B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/51
B28B 13/04 (2006.01) B28B 7/38 (2006.01) B28B 13/06 (2006.01) B28B 17/00 (2006.01)
Patent
CA 1164190
Abstract An elongate mould bed comprising a plurality of mutually adjacent vertically movable moulds arranged on pivotable mould holders is used in casting concrete elements. A first carriage, travelling on rails along the mould bed, successively strips the moulds by means of horizontally extending cylinders arranged to withdraw the mould holders and spring-loaded down-pressing rods arranged to press the mould downwardly against vertically movable mould supporting elements which carry the moulds to a lower position on the mould holder. The mould is then cleaned with the use of a second carriage having a plurality of vertically movable scraper plates arranged to engage the sides of the mould, and a plurality of blow nozzles arranged to deliver a jet of air at high pressure. Inserts such as rubber plates or the like, carried in cassettes provided with an outfeed mechanism, may then be emplaced by a third carriage, which also has separate means for firmly pressing the plates inserted in the mould and sealing the mould.
372921
Soderberg Sven
Steen Ingvar
A-Betong Ab/sabema Material Ab
Moffat & Co.
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