Patents for B28B 7 - Moulds; Cores; Mandrels (12,030)
05/1993
05/27/1993WO1993010310A1 Set of paving stones, process and device for producing the same
05/27/1993DE4238878A1 Hollow rotationally symmetrical ceramic article prodn. - by centrifugal casting of chemically bonded ceramic material
05/27/1993DE4138565A1 Tipping table for producing concrete components - has table tilted and vibrated to compact concrete
05/27/1993DE4138564A1 Pflastersteinsatz sowie verfahren und vorrichtung zum herstellen desselben Paving stone set and method and apparatus for making the same
05/26/1993EP0543581A1 Ceramic material
05/25/1993US5213746 Wax casting process for producing a casting of a body part
05/25/1993US5213732 Method of casting materials using a flexible resilient mold
05/25/1993CA1318109C Method for hydrating hemihydrate gypsum
05/19/1993CN2133431Y Small hollow building block formed mould
05/18/1993US5212124 Ceramic composite articles with shape replicated surfaces
05/18/1993US5211966 Device for detachably fastening a box
05/18/1993US5211895 Molding process for forming a concrete paving block
05/18/1993US5211786 Use of permeable materials to improve hot pressing process
05/17/1993CA2083019A1 Ceramic material
05/13/1993WO1993008972A1 Device for making through openings in reinforced concrete articles during their production
05/11/1993US5209603 Secondary containment structure and method of manufacture
05/11/1993CA1317441C Concrete molding system with tubs
05/05/1993EP0540004A1 Molding flask mating mechanism for a pressure cast molding apparatus
05/04/1993US5207887 Semi-additive circuitry with raised features using formed mandrels
04/1993
04/29/1993DE4135332A1 Casing for concrete moulding of components - has L=shaped cross-section casing basic body and further casing side wall for three-sided enclosure of hollow space
04/28/1993EP0539305A1 Mould for vibrating and forming concrete products such as breeze-blocks, paving blocks or kerb stones
04/28/1993CN1071362A Producing method of curved ceramic plate (brick) and article thereof
04/27/1993US5205943 Apparatus for manufacture of precast concrete building units
04/27/1993CA1316670C Process for the preparation of multilayer blocks suitable for the production of slabs without the use of a sawing machine
04/27/1993CA1316669C Device for manufacturing stones
04/23/1993CA2064414A1 Device for manufacturing concrete building blocks
04/21/1993CN1071157A Static pressure shaped blank composition of ceramic rod (bar)
04/20/1993US5204055 Three-dimensional printing techniques
04/16/1993CA2064175A1 Plastic slump cone
04/15/1993WO1993007339A1 A paving assembly
04/15/1993DE4228968A1 T=shaped Concrete beam design - has reinforcements in concrete web and steel plates running length of beam along flange edges
04/14/1993CN1070864A Vertical press and its operating method
04/13/1993US5202132 Production line equipment to manufacture large concrete panels
04/13/1993CA1315959C Pressing of concrete bodies and a filter fabric for use therein
04/07/1993EP0535854A1 Moulds
04/07/1993EP0439454B1 Form clamp to join panels, in particular, cement casting forms
04/01/1993DE4230304A1 Precision tool for press-moulding ceramic parts - has ribbed surface structure to generate grooved ceramic surface and prevent sticking to mould.
04/01/1993DE4131161A1 Variable form for mfr. of prestressed concrete railway sleepers - consists of rigid frame in which inner form can be varied to produce railway sleepers of varying sizes
03/1993
03/31/1993CN1070361A Static pressure forming process for ceramic roll and shaping dies thereof
03/23/1993US5196271 With dispersed metal, internal cavity
03/17/1993EP0531629A1 Mould for a roof tile press
03/16/1993US5194584 Vegetable oils
03/16/1993US5194268 Elastomeric bladder for prevention of knit lines
03/12/1993WO1993004831A1 Vertical press and process for operating the same
03/12/1993CA2095818A1 Vertical press and process for operating the same
03/11/1993DE4129636A1 Building facing prodn. - using stencil on carrier with openings for filling with material to set as shaped blocks
03/10/1993EP0530504A1 Method and device for making concrete products
03/04/1993WO1993004250A1 A non-conductive electric power support pole
03/04/1993WO1993003900A1 Molding machine
03/04/1993WO1993003899A1 Process and device for producing multi-layered, fibre-reinforced plaster plates
03/04/1993WO1993003898A1 Method for making three-dimensional impressions
03/04/1993CA2116132A1 Process and device for producing multilayered, fiber-reinforced plaster plates
03/03/1993EP0529034A1 Mould for concrete modular precastings
02/1993
02/25/1993DE4127932A1 Fibre-reinforced plasterboard mfr. - using by=product gypsum and waste paper
02/25/1993DE4127930A1 Continuous mfr. of fibre-reinforced plasterboard - using waste paper fibres by=prod. gypsum of controlled particle size and density
02/25/1993DE4127929A1 Continuous mfr. of fibre-reinforced plasterboard - from waste paper fibres and gypsum of controlled density and particle size
02/25/1993DE4127326A1 Reusable mould for castings with protruding surfaces - made of flexible inner cover and firm outer layer which does not support the sides of the recesses in the flexible cover
02/24/1993WO1993004008A1 Process and device for producing fibre-reinforced plaster plates
02/24/1993CA2116137A1 Process and device for producing fiber-reinforced plaster plates
02/23/1993CA1313750C Method of forming a ceramic body
02/17/1993EP0527286A1 Lubricant
02/17/1993EP0490924A4 Method of manufacturing glass reinforced concrete building products
02/16/1993US5186881 Method for manufacturing hollow concrete structures
02/10/1993EP0526927A2 Process for preparing articles for sintering by cold isostatic pressing of powder in single-use press forms
02/04/1993WO1993001924A1 Concrete plate molding apparatus
02/02/1993US5183668 Pressurized slip casting apparatus
02/02/1993US5183616 Method for making antiqued concrete cored bricks and capping bricks
01/1993
01/28/1993DE4124389A1 Fissure control in reinforced concrete - introduction of cracks, or mechanical arrangement for inducing cracks to prevent unwanted cracks
01/27/1993EP0524413A1 A mould for ceramic tiles affording a re-entrant groove in the reverse face for mechanical fixing purposes, the relative tile and a relative fixing device
01/26/1993CA1313034C Method of making ceramic articles having channels therein and articles made thereby
01/25/1993CA2047787A1 Decorative concrete slab
01/12/1993US5178887 Compound fluted mold for casting prestressed concrete lamp poles
01/12/1993CA1312452C Process for making ceramic bodies with open channels
01/07/1993WO1993000207A1 A mould for ceramic tiles affording a re-entrant groove in the reverse face for mechanical fixing purposes, the relative tile and a relative fixing device
01/07/1993EP0521470A1 Method of producing a ceramic article
01/07/1993EP0521469A1 Casting mold
01/07/1993DE4121373A1 Manufacturing process of reinforced concrete room cells - forms loaded on pallets which allow form to be moved, after initial concrete set, from concreting area
12/1992
12/29/1992US5174935 Method of forming a ceramic body
12/29/1992US5174910 Mold for forming pilot anchor holes in concrete
12/29/1992US5174079 Fluid containment vault with homogeneous concrete-entombed tank
12/24/1992DE4120483A1 Manhole lining made in concrete - has waste water passage formed in floor with holes made in walls after removal from mould
12/23/1992CN1067205A Method of producing patterned shaped article
12/22/1992US5173332 Method of forming a mandrel
12/22/1992US5173311 Apparatus for manufacturing bricks with smooth side surfaces
12/22/1992US5173233 Process for forming decorative concrete slabs
12/22/1992US5173229 Mold pressing, cold isostatic pressing with fibers; removing fibers, firing
12/10/1992WO1992021834A1 Precast insulated concrete panel for prefabricated building structure
12/09/1992CN1066812A Producing method for hollow graphite electrode and special mold
12/08/1992US5169652 Molding machine
12/08/1992US5169585 Method and device for fabricating posts made of concrete or the like with polygonal cross section
12/08/1992US5169577 Molding a component by blowing powder into a porous mold
12/08/1992US5169566 Forming powdered hydraulic cement composition and at least one getter into desired shape; hydrating without mixing
12/02/1992EP0516606A1 Prefabricated permanent shuttering for reinforced concrete stairs
12/02/1992EP0516224A1 Porous mould materials, their production and their use for forming ceramic castings
12/02/1992EP0515952A2 Method for manufacturing a formwork for shuttering a pillar
12/02/1992EP0354946B1 A mould bulkhead
12/02/1992CN2123410U Shaping machine for prestress hollow plate by pushing and extruding
12/01/1992US5167842 Installation for the fabrication of cells to be subsequently assembled side by side in order to constitute a construction unit
11/1992
11/29/1992CA2044126A1 Precast insulated concrete panel for prefabricated building structure
11/26/1992WO1992020884A1 Staircase and form for the manufacture thereof