Patents for B28B 7 - Moulds; Cores; Mandrels (12,030)
12/1979
12/04/1979US4177229 Method for production of precast manhole bases
11/1979
11/13/1979US4174364 Process for manufacture of porous metal objects and use of the process for manufacture of a porous mold
11/13/1979US4174089 Mold for firing bodies of silica- or alumina-containing granules
10/1979
10/31/1979EP0004866A1 Mould for simultaneously manufacturing several hollow concrete blocks
10/23/1979US4171791 Releasable mold for forming a ribbed transformer casing
10/23/1979CA1064804A1 Method of restoring the fluid permeability of a used, ceramic fluid-release mold
10/23/1979CA1064723A1 Method and apparatus for forming crypts
10/16/1979US4171337 Process for forming ceramic bodies employing aqueous lubricant
10/16/1979CA1064228A1 Apparatus for making modular crypts
09/1979
09/25/1979US4168820 Mold for producing concrete slotted floor
09/20/1979WO1979000680A1 Method and apparatus for precasting concrete products
09/11/1979US4167549 Parting agent for molds used in forming concrete and method of use
09/11/1979US4167385 Concrete mold
09/04/1979US4166604 Mold for fabricating a sparger plate
09/04/1979CA1061524A1 Apparatus for molding a slurry of calcium silicate crystals
08/1979
08/28/1979CA1061088A1 Mold for production of building elements
08/14/1979US4164537 Brick press and associated equipment for making bricks
08/08/1979EP0003227A1 Method of turning over a prefabricated element of reinforced concrete
07/1979
07/26/1979WO1979000473A1 A method of casting concrete
07/24/1979CA1058807A1 Mold release composition containing tungsten disulfide
07/11/1979EP0002992A2 Device and method for moulding sanitary articles.
07/11/1979EP0002891A1 Process for forming ceramic bodies employing aqueous lubricant
07/03/1979US4160003 Method of molding cementitious material
06/1979
06/26/1979US4159101 Jacket for a mold
06/26/1979US4159100 Forms for pre-cast concrete panels
06/26/1979US4159098 Form for casting stepped openings
06/26/1979CA1057033A1 Methods for guiding slip-forms in slip-form concreting
06/12/1979US4157887 Pressing die for producing ceramic moulds from a pulverulent mass
05/1979
05/29/1979US4156517 Beam form
05/29/1979US4156516 Apparatus for shaping moldable materials
05/15/1979US4154423 Apparatus for the construction of a domed structure such as an igloo
05/08/1979US4153401 Equipment for filling molds with colored mortars and with the aid of partitions to define patterns on the visible surface
05/01/1979US4152382 Greater than normal height
05/01/1979CA1053446A1 Method and apparatus for forming thin-walled honeycomb structures
04/1979
04/24/1979US4151246 Manufacture of short pipes
04/17/1979US4150083 Contouring gypsum articles
04/17/1979US4149697 Casting and stock-piling outfit
04/17/1979US4149695 Apparatus and process for molding of hollow articles
04/17/1979CA1052546A1 Support and installation jack for hole forming devices and setting tool therefor
04/05/1979WO1979000167A1 Method of moulding concrete
04/03/1979US4147818 Coating with urethane and acrylic resins
04/03/1979US4147323 Concrete forming and curing apparatus
04/03/1979CA1051765A1 Plasterboard manufacture
04/03/1979CA1051638A1 Apparatus for forming holes or bores in concrete floors and walls
03/1979
03/27/1979CA1051175A1 Method and apparatus for vacuum processing of concrete
03/27/1979CA1051174A1 Apparatus for forming holes or bores in concrete floors and walls
03/13/1979CA1050243A1 Apparatus for manufacturing rough faced bricks
02/1979
02/27/1979US4141946 Steel reinforcement, plastic core
02/27/1979US4141532 Frame structure for casting concrete
02/21/1979EP0000837A1 Load bearing wall panels and method of manufacture thereof
02/13/1979US4139593 Method and apparatus for making molded articles
02/13/1979US4138892 Electrically heated mold for making test specimens of concrete
02/13/1979CA1048240A1 Method of molding concrete
02/13/1979CA1048214A1 Apparatus and process for molding of hollow articles
01/1979
01/30/1979US4136849 Apparatus for manufacturing concrete building sections
01/30/1979CA1047238A1 Manufacture of fibrous insulation modules
01/23/1979US4135695 Molding machine more particularly for the manufacture of square-shaped construction elements
01/16/1979US4134569 Automatic core gate
01/16/1979CA1046247A1 Expansible mold for the manufacture of plaster pieces
01/10/1979EP0000298A1 Process and apparatus for the direct electrical heating of concrete
01/09/1979US4133859 Process and apparatus for making a plurality of building modules
01/09/1979US4133692 Cements
01/09/1979US4133369 Fluid treatment modules
01/02/1979US4132577 Process for producing hollow profiled structures, and structures produced thereby
01/02/1979US4132046 Method of making modular crypts
01/02/1979CA1045347A1 Method and apparatus for manufacturing concrete elements
12/1978
12/26/1978US4131670 Method of making prefabricated building components of expanded material and cement
12/26/1978US4131405 Apparatus for producing structural panels
12/21/1978WO1978000010A1 Multipurpose production line for the making of small and average sized products made of concrete and reinforced concrete
12/19/1978CA1044444A1 Fixtures for holding the outer frame of a sash window or the like in precasting a concrete panel integral therewith
12/12/1978US4129631 Methods for guiding slip-forms in slip-form concreting
12/12/1978US4128975 Prefabricated building components of expanded material and cement
12/05/1978US4128375 Apparatus for producing plates and similar articles
12/05/1978US4127971 Building constructed of precast L-shaped concrete units
11/1978
11/28/1978CA1043078A1 Apparatus for producing concrete reinforced ties
11/21/1978US4126655 Method and apparatus for manufacturing concrete elements
10/1978
10/31/1978US4123034 Box form for concrete culvert
10/31/1978US4123033 Apparatus for forming hollow cylindrical pipes of reinforced concrete
10/24/1978US4121804 Adjustable concrete form
10/17/1978US4120930 Coating with metal layer and then a layer of material such as carbides, nitrides, and oxides of tungsten, boron, silicon, and aluminum
10/10/1978US4119695 Method and apparatus for forming hollow concrete elements
10/10/1978US4119691 Method and mold for producing concrete slotted floor
10/10/1978US4119293 Support and installation jack, hole forming devices and setting tool therefor
10/10/1978CA1039913A1 Pneumatic core press
10/03/1978US4118235 Perfluoroalkyl phosphate, silicone oil or highly fluorinated compound
09/1978
09/26/1978US4117071 Concrete tanks with interlocking bottom
09/26/1978US4117060 Binders, vinyl acetate-dibutyl maleate copolymer
09/05/1978US4112173 Concrete module unit
08/1978
08/29/1978US4110388 Method and a mould for producing an insulating unit, in particular a building unit
08/22/1978CA1036798A1 Method of manufacturing an open cellular article
08/22/1978CA1036797A1 Building panels
08/22/1978CA1036772A1 Method and apparatus for compacting granular material
08/01/1978US4103862 Apparatus for production of precast manhole bases
07/1978
07/25/1978US4102618 Manufacturing benches for moulded construction
07/18/1978US4101255 Apparatus for manufacturing wave-shape building blocks
07/18/1978US4101111 Block and brace assembly
07/11/1978US4100249 Method of and apparatus for molding a receptacle
07/04/1978US4098865 Methods of making paving block
07/04/1978US4098755 Shaped articles of hydraulic cement compositions having a reflective surface
07/04/1978US4098562 Reinforced concrete block making machine