F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/60
F16L 23/00 (2006.01) E06B 3/96 (2006.01) F16L 23/14 (2006.01)
Patent
CA 1288452
A B S T R A C T In the case of a flanged connection for uniting sheet-metal air-duct parts, the cross-section of which is substantially rectangular while the flanges thereof consist of hollow sheet-metal sections and steel angles-pieces, it is proposed that the hollow sheet-metal sections comprise, in one or more of the walls thereof completely or partly enclosing the steel angle-piece, projections and/or depressions, and that the legs of the steel angle- pieces in turn comprise projections and/or depressions, at the perimeter of the legs, adapted to the positions of the aforesaid projections and/or depressions, in such a manner that when one leg of the said steel angle-piece is inserted into the said hollow sheet-metal section, at least one of the projections engages in one of the depressions.
505859
Fetherstonhaugh & Co.
Komotzki Michael
Schauer Markfried
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