Pressurized waterstops

Details Pressurized waterstops Pressurized waterstops

1984-12-18

1986-11-18

Friedman, Carl D.

Static structures (e.g., buildings)

Shaped or strengthened by fluid pressure

Fluid pressure is subatmospheric

52396, 52573, 404 64, 404 65, E04F 1514, E01C 1110

Patent

active

046227849

ABSTRACT:
A waterstop for concrete structures, of the type consisting of an extruded strip of elastomeric material having a general flat medial portion extending between longitudinally ribbed side wing anchor portions is internally pressurized so as to compensate for dimensional changes of the concrete joint.

REFERENCES:
patent: 2333826 (1943-11-01), Smith et al.
patent: 2901904 (1959-09-01), Wey
patent: 2961731 (1960-11-01), Buzzell et al.
patent: 3205629 (1965-09-01), Rumley et al.
patent: 3342033 (1967-09-01), Crouch et al.
patent: 3368463 (1968-02-01), Jones
patent: 3524390 (1970-08-01), Dill
patent: 4041665 (1977-08-01), de Munck
patent: 4362430 (1982-12-01), Ceintrey

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