| Patents for B28B 1 - Producing shaped articles from the material (13,428) |
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| 10/06/1981 | US4293507 Preparation of shaped bodies |
| 10/01/1981 | WO1981002702A1 A method of casting consecutive concrete elements in a long mould bed,and a rail-bound carriage for mould-stripping |
| 10/01/1981 | WO1981002701A1 A method of cleaning moulds in a long mould bed for casting consecutive concrete elements and a rail-bound mould-cleaning carriage |
| 09/29/1981 | US4292262 Slip casting, microwave heating |
| 09/08/1981 | US4288263 Process for making plaster board |
| 09/02/1981 | EP0034801A1 Building panel |
| 09/02/1981 | EP0034580A1 Method and apparatus for manufacturing building blocks containing holes |
| 09/01/1981 | US4286938 Oval dish former |
| 08/26/1981 | EP0034345A1 Large-size construction panel, process for its production and storey-high wall slab of such construction panels |
| 08/26/1981 | EP0034217A1 Apparatus for manufacturing ceramic sanitary products |
| 08/25/1981 | CA1107484A1 Apparatus for producing a construction member |
| 08/25/1981 | CA1107460A1 Production of articles from minerals |
| 08/19/1981 | EP0033733A1 Method and apparatus for making a composite sheet material. |
| 07/28/1981 | US4280974 Process and apparatus for making a plurality of building modules having a foam core and a cementitious shell |
| 07/28/1981 | US4280800 Concrete slab surface finishing apparatus |
| 07/23/1981 | WO1981001979A1 Moulding of articles |
| 07/22/1981 | EP0032274A2 Mould, particularly for casting sanitary appliances with an integral rim of closed or open type |
| 07/21/1981 | CA1105244A1 Machine for extruding hollow cored concrete sections |
| 07/14/1981 | CA1104798A1 Method and apparatus for precasting concrete products |
| 06/30/1981 | US4276015 Method and apparatus for molding clay pigeons and the like |
| 06/30/1981 | CA1103969A1 Method and apparatus for controllably recycling the solids content of the effluent from an asbestos- cement poducts forming plant |
| 06/30/1981 | CA1103906A1 Mould for casting ceramic slip |
| 06/24/1981 | EP0030770A1 Mould for casting sanitary appliances with a closed integral rim, or projecting undercut parts |
| 06/23/1981 | CA1103572A1 Plaster board panels |
| 06/17/1981 | EP0030293A1 Method of achieving uniform shrinkage in a laminated planar green ceramic substrate during sintering and apparatus therefor |
| 06/16/1981 | US4273522 Reinforcing member support in concrete extruders |
| 06/09/1981 | US4272230 Slip form for building components |
| 06/03/1981 | EP0029430A1 Moulding of construction products. |
| 05/26/1981 | CA1101687A1 Simulated brick panel, composition and method |
| 05/19/1981 | US4268001 Mold for casting ceramic materials |
| 05/12/1981 | US4267136 Production of thin, plastic-reinforced, hydraulically bound boards |
| 05/12/1981 | US4267065 Said slurry being a misture of metal oxides capable of forming a ferrite |
| 05/12/1981 | CA1100843A1 Method and apparatus for preparing slurry |
| 05/12/1981 | CA1100738A1 Reinforced concrete building element |
| 05/05/1981 | US4265979 Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom |
| 05/05/1981 | US4265609 Method and apparatus for molding concrete block products |
| 05/05/1981 | CA1100297A1 Reinforcing member support in concrete extruders |
| 04/29/1981 | EP0027489A1 Nonflammable building material and process for its preparation |
| 04/28/1981 | US4263843 Method and apparatus for controlled removal of excess slurry from organic foam |
| 04/22/1981 | EP0027220A1 Process and apparatus for producing a light building element |
| 04/14/1981 | USRE30575 Precipitation on layers of spaced asbestos fibers |
| 04/14/1981 | US4261938 Method of producing glazed ceramic building materials |
| 04/14/1981 | US4261754 Polyolefin reinforced cement |
| 04/14/1981 | US4261706 Method of manufacturing connected particles of uniform size and shape with a backing |
| 04/14/1981 | US4261694 Air vibrated/winched concrete screed |
| 04/14/1981 | US4261693 Partition block and method of manufacture |
| 04/07/1981 | US4260352 Apparatus and methods for discharging fluent material to block making machinery |
| 04/07/1981 | US4259824 Precast concrete modular building panel |
| 03/31/1981 | US4259282 Adobe brick making machine and method |
| 03/31/1981 | US4259279 Method of casting in molds for the production of ceramic hollowware |
| 03/31/1981 | US4259273 Intumescent hydrated metal salt |
| 03/31/1981 | US4259061 Flat setter plate of molybdenum, tantalum, tungsten, or alloys thereof, with coating of ceramic |
| 03/31/1981 | US4259050 Multi-purpose installation for the manufacture of small and medium products of reinforced and unreinforced concrete |
| 03/25/1981 | EP0025669A2 Method of moulding a ceramic article by slip-casting |
| 03/24/1981 | US4257834 Solidified binder filling pattern |
| 03/24/1981 | US4257710 Continuous process mixing of pulverized solids and liquids and mixing apparatus |
| 03/11/1981 | EP0024980A1 Self-cleaning apparatus for moulding plaster |
| 03/10/1981 | US4255104 System for casting and handling concrete railroad ties |
| 03/03/1981 | US4254077 Method for making decorative inlaid concrete blocks |
| 03/03/1981 | US4253817 Concrete railroad tie casting and handling system |
| 03/03/1981 | CA1096762A1 Method and apparatus for molding articles from fibrous material |
| 02/25/1981 | EP0024160A1 Mould for casting ceramic material |
| 02/24/1981 | US4252759 Collagen-mucopolysaccharide reaction product |
| 02/17/1981 | US4251196 Apparatus for precasting concrete products |
| 02/11/1981 | EP0023489A1 Solar heater |
| 02/09/1981 | WO1981000375A1 Method and apparatus for the production of composite sheet material and a sheet material produced thereby |
| 02/04/1981 | EP0023442A1 Press for moulding concrete products |
| 02/03/1981 | US4248815 Process for the manufacture of gate valves for closure devices having a pouring nozzle and similar objects |
| 01/28/1981 | EP0022884A1 Method and apparatus for bending sheet material and bent sheet material obtained |
| 01/27/1981 | US4247269 Concrete placing apparatus |
| 01/07/1981 | EP0021981A1 Method and apparatus for moulding workpieces of molten ceramic material |
| 01/07/1981 | EP0021183A1 Ceramic material processing |
| 01/07/1981 | EP0020345A1 Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom |
| 01/06/1981 | CA1092792A1 Glide casting machine for the manufacturing of hollow slabs and equivalent |
| 12/30/1980 | US4242407 Process for the manufacture of articles of water-hardening material |
| 12/30/1980 | US4242406 Fiber reinforced composite structural laminate composed of two layers tied to one another by embedded fibers bridging both layers |
| 12/30/1980 | US4242071 Concrete railroad tie casting and handling system |
| 12/16/1980 | US4239716 Gypsum moldings as building materials and methods manufacturing the said gypsum moldings |
| 12/10/1980 | EP0020064A1 Mould for casting ceramic material |
| 12/09/1980 | US4238177 Molding machine with vibration isolation |
| 12/09/1980 | CA1090968A1 Moulding apparatus |
| 11/25/1980 | US4235580 Noise suppression structure for block making machinery |
| 11/11/1980 | US4233368 Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom |
| 11/04/1980 | US4231984 Process for the production of molded phosphate bonded refractory articles |
| 10/30/1980 | WO1980002251A1 Method and apparatus for manufacturing building blocks containing holes |
| 10/29/1980 | EP0018171A1 Oval dish forming method and apparatus |
| 10/21/1980 | US4229503 Coating uncured cementitious roofing tiles |
| 10/21/1980 | US4229153 Apparatus for use in slip forming structural concrete members |
| 10/14/1980 | US4228113 Process for making objects from mineral fillers bonded with a thermosetting resin |
| 10/01/1980 | EP0016073A1 Method for manufacturing insulating construction elements, apparatus for carrying out the method, and construction element obtained by the method. |
| 09/23/1980 | US4224274 Method for manufacture of concrete products |
| 09/23/1980 | US4223502 Building panel with stone facing and glass fiber reinforced concrete |
| 09/18/1980 | WO1980001888A1 Moulding of construction products |
| 09/09/1980 | US4221633 Method and apparatus for controllably recycling the solids content of the effluent from an asbestos-cement products forming plant |
| 09/09/1980 | CA1085182A1 Composite module with reinforced shell |
| 08/26/1980 | CA1084246A1 Machine and forms for precasting concrete products |
| 08/21/1980 | WO1980001715A1 Solar heater |
| 08/06/1980 | EP0013675A1 Process for manufacturing slabs |
| 08/05/1980 | US4216043 Embossed patterning of asbestos-cement and like sheets |
| 07/29/1980 | CA1082411A1 Method for making blocks and plates from pieces of marble and other natural stones |