Shuttering with supporting ring having expendable drawers
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United States of America Patent
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Nov 29, 2022
Grant Date -
N/A
app pub date -
Nov 13, 2019
filing date -
Nov 14, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a device (1) for producing a hollow-cylindrical concrete lining (50) on shaft walls (100) of vertical shafts (101), having at least one shuttering element (2) which is radially spaced from the shaft wall (100) and forms a concrete shuttering, a supporting ring (3) at the lower end of the shuttering element (2), and a sealing assembly (4) in the region of the supporting ring (3) to seal the concrete shuttering relative to the shaft wall (100), wherein the sealing assembly (4) is formed by a plurality of drawers (5, 5a, 5b) which can be extended radially against the shaft wall (100).
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