B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 31/02 (2006.01) B63B 3/26 (2006.01)
Patent
CA 2158174
The present invention relates to a method for manu- facturing a bulb bar and also to a bulb bar produced in accordance with the method. The bulb bar is manufac- tured by steps of: separatly rolling a bulb-part (2); sepa- rately rolling a flat bar-part (3); and welding the bulb- part (2) to the flat bar-part (3). The bulb-part (2) is rolled to a flangeless shape so as to enable a web-part (3) whose dimensions have been selected appropriately to a bulb bar (1) of requi- site bending strength to be welded to a longitudinally extending edge region (8, 9) of the bulb-part and to enable heat generated during the welding process to be conducted into the bulb-part. The aforementioned longitudinally extending edge region includes bevelled surfaces (8, 9) which form respectively a longitudinally extending supportive and contact region and also a joint preparation for a subsequent welding process.
Gowling Lafleur Henderson Llp
Inexa Profil Ab
LandOfFree
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