FR1018498A - Perfectionnements aux boîtes d'essieu en acier faites d'une seule pièce, pour chemins de fer, et procédé de fabrication de ces boîtes
- Google Patents
Perfectionnements aux boîtes d'essieu en acier faites d'une seule pièce, pour chemins de fer, et procédé de fabrication de ces boîtes
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.)
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.)
Timken Co
Original Assignee
Timken Roller Bearing Co
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 Timken Roller Bearing CofiledCriticalTimken Roller Bearing Co
Application grantedgrantedCritical
Publication of FR1018498ApublicationCriticalpatent/FR1018498A/fr
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
B21K7/12—Making railway appurtenances; Making vehicle parts parts for locomotives or vehicles, e.g. frames, underframes
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
B61F15/00—Axle-boxes
B61F15/02—Axle-boxes with journal bearings
B61F15/06—Axle-boxes with journal bearings for cars
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Forging
(AREA)
FR1018498D1949-08-151950-05-25Perfectionnements aux boîtes d'essieu en acier faites d'une seule pièce, pour chemins de fer, et procédé de fabrication de ces boîtes
ExpiredFR1018498A
(fr)