Adjustable slip form

Details Adjustable slip form Adjustable slip form

1973-07-05

1977-03-29

Shore, Ronald J.

Plastic article or earthenware shaping or treating: apparatus

Building forms or construction engineering type mold with...

425 64, 425135, 425219, B28B 1302

Patent

active

040146332

ABSTRACT:
The invention pertains to apparatus for forming elongated concrete structures, such as walls and the like, by slip forming. In particular, the invention is directed to the concept of slip forming walls of asymmetrical transverse cross section as required in the forming of highway barrier walls. The concrete slip form includes opposite sidewalls and open front and rear ends. At least one of the sidewalls is vertically adjustable wherein the sidewall configuration being formed thereby may have a height variance with respect to the opposite sidewall being formed. The form includes fixed wall portions associating with the adjustable wall portion and power means permit adjustment of the vertical adjustable wall. It is also within the scope of the invention to provide a form wherein both sidewalls are vertically adjustable, and the form includes means for introducing steel reinforcement into the formed wall, and periodically permitting accessory equipment to be embedded into the wall.

REFERENCES:
patent: 1350603 (1920-08-01), Gerritson et al.
patent: 1939007 (1933-12-01), Heltzel
patent: 2225015 (1940-12-01), Lebelle
patent: 2623446 (1952-12-01), Clark et al.
patent: 3138079 (1964-06-01), Smith
patent: 3143781 (1964-08-01), Kalns
patent: 3175478 (1965-03-01), Smith
patent: 3583046 (1971-06-01), Dickinson et al.
patent: 3600773 (1971-08-01), Davis
patent: 3665821 (1972-05-01), Walker
patent: 3685405 (1972-08-01), McDonald et al.

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