Pipe joints or couplings – Materials – Sheet
Patent
1990-10-30
1992-11-24
Corbin, David H.
Pipe joints or couplings
Materials
Sheet
285363, F16L 2300
Patent
active
051657368
ABSTRACT:
A profile for the coupling of adjoining channel members comprises a front wall for extending perpendicularly from a wall of the channel member, a back wall extending at least partially parallel to the front wall, a front flange connected to the front wall, a back flange connected to the back wall and a deformable sealing material in the space between the front wall, the back wall and the flanges. The profile is constructed by folding a strip of material along parallel fold lines. A deformable sealing material is applied to the strip, and when the strip is folded, the sealing material is deformed so as to fill a substantial portion of the space between the front wall, the back wall, the front flange and the back flange of the profile.
REFERENCES:
patent: 3630549 (1971-12-01), Grimm
patent: 4218079 (1980-08-01), Arnoldt
patent: 4244609 (1981-01-01), Smitka
patent: 4558892 (1985-12-01), Daw et al.
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