| Patents for B28C 7 - Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture (4,780) |
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| 04/24/1991 | EP0423107A1 Method for producing hardened cement mineral material, especially concrete. |
| 04/18/1991 | WO1991004837A1 Method and apparatus for regulating mixture of granular material such as sand, powder such as cement and liquid |
| 04/11/1991 | DE3933314A1 Multichamber silo with central silo chamber - has surrounding peripheral chambers all resting on common base plate |
| 03/27/1991 | CN1012184B Controlling tar content of positive electrode for aluminium electrolizing |
| 03/20/1991 | EP0418108A1 Process for and products obtained by mixing cement and reinforcing fibers |
| 03/07/1991 | CA2024695A1 Cement and reinforcing fibre mixture, process for making such mixture and articles thereof |
| 03/05/1991 | US4997284 Concrete and mortar distribution process and apparatus |
| 02/19/1991 | US4993884 Method and spraying apparatus for applying a layer of air-sprayed concrete |
| 02/19/1991 | CA1280406C Method of and apparatus for producing a heated reproduction asphalt mixture |
| 02/06/1991 | EP0245326B1 Improvements relating to hydraulic binders |
| 12/13/1990 | DE3918584A1 Temp. controller fluent building material - has microwave generators spaced along microwave-transparent feed line coupled to pump |
| 12/12/1990 | EP0402319A2 Admixture for concrete mixes |
| 12/05/1990 | CA2018321A1 Admixture for concrete mixes |
| 12/04/1990 | US4975396 Process for producing reinforced cementitious compositions and the products produced thereby |
| 11/22/1990 | EP0398401A1 Installation for preparing and transporting mortar on a building site |
| 11/22/1990 | DE4014892A1 Bituminous concrete mix. with dispersed wire reinforcement - prepd. by adding wire in bundles held together by binder which disintegrates in hot bitumen |
| 11/13/1990 | CA1276262C Control method of pitch content for anodes used in electrolytic aluminium |
| 11/13/1990 | CA1276188C Cementitious mixes |
| 11/06/1990 | US4968349 Method for producing hardened cement mineral material, especially concrete, and an apparatus for implementation of the method |
| 10/31/1990 | EP0394785A1 Means and process for automatic coloring of concrete |
| 10/24/1990 | CN2064301U Sand-stone charging mahcine |
| 10/17/1990 | CN2063870U Raw materials proportion auto-controlling system |
| 10/17/1990 | CN2063869U Microcomputer programmable controller of double rotation and speed cement pure slush agitator |
| 10/11/1990 | DE3911713A1 Manufacture of mortar, concrete, etc. - using dose delivery of sand and cement to mixer container and checking of mixer container fill state before mixing |
| 10/04/1990 | WO1990011449A1 Control arrangement for a two-cylinder pump for thick materials |
| 10/03/1990 | EP0390437A1 Automatic mixture control apparatus and method |
| 09/12/1990 | CN2061889U 半球式混凝土搅拌机 Hemisphere concrete mixer |
| 09/11/1990 | US4956821 Silo and delivery system for premixed dry mortar blends to batch mixers |
| 09/04/1990 | US4953752 Concrete and mortar distribution process and apparatus |
| 08/29/1990 | EP0384474A1 Container |
| 08/02/1990 | DE4002143A1 Ram operated construction material skip hoist - has linkage moving strip slider for over twice ram working distance |
| 06/13/1990 | CN2058137U Inverted truncated cone shaped internal tapered hole type crown bar locating device |
| 05/30/1990 | EP0370181A1 Continuously working mixer |
| 05/30/1990 | CN2057613U Safety device of dual-revolving two-speed cement paste agitator |
| 05/24/1990 | CA2003118A1 Continuously working mixer |
| 05/16/1990 | EP0367912A1 Mixing and feeding device using compressed air |
| 04/25/1990 | EP0364823A1 Device for pneumatically dispensing concrete hydromechanically transported in a dense flow |
| 04/18/1990 | CA2000952A1 An apparatus for pneumatically discharging concrete |
| 04/12/1990 | DE3834494A1 Process for producing binder for mortar or concrete production |
| 04/12/1990 | DE3834191A1 Device and method for the automatic dosing of dry pigments into a concrete or mortar mixer |
| 04/10/1990 | US4915741 Workability, water retention |
| 04/10/1990 | US4915505 Blender apparatus |
| 04/10/1990 | US4915297 Liquid heating system for concrete plants |
| 03/14/1990 | EP0358440A2 An imitation slate |
| 03/14/1990 | EP0357929A2 Mehtod and device to gauge setting accelerators during application of shotcrete |
| 03/13/1990 | CA1266655A1 High speed batch mixer |
| 02/14/1990 | CN1006775B Bucket conveyor with a revolving boom |
| 02/13/1990 | US4900154 Concrete mixer having means for determining the consistency of concrete mixing therein |
| 01/23/1990 | US4895450 Weighing, measuring, and mixing apparatus for lightweight concrete |
| 01/10/1990 | EP0349551A1 Apparatus and method for producing foamed materials. |
| 01/10/1990 | CN2050798U Double-shalf agitator |
| 12/27/1989 | CN2049995U Close-cycle cement grinding meal load microcomputer control device |
| 11/21/1989 | US4881819 Method and apparatus for preparing concrete mortar |
| 11/15/1989 | CN2047624U General-purpose micro-computerized controller for multiple concrete feedings and stirrings |
| 11/09/1989 | DE3813290A1 Method and apparatus for filling a container of a concrete mixer |
| 10/25/1989 | EP0338739A1 A production method of fine grain ice and dry clathrate water for manufacturing of concrete/mortar, a production method of concrete/mortar, by using fine grain ice or dry clathrate water and concrete/mortar products manufactured by the production method of concrete/mortar |
| 10/25/1989 | EP0338548A2 Process for wetting fibres containing cement or gypsum compositions |
| 10/25/1989 | CN2046433U Midget moving type automatic batching machine for concret sandstone |
| 10/18/1989 | CN1036358A Process for production of bodies |
| 10/12/1989 | DE3809661A1 Apparatus for continuously mixing a building material |
| 09/20/1989 | EP0333584A1 Process for the preparation of a mixture based on cement, metakaolin, glass fibres and a polymer |
| 09/05/1989 | CA1259063A1 Arrangement in containers intended to hold pumpable substances and provided with a pump herefor |
| 08/08/1989 | US4855960 Process and apparatus for the preparation of mortars |
| 08/08/1989 | US4854722 Apparatus for dispensing particulate material |
| 06/14/1989 | CN2039262U Electric motor car for loading and weighing of sand and stone |
| 06/07/1989 | EP0319070A1 An installation for extracting granular material in a predetermined composition and method for using that installation |
| 06/07/1989 | CN2038837U Controlling device for concrete mixing material's consistence |
| 06/01/1989 | DE3740287A1 Method of controlling the consistency in concrete preparation, in particular in batchwise concrete preparation |
| 05/31/1989 | EP0318137A2 Process for the production of bodies, in particular building elements, from hydraulic hardening mixtures containing reinforcing fibres, and process for obtaining plastic fibres with a roughened surface |
| 05/16/1989 | US4830505 Particle wetting process and apparatus |
| 05/03/1989 | EP0313774A1 Dual storing and transporting unit for two separated components of a two-component mixture |
| 04/19/1989 | CN2036096U Suction type transporting system for cement |
| 03/29/1989 | EP0308966A2 Method for determinating the consistence of concrete and appropriate concrete mixer |
| 03/28/1989 | US4815860 Method for the manufacture of sprayable concrete |
| 03/08/1989 | EP0305574A1 Method and circuitry for controlling the consistency of fresh concrete in a fixed concrete mixing device |
| 03/07/1989 | US4810159 Batching system |
| 02/22/1989 | CN2032937U Magnet water device for concrete mixer |
| 02/15/1989 | EP0303554A2 Liquid heating system for concrete plants |
| 01/11/1989 | CN2030538U Automatic water-controlling device for concrete mixer |
| 12/07/1988 | EP0293666A1 Apparatus for loading a mixing machine |
| 12/07/1988 | CN87103810A Method and apparatus for producing hardened cement mineral material |
| 11/09/1988 | EP0289721A2 Method and device for continuously proportioning powdered materials using a gas under pressure |
| 11/09/1988 | EP0289720A2 Method for applying a layer of spray concrete |
| 11/09/1988 | CN88212746U Hopperfor concrete mixer |
| 11/02/1988 | CN87204155U Monolithic microcomputerized controller for concrete mixing station |
| 10/26/1988 | CN87213970U Metering mechanism for single machine chqrging of concrete mixer |
| 10/04/1988 | US4775275 Cement batching apparatus |
| 09/29/1988 | DE3708873A1 Process and device for producing a free-flowing mixture, intended in particular for the production of boards, of fibrous and/or chip-shaped wood material and gypsum |
| 09/22/1988 | WO1988006958A1 Apparatus and method for producing foamed materials |
| 09/21/1988 | CN87216486U Concrete batcher |
| 09/13/1988 | US4770826 Method of regulating the tar content of anodes intended for the production of aluminum by electrolysis |
| 08/30/1988 | US4767461 Method for manufacturing concrete |
| 08/03/1988 | EP0276882A1 Method and apparatus for preparing concrete mortar |
| 08/03/1988 | CN87210259U Safety appliance for feeding entrance of brick and tile production line |
| 06/14/1988 | CA1238009A1 Bucket conveyor with a rotatable boom |
| 05/04/1988 | CN87203263U Auto-controller for controlling concrete mixing density |
| 03/16/1988 | CN87105879A Reclaiming of waste concrete |
| 03/03/1988 | DE3727907A1 Wiederaufbereitung von betonmischungen Recycling of concrete mixtures |
| 02/24/1988 | EP0110941B1 Method for mixing a plastic containing concrete to be sprayed in a mixing tube and mixing tube for implementing such method |
| 02/24/1988 | CN87208676U Automatic batch machine for concrete |