Patents for B28B 7 - Moulds; Cores; Mandrels (12,030)
08/1981
08/11/1981CA1106582A1 Process for forming ceramic bodies employing aqueous lubricant
07/1981
07/28/1981US4280974 Process and apparatus for making a plurality of building modules having a foam core and a cementitious shell
07/23/1981WO1981002010A1 Plaster products and a process for the production thereof
07/23/1981WO1981001979A1 Moulding of articles
07/21/1981US4279399 Concrete beam molding apparatus
07/14/1981CA1104798A1 Method and apparatus for precasting concrete products
06/1981
06/30/1981CA1103906A1 Mould for casting ceramic slip
06/24/1981EP0030770A1 Mould for casting sanitary appliances with a closed integral rim, or projecting undercut parts
06/23/1981US4274824 Mold box apparatus
06/17/1981EP0030250A1 Method of producing concrete elements with an exposed pattern
06/17/1981EP0030247A1 Moulding apparatus for toy construction-elements
06/10/1981EP0029832A1 Mould for and method of moulding concrete panels.
06/09/1981US4272230 Slip form for building components
06/09/1981US4272050 Method and apparatus for pre-casting steel reinforced concrete box-like modules
06/03/1981EP0029430A1 Moulding of construction products.
06/02/1981US4271111 Embossed concrete building panels and method
06/02/1981US4270893 Mold for molding hollow bricks by means of a press
05/1981
05/28/1981WO1981001388A1 Moulding process
05/26/1981CA1101687A1 Simulated brick panel, composition and method
05/12/1981US4266921 Method and apparatus for the manufacture of concrete and like products
05/12/1981CA1100738A1 Reinforced concrete building element
05/12/1981CA1100737A1 Method and arrangement for the manufacture of pre- cast plate-like concrete elements on the building site
05/05/1981US4265610 Press for compressing refractory material and including a quick change mold box
05/05/1981US4265609 Method and apparatus for molding concrete block products
04/1981
04/22/1981EP0027376A1 Moulding equipment for manufacturing building blocks and building block manufactured by this equipment
04/14/1981US4261693 Partition block and method of manufacture
04/07/1981US4259824 Precast concrete modular building panel
03/1981
03/31/1981US4259050 Multi-purpose installation for the manufacture of small and medium products of reinforced and unreinforced concrete
03/10/1981CA1097038A1 Method of and apparatus for firing bodies of silica- or alumina-containing granules
03/03/1981US4253637 Device for molding structural elements of toys
03/03/1981US4253636 Concrete molding machine
02/1981
02/24/1981US4252760 Method and apparatus for manufacturing articles by pressing and sintering
02/24/1981US4252295 Natch for multi-part mold
02/24/1981US4252293 Hydraulic mold release mechanism for precast concrete products
02/24/1981US4252292 Apparatus and method for molding the exterior of building modules
02/24/1981US4252291 Apparatus and method for molding building modules
02/17/1981US4251196 Apparatus for precasting concrete products
02/10/1981US4249358 Process and installation for moulding paving stones or slabs
02/04/1981EP0023442A1 Press for moulding concrete products
02/03/1981US4248637 Sanitary casting mold composed of silica, alumina and calcium oxide
01/1981
01/28/1981EP0022884A1 Method and apparatus for bending sheet material and bent sheet material obtained
01/27/1981CA1094300A1 Apparatus and method for production of precast manhole bases
01/13/1981US4244682 Portable concrete molding apparatus
01/07/1981EP0021905A1 Method and device for stripping prestressed concrete products moulded on a long bed
12/1980
12/16/1980US4239176 Concrete construction system
12/09/1980US4238105 Mold panel for casting concrete
11/1980
11/27/1980WO1980002527A1 Concrete mould and method of moulding concrete panels
11/18/1980US4234534 Method and apparatus for manufacturing articles of hydraulic substances
11/18/1980CA1089667A1 Prefabricated building components of expanded material and cement and method for producing the same
10/1980
10/30/1980WO1980002251A1 Method and apparatus for manufacturing building blocks containing holes
10/21/1980US4228985 Apparatus for producing molded concrete products
10/01/1980EP0016478A2 Wall made of a plurality of pre cast cementitious panels
09/1980
09/30/1980US4225544 Method for fabricating a sparger plate for use in degassing of molten metal
09/23/1980US4224274 Method for manufacture of concrete products
09/18/1980WO1980001888A1 Moulding of construction products
08/1980
08/26/1980CA1084246A1 Machine and forms for precasting concrete products
08/21/1980WO1980001699A1 Artificial block for maritime and fluvial structures
08/19/1980US4218206 Mold box apparatus
07/1980
07/29/1980US4214408 Monolithic room enclosing module and method of forming the same
07/22/1980US4213929 Dissolving a foam polymer core
07/22/1980US4213926 Method for making a decorative plate used in a building
07/22/1980US4213236 Tool for deforming a plurality of groove defining flanges against insulating bars in the grooves
07/22/1980CA1081923A1 Slip form for concrete and method of slip forming
07/01/1980CA1080449A1 Method of forming moulded articles
06/1980
06/17/1980US4207718 Concrete block wall
06/17/1980CA1079498A1 Manufacturing benches for moulded construction elements
06/10/1980US4207042 Casting and erecting machine
06/10/1980US4207041 Mobile cement block making machine
06/03/1980US4206163 Jobsite apparatus for horizontal casting and vertical stacking of thick insulated concrete panels
05/1980
05/27/1980US4205040 Exposed aggregate finishing method for concrete
05/27/1980CA1078125A1 Apparatus for the construction of a domed structure such as an igloo
05/20/1980US4203714 Apparatus for vacuum processing of concrete
04/1980
04/30/1980EP0010238A1 Building block for tall buildings with recesses for inserting insulating material, and process for the manufacture and use of such a building block
04/29/1980CA1076329A1 Method of manufacturing a slip cast article
04/17/1980WO1980000673A1 Combination bed concrete casting apparatus
04/02/1980EP0009057A1 Casing battery for casting concrete building elements
04/02/1980EP0009056A1 Method of manufacturing concrete tubular building elements
04/01/1980US4196161 Method for precasting concrete products
03/1980
03/25/1980US4194946 Process for continuously preparing fiber reinforced cement
03/18/1980US4193754 Vibrating apparatus for forming concrete blocks
03/11/1980US4192064 High strength extended leakage path ceramic tube wall for image intensifier and method of manufacture
03/04/1980US4191521 Battery moulding of panels
02/1980
02/19/1980US4188943 Method of producing a dismountable, reinforced plaster mold or plaster cast and means therefor
02/12/1980CA1071424A1 Adjustable molding forms
02/12/1980CA1071388A1 Frame structure for casting concrete building panels
02/12/1980CA1071387A1 Apparatus for casting articles of concrete or other material
02/06/1980EP0007358A1 Method of moulding concrete
02/05/1980US4187069 Combination die and pallet assembly
01/1980
01/15/1980US4183497 Chamfer strip for concrete structures
01/15/1980US4183324 Concrete slotted floor including wooden insert
01/15/1980US4183188 Simulated brick panel, composition and method
01/01/1980US4181696 Slip-cased core-forming mandrel
01/01/1980US4181485 Tiltable mold and shed means
01/01/1980US4181286 Reinforced plastic mold for concrete panels
12/1979
12/27/1979WO1979001149A1 A method of manufacturing a laminate
12/25/1979US4180233 Building construction system
12/12/1979EP0006080A1 A method of manufacturing a laminate
12/11/1979US4178343 Manufacture of precast concrete units and a building constructed therewith
12/11/1979US4178338 Method of casting thin-walled, hollow concrete posts
12/11/1979CA1067681A1 Combination die and pallet