| 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) |
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| 12/28/1982 | US4365782 Moulding tool |
| 12/21/1982 | US4364790 Apparatus for making plaster board |
| 12/15/1982 | EP0066979A1 Concrete sandwich panel |
| 12/07/1982 | US4361995 U-Shaped plasterboard |
| 11/23/1982 | US4359848 Concrete slab assembly, especially for building facades |
| 11/10/1982 | EP0064377A2 Apparatus for the slide forming of prestressed concrete |
| 10/27/1982 | EP0063505A1 Glass-fibre reinforced material based on cement, and process for its production |
| 10/26/1982 | US4355782 Mold for forming fireplaces |
| 10/13/1982 | EP0062387A1 Implant of ceramic material |
| 09/21/1982 | US4350483 Apparatus for the continuous production of building elements having cellular cores |
| 09/14/1982 | US4349150 Concrete sleeper with the fastening housing |
| 09/14/1982 | US4348848 Segregated slab structural products |
| 09/07/1982 | US4348013 Device of refractory porous material for blowing gas into a bath of liquid metal |
| 09/02/1982 | WO1982002916A1 A beam-like building component of curable material;a method of manufacturing such a building component;and a method for producing a frame or structure for a building or part of a building with the use of such building material |
| 08/24/1982 | US4345887 Device for the pouring of plaster |
| 08/18/1982 | EP0057943A2 Method for the manufacture of a hollow concrete plate used as heat exchanging element |
| 08/17/1982 | US4345001 Process for the manufacture of water-hardening material reinforced with open meshed films |
| 08/17/1982 | US4344910 Process for the manufacture of water-hardening material |
| 08/17/1982 | US4344804 Process and apparatus for the manufacture of fiber-reinforced hydraulically bound articles such as cementitious articles |
| 08/11/1982 | EP0057635A2 Method, self supporting screens and installations for the improvement of the efficiency of the methods of making prestressed concrete products |
| 07/20/1982 | CA1127827A1 Method of manufacturing concrete sleeper blocks and a matrix array for carrying out the method |
| 07/14/1982 | EP0055877A2 Battery-molding method, tiltable molding apparatus and use of the apparatus in the method |
| 07/13/1982 | CA1127380A1 Method of manufacturing prestressed construction elements in a long mould bed |
| 07/08/1982 | WO1982002167A1 Method for manufacturing railway sleepers made of concrete and elements used for the implementation thereof |
| 06/30/1982 | EP0054983A1 Method of manufacturing concrete railway ties and elements used for carrying it out |
| 06/29/1982 | US4337221 Placing a u-tube containing a bi-metal junction in a mould, filling with ceramic |
| 06/23/1982 | EP0054276A1 Process for making machine elements from synthetic concrete, as well as these elements, particularly supports for machine tools |
| 06/23/1982 | EP0054167A2 Apparatus for manufacturing a concrete panel |
| 06/15/1982 | US4335177 Glass fiber-reinforced cement plates |
| 06/15/1982 | US4334786 Process and mechanism for evolutive pulp flow regulation |
| 06/15/1982 | CA1125504A1 Fused cast blocks based on refractory oxides and having a steel member embedded therein |
| 06/09/1982 | EP0053587A1 Shuttering for the fabrication of two-slab panels |
| 06/08/1982 | CA1125143A1 Process and mechanism for evolutive pulp flow regulation |
| 05/26/1982 | EP0052440A2 Improvements in or relating to the casting of prestressed concrete beams |
| 05/18/1982 | US4330243 Apparatus for moulding concrete elements |
| 05/12/1982 | EP0051498A2 Process for the preparation of manufactured products based on hydraulic binders |
| 05/12/1982 | EP0051101A1 Cement slab, and process and device for producing the same |
| 05/05/1982 | EP0050798A1 Plug for fastening rails on prestressed concrete sleepers |
| 04/27/1982 | CA1122383A1 Process for the manufacture of articles of water-hardening material |
| 04/14/1982 | EP0049692A1 Process for producing double slabs, and a device suitable for realizing said process |
| 04/14/1982 | EP0049456A2 Moulded body for producing a cavity in a finished concrete product |
| 04/14/1982 | EP0049455A2 Moulded body for holding an anchor and for producing a cavity in a finished concrete product |
| 04/07/1982 | EP0048753A1 Segregated slab structural products, process and apparatus for making segregated slab structural products, and structures incorporating such products |
| 03/16/1982 | CA1119785A1 Automatic manufacture of concrete building blocks |
| 02/23/1982 | US4316595 Concrete post forming apparatus |
| 02/10/1982 | EP0045648A1 Reinforcement product for use in cement boards and a method of manufacturing said products and boards |
| 02/02/1982 | US4314003 Method of incorporating multifilament strands of carbon fibers into cement to produce reinforced structures having improved flexural strengths |
| 01/26/1982 | US4312822 Molding cement in two-steps with expanded material |
| 01/06/1982 | EP0042935A1 Shaped article and composite material and method for producing same |
| 12/29/1981 | US4307550 Apparatus for pre-stressing concrete structural member |
| 12/22/1981 | US4306395 Lightweight cementitious product and method for making same |
| 12/15/1981 | CA1114136A1 Method for making thin, plastic-reinforced, hydraulically bound boards |
| 11/24/1981 | US4302414 Method of incorporating multifilament strands of carbon fibers into cement to produce reinforced structures having improved flexural strengths |
| 11/24/1981 | CA1112850A1 Manufacture of prestressed products |
| 11/17/1981 | CA1112468A1 Method and apparatus for installing a gasket in the peripheral wall of an opening in a masonry wall |
| 11/12/1981 | WO1981003170A1 Shaped article and composite material and method for producing same |
| 10/27/1981 | US4297409 Asbestos-free cement product |
| 10/27/1981 | US4296909 Apparatus for forming recess around a pickup bolt of a concrete body |
| 10/20/1981 | CA1110813A1 Impact-resisting composites |
| 10/15/1981 | WO1981002910A1 Segregated slab structural products,process and apparatus for making segregated slab structural products,and structures incorporating such products |
| 10/07/1981 | EP0037126A1 A method and a former for the manufacture of building elements and elements thus obtained |
| 10/06/1981 | CA1110044A1 Molding fabrication of concrete railroad overpasses |
| 09/22/1981 | US4290991 Method of manufacturing concrete sleeper blocks and a matrix array for carrying out the method |
| 09/08/1981 | US4288263 Process for making plaster board |
| 09/02/1981 | EP0034899A1 Jointing techniques for concrete members |
| 08/11/1981 | CA1106579A1 Process and apparatus for continuously prestressing concrete products |
| 07/07/1981 | CA1104436A1 Manufacture of articles made from a water-hardenable mass and a reinforcing element |
| 07/01/1981 | EP0031187A1 Process for the manufacture of objects from water-hardened material |
| 06/30/1981 | US4276331 Thermal insulation |
| 06/17/1981 | EP0030501A1 Porous refractory element and its manufacturing method |
| 06/16/1981 | US4273740 Process and apparatus for manufacturing single piece railroad ties of prestressed concrete |
| 06/16/1981 | US4273522 Reinforcing member support in concrete extruders |
| 06/16/1981 | US4272875 Device to align the end fittings in the casting of concrete piles |
| 06/10/1981 | EP0029832A1 Mould for and method of moulding concrete panels. |
| 06/09/1981 | US4272230 Slip form for building components |
| 06/02/1981 | US4271111 Embossed concrete building panels and method |
| 05/26/1981 | CA1101689A1 Steel rods, especially reinforcing or tensioning rods |
| 05/26/1981 | CA1101687A1 Simulated brick panel, composition and method |
| 05/20/1981 | EP0028867A2 Composites of water-hardening substance and organic film networks and method of producing these composites |
| 05/12/1981 | US4267136 Production of thin, plastic-reinforced, hydraulically bound boards |
| 05/05/1981 | US4265981 Helically wrapped reinforcing filaments embedded in a matrix material |
| 05/05/1981 | CA1100547A2 Manhole seal and method of installation therefor |
| 05/05/1981 | CA1100297A1 Reinforcing member support in concrete extruders |
| 04/14/1981 | US4261544 Element locator for concrete |
| 04/14/1981 | US4261150 Prefabricated construction elements provided with a reinforcement operating as a caisson, equipment for producing such elements and method of fabrication and application in building erection |
| 04/07/1981 | US4259824 Precast concrete modular building panel |
| 04/07/1981 | CA1098729A1 Process for producing prefabricated panels and tridimensional elements for building and products obtained from said process |
| 03/24/1981 | US4257993 Method of producing fibre-reinforced concrete and shaped parts produced by this method |
| 03/24/1981 | US4257710 Continuous process mixing of pulverized solids and liquids and mixing apparatus |
| 03/17/1981 | US4255915 Process for producing prefabricated panels and tridimensional elements for building and products obtained from said process |
| 03/11/1981 | EP0024980A1 Self-cleaning apparatus for moulding plaster |
| 03/10/1981 | US4255104 System for casting and handling concrete railroad ties |
| 03/10/1981 | CA1097098A1 Floor plate for foot path and method of laying walkable roof plate |
| 03/03/1981 | US4253817 Concrete railroad tie casting and handling system |
| 03/03/1981 | US4253636 Concrete molding machine |
| 02/17/1981 | US4251047 Swivel hold-down device |
| 02/10/1981 | US4249873 Manufacture of prestressed products |
| 01/27/1981 | US4247516 Method of making prestressed concrete poles, tubes, and support columns |
| 01/07/1981 | EP0021905A1 Method and device for stripping prestressed concrete products moulded on a long bed |
| 01/07/1981 | EP0021362A1 Process and device for the manufacture of reinforced concrete slabs |