Device for manufacturing stones

Details Device for manufacturing stones Device for manufacturing stones

1988-04-29

1989-08-15

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means to form preform from bulk and means to convolute or...

Convoluting means includes an endless surface

425411, 425413, 425414, B29C 4342

Patent

active

048569763

ABSTRACT:
Device for manufacturing stones, provided with a frame, with a mould having boundary walls defining moulding rooms inside the mould, with a stamp movable up-and-down arranged above the mould and with a table arranged under the mould. Filling pieces are movable between a first position, in which they are located under the mould and whereby, see in top view, at least parts of the filling pieces project from the walls for forming recesses, and a second position, in which the filling pieces are located beside the mould, seen in top view. Extensions are connected to the filling pieces, those extensions being movable forward and backward and co-operating with guide means for guiding the filling pieces, whereby the extensions project from the mould in the first position.

REFERENCES:
patent: 2475435 (1949-07-01), Rasmussen
patent: 2624928 (1953-01-01), Long
patent: 3679340 (1972-07-01), Springs
patent: 4427355 (1984-01-01), Vatterott

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