Patents for B29B 13 - Conditioning or physical treatment of the material to be shaped (7,031)
07/1991
07/17/1991CN1053032A Method and apparatus for delivering molten polymer to extrusion die
07/11/1991WO1991009717A1 Process for low-temperature elastomer finishing
07/11/1991DE4040204A1 Recycling polyurethane or polyurea scrap - by disintegrating, removing unwanted material in cyclone, heating in an air draught, and forcing under pressure into mould
07/11/1991CA2028344A1 Method and apparatus to prepare extruded particles
07/10/1991EP0436132A2 Process for lowering the cristallisation temperature of poly(arylene sulphides)
07/10/1991EP0324800B1 Mixing and shearing roll mill for plastifiable material
07/09/1991US5030394 PVdF-based powder coatings
07/09/1991US5029403 Post treatment plant for plastic granules
07/09/1991CA1285731C Method of agglomerating and dewatering polymeric materials
07/03/1991EP0435042A2 Method for thermoplastics postforming
07/03/1991EP0435023A2 Method for removing volatile substances from polyphenylene ether resin blends
07/03/1991EP0434975A1 Chopping machine for reducing waste tyres to small pieces
07/02/1991US5027743 Apparatus for applying liquid, pasty or plastic substances to a substrate
07/02/1991CA1285359C Filtration system
06/1991
06/28/1991CA2030055A1 Method for removing volatile substances from polyphenylene ether resin blends
06/27/1991WO1991008883A1 Method of molding fiber-reinforced composite material and premolded body of said material
06/27/1991DE3941392C1 Treating granulate material after granulating plastic melt - has handling stage located after granulating unit, for dewatering and drying granulate
06/25/1991US5026188 Resin dispenser with combined cooling and heating tube
06/25/1991CA1285245C Automatic sorting system for plastic pellets
06/18/1991US5025137 Thermoplastic heating apparatus
06/18/1991US5025044 Extrusion isolation of blends of rubber and asphalt
06/12/1991EP0431442A2 Method and apparatus for making preforms
06/09/1991WO1991008884A1 Method and apparatus for delivering molten polymer to an extrusion die
06/09/1991CA2070829A1 Method and apparatus for delivering molten polymer to an extrusion die
06/06/1991DE3939352A1 Bending tool for thermoplastic tubes - consists of heated block made up of lengths with suitably shaped groove which is narrower along its mouth so that tube snap-fits into it
06/05/1991EP0430199A2 Process for preparing free-flowing mixtures of adhesive coated waste plastic material and the related mixtures
05/1991
05/30/1991WO1991007264A1 Densifying apparatus for plastics material
05/28/1991CA1284547C Thermoplastic polymers having improved properties and process for improving the melt flow index thereof
05/22/1991WO1991007272A1 Method of joining hollow plastics members by fusion
05/22/1991CN1051575A Process and composition for manufacturing friable rubber bales
05/21/1991US5017760 Plastic pipe heater
05/21/1991US5017126 Blow molding apparatus
05/21/1991US5017110 Apparatus for producing high-temperature resistant polymers in powder form
05/15/1991EP0427645A1 Process for manufacturing thermotropic polymeric powders, through extrusion-pelletization-milling, and the fine, free-flowing powders so obtained
05/15/1991EP0427339A2 Process and composition for manufacturing friable rubber bales
05/15/1991CN1051364A Process for removing chloroprene dimers from polychloroprene
05/11/1991CA2029645A1 Process for the preparation of thermotropic polymer powders by extrusion-granulation-grinding, and granulates used to obtain these fine flowable powders
05/08/1991EP0426025A2 Extrusion isolation of blends of rubber and asphalt
05/08/1991EP0426023A1 Process for removing chloroprene dimers from polychloroprene
05/08/1991EP0299077A4 Method of obtaining rubber powder on the basis of natural or synthetic rubber
05/02/1991WO1991006420A1 Thermoforming method
05/02/1991DE3936009A1 Plasticising plant for making plastics - uses drying air return flow pipe to deliver plastics to plasticising machine
05/02/1991CA2054758A1 Thermoforming method
04/1991
04/09/1991US5005771 Process for the continuous drying of hydrophilic polymer gels
04/02/1991US5003916 Adhesive supply unit
03/1991
03/13/1991EP0417005A1 System for injection moulding molten material into a receiving device such as a mould
03/13/1991EP0416475A2 Method and apparatus for transporting dry plastics granules
03/12/1991US4998502 Apparatus for tempering fluid masses
03/12/1991CA1281380C Viscosity reduction apparatus
03/12/1991CA1281184C Dryer for drying extrudable materials
03/06/1991EP0415258A2 Process for washing powdery and/or granular resins and a washing device therefor
03/06/1991EP0415137A2 Deep-drawing machine with preheating device
03/06/1991EP0415074A2 Method for extruder devolatilization of spiro (bis) indane polycarbonates
03/05/1991US4997613 Method for installing end caps on tubular members
03/05/1991US4997137 Apparatus for grinding materials
03/05/1991US4996779 Plastic material dryer
03/02/1991CA2024301A1 Method for preparing rubber products
03/01/1991CA2023780A1 Process for washing powdery and/or granular resins and a washing device therefor
02/1991
02/28/1991CA2017479A1 Method for extruder devolatilization of spiro (bis) indane polycarbonates
02/27/1991EP0413975A2 High dielectric constant material to shape electric fields for heating plastics
02/26/1991CA1280652C Thermoplastic melting apparatus with a level indicator
02/26/1991CA1280568C Preparation of a plastic material to be extruded in the shape of a dimensioned strand for use as an insert for multiple glazing
02/12/1991US4991597 Process and apparatus for wrapping cigarette packs in transparent film
02/07/1991WO1991001207A1 Method and apparatus for centrifugal cooling and treating of solids in dilute phase solid-gas systems
02/06/1991EP0411847A2 An on-line drying control method for powdered or granular materials and a system to execute the method
02/06/1991EP0411343A2 Method and apparatus for shaping unsorted polluted plastics
02/02/1991CA2022387A1 On-line drying control method for powdered or granular materials and a system to execute the method
01/1991
01/31/1991DE3923971A1 Wire recovery from used tyres - uses deep cooling and hammering to liberate wire for size sorting
01/24/1991WO1991000795A2 Polystyrene recycling process
01/23/1991EP0387287A4 Thermoplastic melting apparatus with a level indicator
01/22/1991US4986941 Selenium or selenium alloy shot; silicon carbide or nickel alloy apparatus
01/22/1991CA1279305C Comminuting device
01/16/1991EP0407876A2 Method of and apparatus for drying and heating of polyamide granules
01/16/1991EP0407439A1 A moulding compound and a method of manufacturing the compound.
01/16/1991EP0288541B1 Device for applying liquid, pasty or plastic substances to a substrate
01/15/1991CA1279051C Tire processing apparatus and method
01/14/1991CA2020925A1 Drying and heating of polyamide granules
01/09/1991EP0406535A1 Apparatus for post-treating pellets
01/09/1991EP0406235A1 A mill
01/01/1991US4982068 Fluid permeable porous electric heating element
12/1990
12/27/1990EP0329662B1 Device for processing plastic materials
12/25/1990US4980105 Removing impurities, such as spirobis/indane cyclic dimer
12/18/1990US4978575 Method for the production and processing of reactant mixtures of plastics
12/18/1990CA1277817C Granulator for cross-linkable plastic
12/12/1990EP0401866A1 Device for applying liquid, pasty or plastic substances to a substrate
12/11/1990US4976471 Comminuting plastic or wood into smaller pieces
12/05/1990EP0400721A2 Processing of polymers of carbon monoxide and ethylenically unsaturated compounds
12/05/1990EP0400116A1 Method and device for the conditioning of the temperature of a preform.
12/05/1990CN2066803U Lever two working position filteing screen changing device
12/04/1990US4974338 Drying process
12/04/1990US4974336 Drying method
11/1990
11/29/1990WO1990014216A1 Calendering control system
11/27/1990US4973439 Extruder, toner resin, pigment particles
11/26/1990CA2017323A1 Processing of polymers of carbon monoxide and ethylenically unsaturated compounds
11/22/1990EP0398242A2 Apparatus for granulating of solids
11/15/1990DE4014632A1 Heating equipment for plastic laminate prior to edge forming - chamber is insulated on three sides, has fourth side for laminate heating and is mounted on stiff beam
11/14/1990EP0396604A1 A method and a device for changing the temperature of a plastic melt by cooling or heating the same
11/13/1990US4970399 Method and apparatus for processing UV-hardenable reaction resin compounds
10/1990
10/31/1990EP0395379A1 Tire rasp blade
10/31/1990CN1010220B Transportation method of synthetic rubber chips
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