F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/34, 190/43.5
F16L 11/00 (2006.01) F16L 9/16 (2006.01)
Patent
CA 1279832
ABSTRACT OF THE DISCLOSURE For the production of a hollow cylindrical body, for example a tube or a container, first a bottom channel (1) is wound spirally onto a mandrel. A top channel (2) is wound onto the bottom channel (1) offset by half the channel width. The top and bottom channel (1, 2) both have an approximately E-shaped cross section with two outside flanges (3, 4) and two middle flanges (5, 6). The distance between the two middle flanges (5, 6) corresponds to the combined thicknesses of the two outside flanges (3, 4)(. The confronting surfaces (7, 8) of the two outside flanges (3, 4)( and of the two middle flanges (5, 6) are provided with a sawtooth cross sectional shape, so that an inseparable, interlocking connection results between the bottom channel (1) and the top channel (2). The bottom channel (1) and top channel (2) can consist of different plastic materials.
567454
Baston Artur
Baston Karl-Heinz
Baston Artur
Baston Karl-Heinz
Fetherstonhaugh & Co.
Vobau Artur Baston Gesellschaft Fur Vorrichtungsbau Mit Beschran
LandOfFree
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