US2012223466A1PendingUtilityA1

Device for heat-treating sheet metal strips

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Assignee: EBNER ROBERTPriority: Oct 13, 2009Filed: Aug 30, 2010Published: Sep 6, 2012
Est. expiryOct 13, 2029(~3.3 yrs left)· nominal 20-yr term from priority
Inventors:Robert EbnerEduard Morbitzer
F23D 99/004F23D 14/126F23C 3/002F23M 9/003F23C 2900/03009F27D 99/0035F23M 9/08C21D 9/52
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Claims

Abstract

A device is described for heat-treating sheet metal strips ( 6 ) having at least one radiator pipe unit ( 1 ), which has three pipes located in a common axial plane parallel to the sheet-metal strip ( 6 ), namely one middle pipe ( 2 ) attachable to a burner and two outer pipes ( 3 ) connected at both ends to the middle pipe ( 2 ) via pipe elbows ( 4 ), and having a bearing pin ( 9 ), connected to the two pipe elbows ( 4 ) between the middle pipe ( 2 ) on one side and the two outer pipes ( 3 ) on the other side, on the side of the radiator pipe unit opposite to the burner. To be able to take the occurring thermal expansions in the area of the pipe elbows ( 4 ) into consideration, it is proposed that the bearing pin ( 9 ) be arranged on a bridge ( 10 ), which bridges a gusset ( 11 ) between the two pipe elbows ( 4 ), having two sections ( 12 ) which extend on both sides of the axis of the middle pipe ( 2 ) and are inclined at an acute angle to the axis of the middle pipe ( 2 ).

Claims

exact text as granted — not AI-modified
1 . A device for heat-treating sheet metal strips ( 6 ) having at least one radiator pipe unit ( 1 ), which has three pipes located in a common axial plane parallel to the sheet-metal strip ( 6 ), namely one middle pipe ( 2 ) attachable to a burner and two outer pipes ( 3 ) connected at both ends to the middle pipe ( 2 ) via pipe elbows ( 4 ), and having a bearing pin ( 9 ), connected to the two pipe elbows ( 4 ) between the middle pipe ( 2 ) on one side and the two outer pipes ( 3 ) on the other side, on the side of the radiator pipe unit opposite to the burner, wherein the bearing pin ( 9 ) is arranged on a bridge ( 10 ), which bridges a gusset ( 11 ) between the two pipe elbows ( 4 ), having two sections ( 12 ) which extend on both sides of the axis of the middle pipe ( 2 ) and are inclined at an acute angle to the axis of the middle pipe ( 2 ). 
     
     
         2 . The device according to  claim 1 , wherein the bridge ( 10 ) is implemented symmetrically to the axis of the middle pipe ( 2 ).

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