| Patents for B29C 31 - Handling, e.g. feeding of the material to be shaped (6,870) |
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| 10/31/1991 | WO1991016190A1 Method of manufacturing bottle with hand-grip |
| 10/30/1991 | CN1055701A Pultruded profiles |
| 10/29/1991 | US5061339 Molding machine for rubber belt production |
| 10/29/1991 | US5061171 Apparatus for performing friction material |
| 10/29/1991 | US5061167 Injection molding machine including a cutting unit |
| 10/24/1991 | DE4012266A1 Loading press with twin SMC stacks - cutting SMC longitudinal and transversely, and feeding cut sheets with alternating motion to mix left and right hands in each stack |
| 10/23/1991 | EP0452867A1 Process and apparatus for heat treatment of a web having a fluid or pasty composition applied to it |
| 10/23/1991 | CN1055504A Method for controlling of injection of injection moulding machine |
| 10/17/1991 | WO1991015349A2 Device for manufacturing tubes |
| 10/17/1991 | WO1991008095A3 Single-strip moulding apparatus |
| 10/16/1991 | EP0451670A1 Retention device for crown caps |
| 10/16/1991 | EP0451447A1 Method of forming synthetic resin formed articles |
| 10/15/1991 | CA1290539C Device for the preforming and transfer of a banderole in a container thermoforming installation |
| 10/09/1991 | EP0250417B1 Method and an apparatus for wrapping an external tape support about a filter element assembly |
| 10/08/1991 | CA1290231C System for the production of rubber tubes |
| 10/02/1991 | EP0449795A1 Process and device for applying a detector wire in a cable duct |
| 10/02/1991 | EP0448865A2 Rotating cylindrical thermal treatment apparatus |
| 10/02/1991 | EP0448557A1 Improvements in and relating to handling means. |
| 10/01/1991 | US5052916 Mold for the production of flat moldings of curable casting resins |
| 09/25/1991 | EP0447883A1 Device and method for mixing at least two reactive plastic components |
| 09/24/1991 | US5051227 Production of preforms and blow molded articles |
| 09/24/1991 | CA1289504C2 Device for holding and cooling an elevated temperature parison |
| 09/24/1991 | CA1289345C2 Manufacture of glass fibre truck bodies |
| 09/19/1991 | WO1991013747A1 Machine for the transportation and precision positioning of fabric pieces, tapes, strips and the like |
| 09/17/1991 | US5049426 Helical formed take-up liner for uncured rubber members and method of producing the same |
| 09/17/1991 | US5049325 Method for press-molding thermoplastic resin |
| 09/17/1991 | CA1289132C Feed device for continuous feed mixer |
| 09/17/1991 | CA1288920C Device and process for the manufacture of a composite part |
| 09/11/1991 | EP0445634A2 Method for producing plastic and elastomeric composites |
| 09/11/1991 | EP0187863B1 Air-flow control valve for an automotive air-conditioning apparatus and a method of producing the same |
| 09/10/1991 | US5046197 Molded plastic belt and buckle |
| 09/06/1991 | WO1991013743A1 Method of controlling injection of injection molding machine |
| 09/06/1991 | CA2054739A1 Injection control method for injection molder |
| 09/03/1991 | US5045250 Method of apportioning the quantity of material in the manufacture of molded products made from hardenable molding compounds |
| 09/03/1991 | US5044922 Apparatus for applying labels in the molds of a plastic blow molding machine |
| 09/03/1991 | US5044757 Extrusion device for incorporating additives |
| 09/03/1991 | US5044309 Coating apparatus for coating transparent plastic coatings with a pigmented filter strip |
| 08/27/1991 | US5042234 Collagen film and netting packaging system and method |
| 08/21/1991 | EP0442357A2 Process for the preparation of photopolymer plates |
| 08/21/1991 | EP0302922B1 Device for the continuous manufacture by extrusion of a tube provided with spiral threads |
| 08/20/1991 | US5040965 Molding handling aid |
| 08/20/1991 | CA1287721C Installation for producing packaging containers |
| 08/20/1991 | CA1287720C Method for manufacturing blanks of semi-finished products of fibre-reinforced synthetic resin stock |
| 08/15/1991 | CA2036302A1 Process for the manufacture of photopolymer plates |
| 08/13/1991 | US5039299 Injection molding machine having an article transfer arrangement |
| 08/13/1991 | US5039293 Device for the manufacture of a composite part |
| 08/13/1991 | CA1287466C Apparatus for unwrapping and removal of rubber tubes |
| 08/06/1991 | US5037597 Unloading and assembly system and process for injection molding apparatus |
| 08/06/1991 | US5037498 Continuous honeycomb panel molding method |
| 07/30/1991 | US5035685 Recovery device and procedure for extracting a sheath after it has been folded transversely |
| 07/24/1991 | EP0334874B1 Device for metering at least two flowable reaction components into a mixing chamber |
| 07/23/1991 | US5034167 Apparatus and method for eliminating static charge from polystyrene beads for pattern molding |
| 07/23/1991 | US5033784 Mold balancing lifting bar |
| 07/16/1991 | US5031749 Apparatus and method for extracting tubular articles |
| 07/10/1991 | EP0436386A2 Pinch valve and method of fabricating the same |
| 07/09/1991 | US5030080 Resin material supply apparatus to resin press molding machine |
| 07/02/1991 | US5028173 Apparatus for the floatable guiding of webs of material by air blown against the web |
| 07/02/1991 | CA1285457C Valve |
| 06/29/1991 | CA2032811A1 Mold fill coupling |
| 06/27/1991 | WO1991008888A1 Compression molding device |
| 06/26/1991 | EP0433602A2 Method and apparatus for forming elastomers |
| 06/25/1991 | US5026515 Crude tire setting method in tire vulcanizing press |
| 06/19/1991 | EP0432190A1 Bulk material feeding device for mass flow dosing apparatus. |
| 06/18/1991 | US5024593 Apparatus for transporting moldings from an injection molding machine |
| 06/18/1991 | US5024592 Apparatus for forming an aerosol container closure |
| 06/18/1991 | US5024561 Bulk material feeder provided with internal cleaning mechanism |
| 06/18/1991 | CA1284867C Apparatus for charging a mold to produce molded plastic parts and process therefor |
| 06/13/1991 | WO1991008095A2 Single-strip moulding apparatus |
| 06/12/1991 | EP0431767A1 Sequential rotary extrusion system |
| 06/11/1991 | US5022847 Injecting unit for use in an injection molding machine |
| 06/05/1991 | EP0430519A2 Belt-shaped member supplying method and apparatus |
| 05/30/1991 | WO1991007264A1 Densifying apparatus for plastics material |
| 05/29/1991 | EP0428792A2 Single strip molding apparatus |
| 05/29/1991 | DE3939189A1 Injection pressing homogeneous prods. from plastic scrap - by pumping melt produced from pelletised scrap using extruder, into cylinder, then forcing into press tool |
| 05/22/1991 | EP0427987A2 Method of and apparatus for forming finished cups of expanded resin |
| 05/22/1991 | CN1051526A Method for maintaining constant positioning force of scraper on feeding roll of extruder |
| 05/22/1991 | CN1051522A Method and device for pressure balancing of hoses at extruding of two components |
| 05/21/1991 | US5017121 Injection molding machine comprising a protective covering |
| 05/21/1991 | US5017111 Apparatus for charging a tire heating press |
| 05/21/1991 | CA1284257C Apparatus for cleaning rotating elements of machinery for processing plastics |
| 05/08/1991 | DE4029193A1 Dispenser for pumping, metering and mixing liq. resins - has at least two storage tanks each with piston pump in base and also drive unit with measuring sensor and control valve |
| 05/08/1991 | DE4011104C1 Post treatment of SMC resin mat lines from impregnating station - includes using separating appts. and staged collector contg. several bands on which the mats thicken |
| 04/24/1991 | EP0423574A1 Mixing and proportioning device for reactive plastic components |
| 04/24/1991 | EP0423458A1 Method of pressing a doctor with constant force against the feed roller of an extruder |
| 04/24/1991 | EP0307399B1 Loading device |
| 04/19/1991 | CA2027859A1 Method of maintaining the force of a stripper blade on an extruder feed roller constant and an apparatus therefor |
| 04/18/1991 | DE3931597A1 Filling of various tool shapes with soiled recycled plastic - comprises extruder distributor head with at least two outlets controlled by programmed slides closes off when tools are full |
| 04/16/1991 | US5007814 Device for separating and closing a split mold having two halves |
| 04/16/1991 | US5007150 Apparatus for the application of a gasket inside closures comprising a cup, such as screw-on and crown caps |
| 04/10/1991 | EP0421642A2 Apparatus and method for applying labels in the molds of a plastic blow molding machine |
| 04/09/1991 | US5006188 Laminate of skin and base marterial |
| 04/03/1991 | EP0419903A2 Raw material resin feeding system for a molding machine |
| 04/02/1991 | US5004352 Plasticizing screw |
| 03/27/1991 | EP0419401A2 Methods of making composites using single sided resin impregnated fabric piles |
| 03/26/1991 | WO1991004103A1 Method and device for pressure balancing of hoses at extruding of two components |
| 03/19/1991 | US5000905 Stretch blow-moulding thermoplastics articles |
| 03/19/1991 | CA1281516C Device for applying a viscous sealant in annular form on to a substantially flat surface, specifically to a can end |
| 03/14/1991 | DE3929664A1 Thermoforming film container plus tube - by mould tools which grip tube in tapered holes so that when vacuum thermoforming is completed some space allows film to cool round tube |
| 03/13/1991 | EP0416957A2 A method and apparatus for the removal of moulded parts from a mould |
| 03/12/1991 | US4998502 Apparatus for tempering fluid masses |