Patents for B29B 13 - Conditioning or physical treatment of the material to be shaped (7,031)
03/1980
03/18/1980US4193956 Process for curing thermosetting resins and elastomers
03/11/1980CA1073323A1 Compositions containing thiofunctional polysiloxanes
03/11/1980CA1073212A1 Cooling system for molds
03/04/1980US4191726 Pretreatment with hot gases, high-speed pressing, sintering
02/1980
02/20/1980EP0008012A1 Method for the production of hollow articles
02/19/1980US4189291 Apparatus and process for recovering scraps of thermoplastic material, even of heterogeneous shapes, by gradual melting and compression through one or more orifices
02/19/1980CA1071818A1 Liquid reaction molding press and method
02/12/1980US4188185 Method and apparatus for the treatment of particulate materials
01/1980
01/29/1980CA1070469A1 Pipe end reforming apparatus
01/23/1980EP0006855A1 Supply package for wet-impregnated multifilament roving.
01/22/1980US4185146 Polyurethane binder composition containing a rubber extender oil and a finely divided solid soybean derivative
01/22/1980US4185057 Dewatering of plastic materials with controlled gaseous injection
01/22/1980CA1070444A1 Method of increasing the water absorption of cellulose-containing materials
01/15/1980US4183674 Melt mixer
01/15/1980CA1069667A1 Apparatus for forming tubular pipe covering sections
01/09/1980EP0006275A1 A process for the treatment of aromatic polyamide fibers, which are suitable for use in construction materials and rubbers, as well as so treated fibers and shaped articles strengthened with these fibers
01/08/1980US4182846 Water and oil repellents, antisticking agents
01/01/1980US4181698 Method of belling a plastic pipe
01/01/1980US4181551 Method of producing stamped plastic articles
12/1979
12/25/1979US4179819 Combustion
12/18/1979US4179254 Injection mold with floating stripper ring
12/11/1979CA1067673A1 System for producing directionally solidified castings
11/1979
11/27/1979CA1067055A1 Method for cold-milling cellulose derivatives
11/27/1979CA1066864A1 Apparatus for continuous of oriented thermoplastic hollow-bodied articles
11/20/1979US4174647 Apparatus for straight line shearing
11/13/1979US4174415 No-gel latex foam material and its preparation
11/13/1979US4174367 Form tool for production of a reinforced hose piece
11/13/1979US4174198 Foreign material removing device in synthetic resin reclaiming machine
11/13/1979US4174043 Irradiation polymerization
11/06/1979US4173607 Method for texturing the surface of non-woven fabric films
11/06/1979CA1065570A1 System and method for heating and forming thermoplastic material
10/1979
10/31/1979EP0004844A2 Apparatus for manufacturing plastic products
10/23/1979CA1064695A1 Apparatus for melting and dispensing thermoplastic material
10/02/1979US4169299 Apparatus for cleaning parting surfaces of plastic molds
09/1979
09/11/1979US4167384 Filter screen exchanging apparatus for plastic extruder
09/11/1979CA1061974A1 Manufacture of plastics material articles
09/11/1979CA1061967A1 Casting or injection mold for vehicular tires
09/04/1979US4166593 Cassette housing with integral tape guide
08/1979
08/22/1979EP0003695A1 Mold assembly for molding a flexible contact lens
08/21/1979CA1060857A1 Hot melt dispenser
08/21/1979CA1060856A1 Plastic material pumping and dispensing
08/21/1979CA1060619A1 Extruder and screw therefor for effecting transverse currents in work material handled thereby
08/14/1979CA1060595A1 Parting agent in powder form
07/1979
07/31/1979CA1059276A1 Cold forming process
07/24/1979CA1058816A1 Die-pressing device for the manufacture of records
07/17/1979US4161391 Melting apparatus
07/10/1979CA1057927A1 Manufacture of thin walled plastics articles
07/03/1979CA1057690A1 Drum unloading apparatus and method
07/03/1979CA1057475A1 Apparatus for preparing a plasticated material
06/1979
06/13/1979EP0002362A1 Screw vent for devolatilizer
06/13/1979EP0002361A1 Vent for devolatilizing screw press
06/12/1979US4157884 Vacuum molder
06/05/1979US4157372 Method of molding a connecting socket part on a synthetic resinous pipe end
06/05/1979CA1055667A1 Manufacture of thin walled plastics material articles
05/1979
05/30/1979EP0002121A1 Nitrile containers and process improvements for forming same
05/29/1979US4156626 Sealing lapped surfaces
05/29/1979CA1055210A1 Method for manufacturing shaped articles from multi-block copolymers of acrylonitrile
05/16/1979EP0001766A2 Method for improving the processing qualities of powdery polyolefins
05/15/1979US4154350 Device for transporting hollow plastic blow moldings
05/15/1979CA1054360A1 Thermoplastic dispenser
05/08/1979US4153663 Heating sides to different temperatures
05/08/1979US4153659 Enhancing solvent barrier property of pigmented polymeric bodies
05/08/1979US4153501 Continuous devolatilization
05/08/1979CA1053864A1 Process and moulds for moulding of plastic articles
05/03/1979WO1979000235A1 Metal die for injection moulding
05/02/1979EP0001679A1 Particulate polyurethane polymers in the form of micro-bits, a process for their preparation and aqueous slurries containing them
05/01/1979US4152081 Cold milling rubber granulate in a pinned disk mill
05/01/1979CA1053716A1 Method and apparatus for handling workpieces
05/01/1979CA1053466A1 Fluid cooling of molds
05/01/1979CA1053424A1 Process for molding polyurethane foams
04/1979
04/24/1979US4151243 Method for cooling plastic injection mold dies
04/24/1979US4151024 Method for the manufacture of packing containers
04/24/1979US4150719 Process and apparatus for controlled and gentle heating or cooling of viscous solutions or melts of thermoplastics
04/24/1979CA1053262A1 Polyfluorinated phosphinoxides and process for the preparation thereof
04/18/1979EP0001420A1 Method for the second treatment of thermally pre-treated tetrafluoro-ethylene polymers connected with an improvement of the flowing properties, and polymeric powders treated in such a way
04/17/1979US4150079 Pressure
04/03/1979US4147253 Supply package for wet-impregnated multifilament roving
03/1979
03/21/1979EP0001072A1 Method for the mechanical removal of fluids from flat produce consisting of polymers
03/20/1979US4144986 Hot melt adhesive pumping apparatus having pressure-sensitive feedback control
02/1979
02/27/1979CA1049680A1 Process to minimize yellowness in articles formed from acrylonitrile-styrene compositions
02/13/1979CA1048699A1 Polyisocyanate foam having isotropic cells and method and apparatus therefor
02/13/1979CA1048262A1 Dryer for material coated on two surfaces
01/1979
01/30/1979US4137031 Method and apparatus for making plastic articles
01/23/1979US4136146 Method for forming tubular plastic articles
01/23/1979CA1046716A1 Method and apparatus for embossing plastic film
01/09/1979CA1046094A1 Bottom feed gravity operated denester with alternate supports
12/1978
12/26/1978CA1045056A1 Coiled tubing
12/21/1978WO1978000016A1 Supply package for wet-impregnated multifilament roving
12/12/1978CA1044011A1 Apparatus for drying or cooling particulate material with a gas
12/05/1978US4127945 Process and a dryer for drying polychloroprene sheets
11/1978
11/28/1978US4127632 Method of producing undercut tubular synthetic plastic articles
11/28/1978US4127394 Method and apparatus for deaeration of a liquid composition
11/28/1978US4126981 Semi-automatic carton forming, filling, and sealing machine
11/21/1978US4126560 For removing contaminants from molten polymers
11/07/1978US4124658 Devolatilization of styrene polymers with sulfonylhydrazides
11/07/1978US4124559 Compaction of pulverized rubber mixtures
11/07/1978US4124352 Device for removing molded material from multi-plate molds
11/07/1978US4124306 Vent for devolatilizing screw press
10/1978
10/31/1978US4123584 Method for reclaiming processed thermosetting plastic compounds
10/24/1978US4121896 Apparatus for the production of contact lenses
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