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

Icon_funbox Celebrity Inventors

Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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 425/463 - Plural distinct shaping orifices


Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus under subclasses 462 comprising multiple shape
No. of patents: 258
Last issue date: 07/22/2008


1              
NumberTitleIssue Date
7402034Center heated die plate for underwater pelletizer
A center heated die plate for an underwater pelletizer radiates heat outwardly to the extrusion orifices and die faces of the die plate thereby maintaining the die plate and extrusion orifices at an elevated temperature to obtain optimum flow of molten polymer throu...
07/22/2008
7393195Hollow-fiber spinning nozzle
A hollow fiber spinning nozzle in which supply bores and a nozzle structure connected to these and having a mass discharge opening and a needle with a coagulation agent bore are formed in a base body. At least two plate-shaped bodies structured by means of micro-str...
07/01/2008
7384259Mechanism for adjusting a valve for regulating the flow of plastic to an extrusion die
A manifold is connected between an extruder and the associated die assembly to supply plastic flow to the die. The output from the extruder is split into multiple passages in which each manifold passage supplies plastic flow to an extrusion passage within the die as...
06/10/2008
7367792Arrangement with an extrusion die of an extruder
The invention relates to an arrangement with an extrusion die (1) of an extruder for granulating plastic material with several pass-through openings (4) for allowing the passage of plastic melt, and a granulating die plate (2) with holes (3
05/06/2008
7335848Process for production of die usable for formation of honeycomb structure
A process for producing a die for forming a honeycomb structure having slits having hexagonal honeycomb cell shape 5 at one of surfaces 7 of a plate-like base material for die 2, and backside holes 4 each communicating with respective sli...
02/26/2008
7316557Die for extruding material
A die assembly and a process for using the die assembly is disclosed. The die plate is made of a material that is somewhat resistant to cracking when subjected to pressure of an extrudate material from behind the die assembly. A series of recesses are arranged about...
01/08/2008
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
7294304Die for forming honeycomb structure and method of manufacturing honeycomb structure
There is disclosed a die for forming a honeycomb structure and a method of manufacturing the honeycomb structure by use of the die, in which variations of cell pitches are suppressed in a central portion and the vicinity of an outer periphery after drying and firing...
11/13/2007
7291003Micromachined spinneret
A micromachined spinneret is disclosed which has one or more orifices through which a fiber-forming material can be extruded to form a fiber. Each orifice is surrounded by a concentric annular orifice which allows the fiber to be temporarily or permanently coated wi...
11/06/2007
7264457Flow distributor for die tooling of pipe mold equipment with remote extruder
Equipment (1) used in the molding or plastic pipe includes die tooling (3) provided with a plastic flow distributor (25) at the upper end of the die tooling. The plastic flow distributor has adjustable flow to provide an even distribution of pla...
09/04/2007
7198400Static mixer and a method of manufacture thereof
A static mixer comprising a mixer body with a first and a second array of intermeshed and interconnecting passageways formed therein that connect, and provide a convoluted flow path between, flow faces at ends of the mixer body. The first and second arrays of passag...
04/03/2007
7192550Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
A device and method for spinning polymer fibers utilizes one or more independent sources of polymer materials, pumps for feeding polymer material from each of the sources, and a series of distribution plates with surface grooves, through holes and/or slots together ...
03/20/2007
7175407Linear flow equalizer for uniform polymer distribution in a spin pack of a meltspinning apparatus
A linear flow equalizer for distributing thermoplastic material to a spin pack of a meltspinning apparatus that provides for uniform apportionment of a flow of a flowable thermoplastic material at least vertically and in a cross-machine direction of the spin pack. T...
02/13/2007
7168932Apparatus for nonwoven fibrous web
Disclosed is an apparatus for producing nonwoven fibrous webs. The apparatus comprises an extrusion die, first and second fluid supplies in cooperation with the die, first and second extrusion capillaries, first counterbores allowing fluid communication between firs...
01/30/2007
7162787Method for constructing a honeycomb extrusion die
A honeycomb extrusion die includes an inlet face having a plurality of feed channels, and a discharge face having an array of intersecting honeycomb discharge slots. The extrusion die also includes a bonded array of pin elements each exposed on the discharge face of...
01/16/2007
7156635Multi-layer food product system and process
A system produces a multi-layer product by forming as many different ingredients as is required for the final product in steps that can be separate from each other and then combining these ingredients in an extrusion die that is formed to flow the separate ingredien...
01/02/2007
7150616Die for producing meltblown multicomponent fibers and meltblown nonwoven fabrics
A die tip adapted for extruding a plurality of meltblown multicomponent filaments that includes at least two series of conduits that extend and converge in to the interior of the die tip to convey a multicomponent thermoplastic structure in to the interior of the di...
12/19/2006
7147449Device for the production of an extruded profile
A food product comprising a sugar wafer preferably cone-shaped having a filling of a substantially water-free fat-based confectionery material and a process for preparing it which comprises filling the sugar wafer with the substantially water-free fat-based confecti...
12/12/2006
7134861Extrusion nozzle
An extrusion nozzle including an outlet port having a single opening with a first region, second region, and a pinched region between the two. The pinched region reduces the dimensions of the extrudate in relation to the dimensions associated with the first and seco...
11/14/2006
7131372Miniature fluid dispensing end-effector for geometrically constrained areas
An end-effector precisely marks location lines (or dispense fluids) on surfaces as part of an automated part marking system. The automated part marking system that includes a multi-axis gantry robot, a calibration stand, vision or location system(s), and a series of...
11/07/2006
7074027Extrusion die and method for forming dual wall corrugated plastic pipe and dual wall plastic pipe having a foam annular core
Extrusion dies for forming dual wall corrugated plastic pipe and dual wall plastic pipe having a foam annular core that provides homogenous melt flow to each axially displaced orifice by means of an individual concentric spiral mandrel are disclosed. Spiral mandrels...
07/11/2006
7033153Lamellar meltblowing die apparatus and method
A lamellar die apparatus for extruding a heated liquid into filaments and directing air at the filaments. The apparatus includes a plurality of plates each having opposite side faces. At least two of the side faces confront each other and have a liquid passage posit...
04/25/2006
7001555Apparatus for producing multi-component liquid filaments
A melt spinning apparatus including a spinpack with a die tip block having a recess with a converging portion, such as an angled trough, which terminates in a row of filament discharge outlets. The recess selectively receives a configuration insert, such as a side-b...
02/21/2006
6976834Pelletizing die with even heat distribution and with polymer channel to orifice transition zone, process for orifice thermal stabilization and process for forming a pelletizing die with brazing and thin hard face layer
A pelletizing die includes a pelletizing die member with a die exit side exposed to cooling fluid and a die entry side for receiving polymer fed thereto. The die member has a plurality of polymer channels and a plurality of extrusion orifices connected to a respecti...
12/20/2005
6932591Apparatus and method for co-extruding multi color plastics
The present invention is the apparatus and method for producing a plastic sheet having a pattern produced in a layer therein. The plastic sheet is a single layer sheet or a multi-layer sheet. The pattern is produced by mixing two or more plastic extrudants together ...
08/23/2005
6890167Meltblowing apparatus
A meltblowing apparatus for dispensing an adhesive through a plurality of first orifices of a die assembly fabricated from a plurality of laminated members to form a plurality of adhesive flows at a first velocity and dispensing air through a plurality of second ori...
05/10/2005
6881049Process for producing polybutadiene golf ball cores
An improved process for producing polybutadiene golf ball cores is disclosed. The golf ball cores are from polybutadiene rubber compositions having a high Mooney viscosity and/or a high molecular weight and a low dispersity is disclosed. The apparatus includes an in...
04/19/2005
6866494Device for producing a two-part tire layer
In a road vehicle tire, a two-part layer (2) of elastomeric material is preassembled by co-extruding a first and a second strip (19, 16) through a preforming plate die (26), through which extends at least one pair (27) of tapered flow cha...
03/15/2005
6858168Apparatus and method for forming materials
An apparatus and method for forming liquid spinning solution into a solid formed product whereby the solution is passed through at least one tubular passage (17) having walls formed at least partly of semipermeable and/or porous material. The semipermeable an...
02/22/2005
6833104Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
A device and method for spinning polymer fibers utilizes one or more independent sources of polymer materials, pumps for feeding polymer material from each of the sources, and a series of distribution plates with surface grooves, through holes and/or slots together ...
12/21/2004
6824733Meltblowing apparatus employing planetary gear metering pump
Melt blown nonwoven webs are formed by supplying fiber-forming material to a planetary gear metering pump having a plurality of outlets, flowing fiber-forming material from the pump outlets through a plurality of inlets in one or more die cavities, and meltblowing t...
11/30/2004
6814555Apparatus and method for extruding single-component liquid strands into multi-component filaments
A melt spinning apparatus includes fiber producing features to produce multi-component filaments by extruding two or more single-component strands that combine after extrusion and are then attenuated by process air. The two or more liquid materials do not contact on...
11/09/2004
6814562Apparatus for molding a honeycomb structure
A honeycomb structure molding apparatus being free from defects in cells and having a higher strength with thin partition walls forming the cells and having a small cell density; and the apparatus having a plate-like spinneret provided with back pores for introducin...
11/09/2004
6799960Spinnerette assembly for forming hollow fibers
The invention provides a spinnerette assembly for forming hollow fibers. The spinnerette assembly contains an extrusion orifice and a fiber-forming material passage in communication with the extrusion orifice. A hollow needle extends through the extrusion orifice in...
10/05/2004
6790392Application of a vaporous mist for spining systems with rectangular nozzles
A method and apparatus for the steam misting of rectangular nozzles and spinning systems equipped therewith for producing polyamide filaments whereby the steam feed is conducted through a tube loop which is passed through the heating chamber of the spinning beam so ...
09/14/2004
6773255Plastic composites made from incompatible plastics
Multilayer plastic composites containing at least two incompatible plastics, A and B, in which the layering sequence alternates between A and B, the layers of plastic B are discontinued at regular intervals, and the resulting gaps in the layers are filled in with pl...
08/10/2004
6746226Spinnerette assembly for forming multicomponent hollow fibers
The invention provides a spinnerette assembly for forming multicomponenthollow fibers of the sheath/core type. The spinnerette assembly contains an extrusion orifice and a core forming material passage in communication with the extrusion orifice. A hollow needle ext...
06/08/2004
6737009Process and system for producing multicomponent spunbonded nonwoven fabrics
A system and process for producing spunbond nonwoven fabric in which two or more polymeric components are separately melted and are separately directed through a distribution plate configured so that the separate molten polymer components combine at a multiplicity o...
05/18/2004
6733268Dividing apparatus
In a dividing apparatus A in which dough brought in through a hopper is extruded from an extruder 8 by a screw 71, dough is divided by cutting it into pieces of set length. The dividing apparatus A comprises a support plate provided for installation th...
05/11/2004
6696132Honeycomb with varying channel size and die for manufacturing
A honeycomb structure which includes an inlet end and an outlet end opposing each other and a plurality of cell channels extending along an axis from the inlet end to the outlet end, the cell channels having non-equal, square cross-sections, and an extrus...
02/24/2004
1              
 
Sign InRegister
Username  
Password   
forgot password?