U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 264/142 - By cutting at point of extrusion


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes where a knife engaging the extrusion die face
No. of patents: 273
Last issue date: 12/20/2011


1              
NumberTitleIssue Date
8080196Method and apparatus to achieve crystallization of polymers utilizing multiple processing systems
A continuous process wherein polymers or polymeric materials can be subjected to multiple sequential processing systems of differing temperatures and process conditions to synergistically enhance the pelletization and crystallization of those polymers and polymeric ...
12/20/2011
7993557Method for the production of polyester granulates from highly viscous polyester melts and also device for the production of the polyester granulates
The invention relates to a method and device for the direct production of polyester granulate from a highly viscous polyester melt with a polymerization degree of 132 to 165, as well as the granulates formed thereform. In the method, the highly viscous polyester mel...
08/09/2011
7846360Process for the production of granules of expandable thermoplastic polymers
Process for the production of granules of expandable thermoplastic polymers by means of extrusion, which comprises: i) melting the polymer in a single- or multi-screw extruder (2); ii) incorporating an expanding agent in the polymer in the molten state; iii) ...
12/07/2010
7815828Influence of each of the parameters on the foamed product strength
A method for manufacturing thermoplastic resin expandable granules comprising the steps of: injecting a blowing agent under pressure into a thermoplastic resin which is melted in an extruder; extruding the melted resin containing the blowing agent as an extrudate fr...
10/19/2010
7776244Method for producing expandable polystyrene
A process for the preparation of expandable styrene polymers having a molecular weight Mw of greater than 170,000 g/mol, which comprises conveying a blowing agent-containing styrene polymer melt having a temperature of at least 120° C. through a die plat...
08/17/2010
7658874Polymer pelletization process and apparatus
An improved process for the pelletization of polymers is disclosed, using a die in which the die holes incorporate a reverse taper along at least a portion of the length thereof. Conditions for operation of an under melt cutter incorporating this die are also disclo...
02/09/2010
7393484Flow guide for underwater pelletizer
A water flow guide stationarily mounted in the water box of an underwater pelletizer to selectively direct the pressurized water flowing through the water box in order to more efficiently cool and rigidify the extruded polymer strands and enable the rotary cutter bl...
07/01/2008
7341142Elastomer composite materials in low density forms and methods
A bale of elastomer composite is formed of elastomer and filler, the bale having a void volume of at least 3%. In another aspect, a container is provided, at least a portion of the container being occupied by elastomer composite pieces of elastomer and filler, where...
03/11/2008
7320585Device for the hot granulation of thermoplastic polymers
Device for the hot granulation of thermoplastic polymers, optionally expandable, which comprises: a) a die (1) containing a series of small plates (6), equipped with a series of extrusion holes, and a plurality of feeding ducts (3) situated insi...
01/22/2008
7311514Die plate
In a die plate having a hardened surface for sliding a knife, a plurality of WC alloy plates 1b are diffusion-bonded to a base metal 2b, whereby the hardened surface h is formed. A plurality of nozzle holes 4a, 4a ...
12/25/2007
7303709Compression molding process
A molded article is produced by a method of compression molding employing a specially shaped billet of thermoplastic material which is positioned at a predetermined location in a predetermined orientation with respect to the mold cavity surfaces of a mold part. In a...
12/04/2007
7296985Device for granulating thermoplastic materials
The invention relates to a device for granulating thermoplastic materials with a die plate and a rotary cutter head, said rotary cutter head carrying cutter knives and being positioned in front of said die plate in a water chamber, said rotary cutter head being cent...
11/20/2007
7294299Granulating die, granulation device and method of manufacturing expandable thermoplastic resin granules
A granulating die B is provided with a resin discharge surface 5a to which a flow of water is contacted; and a plurality of nozzles 8 which communicate to a cylinder of an extruder are provided in this resin discharge surface 5a. U...
11/13/2007
7267788Cavity-creating tool for foaming operation
A tool creates a fastener-receiving cavity within a foam-filled structure that includes a panel with a slot for receiving the fastener and foam backing that is cast in place against on the underside of the panel. The tool includes a clip and a plunger. The clip is i...
09/11/2007
7250486Method and apparatus for crystallizing polymer particles
The present invention is a process and apparatus for conserving loss of heat while forming and crystallizing polymer particles in a liquid. The cooling liquid quenches the polymer during particle molding to facilitate shaping. The cooling liquid cools the polymer pa...
07/31/2007
7250127Pelletized organopolysiloxane material
The invention relates to a pelletized organopolysiloxane material, to a process for producing the pelletized material, and to the use of the pelletized organopolysiloxane material as an additive for thermoplastics. ...
07/31/2007
7226553Polymer underwater pelletizer apparatus and process incorporating same
Underwater melt pelletizer dies which have a highly thermally conductive pathway from their heating source to the vicinity of the polymer exit end of their die holes and have a thermally insulating material at that end of their die holes have improved operability an...
06/05/2007
7207794Pouch production apparatus and method
A pouch production apparatus includes a pouch forming apparatus operable to form pouches from an elongate web of material and zipper tape and an extrusion apparatus responsive to operation of the pouch forming apparatus and operable to extrude zipper tape. A pneumat...
04/24/2007
7198840Profile-extruded poly(vinyl chloride) articles and method of making same
A profile-extruded article is disclosed, made of a fiber-reinforced polymer of vinyl-chloride monomer, wherein the article has a ratio of actual specific gravity to theoretical specific gravity of nearly unity. A method of making the article is also disclosed. ...
04/03/2007
7186457Cellulosic composite component
A component such as a siding panel comprised of a PVC/wood flour composite. Another embodiment is a component such as a siding panel that is made from a PVC/CPE/wood flour composite. The cellulosic composite may be extruded through a die and then bent into the shape...
03/06/2007
7181993Apparatus and process for cutting of extruded material
A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, ...
02/27/2007
7121181Apparatus and process for cutting extruded material
A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, ...
10/17/2006
7037979Thermoplastic polyolefin compositions and methods of preparing thermoplastic polyolefin compositions for soft sheet applications
Thermoplastic polyolefin compositions and a process for preparing the same are provided comprising a blend of polypropylene, and styrenic elastomer. The compositions may further comprise ethylene copolymer elastomer, polymer additive, such as polymer surface modifie...
05/02/2006
7017352Cooling of extruded and compression molded materials
The present invention relates to a system and a method for cooling extruded and molded materials. The present invention is especially useful to thoroughly cool an extrudate by directing a cooling fluid toward a surface of the extrudate (e.g., an interior surface tha...
03/28/2006
7007559Method and device for setting the pre-tension of blades of a granulating device
A method of setting pre-stressing, by which blades (11) of a granulating head carried by a shaft (12) which is driven by a motor (21) and which is displaceable in the axial direction of a granulating device abut against the perforated plate (...
03/07/2006
6971211Cellulosic/polymer composite material
The present invention is a component such as a siding panel that may be comprised of various formulations of cellulosic/polymer composite materials. One embodiment of the present invention is a siding panel that is comprised of a cellulosic/PVC composite material. T...
12/06/2005
6958185Multilayer synthetic wood component
A multilayer synthetic wood component comprised of a layer of a first synthetic wood composition that is secured to a layer of a second synthetic wood composition. As a result, the present invention may provide a component that utilizes the beneficial characteristic...
10/25/2005
6955780Multi-wall cylindrical structure, method of making such structure, and apparatus for carrying out such method
An elongated composite tube made up of an inner tube 42 and an outer tube 44 (see FIG. 3) with a plurality of elongated helical ribs disposed between the inner tube and the outer tube in a supporting relationship to both. A slinky like toy made ...
10/18/2005
6896752Method for producing compacted free-flowing raw materials for varnish
A process for producing compacted free-flowing nitrocellulose based lacquer raw materials is described. The process involves pressing a nitrocellulose based lacquer feed material, which is moistened with alcohol or water, through the holes of a die. The pressing ste...
05/24/2005
6805822Method for producing thermoplastic elastomer powder
A method for producing powder of a thermoplastic elastomer having a sphere-reduced average particle diameter of 700 μm or less by an under water cut method which comprises discharging the thermoplastic elastomer in melt state through a plurality of orifice in a dic...
10/19/2004
6706773Process for preparing a foam component
The present invention relates to a process for preparing a foam component, said process comprises the steps of extruding a viscous mixture from a rotating extrusion plate onto a receiving surface. Said process provides a convenient, efficient, simple means of prepar...
03/16/2004
6699416Impact modifier material and method and apparatus for the production thereof
A method for processing an impact modifier material having a core and shell molecular structure comprises working the impact modifier material in a mild extruder to a state such that at least a portion of the shells of the impact modifier material fuse to...
03/02/2004
6632525Material and method for manufacturing plastic parts
A plastic particle is formed of a plastic material having at least one integral protruding ring disposed on its outer surface. The ring may be continuous or intermittent around a perimeter of the plastic particle. Preferably, the particles have an outer d...
10/14/2003
6620353Method for molding reinforced thermoplastic parts
A method is disclosed for molding a part. The method includes steps of heating molding materials in a plasticator at a predetermined temperature; mixing the molding materials to create a molten suspension wherein a majority of the reinforcing fibers remai...
09/16/2003
6613833Method for producing aqueous ethylene-vinyl alcohol copolymer composition
A method for producing an aqueous ethylene-vinyl alcohol copolymer (EVOH) composition that ensures efficient removal of alcohol not worsening the environment in and around working areas, and which provides EVOH pellets of the aqueous composition, which ca...
09/02/2003
6547549Pelletizing die for a pelletizer
A pelletizing die for a pelletizer comprises a base body with holes for melt to pass through; the holes are disposed in rows. Allocated to the holes are wearing-protection inserts, having holes which are in alignment with the holes in the base body. The i...
04/15/2003
6491853Storage-stable plastics additives
The present application relates to storage-stable plastics additives which are prepared by cooling a mixture of 99.9 to 10% by weight of molten additive material and 0.1 to 90% by weight of crystalline additive material after a shaping process. The shapin...
12/10/2002
6441086Silicone rubber
The invention relates to compositions which can be prepared from at least one polyorganosiloxane, boric acid and water, and which may serve as a pelletizing additive for crosslinkable silicone rubber formulations. A small proportion of the pelletizing add...
08/27/2002
6410141Material and process for manufacturing plastic parts
Spherical particles having a diameter between 0.007" and 0.040" are formed from melt extruded thermo-plastic material suitable for casting on a heated mold surface and melting thereon to form a thin layer of material having a nominal thickness of 0.040" t...
06/25/2002
6399188Sintered porous plastic material
Porous products of thermoplastic polymers and the like are formed by sintering pellets, especially micropellets and/or pellets made by rapid water quenched pelletizing of the polymers, such as by underwater pelletizing or water ring pelletizing. The pelle...
06/04/2002
1              
 
Sign InRegister
Username  
Password   
forgot password?