Patents for B28B 7 - Moulds; Cores; Mandrels (12,030)
01/1994
01/18/1994US5279093 Composite girder with apparatus and method for forming the same
01/12/1994EP0578058A2 Method for cleaning molds
01/12/1994CN2152649Y Prefabricated hollow floor
01/11/1994US5277573 Apparatus for fabricating precast concrete ramps
01/11/1994US5277396 For casting concrete elements
12/1993
12/29/1993EP0575921A1 Process and device for manufacturing a cup-shaped body from a mixture of ceramic oxide powders
12/29/1993EP0552363A4 Method for making three-dimensional impressions
12/23/1993WO1993025761A1 Mold device for forming concrete pathways
12/23/1993WO1993025756A1 A method of manufacturing concrete sleeper blocks for railroad switch-points, and a matrix and matrix array for use when applying the method
12/23/1993WO1993025362A1 Method and apparatus for forming a fluid containment vault
12/23/1993WO1993025336A1 Three-dimensional printing techniques ___________________________
12/23/1993DE4242195A1 Mould for prodn. of abrasive ceramics - comprises porous and wear-resistant unit fitted to impermeable body with air and water channels
12/22/1993CN2150028Y Middle-frame mould for formation of ceramic tile
12/21/1993US5271888 Ceramic log moulding process
12/21/1993US5271690 Method and apparatus for forming walkways having detectable warning surfaces
12/21/1993US5271193 Concrete products and methods of fabrication
12/15/1993EP0574247A1 Open-cell porous material, method for preparing the material and mold for pressure-cast-molding ceramic article formed from the material
12/08/1993CN2148653Y Core mould for reinforced concrete member
12/02/1993DE4316901A1 Insulation material prodn. - by compacting mixt. of water glass and loose organic and/or inorganic particles followed by carbon di:oxide hardening
11/1993
11/30/1993US5266252 Ceramic slip casting technique
11/30/1993US5266222 Durable low surface-energy surfaces
11/24/1993EP0571208A1 Method for producing patterned shaped article
11/23/1993US5264175 Method for making three dimensional impressions
11/23/1993CA2096777A1 Method for producing patterned shaped article
11/18/1993DE4218710C1 Tubbing-production equipment for tunnel-lining - uses fully-enclosed shell mould with two unions in bottom for concrete pumped from mixer
11/17/1993CN2146355Y Steel-plastic composite mould for making wall or floor bricks
11/17/1993CN2146354Y Mould for making wave-absorbing block
11/11/1993DE4215081A1 Light and simple wall panel structure for building - incorporates lightweight non-structural filling material held by vertical and cross-bracing struts
11/10/1993EP0569069A1 Ceramic mold for forming tiles, and the relative loading means
11/09/1993US5260011 Method of making refractory ceramic products and the products thereof
11/09/1993US5259586 Mold insert for forming precast concrete modules
11/03/1993CN2145101Y Shuttering of root boarding
10/1993
10/27/1993EP0567339A1 Ware shaping apparatus
10/26/1993US5255427 Ceramic hollow bodies and method of manufacturing such bodies
10/21/1993DE4212989A1 Complex component moulding - has substrate set between rigid and non-rigid mould sections
10/20/1993CN2144048Y Mould for making roof slabs
10/20/1993CN1077408A Concrete mould board and its pouring method
10/12/1993US5252273 Slip casting method
10/07/1993DE4210505A1 Formwork-coating equipment with detachment agent - has felt strip extending over surface width and forming wick protruding into vessel containing agent and clamped between rib and elastic strip
10/06/1993EP0563577A1 Process and device for making ceramic products from a free flowing material
10/05/1993US5249950 Heated stripper shoe assembly
10/05/1993US5249618 Method of making a complex ceramic core for use in metal casting process
09/1993
09/30/1993DE4209678A1 Formwork detail for producing concrete components - has two U=sections joined to form T=groove for locating and tightening of side panel.
09/30/1993DE4209648A1 Actuation unit for vehicle brake vacuum booster - uses ends of fastening bolts as hydraulic connections to pressure chambers.
09/29/1993EP0562437A1 Moulding device for making concret products
09/29/1993EP0562209A1 A mould for concrete block stones
09/28/1993US5248462 Process for making silicon carbide foam
09/22/1993EP0561465A1 Release composition
09/21/1993US5245895 Method and apparatus for automatically tightening and untightening a bolt
09/16/1993WO1993017846A1 Method for manufacturing die-cast concrete elements and apparatus therefor
09/16/1993WO1993017820A1 Method of removing cores during injection moulding of objects starting from metallic and/or ceramic materials in powdered state
09/14/1993US5244376 Variable mold
09/08/1993EP0559491A1 Pulp molding die for molding shaped pulp articles, method and apparatus
09/08/1993EP0558590A1 Apparatus for manufacturing prestressed concrete railway ties, and ties manufactured using such apparatus.
09/02/1993WO1993017205A1 Concrete formwork member having an enamelled sheet metal skin
09/02/1993DE4206322A1 Shuttering for prefab. concrete staircase - can be used to produce staircases of different heights with steps of different heights.
09/01/1993CN1075703A Blank composite of ceramic roll and static pressure process
09/01/1993CN1075678A Mould and static pressure process of ceramic roll formation
08/1993
08/31/1993US5240671 Method of forming recessed patterns in insulating substrates
08/31/1993US5240225 Plastic slump cone
08/31/1993US5239744 Method for making multilayer magnetic components
08/25/1993EP0557262A1 Casting mold for a concrete column or beam
08/25/1993EP0556363A1 Vertical press and process for operating the same.
08/25/1993CN2140823Y Roller cutter for glass mosaic mould
08/25/1993CN1075444A Building process
08/25/1993CA2089308A1 Mould
08/24/1993US5238627 Method for producing ceramics sintered article and molding method and molding apparatus to be used therefor
08/18/1993EP0555206A1 Manufacture of monolithic, stiff, lightweight ceramic articles
08/17/1993US5236975 Alkyd resin mixture
08/10/1993US5234191 Apparatus for forming a fluid containment vault
08/05/1993DE4202569A1 Press forming of heat insulating dish from fine powder material - which is compacted between punch and sheet-metal shell shaped to produce dish with sloping circumferential wall and of uniform density.
08/05/1993DE4201319A1 Board suitable for use as concrete formwork or transport pallet - has at least its functional side principally made as polyolefin such as scrap polyethylene@ disintegrated, extruded and moulded to size
08/03/1993US5232646 Methods of forming contoured walls
07/1993
07/28/1993EP0552363A1 Method for making three-dimensional impressions
07/28/1993EP0548081A4 Hydraulically bonded cement compositions and their methods of manufacture and use
07/27/1993US5230907 Inside corner form
07/27/1993US5230191 Precast insulated concrete panel for prefabricated building structure
07/22/1993WO1993013923A1 Injection molding powder greenware composites without knit lines
07/21/1993EP0551634A1 Process and device for making hollow bricks
07/20/1993US5229051 Method for making sleeve encased concrete posts
07/20/1993US5229024 Apparatus for making concrete pipe
07/15/1993DE4200212A1 Moulding shaped parts made of porcelain - using mould made of open-pored porcelain which can bind reversible water of crystallisation, further releasing it at corresp. temp.
07/14/1993EP0550974A2 Method for making multilayer magnetic components
07/06/1993US5225134 Methods of forming contoured walls
07/01/1993DE4141829A1 Positioning of shuttering panels for forming concrete - is effected by threaded drive spindle for plate between guide beams
06/1993
06/30/1993EP0548081A1 Method of preparing a cementitious article from a hydraulically bonded cement composition
06/24/1993DE4242584A1 Concrete surface patterning - uses a structured transfer mat with granules which are embedded into wet concrete surface
06/24/1993DE4217100A1 Mfg. long chimney stack with inner tube in concrete casing - uses through-shaped mould to produce two half-shell sections which are bonded around central tube.
06/23/1993CN2136728Y Machine for prefabricating concrete curved surface slot
06/15/1993US5219511 Method of constructing a tool for forming a decorative impression in a moldable material
06/15/1993US5219473 Adjustable concrete formwork system
06/09/1993EP0545346A1 Filter core for dewatering during the pressing of fresh concrete
06/09/1993DE4140367A1 Concrete posts for palisading - has flat side and rear faces and convex face on the front side with tapered base for driving into ground
06/09/1993DE4140093A1 Naturally dried bricks prodn. - using mixt. of straw, mud and small amt. of water to produce pellets which are compressed into bricks in industrial press
06/09/1993DE3943628C2 Press for making plaster board panels
06/08/1993US5217664 Process for the production of a component by producing a molding using a metal or ceramic powder as the starting material
06/08/1993US5217630 Apparatus for forming an irregular surface block
06/02/1993EP0544609A1 Procedure for the execution of all kinds of constructions
06/02/1993CN2134918Y Static-pressure shaping mould for ceramic rod
06/02/1993CN1021031C Mold release