traverses métalliques

Country Status (4)

Country Link
US (2) US2023827A (fr)
AT (2) AT133851B (fr)
FR (1) FR728908A (fr)
GB (2) GB395041A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770018A (en) * 1986-03-12 1988-09-13 Donn Incorporated Method for producing cold roll-formed structures

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914842A (en) * 1955-11-25 1959-12-01 Modine Mfg Co Method of making a heat exchanger
US3164898A (en) * 1960-08-09 1965-01-12 Guy F Kotrbaty Method of producing extruded shapes
US4040232A (en) * 1974-03-08 1977-08-09 Snow Kenneth T Building brace
GB2159860B (en) * 1984-05-24 1987-07-15 British Steel Corp Railway sleeper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770018A (en) * 1986-03-12 1988-09-13 Donn Incorporated Method for producing cold roll-formed structures

Also Published As

Publication number Publication date
GB395041A (en) 1933-07-13
US2023827A (en) 1935-12-10
GB424336A (en) 1935-02-11
AT141397B (de) 1935-04-10
US2061861A (en) 1936-11-24
AT133851B (de) 1933-06-26

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