Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent
1990-11-09
1992-06-23
Aftergut, Karen
Hydraulic and earth engineering
Earth treatment or control
Chemical
52700, 52744, 249 10, 249 61, 249 98, 249 99, 249101, 249183, 264 34, 264 35, 264256, 264261, 264263, 264264, 264275, 264277, 264279, 2642791, 264308, 264313, 264317, 264333, 264334, 264337, B28B 116, B28B 734, E02D 2900, E04B 116
Patent
active
051237849
ABSTRACT:
A method of sealing a concrete joint formed between a pair of concrete castings by creating an injection hole wherein a removable frame member can be attached to the bottom surface of the first concrete casting so as to form obtuse angles with the concrete casting surface. The other concrete casting is then cast around the frame member. The frame member is then removed to form the injection hole of the desired configuration, and sealing material can then be inserted into the injection hole for feeding into, and sealing of, the joint.
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Aftergut Karen
Takenaka Corporation
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