METHOD AND HOLLOW CORE FORMING APPARATUS FOR CASTING CONCRETE PRODUCTS Russian patent published in 2018 - IPC B28B3/22 B28B7/30 

Abstract RU 2663853 C2

FIELD: processing of cement, clay and stone.

SUBSTANCE: group of inventions relates to the field of casting precast concrete articles using a substantially horizontal slipform casting process. Method comprises feeding concrete mass at least in one feeding stage through a limited cross-section moving progressively along with the cast. Cores are formed in the concrete product to be cast with core forming member (4), the thickness of webs between the cores of the product to be cast are changed during the slipform casting process by changing the width of at least one core forming member (4). Casting distance is measured. Width and/or height of said core forming member (4) forming is adjusted depending on the measurement result.

EFFECT: technical result is higher stability, higher efficiency of casting a concrete product and improved quality of the cast concrete product.

11 cl, 9 dwg

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RU 2 663 853 C2

Authors

Sakhala Tarmo

Yarvinen Lassi

Raukola Leena

Dates

2018-08-10Published

2014-06-30Filed