F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/108
F27D 3/16 (2006.01) F27D 27/00 (2010.01) B22D 1/00 (2006.01) C22B 9/05 (2006.01)
Patent
CA 1277138
Gunter Bender 5905 Freudenberg Werner Burbach 5905 Freudenberg ABSTRACT "Method of assembling a gas circulation block provided for metallurgical vessels" During the assembly of a gas circulation block, encased in sheet metal, a conical sheet-metal sleeve is placed onto a shaped block which is in the form of a truncated cone and made of a refractory material, then a sheet- metal cover provided with a gas supply tube is laid onto the larger end face of the shaped block and then the sheet-metal sleeve is welded onto the sheet-metal cover. In order to reduce the assembly effort and at the same time to create an improved gas circulation block, the conical sheet-metal sleeve is heated up before placing onto the shaped block and is then shrunk onto the shaped block. By the shrinking of the sleeve, every type of di- mensional inaccuracy is compensated for, whether on the shaped block or on the sheet-metal sleeve, so that the sheet-metal sleeve, in the shrunk-on condition, sits uni- formly and tightly against the shaped block over its en- tire periphery and its entire length.
513915
Bender Gunter
Burbach Werner
Bender Gunter
Burbach Werner
Ridout & Maybee Llp
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