Sliding shuttering raising device for the continuous production

Details Sliding shuttering raising device for the continuous production Sliding shuttering raising device for the continuous production

1974-05-31

1976-04-06

Husar, Francis S.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Clutch actuated

249 20, 425 63, B66F 100

Patent

active

039484831

ABSTRACT:
The invention relates to a device for raising a sliding shuttering designed to be used for the continuous production of silos, water towers, etc.
The device consists of two cases, coaxial with a slide bar, separated from one another by a jack also coaxial of which each of the two parts in respectively integral with one of the cases, each case comprising locking jaws in its interior which, alternating from one case to the other, engage with a slide bar, the locked case serving as a support point for the case in movement and reciprocally, the pressure of the compressed high-pressure fluid of the jack for raising the case joined to the frame, supporting the shuttering, which device is characterised in that the means for raising the other case is provided by a low pressure fluid which acts when the high-pressure fluid is decompressed, which enables an efficient device to be obtained and avoid even a slight backward movement of the shuttering.

REFERENCES:
patent: 1397241 (1921-11-01), Convert
patent: 2673066 (1954-03-01), Norman
patent: 2756019 (1956-07-01), Heidenstam et al.
patent: 3325146 (1967-06-01), Ahl
patent: 3347522 (1967-10-01), Reinmann
patent: 3685801 (1972-08-01), Ahlgren et al.

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