Patents for B28B 7 - Moulds; Cores; Mandrels (12,030)
06/1978
06/27/1978US4096749 Core sampling device
06/27/1978US4096678 Insulated construction element
06/20/1978US4095771 Devices for manufacturing wall partitions
06/13/1978US4094941 Method and apparatus for making decorative panels in relief
06/06/1978US4093685 Freezing into place bricks or tiles
06/06/1978US4093175 Distensible elastomeric molds
06/06/1978US4093174 Combination die and pallet
05/1978
05/30/1978US4092395 Method of making fluid treatment modules
05/16/1978US4089925 Method for making faced blocks
05/16/1978US4089924 Cements
05/16/1978US4089502 Modular knock-out cavity forming inserts
05/09/1978US4088808 Shaped articles of hydraulic cement compositions with a glossy reflective surface and reinforced with fiber glass
05/09/1978US4088296 Apparatus for molding the interior of building modules
05/02/1978US4087072 Form means for fabricating pre-cast structural panels
04/1978
04/25/1978US4085918 Composite construction form system
04/11/1978US4083527 Mould for production of building elements
04/11/1978US4083526 Paperboard tube concrete forms
03/1978
03/28/1978US4081167 Vertically flaring concrete form
03/21/1978US4080132 Adjustable two piece plunger
03/21/1978US4080130 Apparatus for extruding, lining and pressing clay blanks
03/21/1978US4080129 Wheel mounted invertible molds
03/21/1978US4079912 Adjustable core forms
03/14/1978US4079108 Molding, suction, injecting foam
03/14/1978US4078760 Combination die and pallet
03/14/1978US4078294 Method of making fluid treatment modules
03/07/1978US4077757 Concrete panel making apparatus
03/07/1978US4077599 Device for forming apertures in concrete
02/1978
02/28/1978US4076779 Method of restoring the fluid permeability of a used, ceramic fluid-release mold
02/28/1978US4076569 Process for upgrading plywood panels
02/14/1978US4073609 Apparatus for molding irregular shapes
01/1978
01/17/1978US4068996 Apparatus for molding concrete articles and the like
01/17/1978US4068992 Apparatus for manufacturing tiles
01/10/1978US4067943 Method of manufacturing a slip cast article
01/10/1978US4067941 Process for producing slabs from poured concrete
12/1977
12/27/1977US4065540 Method of producing precast concrete panels with built-in outer sash frames
12/20/1977US4063976 Calcium sulfate plaster core, reduction of starch migration into paper
12/20/1977US4063859 Apparatus for producing shaped concrete products
11/1977
11/29/1977US4060581 Method of making a composite burial vault
11/29/1977US4060218 Pneumatically controlled rigid core-former
11/29/1977US4060217 Concrete forms for building a concrete spillway
11/22/1977US4059376 Apparatus for moulding hydraulic cement or the like material
10/1977
10/25/1977US4055322 Permeable liner having concrete setting retardant
10/25/1977US4055321 Inside concrete corewall form with particular three-way hinge assemblies therefor
10/11/1977US4053268 Apparatus for molding a slurry of calcium silicate crystals
09/1977
09/27/1977US4050865 Brick press and associated equipment for making bricks
09/27/1977US4050666 Mold ejector multiplier
09/13/1977US4047690 Mold for concrete test cube
08/1977
08/30/1977US4045153 Molding apparatus including one-piece flexible mold and means to restrict the deformation of the mold
08/16/1977US4042659 Method of molding modular buildings
08/16/1977US4042205 Mold element for horizontally forming panels
08/09/1977US4041122 Process for molding of hollow articles
08/09/1977US4040227 Methods of manufacturing building sections
08/09/1977US4040226 Building block with wave-shaped upper and lower support surfaces
08/02/1977US4039608 Method and means for creating perforated concrete casing
07/1977
07/26/1977US4038355 Molding concrete ties
07/26/1977US4037816 Apparatus for forming a liner on a planar form means
07/19/1977US4036922 Method and apparatus for moulding hydraulic cement or the like material
07/19/1977US4036839 Water reducers
07/12/1977US4035128 Brick press and associated equipment for making bricks
07/12/1977US4034956 Apparatus for forming crypts
07/05/1977US4033545 Apparatus for making interlocking crypt modules
06/1977
06/28/1977US4031684 Decorative precast concrete boards and process for producing the same
06/07/1977US4027845 Flexible mold including rigid encapsulated mandrel
05/1977
05/31/1977US4026746 Elastomeric binder, silicon nitride powder
05/31/1977US4026511 Destructible bore forming means
05/24/1977US4025265 Concrete tie forming system
05/17/1977US4023769 Molding means having opposed core assemblies
05/17/1977US4023767 Mold box and mold head
05/10/1977US4022859 Method of producing shaped concrete blocks for hydraulics
04/1977
04/19/1977US4018864 Molding
04/19/1977US4018857 Method and a device for the production of ceramic mouldings, and more especially of magnetized ferrite mouldings
04/19/1977US4018416 Resilient, destructable core means
02/1977
02/15/1977US4008026 Concrete forming apparatus for making fence posts and the like
02/01/1977US4005972 Invertible apparatus for molding a concrete panel
02/01/1977US4005971 Casting machine for making concrete slabs
01/1977
01/25/1977US4004874 Apparatus for production of cast concrete members
01/18/1977US4003545 Core means having a rubber liner
01/11/1977US4002707 Method and apparatus for the construction of concrete shells
12/1976
12/21/1976US3998423 Combination die and pallet
12/21/1976US3998422 Flexible mold having internal seams
11/1976
11/30/1976US3995086 Shaped articles of hydraulic cement compositions and method of making same
11/30/1976US3994659 Apparatus for formimg ceramic hollow ware with split mould
11/30/1976US3994470 Mold having means for positioning a window frame
11/23/1976US3993727 Fired alumina ceramic; sealing conduits
11/23/1976US3993495 Porous ceramic articles and method for making same
11/16/1976US3991969 Form positioning apparatus
11/09/1976US3990673 Apparatus for casting
11/02/1976US3989795 Method of compressing ceramic refractory bodies
11/02/1976US3989581 Apparatus for producing boards of filamentary material
09/1976
09/28/1976US3982874 Production line apparatus for producing concrete floors
09/28/1976US3982721 Molding apparatus including a one-piece flexible mold deformable by fluid pressure differential
09/21/1976US3981953 Method for casting blocks having fractured face
09/14/1976US3980414 Core and pressing head of mold box assembly
09/14/1976US3980269 Molding apparatus including a one-piece flexible mold having male and female forming members
08/1976
08/31/1976US3977646 Apparatus for molding concrete girders
08/24/1976US3976741 Building construction
08/24/1976US3976276 Apparatus for forming a concrete feed bunk
08/17/1976US3975131 Expansible mold for the manufacture of plaster pieces
08/10/1976US3974247 Process for shaping components made of concrete or mortar
08/10/1976US3973749 Hollow formwork elements for producing concrete structures