Guide tube end-piece, assembly and method

B - Operations – Transporting – 01 – F

Patent

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Details

B01F 15/00 (2006.01) B22D 27/00 (2006.01) C21C 7/00 (2006.01) C22B 9/02 (2006.01)

Patent

CA 2599956

An end-piece for an additive guide tube is disclosed. Such an end piece may have a durable sleeve and a sloughable sleeve. The sloughable sleeve may have a channel through which an additive may be delivered, and the sloughable sleeve may reside in the through-hole of the durable sleeve and may be secured to the durable sleeve. When molten metal contacts the sloughable sleeve, the sloughable sleeve burns or melts and sloughs off, thereby preventing the molten metal and slag from sticking to the end-piece, which in turn prevents buildup of metal and slag.

La présente invention concerne un embout destiné à un tube de guidage pour additifs. Cet embout peut comporter une partie résistante et une partie fusible. La partie fusible peut présenter un passage par lequel peut être apporté un additif, ladite partie fusible pouvant se loger dans le trou traversant de la partie résistante et se trouver fixé à cette dernière. Lorsque le métal en fusion entre en contact avec la partie fusible, cette dernière brûle ou fond et disparaît, ce qui empêche ainsi la métal fondu ou les scories de coller et de se fixer sur l'embout, ce qui à son tour, évite l'accumulation de métal et de scories sur ledit embout.

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