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| Number | Title | Issue Date |
| 7350960 | Dual flight rotors for continuous mixer assembly In the field of continuous mixer apparatus for commingling particulate thermoplastic materials, employing at least one main rotor with a helical profile body configuration, an improved profile for the peripheral threads is provided. It presents a first upstream feed... | 04/01/2008 |
| 7293909 | Apparatus and method for mixing by agitation in a multichambered mixing apparatus including a pre-agitation mixing chamber An apparatus for agitation mixing comprises a casing including a flow channel through which fluid passes, an agitation body consisting of a shaft installed in the casing and connected to a motor and an agitation blade mounted on the perimeter of the shaft, a powder ... | 11/13/2007 |
| 7284897 | Extruder for continuously working and/or processing flowable materials An extruder has at least three parallel, co-rotating shafts disposed in a cavity therein along a circle. The shafts are equipped with screw elements closely intermeshing over their whole circumference. At least one screw element is formed as a passage screw element ... | 10/23/2007 |
| 7284574 | Apparatus for accurate powder metering An apparatus for accurately metering out powder, comprising a container of powder, comprising an adjustable opening through which the powder is dispensed, said opening being in direct communication with the container; adjusting means for adjusting said opening; and ... | 10/23/2007 |
| 7275857 | Apparatus for treating plastics material A device for treating plastics material, in particular thermoplastic plastics material, has a receiving container (1) which has a base (15) and lateral walls (14). In the receiving container at least [one] disc (17) is arranged close to t... | 10/02/2007 |
| 7244060 | Kneading apparatus A kneading apparatus includes a barrel having a chamber, which is a tubular hollow, a biaxial screw set for extruding a material to be kneaded downstream by rotation of the biaxial screw set inside the chamber, and kneading blade sections, mounted in the screw set, ... | 07/17/2007 |
| 7080935 | Multi-screw extruder The invention relates to a multi-shaft extruder for the continuous treatment and/or processing of bulk material, especially a powdery, granular or flocculent product, comprising a plurality of shafts (3) which are arranged in a crown-like manner in a cavity (... | 07/25/2006 |
| 7040798 | Ring extruder feed The invention relates to a multi-screw extruder for the continuous treatment and/or processing of a bulk material, especially a product in powder, granular or flake form, comprising several shafts (3) which are arranged in a ring shape in a cavity (1) ... | 05/09/2006 |
| 7040797 | Method of producing composition comprising thermoplastic resin and rubber Provided is a method of producing a composition comprising a thermoplastic resin and a rubber, wherein a solid rubber is molten by a rubber kneading machine and fed into an extruder, and the molten rubber is melt-kneaded with the thermoplastic resin in the extruder.... | 05/09/2006 |
| 6994540 | Injection molding system and pellet feeding unit In a conventionally used injection molding apparatus, undried resin pellet is put in a drier of a predetermined temperature and water and gas in the undried resin pellet is completely removed, and the dried pellet deprived of water and gas is thrown into the injecti... | 02/07/2006 |
| 6945687 | Mixing apparatus having a cooled connector The present invention relates to a mixing apparatus at least composed of a screw-based machine S1 and a screw-based machine S2, where S1 has heating equipment, at least in the plasticizing and homogenizing zone, and where the outlet from S2 | 09/20/2005 |
| 6905239 | Sprinkling method for preparing powder formulations The invention relates to a new process for producing powdered preparations for inhalation wherein a substance having a smaller particle size distribution is metered continuously through a suitable feed device onto a moving bed of a powdered substance having a larger... | 06/14/2005 |
| 6719448 | Method and apparatus for the simultaneous production of differently characterized extrudates Material processing apparatus (10) is provided for the simultaneous production of different characterized final products using a single, initially processed product stream. The apparatus (10) includes a barrel assembly (12) having an elongated, ... | 04/13/2004 |
| 6709146 | Thermokinetic mixer and method of using The present invention comprises a novel thermokinetic mixer. In one form of the invention, the mixing chamber shaft projections are removable at least in part and replaceable without cutting the projections from the shaft. In another form of the invention, only a ti... | 03/23/2004 |
| 6638051 | Extrusion molding machine for producing ceramic molding An extrusion molding machine for producing a ceramic molding is provided in which a ceramic material which has not been kneaded is efficiently introduced to realize a high molding speed. The machine includes a screw extruder and a material introduction po... | 10/28/2003 |
| 6299340 | Feeding apparatus and method in spiral engagement of extruder A feeding method and apparatus are provided for a extruder which is used for processing of rubber, plastic and cellulose etc. The feeding apparatus comprises an inlet, through which the materials enter the apparatus; a screw for transferring the materials... | 10/09/2001 |
| 6254374 | System for producing polymeric film Efficient, improved output systems and methods for producing polymeric film are described. Such systems include a feed assembly for positively and substantially constantly feeding polymeric raw material to a grooved feed extruder. The system also includes... | 07/03/2001 |
| 6190031 | Machine for continuous processing of flowable materials having a housing jacket divided into long and short segments A machine for continuous processing of flowable materials has a plurality of axis-parallel shafts in a space in a housing along a circle. Each shaft includes shaft bearing processing elements which tightly intermesh adjacent shafts. Between a material inl... | 02/20/2001 |
| 6168306 | Adapter member for connecting extruders A process and apparatus for processing polyvinylacetate and other similar ingredients of a gum base or chewing gum product are disclosed. The ingredient materials are separated into individual pieces by a lump breaker and conveyed through a pneumatic conv... | 01/02/2001 |
| 5980098 | Extrusion system and process for minimizing color change times in extrusion of thermoplastics An extrusion system includes a main extruder and a secondary injection extruder. Both extruders are connected via a three-way valve. The main extruder has a mixing section downstream of the junction point with the secondary injection extruder. An accelera... | 11/09/1999 |
| 5800055 | Temperature control system and kneading-mixing extrusion apparatus having the temperature control system Disclosed is a temperature control system and a kneading-mixing extruder apparatus implementing the temperature control system. The temperature control system includes a flow passage formed in a stationary disc having a plurality of holes provided in a kn... | 09/01/1998 |
| 5653534 | Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus A screw apparatus comprises a melting extruder for melting a resin; a screw unit for kneading molten resin and reinforcing fibers to obtain a reinforcing fiber-containing molten resin and supplying it; and a mixer in which at least a part of the reinforci... | 08/05/1997 |
| 5639159 | Apparatus for mixing, kneading and extruding material An apparatus for mixing and kneading raw materials, such as soap, and extruding the mixture into a predetermined shape. The apparatus includes a cylinder having a rotatable plodder worm shaft, a levigating mechanism disposed at a longitudinal position of ... | 06/17/1997 |
| 5577839 | Device for charging injection molding and extruding machines and having a funnel provided with pins passing through clearances in a feed worm The problem of insufficient friction along the wall of a rotating funnel feeding viscous material to an extruder or injection molding machine so that the material sweeps past the conveying screw and prevents the conveying screw from continuously feeding t... | 11/26/1996 |
| 5332308 | Process and apparatus for production of plastics containing additives A process and apparatus for the production of plastic material containing an additive in which the plastic material is supplied into a mixing tank to undergo vigorous mixing therein and the mixed plastic material is discharged by an extrusion screw at the... | 07/26/1994 |
| 5324107 | Control method, monitoring method, and control device for kneader An object of the present invention is to provide a control method for a kneader suitable for controlling the kneader so as to uniformly disperse a compounding agent in a high-molecular material, enabling energy saving. In controlling the kneader for charg... | 06/28/1994 |
| 5297865 | Method and apparatus for the mixing of mixing material with thermoplastic material A plastics processing machine is associated with an internal mixer. Thermoplastic material is separately melted in the plastics processing machine and injected into the mixing chamber of the internal mixer, where it is mixed with fillers, caoutchouc or th... | 03/29/1994 |
| 5286121 | Automatic device for making flour strap An automatic device for making a flour strap comprises a mixing container communicating respectively with a flour container, a liquid container and a rolling container. The flour contained in the flour container and the liquid contained in the liquid cont... | 02/15/1994 |
| 5261743 | Apparatus and methods for feeding a substantially uniform quantity of a mixture of materials having variable individual densities Apparatus and methods for mixing plastic materials having different densities to supply a substantially uniform quantity of the mixture of such materials to an extruder or other processing machine. The mixture of materials is fed forcibly from the mixer t... | 11/16/1993 |
| 5259749 | Apparatus for feeding synthetic resin material to injection molding and extruder units A highly viscous or dough-like material, especially glass fiber-filled polyester, polyamide or polypropylene is fed from a rotating funnel via a feed worm lying along a generatrix of the funnel directly into an extruder or an injection molding cylinder an... | 11/09/1993 |
| 4937034 | Apparatus and method for cofeeding additives with polymer flake A method and apparatus for cofeeding additive concentrates in the form of pellets with a polymer flake stream flowing in a supply chute to a melt extruder. The pellets are introduced through an opening in the chute which is covered by an umbrella-like hou... | 06/26/1990 |
| 4907891 | Feed device for a continuous feed mixer A feed device (11) for a continuous mixer (12) for rubber and plastics materials. The feed device comprises a hopper (14) having a reciprocable plunger (16) located in the hopper to force material into the inlet passageway (15) of the continuous mixer. Th... | 03/13/1990 |
| 4640622 | Dispersion of dry polymers into water A method and apparatus for rapidly dispersing particles of dry, water soluble polymer into water wherein air, water and said polymer particles are introduced to a chamber for thorough contact of the polymer with the water to form a mixture of aqueous poly... | 02/03/1987 |
| 4632564 | Apparatus for removing moisture and volatiles from molding particulate plastic material feed A method and apparatus for removing hot volatiles and moisture from particulate plastic material being fed for injection or extrusion molding by a plasticizing screw which rotates in a heated barrel. Flow control means, such as a conveying screw or rotary... | 12/30/1986 |
| 4616989 | Apparatus for the incorporation of glass fibers into thermoplastic synthetic resins An improved process for incorporating glass fibers into a thermoplastic synthetic resin wherein the glass fibers are continuously mixed with a molten thermoplastic synthetic resin and the resulting mixture is shaped into a desired article, involves prehea... | 10/14/1986 |
| 4577971 | Blending rubber for retreading Blending reclaimed rubber buffing dust with tread rubber for tire retreading includes feeding buffing dust from a container through a discharge pipe into a hopper which receives the tread rubber horizontally in a ribbon form. An auger from the discharge p... | 03/25/1986 |
| 4460277 | Apparatus for processing synthetic thermoplastic material Apparatus for processing synthetic thermoplastic material comprises a receiver having a vertical axis, a disintegrating and mixing tool which is disposed in the receiver near the bottom thereof and rotatable about the axis of the receiver, and at least on... | 07/17/1984 |
| 4448537 | Screw-type hydro-extracting extruder A screw-type hydro-extracting extruder comprising a raw material supply zone, a hydro-extracting zone and a heat-melting zone, said hydro-extracting zone is comprised of a plurality of doughnut-shaped plates and a slit is formed between every two adjacent... | 05/15/1984 |
| 4426018 | Method and apparatus for recycling scrap A plastic metering machine or assembly mounted on a plastic extruder, feeds plastic aggregate material of two different bulk densities simultaneously into the barrel of an extruder. The assembly has a housing which is divided into two compartments or hopp... | 01/17/1984 |
| 4413913 | Method for processing plastic and polymeric materials Novel and improved methods and apparatus for processing liquid or viscous materials. Essentially, the methods and apparatus involve feeding liquid materials to an annular processing passage for controlled processing. The annular processing passage is prov... | 11/08/1983 |
