Patents
Patents for B28B 23 - Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material (3,841)
01/1993
01/07/1993EP0521747A1 Method for homogenous introducing of a solid charge in a porous substrate
01/07/1993EP0521476A1 Device for attaching the ends of tensioning rods through the front walls of a circulating form
12/1992
12/29/1992US5174910 Mold for forming pilot anchor holes in concrete
12/15/1992US5171507 Method for casting a resilient bulkhead gasket
12/15/1992US5171497 Applying stones to adhesive; spread with water absorbing polymer; then hardening compound, drying
12/15/1992US5171362 Concrete construction material and method adapted to prevent chemical corrosion of metals located adjacent thereto
12/08/1992US5169566 Forming powdered hydraulic cement composition and at least one getter into desired shape; hydrating without mixing
12/01/1992US5168008 Eliminating the formation of cracks in the composite by tensioning the steel prior to filling the bed with cement
12/01/1992US5167843 Revetment system and device
12/01/1992US5167710 Construction materials
11/1992
11/25/1992CN1066412A Light prefabricated parts and preparation and application thereof
11/11/1992CN2121318U Split prestressed stretch-draw fiddle
11/11/1992CN1066018A Manufacturing method of composite annual fiber cement panel
10/1992
10/21/1992EP0509607A1 Method of forming a substantially solid article using a stock mixture comprising ground plastic material, in particular waste material
10/21/1992EP0509209A1 Process for making a prefabricated concrete collecting vessel for water polluting liquids
10/20/1992US5155954 Device for temporary retention of a lifting element on a metal surface of a form during the concrete pouring and setting phases of a prefabricated concrete member
10/15/1992WO1992017660A1 Concrete block
10/06/1992US5152112 Composite girder construction and method of making same
09/1992
09/30/1992EP0506603A1 Monolithic cell and method for making the same
09/22/1992US5148645 Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board
09/17/1992DE4137156A1 Polystyrene concrete plates - formed by pouring polystyrene concrete conveyor with inserted fabric and light steel reinforcement and cutting to length when set
09/05/1992CA2037473A1 Method for the manufacture of molded reconstituted granite slabs
09/02/1992EP0501879A1 Concrete and method of pre-stressing; container made of such concrete
09/01/1992US5143674 Process for forming ferrocement products
09/01/1992US5143670 Construction materials formed by wetting polystyrene beads with water and a resin, drying and polymerization, covering and curing
08/1992
08/28/1992CA2061541A1 Concrete and its prestressing process and container manufactured with this concrete
08/20/1992WO1992013645A1 Method and apparatus for production of reinforced cementitious panels
08/19/1992EP0499439A1 Reinforced concrete structures comprising reinforced concrete and metal coated fibres
08/19/1992EP0499438A1 Reinforced concrete system
08/13/1992DE4203223A1 Reinforcing rods for pre-stressed concrete sleepers - have oblique cross-pieces to receive tensioning nuts
08/13/1992CA2061085A1 Cementitious composition
08/13/1992CA2061048A1 Reinforced concrete system
08/12/1992EP0498742A1 Arrangement for provisionally supporting a lifting element on a metallic forming surface during pouring and hardening of a prefabricated concrete element
08/12/1992EP0498637A1 The manufacture of reinforced concrete sections
08/09/1992CA2060841A1 Device for temporary support of a lifting component on a metal planking during the pouring and setting phases of prefabricated concrete
08/04/1992US5134758 Niche construction and method
08/04/1992US5134741 Bridge structure prefabricated with positive imprint end panels
08/02/1992CA2060060A1 Method and apparatus for production of reinforced cementitious panels
07/1992
07/22/1992EP0495333A1 Plant for making a building panel, and panel produced by this plant
07/14/1992US5129202 Fabric tile construction
07/09/1992DE4143190A1 Casting mould for reinforced concrete rail track sleepers - has replaceable rail support insert at bottom of mould area
07/07/1992US5127160 Method of fastening construction components in a casing for series-produced finished parts
07/07/1992CA1304594C Mold for producing tile-shaped floor elements for forming a double floor construction and a corresponding tile-shaped floor element
07/01/1992EP0493140A1 Prefabricated floor building elements of prestressed concrete, apparatus and method for their manufacturing
06/1992
06/30/1992US5126095 Method for encasing a storage tank in concrete
06/30/1992US5125619 Pipe supporting element for use on form boards used in concrete pouring operations
06/25/1992WO1992010611A1 Method and mould for casting pavement slabs
06/25/1992WO1992010349A1 A process and an apparatus for manufacturing a moulded article and a product made by the process
06/25/1992WO1992010345A1 Method and reinforcement for making multilayer construction articles
06/23/1992US5124093 Process for the production of concrete switch cross ties
06/23/1992US5123825 Device for inserting transport anchors in forms for concrete parts
06/17/1992EP0490629A2 Composite preforms, modules and structures
06/04/1992DE4110565C1 Mfg. sandwich panel with two concrete shells - involves upright shuttering with link bolts releasably inserted in one shuttering wall
06/03/1992EP0487978A1 Manufacturing method for pottery provided with flowing patterns or spreading patterns
06/03/1992CN2106057U Highway sign line magnesite floor brick
06/02/1992CA1302112C Composite plate, especially for raised floors
05/1992
05/29/1992WO1992008589A1 Apparatus for manufacturing prestressed concrete railway ties, and ties manufactured using such apparatus
05/19/1992US5113630 Adjustable stone formed work support and method of providing same
05/14/1992WO1992007695A1 A method of producing concrete elements
05/14/1992DE4100191C1 Mould for reinforced concrete sleepers - has several mould cavities and has jacking devices for tensioning reinforcement bars
05/12/1992US5111628 Panel to produce swimming pools particularly and its production process
04/1992
04/28/1992US5108671 Concrete formwork and method for forming a draft tube
04/23/1992DE4032919A1 Fibre concrete distance pieces - are sepd. from extruded strip into which plastics material strip engages
04/14/1992US5103616 Method and container for encapsulating tires
04/08/1992EP0479129A2 Apparatus and process for locating and securing inserts on a shuttering for making concrete prefabricated building elements
03/1992
03/18/1992EP0475302A1 Lightweight building material board
03/03/1992US5093065 Prestressing techniques and arrangements
02/1992
02/20/1992WO1992002344A1 Methods of manufacture and use for low density hydraulically bonded cement compositions
02/06/1992WO1992001845A1 Composite girder construction and method of making same
01/1992
01/15/1992EP0465755A2 Process for making reinforced concrete beams, slide-casting apparatus therefor, and reinforced concrete beams obtained thereby
12/1991
12/31/1991CA1293606C2 Fibrous mat-faced gypsum board
12/27/1991EP0462937A1 Equipment for making reinforced concrete slabs
12/27/1991EP0462350A1 Segment and method for prefabricating bridges and similar structures
12/24/1991US5074095 Pre-cast concrete panel and joist assembly and method of construction
12/23/1991WO1992000174A1 Method for entombment of container in concrete
12/12/1991WO1991019058A1 Clay tile and process for manufacturing it
12/04/1991EP0459271A2 Process for the continuous or sequenced manufacture of plates and/or products from water setting, fibre reinforced materials and obtained plates and/or products
11/1991
11/28/1991WO1991017875A1 Hydraulically bonded cement compositions and their methods of manufacture and use
11/27/1991EP0296215B1 Load carrying structures of low bulk density comprised of thin slabs and plates of reinforced concrete
11/21/1991DE4015953A1 Reinforced concrete manhole cover - has reinforcement in form of frame supported by welded on legs
11/14/1991WO1991017031A1 Method and apparatus for casting a body of concrete
11/07/1991DE4113752A1 Mould producing hollow concrete cylinder - has plate which remains in place after concrete has hardened
11/05/1991CA1291632C Brick panel walling
11/05/1991CA1291630C Molding for the retention of a tie in the concreting of a precast concrete part
10/1991
10/31/1991WO1991016514A1 Attachment for armuoring
10/30/1991EP0454098A2 Process for making the bottom piece of a shaft and apparatus for carrying out the process
10/29/1991US5060436 Apparatus for positioning anchor bolts within concrete
10/22/1991US5058854 Containment box installation tool
10/15/1991US5057355 Composite plate, especially for raised floors
10/15/1991CA1290587C Cement board having reinforced edges
10/09/1991CN1055137A Prodn. of reinforced-concrete cover plate for inspection well
10/08/1991US5055021 Intermediate anchor for centrifugal concrete mold for producing ring-shaped prestressed concrete bodies
10/02/1991EP0408593B1 Device for inserting transport anchors in forms for concrete parts
10/01/1991US5052654 Molded plastic void hold down device for concrete beam-slab formation
09/1991
09/24/1991US5051220 Coil shape hollow path, cut into plate, filled with an exother mally reacted pulverulent mixture and compressed with a platen
09/10/1991US5047185 Method of producing moldings
09/05/1991WO1991013214A1 Manholes and inspection chambers
08/1991
08/28/1991EP0443084A2 Fabric tile construction
07/1991
07/31/1991EP0439399A1 Modular unit for making prestressed concrete products
07/30/1991US5035592 Apparatus for concrete supply and form vibration
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