Patents for B29B 13 - Conditioning or physical treatment of the material to be shaped (7,031)
05/1981
05/15/1981EP0006855A4 Supply package for wet-impregnated multifilament roving.
05/13/1981EP0028536A2 Process for producing articles of ultra high molecular weight high density polyethylene
05/13/1981EP0028366A1 Process for heating thin surface layers
05/12/1981US4267037 Apparatus for separating waste material contained in a heap
05/12/1981US4266750 Device for manufacturing boots and the like of elastomeric material
05/05/1981US4265850 Process and apparatus for the production of spectacle frame parts of synthetic material
05/05/1981CA1100254A1 Enhancing solvent barrier property of pigmented polymeric bodies
04/1981
04/30/1981WO1981001117A1 Improvements relating to the moulding of thermosetting moulding material
04/28/1981US4264214 Gear motor/mixer
04/21/1981US4263250 Applying mixture of polyether, polyether-polysiloxane copolymer
04/21/1981US4262875 Information record stampers
04/15/1981EP0026874A1 Device for comparison measurement and regulation of the flow of ingredients in mixing apparatuses for multicomponent plastics
04/08/1981EP0026574A1 The production of powdered resin and the powdered resin so produced
04/08/1981EP0026264A1 Apparatus for welding thermoplastic articles
04/01/1981EP0025860A1 Feeding device for preheating plastics material and for the supply thereof to a plastics processing machine
03/1981
03/31/1981US4259031 Method and apparatus for feeding a processing machine
03/18/1981EP0025127A1 Method of making games racket frame
03/17/1981CA1097848A1 Process for purifying styrene polymers and purified polymers made by such a process
03/17/1981CA1097474A1 Cooling system for plastic molds
03/10/1981US4255137 Portable end heater for plastic hose
03/10/1981US4255059 Processing element
03/03/1981US4254068 Method and apparatus for regenerating foamed plastics
02/1981
02/24/1981US4252968 Process for preparing granular polycarbonate
02/24/1981US4252294 Mold for injection molding
02/24/1981CA1096120A1 Foam molding apparatus
02/17/1981US4251474 Annular gasket for moulding lenses for organic material
02/17/1981US4251355 Apparatus for separating snakeskins and fines from polymeric pellets
02/17/1981US4251253 Cooling system for molds
02/17/1981US4250612 Method for working the end of a synthetic resin molding having laminated thereon a metal foil
02/11/1981EP0023715A1 Process for producing rubber articles
02/10/1981US4250300 Fluorine-containing polyesters, and their production and use
02/04/1981EP0023316A1 Mold equipment
02/03/1981US4248819 Process for improving the processing properties of powdery polyolefins
02/03/1981CA1094957A1 Filter medium
02/03/1981CA1094766A1 Filament-forming apparatus with distributor having sliding die and closure members
01/1981
01/27/1981US4247437 Method for cooling polymeric hydrogel blocks
01/27/1981CA1094525A1 Method of manufacturing a cassette housing of a magnetic-tape cassette and cassette housing in accordance with the method
01/20/1981US4246214 Method of molding polyurethane foams in steam heated molds and adhesion steam condensate is used to cool the molds
01/13/1981US4244814 Floss separator
01/13/1981US4244771 Thermoplastic sheet strip heater assembly
01/13/1981CA1093749A1 Expanded styrene-polymers and polyolefin micro-bits and their preparation
01/13/1981CA1093378A1 Method and apparatus for texturing the surface of non- woven fabrics and films
01/06/1981US4243364 Safety mechanism for injection-molding machine provided with take-off member
12/1980
12/30/1980CA1092320A1 Bending process
12/23/1980US4240567 Pump
12/16/1980US4239476 Mold for producing moldings from a plastic compound
12/16/1980CA1091419A1 Method of manufacturing shaped articles from crystalline acrylonitrile polymers and copolymers
12/11/1980WO1980002672A1 Treatment of scrap
12/09/1980CA1090970A1 Compaction of pulverised rubber mixtures
12/02/1980CA1090558A1 Hot melt dispenser body
11/1980
11/18/1980US4234301 Gasket feeding apparatus for an inplace gasket belling machine
11/12/1980EP0018664A1 Method and device for breaking down rubber wastes, in particular rubber tyres
11/12/1980EP0018528A1 Mould release agent used for making bodies of polyisocyanate based plastics material
11/11/1980CA1089167A1 Device for removing molded material from multi-plate molds
11/04/1980US4231987 Method of stripping a molded article
10/1980
10/29/1980EP0018058A2 Container preforms of nitrile thermoplastic material
10/28/1980US4230328 Device for connecting an ejection pin of an injection molding tool or the like to an ejector device
10/28/1980CA1088408A1 Method for the manufacture of packing containers and an arrangement for the carrying out of the method
10/15/1980EP0017349A1 Treatment of sintered polytetrafluoroethylene with irradiation and heat to produce a grindable material
10/14/1980US4227816 Rotary processor
10/07/1980US4227069 Hot melt dispenser
10/07/1980US4226973 Polyesters, crystallization, solid phase
09/1980
09/16/1980US4223128 Process for preparing polyethylene terephthalate useful for beverage containers
09/16/1980US4222723 Molds for injection molding of continuous slide fastener chain
09/16/1980US4222176 Method and apparatus for drying granulated dielectric materials
09/03/1980EP0015202A1 Annular gasket for use in the casting of ophthalmic or optical lenses of organic material, and method of using such a gasket
09/03/1980EP0015151A1 Process for dissolving thermoplastic polymers in compatible liquids and the application thereof to reducing friction of hydrocarbons flowing through a conduit
09/02/1980US4220511 Treatment of sintered poly-tetrafluoroethylene with irradiation and heat to produce a grindable material
09/02/1980CA1084888A1 Supply package for wet-impregnated multifilament roving
08/1980
08/26/1980US4219728 Heater module for an apparatus for melting and dispensing thermoplastic material
08/19/1980US4218208 Inplace gasket belling machine
08/19/1980CA1083806A1 Hot melt dispenser and method of making its melt body
08/12/1980US4217096 Apparatus for heating plastic pipe
08/05/1980US4216265 Aftertreatment of thermally pretreated tetrafluoroethylene polymers and the polymer powders obtained
07/1980
07/23/1980EP0013557A2 Method of laminating sheets and a press comprising two plates for the application of this method
07/22/1980US4213709 Rotary processor
07/15/1980US4212622 Product take out devices for use in molding machines
07/09/1980EP0013197A1 Method for the manufacture of safety footwear for professional use
07/08/1980US4211384 Molding assembly for casting soft contact lenses
07/01/1980US4209912 Process and apparatus for the drying of resinous materials
06/1980
06/26/1980WO1980001315A1 Apparatus for drying granulated material and a valve means for use with said apparatus
06/24/1980US4209160 Articulated mold for objects having undercut parts
06/24/1980CA1079959A1 Process and apparatus for drying and heating nylon granules
06/10/1980US4207004 Seals for rotary processor
06/03/1980CA1078803A1 Recyclable rubber
05/1980
05/27/1980US4204823 Inplace gasket belling machine
05/20/1980US4203721 Method of heating plastic pipe
05/20/1980CA1077653A1 Release agents
04/1980
04/30/1980EP0010338A1 Filter for filtering viscous liquids and particularly molten thermoplastic synthetic resins
04/29/1980US4200207 Hot melt adhesive foam pump system
04/29/1980CA1076464A1 Heating the end of a tubular member
04/15/1980US4197660 Process for crystallizing and drying polyethylene terephthalate and apparatus to carry out said process
04/15/1980CA1075662A1 Film granulator and method of feeding the same
04/15/1980CA1075419A1 Apparatus for the production of contact lenses and processs for the utilization thereof
04/08/1980US4197072 Wax extrusion pen for lost wax patterns
04/01/1980US4196158 Manufacture of thin walled plastics material articles
04/01/1980US4195755 Apparatus for dispensing thermoplastic material from containers
03/1980
03/25/1980US4194841 Method and apparatus for processing polymeric materials
03/25/1980CA1074065A1 Process and apparatus for blow molding
03/19/1980EP0008712A1 Process and device for the treatment of PVC powders
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