| Patent Number |
Title Of Patent |
Date Issued |
| 7445443 |
Turning bar draw-off device for a tubular film extrusion installation |
November 4, 2008 |
| A turning bar draw-off device for a tubular film extrusion installation, with a plurality of turning bars which can be rotatingly driven around a common axis of rotation or in reverse by rotary drive mechanisms. For the rotating or reversing guidance of the turning bars around the axis o |
| 7384254 |
Coextrusion adapter |
June 10, 2008 |
| A coextrusion adapter for an extrusion installation with extruders and a tool for producing a composite coextrusion structure of thermoplastic material. The coextrusion adapter has a central conduit with an end at an inlet side for connecting an extruder and an end at an outlet side for |
| 7179412 |
Method and apparatus for producing polymer fibers and fabrics including multiple polymer compone |
February 20, 2007 |
| A closed fiber spinning system includes a spin beam assembly including a plurality of polymer distribution manifolds to independently deliver different polymer component fluid streams to a spin pack and independently maintain those fluid streams at different temperatures. The spin be |
| 7168473 |
Apparatus for making a nonwoven synthetic-resin web or fleece |
January 30, 2007 |
| A web or fleece of synthetic resin strand collected on a sieve belt is discharged from the sieve belt into further processing equipment over a rerouting roller at the discharge end of the sieve belt. The rerouting roller is perforated and air or another fluid medium is passed through |
| 7160091 |
Device for the production of multicomponent fibers or filaments, in particular bicomponent fiber |
January 9, 2007 |
| Device for the production of multicomponent fibers or of filaments, in particular bicomponent fibers, whereby a nozzle block assembly is provided. The assembly consists of a middle nozzle block and two outer nozzle blocks. Arranged in the nozzle block assembly are at least two inflow |
| 7156639 |
Device for producing filaments |
January 2, 2007 |
| A device for producing filaments, in particular, from a thermoplastic polymer, wherein the filaments emerge from the spinneret openings of a spinneret plate. A distribution device is provided for distributing the molten polymer being supplied over a preliminary spinning width. At least |
| 7114942 |
Apparatus for producing synthetic resin film |
October 3, 2006 |
| A calibrating basket for a film blowing tube is provided with roller bearings to prevent stripe formation on the film and pinching of the film between the rollers. |
| 7093785 |
Transverse cutting device for a web of material and winding device for the web of material |
August 22, 2006 |
| A transverse cutting device for a continuously fed-in web of material which is wound onto sequentially positioned winding tubes, wherein the transverse cutting device includes a cutter block which can be displaced transversely with respect to the web of material and can be driven by a |
| 7070403 |
Device for producing fibers from a thermoplastic synthetic resin |
July 4, 2006 |
| A nozzle for producing filaments or fibers of thermoplastic synthetic resin has at the nozzle end one or more bores, preferably opening at a flat surface and receiving respective inserts or shaped bodies which are formfitting in the bores and have along their peripheries respective n |
| 7036763 |
Winding apparatus and method for performing a change of winding tube in a winding apparatus |
May 2, 2006 |
| A method and apparatus for winding a continuously delivered film web onto successively delivered winding tubes with a rotatably drivable contact roller, a winding station, associated with the contact roller, for the winding tube for winding the coil, a winding preparation station for |
| 7025303 |
Turning bar for contactless guidance of a tubular film |
April 11, 2006 |
| A turning bar for contactless guidance of a tubular film web moved at a loop angle around the turning bar, including a support tube with a hollow interior, which can be connected with a compressed air source. The support tube has a plurality of air outlet openings which communicate w |
| 7018187 |
Apparatus for smoothing and cooling a synthetic resin web produced by a slit nozzle |
March 28, 2006 |
| An apparatus for smoothing and cooling of slit nozzle synthetic web passes the web following the smoothing gap between two rollers along a cooled surface and into contact with cold air introduced by cold air chamber open toward the roller surface. |
| 7004738 |
Apparatus for producing melt-blown webs |
February 28, 2006 |
| An apparatus for producing a melt blown web in which the collecting screen upon which the filaments are deposited passes over a plurality of suction regions or areas which have respective suction blowers and controls for the suction force and air throughput. |
| 6997694 |
Extruder |
February 14, 2006 |
| An extruder drive has a housing, at least two extrusion worms each having a drive shaft extending into the housing, and at least one drive motor including at least one cylindrical stator fixed in the housing and a cylindrical rotor cooperating with the stator so as to be rotatably dr |
| 6991758 |
Method of making a web having good breathing properties |
January 31, 2006 |
| A method and a device for production of a web with good breathing properties, for example having a nonwoven web based on plastic filaments and/or plastic fibers and a plastic film, applied on one side of the nonwoven web and containing at least one mineral filler. For the production |
| 6954983 |
Method for producing flat cables |
October 18, 2005 |
| A method for continuously producing flat cables with electric conductors embedded in an isolating material which are arranged at a certain distance from each other, parallel to each other. According to this invention, the band shaped conductors are guided separately in a plane forming tw |
| 6932590 |
Apparatus for the continuous production of spun-bond web |
August 23, 2005 |
| An apparatus for producing spun-bond webs has, beneath the receiving belt, a suction unit having at least two suction zones including a primary suction zone and at least one other suction zone, the primary suction zone receiving most of the filaments from an aerodynamic stretching unit b |
| 6918750 |
Arrangement for the continuous production of a filament nonwoven fibrous web |
July 19, 2005 |
| A spun-bond web-making apparatus has the cooling passage below the spinneret provided with a plurality of air chamber sections which are supplied with air at different temperatures, the cooling passage being connected to the drawing unit for aerodynamic stretching of the filaments wi |
| 6908292 |
Apparatus for producing a nonwoven web |
June 21, 2005 |
| In the production of a spunbond web by aerodynamically stretching thermoplastic filaments from a spinneret, the stretching nozzle is formed by two nozzle-forming units each of which has a temperature control device, especially a heater, to minimize deformation at the stretching nozzl |
| 6781271 |
Smoothing apparatus with drive motor directly coupled to the smoothing roll |
August 24, 2004 |
| A smoothing roll for an apparatus for smoothing plastic foils and plates is driven directly by a rotor coaxially received with a stator in an outer housing with the rotor supported by a bearing on the outer housing or on a part of the housing extending coaxially into the rotor. The vibra |
| 6752348 |
Winding device, and method for performing a winding shaft change in a winding device |
June 22, 2004 |
| A method and a device for winding a continuously arriving foil web into a coil on a winding shaft, having a rotatably driveable contact roller, a winding station assigned to the contact roller for the winding shaft for winding the coil, a take-up station for receiving a fresh winding sha |
| 6666998 |
Method and device for producing at least partially open-celled foam films from styrene polymers |
December 23, 2003 |
| A method for producing an at least partially open-celled foam foil on a basis of styrene polymers, nucleating agents, surfactants, physical foaming agents and, if required, further additives, such as foreign polymers and auxiliary materials, comprising a twin-screw extruder with iden |
| 6632009 |
Coaxial extruder drive |
October 14, 2003 |
| An extruder has a housing and a screw rotatable in the extruder housing about an axis. A drive has a drive housing fixed to the extruder housing, an extension fixed directly to the screw and extending along the axis into the drive housing, and a sleeve-shaped rotor centered on the axis i |
| 6612829 |
Extrusion die |
September 2, 2003 |
| An extrusion die having a first die element and a second die element, each of which has a die lip, between which an extrusion gap with a slot-shaped outlet opening extends over a width of the extrusion die. At least one die element has an adjusting device by which the die lip can be adju |
| 6402492 |
Apparatus for producing spun bond |
June 11, 2002 |
| An apparatus for producing a spun-bond web with a spinneret located above the upper pass of an endless collecting sieve belt below which a suction is generated through an elongated slot extending the full width of that upper pass. Swingable flaps are provided along longitudinal edges of |
| 6338453 |
Winding device having a winding shaft and additional bearings |
January 15, 2002 |
| A winding device, having a winding shaft, which can be inserted into and removed from the winding device, and a winding element and bearing journals protruding from both ends in the direction of the center axis of the winding shaft. The winding device has two outer bearings for receiving |
| 6120276 |
Apparatus for spinning core filaments |
September 19, 2000 |
| Core filaments for the formation of a fleece are formed in a spinneret assembly which has a wide slit extrusion die provided with two outlet slits for different thermoplastic synthetic resins. Below the die, a distribution plate has two sets of feed bores which deliver synthetic resi |
| 6066369 |
Method of and apparatus for producing a composite web |
May 23, 2000 |
| Thin thermoplastic foil is applied with the aid of a wide slit nozzle and an electrostatic discharge electrode to a nonwoven mat of thermoplastic fibers and filaments on a bonding roller and the resulting composite is then subjected to biaxial stretching utilizing at least some of the |
| 6016988 |
Method of and apparatus for the winding up of webs, especially synthetic resin foil webs |
January 25, 2000 |
| Instead of long stroke piston and cylinder arrangements for actuating the counterroller of a foil-winding system, a rotary field servomotor can form a drive unit for the counterroller and can be angularly displaceable with the angular displacement being controlled by a pneumatic piston w |
| 5913997 |
Process for thermomechanically treating a fleece web made of thermoplastic synthetic resin and a |
June 22, 1999 |
| A process for the thermomechanical treatment of a fleece web which is comprised of filaments and/or fibers of a thermoplastic synthetic resin in a continuous process. The fleece web is moved during the thermal treatment continuously and with uniform speed. The fleece web passes initially |
| 5891480 |
Apparatus for the continuous production of biaxially-stretched blown plastic foil |
April 6, 1999 |
| A foil-blowing apparatus and start-up method utilizes switchable roller pairs and a seal in an upstream primary tube stretch to subdivide the interior of the primary tube into an upper chamber and a lower chamber, the lower chamber being in communication with a rising stretch of the |
| 5820888 |
Apparatus for producing a spun-bond web from synthetic resin filaments |
October 13, 1998 |
| A spun-bond apparatus has at the lower edge of the diffuser below the filaments stretching shaft, cooler and spinneret, partitions which run from the lower edge of the diffuser to upper rollers and pressing roller pairs upstream and downstream of the diffuser along the perforated col |
| 5814349 |
Apparatus for the continuous production of a spun-bond web |
September 29, 1998 |
| An apparatus for the continuous production of spun-bond web separates the in-lowing process air section including the aerodynamic drawing shaft at which the thermoplastic filaments form a spinneret are drawn, from the depositing section in which the filaments are passed through a diffuso |
| 5800840 |
Apparatus for producing a spun-bond web from thermosplastic endless filaments |
September 1, 1998 |
| An apparatus for producing spun-bond fleece has the process shaft connected to a source of process air and opening into a depositions shaft centrally thereof and flanked by streams of air bypassing the process shaft. The result is a random jumbling of the fibers as they deposit on the mo |
| 5766646 |
Apparatus for making a fleece from continuous thermoplastic filaments |
June 16, 1998 |
| A fleece-making apparatus has a vertically extending and horizontally elongated process shaft having upper and lower ends, a nozzle head at the upper shaft end for emitting a multiplicity of continuous thermoplastic strands that descend in the shaft as a curtain, and a foraminous conveyo |
| 5730821 |
Process for producing a web of thermoplastic polymer filaments |
March 24, 1998 |
| A process for producing a web fleece of thermoplastic polymer filaments. Filaments of thermoplastic polymer are spun from a spinneret to form a curtain passing through a cooling chamber and a stretching channel. The volume rate of flow of the thermoplastic polymer from the spinneret, the |
| 5702730 |
Apparatus for making a continuous thermoplastic fleece |
December 30, 1997 |
| An apparatus for making a plastic filament web has in a vertical stack starting from the top an extruder releasably mounted on a platform, connected to a spinneret, and supplying molten plastic thereto for formation of plastic streams, a blowing unit directly beneath the spinneret co |
| 5683727 |
Apparatus for the production of blown foils or films of thermoplastic |
November 4, 1997 |
| A foil-blowing apparatus has its external cooling nozzles vertically and/or radially adjustable relative to the transition region between the neck of the thermoplastic tube and the blown foil balloon to enable thickness errors to be eliminated. |
| 5624689 |
Foil blowing apparatus for thermoplastic synthetic resins |
April 29, 1997 |
| A foil blowing head for a thermoplastic synthetic resin tube has a primary air guide juxtaposed with the blowing head portion defining the internal primary air outlet, also formed with passages for the secondary air and is axially shiftable on the discharge tube from which air is led fro |
| 5609808 |
Method of making a fleece or mat of thermoplastic polymer filaments |
March 11, 1997 |
| A melt-blowing head is used to produce long thermoplastic filaments which are collected on a sieve belt and form crossing welds at cross-over points. The resulting mat may be calendered and is composed of filaments having a diameter of less than 100 .mu.m and a degree of crystallinity |
| 5593704 |
Head assembly for blow-extruding a tubular plastic foil |
January 14, 1997 |
| An apparatus for blow extruding a tubular plastic foil has a nozzle having an upwardly open annular mouth generally centered on a longitudinal axis for upwardly extruding a tubular plastic strand and an inner tube extending upward from the nozzle within the mouth thereof, having an upper |
| 5571537 |
Stationary-pressure apparatus for producing spun-bond web |
November 5, 1996 |
| Nonwoven spun-bond is produced by a stationary pressure apparatus in which the shaft below the spinneret has an inlet section followed by the downwardly converging intermediate section, a drawing section and a diffuser opening above the collecting belt through which air is drawn by a |
| 5529470 |
Apparatus for flattening a blown foil tube of thermoplastic synthetic resin |
June 25, 1996 |
| In a foil blowing apparatus, the distribution of singularity in the flattened foil tube over the length of a roll in which the tube is coiled are distributed by a fold shifting device above the squeezing rollers at the top of the foil blowing unit. The fold shifting device has three sets |
| 5503784 |
Method for producing nonwoven thermoplastic webs |
April 2, 1996 |
| A spun-bond apparatus can be operated with additional high-pressure jets at the outlet gap immediately above the collecting belt and below the intermediate passage connecting that gap with the cooling chamber to establish a higher velocity of the filaments which are collected in the |
| 5503265 |
Web depositing table |
April 2, 1996 |
| A collecting belt for the web of a spun bond or melt blown apparatus has one deflecting roller with fixed bearings and another deflecting roller with floating bearings upon which pneumatic cylinders act to provide equal forces. Upon the pneumatic system a proportional controller in respo |
| 5487655 |
Method of and apparatus for producing a spun filament web |
January 30, 1996 |
| A spin blowing apparatus for producing spun fleece of thermoplastified synthetic resin provides that the spinneret plate and/or the fiber or filament blowing gap through which the blowing air/fiber mixture passes downwardly and/or the air flow resistance of the perforated belt upon w |
| 5460500 |
Apparatus for producing a nonwoven spun-filament web of aerodynamically stretched filament of a |
October 24, 1995 |
| A spun-filament nonwoven web is deposited on a sieve belt from a spinning head producing a curtain of thermoplastic filaments which traverse a cooling chamber by drawing the filaments in a drawing nozzle separate from the cooling chamber and passing the filaments through a delivery unit |
| 5435708 |
Nozzle head for a meltblowing aparatus |
July 25, 1995 |
| To simplify the cleaning and maintenance of a meltblowing head, the lips defining with the spinneret the flowing slits adjusting the row of orifices can be swung away from the spinneret on respective lip guides pivotally connected to respective setback bars. The setback bars can be a |
| 5253992 |
Extruder die for the extrusion of thermoplastified synthetic resin |
October 19, 1993 |
| An extrusion die for extruding a thermoplastified synthetic resin, e.g. for a foil-blowing head or a wide-slit nozzle can have its adjustable lip positioned to vary the thickness of the extruded strand by a driver acting on a rod engaging that lip and driven by a step-down transmission f |
| 5248247 |
Apparatus for blow-extruding filaments for making a fleece |
September 28, 1993 |
| In a apparatus of making a nonwoven mat wherein a multiplicity of filaments are extruded in a row and a pair of jets of compressed gas are played symmetrically from nozzles upon the filaments as same are extruded to stretch the filaments and deposit same on a substrate the compressed gas |
