Abstract: A direct drive extruder apparatus includes an extruder assembly that has an extruder barrel and an extruder screw rotatably disposed in an interior area of the extruder barrel. The apparatus includes a bearing assembly in communication with the extruder assembly. The bearing assembly has a bearing housing which has a thrust bearing mounted therein. The thrust bearing includes an outer ring secured to the bearing housing and an inner ring in rotatable communication with the outer ring, and a plurality of rolling elements disposed between and in rolling engagement with the outer ring and the inner ring. The apparatus includes a sleeve removably coupled to the inner ring and the extruder screw. The apparatus includes a motor assembly that has a permanent magnet synchronous motor positioned therein, the permanent magnet synchronous motor has a rotatable shaft that is removably coupled to the sleeve.

Abstract: A web transfer device for a multiple turret winder on a continuous web process line includes a web delivery assembly having delivery rolls and a core transfer assembly having one or more core receiving structures. The transfer device includes a web transfer assembly configured to receive a web from the web delivery assembly and configured to communicate with the core transfer assembly. The web transfer assembly includes a frame and lay-on roll moveably positioned relative to the frame. The web transfer assembly includes a vacuum hood moveably positioned relative to the frame. The vacuum hood has a cutting device mounted therein and one or more suction holding surfaces that are configured to releasably hold a portion of the web. The suction holding surfaces are movable relative to the frame and the core receiving structures. The suction holding surfaces communicate with the core receiving structures to transfer the web thereto.

Abstract: A winder assembly includes a turret assembly rotatably mounted to a frame and a first core and at least one second core mounted for rotation on the turret assembly. The winder assembly includes a lay-on roll assembly pivotally mounted to the frame and including one or more lay-on rollers. The lay-on roll assembly is movable between a first retracted position and a first extended position. The winder assembly includes an enveloper assembly having one or more first pivot arms pivotally coupled to the frame. The winder assembly includes one or more pivot roll side plates pivotally coupled to the at least one first pivot arm. The pivot side roll plate is configured for curvilinear movement. The winding assembly includes biasing means coupled to the pivot roll side plate and rotatable therewith.

Abstract: A heater-cooler system includes a plurality of heaters in thermal communication with a barrel of an extruder. The heater-cooler system includes a plurality of shroud assemblies that each define a cavity between a shroud assemblies and one of the heaters. Each heater is enclosed by one of the shroud assemblies. Each of the shroud assemblies has an intake port and an exhaust port. The heater-cooler system includes a blower connected to the intake port. The blower delivers air to the cavity. A portion of the each of the shroud assemblies at the exhaust port defines a flap moveably integrated therewith. The flap is opened by an increase in pressure in the cavity caused by operation of the blower. The flap seals the cavity in a closed position upon termination of blower operation. The flap is configured as a poppet valve.

Abstract: A heater-cooler system includes a plurality of heaters in thermal communication with a barrel of an extruder. The heater-cooler system includes a plurality of shroud assemblies that each define a cavity between a shroud assemblies and one of the heaters. Each heater is enclosed by one of the shroud assemblies. Each of the shroud assemblies has an intake port and an exhaust port. The heater-cooler system includes a blower connected to the intake port. The blower delivers air to the cavity. A portion of the each of the shroud assemblies at the exhaust port defines a flap moveably integrated therewith. The flap is opened by an increase in pressure in the cavity caused by operation of the blower. The flap seals the cavity in a closed position upon termination of blower operation.

Abstract: A method for maximizing a width of a pre-stretch film includes providing polymer being suitable for producing the pre-stretch film. A pre-stretch film having strips of increased thickness is produced. The method includes coordinating a thickness of the strips of increased thickness with a formation of edge thickening caused by neck-in during stretching of the pre-stretch film.

Abstract: A feed throat for an extruder device includes a body having an inlet defined by a longitudinal opening along a side of the body and an outlet positioned at an end of the body. The body has a substantially cylindrical interior surface which has a plurality of raised surfaces which extend radially inward from and longitudinally along the interior surface. One or more hardened tiles are secured to one or more of the raised surfaces.

Abstract: A film processing apparatus includes a film delivery section and a film stretching section. The film stretching section is positioned downstream of the film delivery section. The film stretching section defines a first inlet and a first outlet. The film processing apparatus includes one or more slitting devices positioned between the first inlet and the first outlet.

Abstract: A method for maximizing a width of a pre-stretch film includes providing polymer being suitable for producing the pre-stretch film. A pre-stretch film having strips of increased thickness is produced. The method includes coordinating a thickness of the strips of increased thickness with a formation of edge thickening caused by neck-in during stretching of the pre-stretch film.

Abstract: A winding apparatus includes first and second frame members. A shaft is rotatably mounted to the first and second frame members. One or more arms extend radially outward from the shaft, each of which have a coupling and a connector positioned thereon. The connectors secure the arms to the shaft for rotation therewith. One or more support arms extend radially outward from the shaft and are positioned between the arms. Each of the support arms have a support arm coupling and a support arm connector positioned thereon. A spindle is rotatably supported by the couplings. The spindle is rotatably mounted in the support arm coupling which cooperates with the support arm to mitigate deflection of the first spindle in response to forces applied thereto.

Abstract: A device for producing film includes a die defining a die outlet through which molten polymer is extruded. The polymer is suitable for producing one of a pre-stretch film and a conventional stretch film. The device includes a film producing device spaced apart from the die. One or more coolant supplies are positioned proximate the film producing device for directing a stream of coolant onto the molten polymer positioned on the film producing device and/or between the die and film producing device, for producing film having strips of increased thickness.

Abstract: A device for producing pre-stretch film includes a die defining a die outlet through which molten polymer is extruded. The polymer is suitable for producing the pre-stretch film. A film producing device is spaced apart from the die. One or more coolant supplies are positioned proximate the film producing device for directing a stream of coolant onto the molten polymer positioned on the film producing device.

Abstract: A clamp for removably securing flanges to one another includes a first clamp member having a first pivot connection positioned proximate one end thereof and an abutment portion positioned proximate an opposing end thereof, the first clamp member being configured to extend partially around the flanges. The clamp includes a second clamp member having a second pivot connection positioned proximate one end thereof and a locking assembly positioned proximate an opposing end thereof, the second clamp member being configured to extend partially around the flanges. The clamp includes a linkage pivotally connected to the first pivot connection and to the second pivot connection, such that the first clamp member is movable relative to the second clamp member and the linkage. The locking assembly includes an actuator secured to the second clamp member and having a shaft which has a locking arm secured thereto.

Abstract: A winder assembly includes a turret assembly rotatably mounted to a frame and a first core and at least one second core mounted for rotation on the turret assembly. The winder assembly includes a lay-on roll assembly pivotally mounted to the frame and including one or more lay-on rollers. The lay-on roll assembly is movable between a first retracted position and a first extended position. The winder assembly includes an enveloper assembly having one or more first pivot arms pivotally coupled to the frame. The winder assembly includes one or more pivot roll side plates pivotally coupled to the at least one first pivot arm. The pivot side roll plate is configured for curvilinear movement. The winding assembly includes biasing means coupled to the pivot roll side plate and rotatable therewith.

Abstract: In a winder assembly, a turret assembly indexes first and second cores between winding and removal positions. A lay-on roll assembly includes a roller and moves between a retracted position and an engaged position wherein the roller and the core, or the work material wound onto the core, cooperate to form a nip. A cutter is provided for cutting a web of sheet-type work material being wound onto the core. An enveloper assembly is provided and includes a nipping pivot roller that can engage a cut edge of the work material and feed the cut edge into the nip formed between the roller forming part of the lay-on roll assembly and a fresh core thereby allowing the work material to wind around the core.

Abstract: A winder assembly is provided and includes two or more cores mounted for rotation on a turret assembly and a web of sheet-type work material is wound around a core. A lay-on roll assembly roller and a core cooperate to define a first nip. A transfer roll assembly includes a roller coupled for rotation to a rail such that the roller and a core cooperate to define a second nip. A cutting means for cutting the work material includes a traverse assembly having a work material guide means. During operation, after cutting work material, the turret assembly indexes a core into a winding position and the work material guide means is moved to the operating position such that the roller coupled to the rail causes the work material to be fed into the second nip and begin winding around the core.

Abstract: A feed throat for an extruder device includes a body having an inlet defined by a longitudinal opening along a side of the body and an outlet positioned at an end of the body. The body has a substantially cylindrical interior surface which has a plurality of raised surfaces which extend radially inward from and longitudinally along the interior surface. One or more hardened tiles are secured to one or more of the raised surfaces.

Abstract: A thrust bearing assembly includes a single-piece thrust plate and thrust shaft flange having a generally cylindrical body portion, a frustoconical body portion and a bore extending through the cylindrical body portion and the frustoconical body portion. The bore defines a first bore section and a second bore section. A lip extends between the first and second bore sections. The first bore section, the second bore section and the lip are configured to receive a thrust shaft and axial thrust forces transmitted therefrom. The thrust bearing assembly also includes a bearing assembly in operable communication with the single-piece thrust plate and thrust shaft flange. The bearing assembly supports rotation of the thrust shaft and includes a plurality of first rolling elements. The bearing assembly includes a bearing cage to retain the first rolling elements and a plurality of second rolling elements disposed between the bearing cage and the thrust shaft.

Abstract: A winder assembly is provided and includes two or more cores mounted for rotation on a turret assembly and a web of sheet-type work material is wound around a core. A lay-on roll assembly roller and a core cooperate to define a first nip. A transfer roll assembly includes a roller coupled for rotation to a rail such that the roller and a core cooperate to define a second nip. A cutting means for cutting the work material includes a traverse assembly having a work material guide means. During operation, after cutting work material, the turret assembly indexes a core into a winding position and the work material guide means is moved to the operating position such that the roller coupled to the rail causes the work material to be fed into the second nip and begin winding around the core.

Abstract: A uniform shear valve for an extruder machine includes a body having a generally annular wall that defines an interior area extending along a longitudinal axis thereof. The interior area extends between an inlet proximate a first end of the body and a second end of the body. The second end is opposite the first end. The body has a first bore extending through the wall along a traverse axis substantially perpendicular to the longitudinal axis at a first position and second position. A flow control member is sealingly and slidingly positioned partially in the first bore at the first position and extends out of the body. The flow control member defines a first seat on an end thereof. An outlet is located in the first bore at the second position. A second seat is positioned proximate the outlet and is concentric with the first seat along the traverse axis. A uniform flow area is defined by a gap between the first seat and the second seat.