Reusable concrete curb inlet form

Details Reusable concrete curb inlet form Reusable concrete curb inlet form

1985-04-15

1987-01-20

Woo, Jay H.

Static molds

In situ construction engineering type or building type-mold...

Forming hydraulic and earth control type product in situ

249 83, 249 91, 249145, 249180, 249184, 404 5, B28B 730, E01C 1950, E02D 2912

Patent

active

046375856

ABSTRACT:
A reusable form for manufacturing curb inlet drains in situ includes a central tapered key section to which drain forming elements are detachably secured. A lid section is also attached to the key section. The drain forming elements each have a generally horizontal shelf with an upwardly projecting curved neck flange segment. These segments form a circular neck which abuts the underside of the lid section when the form is assembled. The front drain forming elements define a mouth for the curb inlet drain. Except for the mouth, the sides of the form are closed by plates extending downwardly from the shelves. Following the formation of a curb inlet drain, the lid section is removed. In addition, the drain forming elements are detached and the key section is removed upwardly through a manhole opening of the curb inlet drain. Then, the drain forming elements are also removed upwardly through the manhole opening. The lid section is expandable to selectively engage a rim which remains as a part of the curb inlet drain. In addition, nosing retainer mechanisms are provided for holding a nosing piece in place while the curb inlet drain is formed.

REFERENCES:
patent: 926231 (1909-06-01), Barber
patent: 2809414 (1957-10-01), Mitchell
patent: 3436051 (1969-04-01), Nakahara
patent: 3847339 (1974-11-01), Farrell
patent: 4061434 (1977-12-01), Carroll
patent: 4085918 (1978-04-01), Wilkerson
patent: 4119291 (1978-10-01), Polito
patent: 4192625 (1980-03-01), Peletz
patent: 4536103 (1985-08-01), Prescott

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