Multifunctional concrete building elements - opt. having air circulating passages, insulative cores or aggregate, solar trap or decorative surfacing
FR2424116A1
Frozen void former for concrete - consists of water or water bound materials with wall thickness chosen to provide desired structural properties
FR2418705A1
Relief pattern prodn. for concrete slab - using refrigerated dies which penetrate screeded layer of fresh concrete on refrigerated table
FR2405376A1
Hydraulic turbine with inclined axis - has speed controlled by varying angle of inclination, and water supply via inlet channel extending under upper region of disc
FR2388581A1
Liquid separator for removing oils from water - employing a refrigerator to freeze the oil and thereby achieve separation
FR2378198A1
Self contained ground anchor screw - is self tapping and can carry posts, hooks or other attachments
FR2367978A1
Concrete post moulding machine - has hydraulic jack to rotate mould frame in steps with cooling water supplied from rotating tank
FR2367868A1
Fence post which yields under impact - has base plate bolted to rubber pad that is retained in head of buried reinforced concrete base
FR2337822A1
Machine working by weight displacement - has weighted arms arranged to swing and turn wheel via lever and ratchet mechanism
FR2346524A1
Concrete reinforcement prodn. mechanism - consists of metal frame with several reels for reinforcing wire
FR2247889A5
Concrete article moulding plant - has filled moulds carried by chain conveyor through refrigerated liquid
FR2241667A1
Precast concrete building panels - are ribbed light-weight slabs forming walls and roofs or floors
DE2337064A1
PROCESS AND DEVICE FOR MANUFACTURING COMPONENTS FROM CONCRETE OR MOERTEL
FR2201383A1
Floor beam rib orientation - with ribs resting perpendicularly to supports, for reduced beam wt.
FR2196601A5
Cast concrete elements - eg plates, beams etc
CA961243A
Manufacture of concretes and mortars
FR2165148A6
Concrete and mortar mixt - frozen for easy transport and thawed for use
