Shuttering for erecting a concrete tunnel lining

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining

Patent

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Details

405146, E21D 1100, E21D 512

Patent

active

043157017

ABSTRACT:
The invention relates to a mechanism for stripping off pivotally interconnected vault segments of shuttering and includes two eccentric shafts interconnected by a connecting link which is mounted at the upper ends of said vault segments for rotation by a drive.

REFERENCES:
patent: Re26132 (1967-01-01), Cerutti
patent: 1734773 (1929-11-01), Murray
patent: 3373571 (1968-03-01), Records
patent: 3979919 (1976-09-01), Blonde et al.

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