Stock material or miscellaneous articles – Patched hole or depression
Patent
1975-12-08
1977-05-24
Dier, Philip
Stock material or miscellaneous articles
Patched hole or depression
428 81, 156 94, 29401E, 204 16, 277 2, 277 72FM, 429 49, B32B 326, B32B 302, B65D 5300, E21B 1500
Patent
active
040256774
ABSTRACT:
A quick patch for a tank comprising a suction cup. The cup is partially filled between its dome or center portion and rim with mastic. A quick setting adhesive is applied to a cleaned surface on the interior tank wall about the crack. The vacuum cup is applied over the crack and the dome portion depressed while the rim is tightly engaged with the surface. The interior of the depressed center portion is pressed against the adhesive and quick-glued in place while the interior is evacuated. In the event that the adhesive fails to hold after a while, the center portion will expand causing the peripheral edge portions of the vacuum cup to adhere to the wall surface of the tank and drawing in the encompassing mastic. In the exterior application the expansion of the center portion serves as an indicia of the failure of the patch.
REFERENCES:
patent: 2068035 (1937-01-01), Meyer
patent: 2093129 (1937-09-01), Johnston
patent: 3198323 (1965-08-01), Alberti et al.
patent: 3470787 (1969-10-01), Mackie
patent: 3837965 (1974-09-01), Mahon et al.
Belke Manufacturing Company, Inc.
Dier Philip
Kowalik John J.
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