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