Method and an apparatus for producing compound block members, especially building blocks having a heat insulating intermediate layer
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United States of America Patent
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-
Aug 1, 1989
Grant Date -
N/A
app pub date -
Mar 1, 1988
filing date -
Jul 2, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For continuous production of block members consisting of outer block elements (2) having an intermediate layer (4) of a binding material, especially lightweight concrete building blocks with a heat insulating intermediate layer of foamed polyurethane, a conveyor is used which has a chain (8) of L-shaped plate members (10) consisting of a carrier plate (14) and another plate portion (16) projecting outwards therefrom. The block elements are placed in spaced pairs on the carrier plate, and the intermediate space is filled with foam material at a dosing station (28). Because of the L-shape of the plate members (10) the block elements (2) may easily be supplied onto the chain as this passes a sprocket wheel (18), and the block elements may be fed to the conveyor during continuous movement of the chain.
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