Patents for B29C 33 - Moulds or cores; Details thereof or accessories therefor (38,496)
04/1979
04/17/1979US4150074 Method of effecting multi-station in-place reaction injection molding all formable reactive polymeric resin composition
04/17/1979US4150073 Method of controlling the adhesion of a molded plastic lens to the mold
04/17/1979US4149695 Apparatus and process for molding of hollow articles
04/10/1979CA1052302A1 Composite articles
04/03/1979US4147746 Generation of polyurethane foam
03/1979
03/27/1979US4146696 Industrial production of cast plastic lenses
03/27/1979US4146600 Process of operating a vulcanizing press
03/27/1979CA1051159A1 Encapsulating a hollow three dimensional array of reinforcement elements
03/27/1979CA1051154A2 Blank-pierce-and coining die
03/20/1979CA1050727A1 Vacuum bonded dry sand cores
03/20/1979CA1050714A1 Method for repairing and retreading vehicle tyres
03/13/1979US4144305 Method of obtaining interface adhesion between thermosetting layers which contain mold release agents
03/13/1979US4144304 Process for the manufacture of sheets from a mixture of vegetable fibres and polyolefine
03/13/1979US4144006 Metal mold for vulcanization of tires
03/13/1979US4143852 Reusable gasket for use in and in combination with a molding apparatus
03/13/1979US4143587 Apparatus for deforming corrugated fiberboard
03/07/1979EP0001011A1 Improvements in or relating to moulding machines
03/07/1979EP0000886A1 Process and device for producing a reaction mixture resulting in foams or homogeneous substances and for its subsequent introduction into a cavity
03/06/1979US4143193 Rotational molded, synthetic resin outer surface with baffle means attached therein
03/06/1979CA1049724A1 Green tire loader
03/06/1979CA1049723A1 Moulding of synthetic plastics sheet material
02/1979
02/27/1979US4141929 Unidirectional sheet molding composition and process of preparing same
02/27/1979US4141680 Rotary stretch blow molding apparatus
02/27/1979US4141531 Disc record press
02/27/1979CA1049467A1 Method and apparatus for depositing material into a moving receptacle
02/27/1979CA1049345A1 Rubber articles having improved slip coating
02/21/1979EP0000755A1 Method and apparatus for making a shaped body from reinforced plastic
02/20/1979US4140470 Transfer molding venting system
02/20/1979US4140461 Flow molding surface of plastic and conductive particles
02/13/1979US4139591 Reinforced plastic molding material
02/13/1979US4139586 Method of forming articles from thermoplastics sheet by free-blowing
02/13/1979CA1048699A1 Polyisocyanate foam having isotropic cells and method and apparatus therefor
02/13/1979CA1048214A1 Apparatus and process for molding of hollow articles
02/06/1979US4138463 Method for forming solid friction material structures
02/06/1979US4138086 Mold for manufacturing contact lenses
01/1979
01/23/1979US4136149 Molded rubber article and method
01/23/1979US4136146 Method for forming tubular plastic articles
01/23/1979CA1046927A1 Plastic processing system
01/23/1979CA1046746A1 Plant for the production of tubular or hose-like articles of synthetic material
01/23/1979CA1046720A1 Molding system with automatic fluid treatment of mold cavity
01/23/1979CA1046716A1 Method and apparatus for embossing plastic film
01/16/1979US4135180 Aftermixer and apparatus
01/16/1979US4134942 Method for producing foamed articles
01/16/1979US4134784 Mandrel assembly for forming an internally vented filler neck hose
01/16/1979US4134243 Structural panels
01/09/1979US4133860 Method of moulding a reinforced thermoplastic article
01/09/1979US4133621 Apparatus for covering electronic components with plastic material
01/09/1979US4133092 Method of making shaft seal with clinch-butt metal case
01/09/1979CA1046094A1 Bottom feed gravity operated denester with alternate supports
01/02/1979CA1045517A1 Ultrasonic apparatus and method for cleaning tire molds
12/1978
12/26/1978US4131667 Preparation of polyurethane composite mold by injection molding
12/26/1978US4131663 Multilevel embossing of sheet materials
12/26/1978US4131662 Oil-in-water emulsion, organic solvent, metal compound catalyst for reaction of isocyanate with active hydrogen
12/26/1978US4131402 Device for the mutual centering of relatively movable mechanic elements, particularly used on tire curing presses
12/26/1978CA1045064A1 Plastic containers having improved physical properties fabricated from a composite billet
12/26/1978CA1044865A1 Vertical curing mold for tube-tires
12/19/1978US4130620 Photoresist
12/19/1978CA1044416A1 Collapsible core
12/12/1978US4129636 Process for providing mixed foamable reactants to a mold
12/12/1978US4129628 Method of making a thermoplastic lens by vacuum forming
12/12/1978US4129406 Mold for the vulcanization or retreading of vehicle tires
12/12/1978US4129282 Mold apparatus
12/12/1978CA1043993A1 Mandrel for use in assembling bushings
12/05/1978US4128370 Manufacture of electroacoustic transducers which require molding an elastomer to the surface of the transducer material
12/05/1978US4128367 Cable repair vulcanizing press
11/1978
11/28/1978US4127632 Method of producing undercut tubular synthetic plastic articles
11/28/1978US4127547 Polyarylene polyether polysulfone, water
11/28/1978US4127373 Extruder and twin roller calendering plant
11/28/1978CA1043062A1 Mould for closure caps with intermittent threads undercuts or hold-down lugs
11/21/1978US4126661 Process for producing products of cross-linked thermoplastic material
11/21/1978US4126659 Method of making a hollow article
11/21/1978US4126292 Mold die
11/21/1978CA1042642A1 Manufacture of hose using a congealable fluid mandrel
11/14/1978US4125351 Process for the production of a forming tool from reactive resins with fillers, and forming tool
11/14/1978US4125246 Pivot assembly mold apparatus
11/14/1978CA1042164A1 Interchangeable mold assembly
11/07/1978US4124676 Mechanical bond
11/07/1978US4124672 Replication utilizing a casting process
11/07/1978US4124352 Device for removing molded material from multi-plate molds
11/07/1978US4124337 Post cure inflator
11/07/1978CA1041719A1 Method and device for manufacturing moulded plastic articles
10/1978
10/31/1978US4123582 Building form for molded articles having a urethane coating
10/31/1978US4123495 Method for making molded articles of expanded cellular material
10/31/1978US4123307 Method for forming hollow shells by rotational casting and winding thereon
10/31/1978US4123306 Radio frequency vulcanization
10/31/1978CA1041256A1 Phonograph record pressing die assembly
10/24/1978US4122147 Thermoplastics, compression molding
10/24/1978US4122137 Radiation cure of rubber sheets
10/24/1978US4121896 Apparatus for the production of contact lenses
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
10/17/1978US4120636 Apparatus for blow-molding hollow articles, in particular bottles
10/17/1978US4120632 Molds for production of plastics material boats
10/17/1978US4120193 Leak-detecting apparatus
10/17/1978CA1040376A1 Apparatus for minimizing seam formation in heat-shrinkable plastic tubing
10/17/1978CA1040373A1 Assymmetrically shrinking drawn filaments by friction on unheated surfaces
10/17/1978CA1040369A1 Apparatus for clamping mold of injection molding machine
10/17/1978CA1040367A1 Reinforcement encapsulation in plastic material
10/10/1978CA1039913A1 Pneumatic core press
10/03/1978US4118235 Perfluoroalkyl phosphate, silicone oil or highly fluorinated compound
10/03/1978US4118162 Apparatus for manufacturing lengths of rubber hose of curved shape