Patents for B28B 7 - Moulds; Cores; Mandrels (12,030)
06/1989
06/06/1989US4836762 Apparatus for molding concrete blocks or bricks
05/1989
05/30/1989USRE32936 Adjustable mold for concrete median barrier
05/24/1989EP0316653A2 Concrete palisade and process and apparatus for its manufacture
05/23/1989US4833000 Stacking, pressing multilayer sheets
05/23/1989US4832587 Device for manufacturing bricks
05/23/1989US4832309 Moulding pallet
05/23/1989US4831802 Insulated face brick
05/18/1989DE3737957A1 Moulding box
05/17/1989EP0315753A1 Doctor blade for manufacturing concrete tiles
05/16/1989US4830802 Method of making mold used in pressure slip casting
05/10/1989EP0315323A1 Shuttering
05/10/1989EP0315208A2 Process for making ceramic bodies with open channels
05/02/1989US4826644 Method for entombment of tanks in concrete
05/02/1989US4826639 Moulding process and apparatus for making arch-shaped concrete structures
04/1989
04/27/1989DE3735067A1 Screen structure and process and apparatus for the production thereof
04/27/1989DE3734876A1 Process for the cold-isostatic repressing of moulded articles
04/27/1989DE3733707A1 Imitation natural stone in the form of a concrete stone and apparatus for its manufacture
04/26/1989EP0313048A2 Process for the automatized manufacturing of special products from concrete or from reinforced concrete
04/25/1989US4824626 Process for the reproduction of works of art of lithoid material
04/25/1989US4824624 Method of manufacturing boron carbide armor tiles
04/19/1989EP0312027A2 Method for hydrating hemihydrate gypsum
04/19/1989CN2036095U Mould for scarf joint decorative plaster plates
04/13/1989DE3744566C1 Arrangement for the production of concrete sewage pipes having house connection branches
04/12/1989EP0311145A2 Method and apparatus for making vessels of cement open at at least one end, for instance of cement mortar and a reinforcement
04/12/1989EP0310692A1 Device to connect plugs to the dies of presses used for the formation of tiles
04/06/1989WO1989002815A1 Mould for manufacturing plate-like floor elements for false floors and corresponding plate-like floor elements
04/05/1989EP0309507A1 Mould for deep-drawing foils and for casting materials.
04/04/1989US4818454 Vaporization; oxidation, infiltration, and embedding of metal surrounding filler
04/04/1989US4818202 Use in manufacture of cored construction products
04/04/1989CA1251921A1 Extrusion die manufacture
03/1989
03/29/1989EP0308661A1 Method and device for cleaning pallets for the moulding of plates of a hardenable plastic material
03/29/1989EP0308659A1 Method and device for cleaning pallets for the moulding of plates of a hardenable plastic material
03/23/1989WO1989002356A1 Method for preventing hardening concrete from sticking to adjacent surfaces
03/22/1989CN2034478U Concrete isolation agent spraying apparatus
03/21/1989US4814029 Process for making ceramic bodies with open channels
03/14/1989US4812273 Pre-compacted uniformly spaced particles are impregnated with setting liquid
03/08/1989CN1031502A Compound decorating material and its manufacturing technology
02/1989
02/21/1989US4806295 Multilayer stack filled with wax, pressed, fired, wax removed
02/16/1989DE3726022A1 Process for the production of single- or multiwalled elements
02/16/1989DE3725945A1 Process and device for producing a stone-like body having lettering or other symbols
02/15/1989CN1031042A Compound inkstone
02/02/1989DE3822887A1 Mould device, in particular for moulding ceramic tiles
02/01/1989CN2031743U Tile push-out device for tile-moulding machine
02/01/1989CN2031742U Mould for vaccum-dewatering of concrete by side suction
02/01/1989CN2031741U Composite concrete forming board with gfrp sandwich
01/1989
01/31/1989US4801624 Molding of ceramic materials
01/31/1989US4801417 Methods for forming inverts in manhold assemblies
01/25/1989EP0300681A1 Shaping molds and shaping of ceramic bodies by using such shaping molds
01/25/1989CN2031347U Pressure-resistant gypsum pattern for injection mould
01/24/1989US4799982 Method of molding monolithic building structure
01/17/1989US4798364 Reinforced form liner for surface texturing of concrete structures
01/12/1989WO1989000102A1 Method and apparatus for the construction of a low cost structure
01/05/1989DE3803781A1 Device for inserting and drawing back core pipes in the manufacture of precast concrete slabs having cavities
01/03/1989US4795334 Concrete block molding machine
12/1988
12/29/1988WO1988010185A1 Process and device for manufacturing roof covering board with transverse integrally formed flange
12/28/1988CA1247336A Making hot pressed silicon nitride by use of low density reaction bonded body
12/27/1988US4793587 Core for molding hollow concrete blocks
12/21/1988EP0295245A1 Composite cement block
12/21/1988CN88201074U Mould with light-end high strength material for similar products as the assembling blocks toy
12/14/1988EP0294596A2 Mold for slip casting
12/14/1988EP0294508A1 Process and device for the production of true-to-measure panel or block-shaped components, especially made of plaster
12/13/1988US4790739 Die and backing block assembly with quick release fastening means
12/13/1988US4790508 Concrete casting form including retractable core
12/13/1988CA1246327A1 Apparatus for producing moldings from concrete
12/07/1988EP0294326A1 Apparatus for producing moulded stones
12/07/1988CN88212026U Gapless chalk mould
12/06/1988CA1245832A1 Monolithic precast invert system and method
11/1988
11/24/1988EP0295245A4 Composite cement block.
11/24/1988DE3814793A1 Method of manufacturing concrete slabs as well as of mounting storey floors, and production units for this as well as cast concrete floor slabs
11/22/1988US4786457 Forming thin gas film using gas premeable jiggering tool
11/22/1988US4786242 Apparatus for the casting of hollow slabs out of concrete
11/22/1988CA1245038A1 Casting prestressed concrete without embedded reinforcement
11/15/1988US4784365 Apparatus for nest-casting of concrete elements
11/09/1988EP0290060A1 Device for manufacturing stones
11/09/1988EP0290007A1 Method and apparatus for the manufacture of articles, especially building elements consisting of curable material
11/02/1988CN87207452U Manufacturing die for bright concrete tile
11/01/1988CA1243870A1 Barrier with internal ducts and construction method
10/1988
10/26/1988EP0288236A2 Process for producing high temperature superconducting material
10/26/1988CN87213703U Preformed reinforced concrete shuttering
10/26/1988CN87102013A Vacuum-stirring and centrifugal forming process for refractory slurry
10/26/1988CN87102012A Forming process for combined refractory products
10/20/1988WO1988007921A1 Mould for deep-drawing foils and for casting materials
10/20/1988WO1988007920A1 Device for manufacture of an artificial stone
10/19/1988EP0286949A1 Apparatus for making an artificial stone
10/18/1988CA1243216A1 Slide action inside corner form
10/06/1988WO1988007445A1 Process for manufacturing concrete pipes with expanded joint formed by a so-called neck ring
10/06/1988DE3810256A1 Expansion-joint shuttering
10/05/1988EP0285538A1 Partition-panel for interior compartmentation of buildings; procedure and device for its manufacture
10/04/1988CA1242568A1 Method of using a passage core
09/1988
09/28/1988EP0283544A1 Pressure-sintering mould made of graphite
09/28/1988CN87107740A Decorative stone-flower and its producing method
09/15/1988DE3707306A1 Process and apparatus for producing ceramic inlays
09/15/1988DE3707029A1 Process for producing a decorative table top
09/06/1988US4769191 Forming mold with projecting surface pattern of ribs corresponding to mortar joints; applying retardant, masking, colored cement; filling with concrete, inserting vibrator, hardening
08/1988
08/25/1988WO1988006213A1 Omniform building system
08/23/1988US4765389 Core setter
08/10/1988CN87106764A Demould stuffing method for terrazzo plate with colour pattern
08/10/1988CN87106333A Method of making ceramic composite articles by inverse shape replication of expendable pattern
08/09/1988US4762485 Casting frame structure of centrifugal casting machine
08/09/1988CA1240123A1 Process and plant for manufacture of aerated concrete