| Patents for B28B 7 - Moulds; Cores; Mandrels (12,030) |
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| 05/03/1990 | WO1990004693A1 Adjustable mould for casting of stairways in concrete |
| 05/03/1990 | WO1990004504A1 Form clamp to join panels, in particular, cement casting forms |
| 05/01/1990 | US4921204 Adjustable median barrier mold |
| 04/25/1990 | EP0365099A1 A device for producing brick mouldings |
| 04/19/1990 | CA2000920A1 Adjustable mould for casting of stairways in concrete |
| 04/17/1990 | US4918034 Melting parent metal, oxidizing, embedding filler |
| 04/17/1990 | US4917935 Ceramic packing |
| 04/17/1990 | US4917838 Method of manufacturing green bricks with smooth side surfaces |
| 04/17/1990 | US4917587 Apparatus for the production of building units from afterhardening materials |
| 04/12/1990 | DE3838711C1 Process and system for producing double-shelled wall elements |
| 04/11/1990 | EP0362345A1 Coloured stearates |
| 03/22/1990 | WO1990002651A1 Device for detachably fastening a mould frame |
| 03/20/1990 | US4909974 Cycles of mixing weighed mixture in distributor; conveying to mold; vibration |
| 03/20/1990 | US4909970 Biaxial concrete masonry casting method |
| 03/20/1990 | US4909717 Biaxial concrete masonry casting apparatus |
| 03/14/1990 | EP0358577A1 Pallet for storing and handling various products, and method for its manufacture |
| 03/14/1990 | CN1040409A Mould and method for production of moulded objects from fluidized material |
| 03/13/1990 | US4908174 Placing hardenable plastic material and accelerator into mold, the composition containing a water in oil emulsion, hardening, dewatering, drying |
| 03/07/1990 | EP0357058A1 Method for casting powder |
| 03/06/1990 | US4906449 Method for hydrating hemihydrate gypsum |
| 03/06/1990 | CA1266510A1 Device for continuously measuring the linear density of a textile product |
| 02/21/1990 | EP0354946A1 A mould bulkhead. |
| 02/20/1990 | US4902211 Pouring into molds with removable walls, stiffening, autoclaving |
| 02/15/1990 | DE3826940A1 Apparatus and process for moulding refractory products |
| 02/13/1990 | US4900699 Heating metal and reservoir sources, contacting with filler, oxidizing, embedding filler in oxidation product |
| 02/08/1990 | WO1990000944A1 Mould and method for the production of moulded objects from a fluidized material |
| 01/30/1990 | US4896472 Building block and system |
| 01/25/1990 | WO1990000647A1 Process for manufacturing a point sleeper from concrete |
| 01/25/1990 | DE3824995A1 Process for producing ceramic plates and apparatus for carrying out the process |
| 01/18/1990 | DE3823897A1 Apparatus and process for producing refractory blocks |
| 01/17/1990 | EP0350620A1 Method for manufacturing concrete sleepers for switch points |
| 01/03/1990 | CN1038426A Plaster fresco imitative of ceramic |
| 01/02/1990 | US4890999 Molding machine |
| 01/02/1990 | CA1264108A1 Slide casting concrete with longitudinal cavity by oscillatng lobed mandrel |
| 12/28/1989 | DE3821434A1 Einrichtung zum versehen der oberflaeche einer tafel, die fuer verschalungen verwendet wird, mit einem duennen ueberzug Means for providing the surface of a panel that is used for fairings, with a thin coating |
| 12/26/1989 | US4889666 Method for producing concrete products provided with inlaid patterns |
| 12/21/1989 | DE3820611A1 Device for manufacturing components made of ceramic or refractory material with at least one incorporated slot-shaped through-duct |
| 12/21/1989 | DE3820495A1 Apparatus and process for producing mouldings from an uncured fibre-reinforced hydraulic composition |
| 12/14/1989 | WO1989011957A1 Modular moulding system |
| 12/12/1989 | US4886633 Method for manufacturing stones in a press |
| 12/06/1989 | EP0345022A1 Method for producing ceramics sintered article |
| 11/30/1989 | DE3249917C2 Process for producing concrete or gypsum panels with coloured pictorial decoration and apparatus for carrying out the process |
| 11/29/1989 | CN2048423U Mould for producting anti-vibration, anti-crack block |
| 11/23/1989 | EP0342657A2 Shuttering for simultaneously making several arc-shaped elements from concrete or the like. |
| 11/23/1989 | EP0342272A1 Process for the treatment of alpha-calciumsulphate-hemihydrate |
| 11/21/1989 | US4881714 Concrete molding system with tubs |
| 11/08/1989 | CN1036920A Process for forming ceramic tile concrete structure |
| 11/08/1989 | CN1005690B Core setter |
| 11/02/1989 | DE3822162C1 Concrete parting agent comprising a mixture of liquid base material and an additive |
| 11/02/1989 | DE3813851A1 Method of applying a colour decoration in the form of unevenly distributed flecks of different colour intensity (variegation) onto and into the facing layer of a two-layered panel |
| 11/01/1989 | CN1036726A Manufacture method of ceramics with through pattern |
| 10/26/1989 | DE3831726C1 Process for producing a moulded brick in the shape of a truncated cone for gas bubble bricks |
| 10/24/1989 | US4876151 Building material and method of producing the building material |
| 10/11/1989 | EP0335927A1 Mould for manufacturing plate-like floor elements for false floors and corresponding plate-like floor elements |
| 10/11/1989 | CN1036243A Shutterings with hand-stripping device |
| 10/10/1989 | US4872823 Apparatus for forming a columnar reinforcement in a concrete wall panel |
| 10/05/1989 | WO1989009122A1 Coloured stearates |
| 10/03/1989 | CA1262036A1 Manufacturing method of a ceramics body having through holes |
| 09/26/1989 | US4869660 Apparatus for fabrication of concrete brick |
| 09/26/1989 | CA1259814A1 Concrete structural elements, process and device for manufacturing these elements |
| 09/20/1989 | EP0241491B1 Form tool, in particular for processing plastic and synthetic resin concrete or mortar molding materials |
| 09/19/1989 | US4867411 Manhole invert casting system |
| 09/12/1989 | US4865783 Method of manufacturing a reusable mold |
| 09/07/1989 | DE3905305A1 Closure for mould frames |
| 09/06/1989 | EP0331583A1 Devices for making recesses in concrete |
| 09/06/1989 | EP0331484A2 Molding device with hand operable mold releasing mechanism |
| 09/05/1989 | US4864271 Pressure sensor |
| 08/31/1989 | DE3805550A1 Process and apparatus for producing concrete parts |
| 08/31/1989 | DE3805193A1 Process for producing high-strength ceramic fibres and shaped bodies and use thereof |
| 08/30/1989 | CN2043549U Gas-filled stripping device for precast concrete mould |
| 08/30/1989 | CN1035098A Method for hydrating gypsum semihydrate |
| 08/23/1989 | EP0328754A2 Method of forming shaped-body to be sintered |
| 08/22/1989 | US4859640 Method of making ceramic composite articles with shape replicated surfaces |
| 08/22/1989 | US4859243 Carbon fiber-reinforcing gypsum models and forming molds, gypsum powder materials for making such models and molds, and a method for producing them |
| 08/16/1989 | EP0328158A1 A method for improving the release of a cast concrete item from the mould by applying to the mould a mould release composition |
| 08/15/1989 | US4857256 Jiggering method and profile tool for ceramic ware plastic clay |
| 08/15/1989 | US4856976 Device for manufacturing stones |
| 08/15/1989 | US4856754 Concrete form shuttering having double woven fabric covering |
| 08/10/1989 | WO1989007041A1 A mould bulkhead |
| 08/10/1989 | DE3815178C1 Process for the repeated use of the metal base plate of a shuttering for series-produced prefabricated parts consisting of concrete with a different arrangement of installation parts |
| 08/09/1989 | EP0326882A2 Process and apparatus for making blocks from ceramic or fireproof material with channels extending therethrough |
| 08/01/1989 | US4853170 Process for producing press molded articles provided with channels from powdery molding compounds |
| 07/26/1989 | CN2041615U No-leakaging mortar concrete centrifugal product steel model groove |
| 07/26/1989 | CN1004877B Phenolic resin-polyisocyauate adhisive system |
| 07/19/1989 | EP0324530A2 Method for manufacturing stones in a press, and press for manufacturing said stones |
| 07/13/1989 | DE3744502A1 Shuttering system, for example for prefabricated parts |
| 07/11/1989 | US4847025 Method of making ceramic articles having channels therein and articles made thereby |
| 07/11/1989 | US4846438 Molding device with hand operable mold |
| 06/29/1989 | DE3742417A1 Process and apparatus for producing from concrete a slightly conical container which is open at the top |
| 06/28/1989 | EP0180625B1 Barrier with internal ducts and construction method |
| 06/27/1989 | US4842241 Lightweight plastic concrete mold |
| 06/21/1989 | EP0320504A1 Process and device for manufacturing roof covering board with transverse integrally formed flange. |
| 06/15/1989 | DE3814814A1 Blockout element for producing mounting holes in concrete |
| 06/15/1989 | DE3740682A1 Process and apparatus for producing a faithfully reproduced block, preferably a paving sett |
| 06/14/1989 | EP0319972A2 Process for making and/or for treating concrete blocks |
| 06/14/1989 | CN1033403A Formwork cleanser |
| 06/14/1989 | CN1033362A High efficient isolation agent (demoulding agent) |
| 06/08/1989 | DE3803288C1 Process and apparatus for producing ceramic mouldings |
| 06/07/1989 | EP0248813B1 Re-usable casing system for the creation of free spaces in building materials |
| 06/07/1989 | EP0212202B1 Ceramic body and method and mould for its manufacture |