| 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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| 07/25/1991 | DE4036944A1 Prefabricated concrete building component - is enclosed in sheet iron with protrusions and recesses forming shuttering for pouring |
| 07/18/1991 | DE4001038A1 Attachment of switch mounting panel to wall - involves wedging element fitted under heads of fixing screws |
| 07/17/1991 | EP0436859A2 Shuttering for making prestressed concrete sleepers with immediate anchoring |
| 07/16/1991 | US5032340 Construction materials |
| 07/16/1991 | US5032328 Portland cement and water |
| 07/09/1991 | US5030287 Cement mix and method for producing reinforced building sheets from a cement mix |
| 07/09/1991 | US5029424 Decorative quoin |
| 07/03/1991 | CN1052627A Manufacture method for concrete brick having decorative material |
| 06/27/1991 | DE3942154A1 Prefab chimney with central flue - has outer wall of porous concrete with thermal insulation around flue |
| 06/25/1991 | US5025605 Meshwork reinforced and pre-stressed concrete member, method and apparatus for making same |
| 06/12/1991 | EP0431055A1 Spacer which can be embedded in concrete |
| 06/11/1991 | US5023037 Method of and arrangement for manufacturing enclosed blocks |
| 06/11/1991 | CA1284719C Method and mould for forming prestressed centrifugal piles, and piles thus obtained |
| 06/04/1991 | US5021205 Concrete manufacturing process |
| 05/29/1991 | CN1051695A Technology of producing decorative terrazzo boards and the mould thereof |
| 05/08/1991 | DE3934791A1 Reinforcing cage mfr. machine - has bending device between wire transporter and calibre, for zig zag wires |
| 05/08/1991 | CA2005526A1 Method for casting friable asbestos-containing material into a non-friable mass |
| 04/30/1991 | US5010705 Curtain wall |
| 04/25/1991 | DE4031643A1 Casting reinforced concrete building plates-blocks - using filler blocks held in place by spikes on reinforcement mesh as concrete is cast around them |
| 04/18/1991 | DE3934198A1 Sealing strip of flexible material for tunnel section joints - comprises one-piece profile of projecting anchors joined by membrane to body |
| 04/17/1991 | EP0422340A1 Panel for applying to a building and method for producing the same |
| 04/11/1991 | DE3933588A1 Concrete shuttering and formwork - for prodn. of reinforced concrete rooms with variable dimensions and uses vertically and horizontally adjustable internal frame system |
| 04/11/1991 | DE3932810A1 Automatic reinforcement positioning system - is used in concrete buildings and incorporates cutting machine and transfer magazine |
| 03/20/1991 | EP0418108A1 Process for and products obtained by mixing cement and reinforcing fibers |
| 03/12/1991 | US4999150 Apparatus and method for introducing reinforcement into a mold |
| 03/07/1991 | CA2024695A1 Cement and reinforcing fibre mixture, process for making such mixture and articles thereof |
| 03/05/1991 | US4997215 Concrete pipe adaptor and method of making |
| 02/27/1991 | EP0414149A2 Pattern-inlaid ceramic tile and method for production thereof |
| 02/26/1991 | US4996013 Method for rapid molding of elongate concrete articles |
| 02/19/1991 | US4993208 Mold for producing tile-shaped floor elements for forming a double floor construction and a corresponding tile-shaped floor element |
| 02/14/1991 | DE3926537A1 Wall or roof panel made from fibre-reinforced concrete - are installed by means of screwed bushes embedded in concrete |
| 02/12/1991 | US4991372 Assembly of reinforcing bars and clip |
| 02/12/1991 | CA1280005C Large-format ceramic tile with holding elements provided on the side facing away its visible side |
| 02/06/1991 | EP0227753B1 Rapid moulding of hollow elongate concrete articles |
| 01/23/1991 | EP0408593A1 Device for inserting transport anchors in forms for concrete parts. |
| 01/08/1991 | US4982538 Precast |
| 01/08/1991 | CA1278671C Apparatus and method for making pre-cast concrete products |
| 01/02/1991 | CN1048223A Method for producting concrete non-hardened material and concrete non-hardened coating |
| 01/02/1991 | CN1011053B Method for mfg. multi-type fixing tool for prestressed concrete |
| 01/02/1991 | CA1278535C Prestressed concrete articles |
| 12/26/1990 | CN1048002A Method for producing concrete products and concrete structure with decorated surface |
| 12/26/1990 | CN1048001A Method for producing concrete shaped article surface and shaped decoration |
| 12/21/1990 | CA2019175A1 Method and apparatus for prefabricating bridges and similar structures, with simultaneous casting of the segments forming a span |
| 12/18/1990 | US4977715 Reinforced-concrete building element |
| 12/13/1990 | WO1990015191A1 Process for securing inserted components in a form for mass-produced finished products |
| 12/05/1990 | EP0401051A2 Concrete non-cure coating material, and concrete products with surface pattern or decoration using said material and production process therefor |
| 12/05/1990 | EP0400199A1 Process to secure inserts in a form for the series production of parts |
| 12/01/1990 | CA2017938A1 Concrete non-cure coating material, as well as concrete products or concrete structural products with surface pattern or decoration using said material and production process therefore |
| 11/28/1990 | CN1047245A Steel plate reinforced concrete |
| 11/27/1990 | US4972643 Concrete panels with embedded block insert |
| 11/22/1990 | DE3931201C1 Concrete railway sleepers mfr. - uses moving frame mechanism which releases each sleeper immediately |
| 10/23/1990 | CA1275354C Access floor panel |
| 10/18/1990 | DE3912408A1 Shuttering for concrete slabs - made of specified fibre reinforced plastic material |
| 10/17/1990 | CN2063868U Prefabricated structural member extrusion shaper |
| 10/11/1990 | DE3911514A1 Device for producing reinforcements of double walls provided for building purposes |
| 09/19/1990 | EP0388347A2 Concrete pipe making machine |
| 09/19/1990 | CN1045438A Reinforced concrete cover of inspection well and manufacturing method thereof |
| 09/18/1990 | US4957685 Method of making a transportable brick panel |
| 09/18/1990 | US4957424 Concrete pipe making machine |
| 09/13/1990 | CA2001399A1 Concrete pipe making machine |
| 09/11/1990 | US4955171 Hydrated binder and porous particles capable of taking-up, stering and releasing water |
| 09/04/1990 | US4953280 Method of manufacturing prestressed concrete culverts |
| 08/29/1990 | EP0384817A1 Plant for making prestressed concrete articles, in particular elongate construction elements |
| 08/28/1990 | US4952129 Plant to manufacture elongated elements of prestressed reinforced concrete |
| 08/16/1990 | EP0382649A1 Boarding for the realisation of swimming pools in particular, and method of manufacturing same |
| 08/16/1990 | DE4003726A1 Structural panel - made of dispersion resin with cement or lime admixtures and fibre reinforcement |
| 08/14/1990 | US4948089 Concrete mold with arrangement for mounting tubular components |
| 08/09/1990 | WO1990008635A1 Process for the production of a concrete post, and concrete pile obtained |
| 08/08/1990 | EP0381466A2 Improvements relating to the production of concrete beams or the like |
| 08/07/1990 | US4945701 Composite concrete floor panel |
| 08/07/1990 | US4945694 Building module |
| 07/12/1990 | DE3943214A1 Verfahren zur herstellung von stuetzpfosten sowie nach dem verfahren hergestellte stuetzpfosten A process for preparing stuetzpfosten and prepared by the process stuetzpfosten |
| 06/19/1990 | US4935844 Alkali-free green tape has silica and zinc borate flux particles dispersed in organic substrate |
| 06/07/1990 | DE3840718A1 Verfahren zum herstellen von formkoerpern, insbesondere von platten A process for the manufacture of formkoerpern, in particular of plates |
| 05/31/1990 | WO1990005818A1 Method for making integral a mass of material with a functional support, and devices thus obtained |
| 05/31/1990 | DE3840377A1 Process and apparatus for producing building boards |
| 05/23/1990 | EP0369914A1 Method for joining a matrix material to a functional support, and devices manufactured according to this method |
| 05/23/1990 | CN1042391A Building sheets of cement material reinforced with plastics mesh and glass fibres |
| 05/16/1990 | CA2003060A1 Process for uniting a mass of material to a functional support, and device thus made |
| 05/09/1990 | CN1007917B Composite pre-stressed structural member and method of forming the same |
| 05/08/1990 | US4923664 Process for manufacturing a building panel |
| 04/18/1990 | EP0363875A1 Building sheets of cement material reinforced with plastics mesh and glass fibres |
| 04/17/1990 | US4917749 Process for the continuous production of manufactured articles reinforced with mixtures of hydraulic binders |
| 04/14/1990 | CA2000619A1 Building sheets of cement material reinforced with plastics mesh and glass fibres |
| 04/10/1990 | US4916004 Cement board having reinforced edges |
| 04/10/1990 | US4915888 Pressurization, vibration to consolidation |
| 03/21/1990 | EP0358823A2 Methods and apparatus for fabricating concrete panels with embedded glass block |
| 03/20/1990 | US4909974 Cycles of mixing weighed mixture in distributor; conveying to mold; vibration |
| 03/14/1990 | CN1007136B Process for prepn. of heating members |
| 03/08/1990 | WO1990002234A1 Spacer which can be embedded in concrete |
| 03/07/1990 | EP0356922A1 Spacer embedded in concrete |
| 01/25/1990 | WO1990000647A1 Process for manufacturing a point sleeper from concrete |
| 01/24/1990 | EP0351730A1 Method for producing building sheets containing cement, inert materials and additives, and reinforced with plastics mesh |
| 01/18/1990 | DE3823860A1 Process for the repeated use of a metal sheet of a shuttering for series-produced precast concrete compound units with different arrangements of installation parts |
| 01/17/1990 | EP0350620A1 Method for manufacturing concrete sleepers for switch points |
| 01/16/1990 | US4894270 Fold and bond for constructing cement laminate structural shapes |
| 12/13/1989 | CN1006059B Product and the manufacture method of the glazed cement |
| 12/05/1989 | US4884958 Apparatus for setting up and pouring concrete forms |
| 11/30/1989 | DE3817831A1 Process for producing blocks |
| 11/21/1989 | US4881714 Concrete molding system with tubs |