Abstract: A package film is described. The package film comprises a first foil layer having a thickness of 0.5 mil or less but greater than 0 mil and a second foil layer having a thickness of 0.5 mil or less but greater than 0 mil. The package film also comprises a multilayer structure positioned between the first foil layer and the second foil layer. The multilayer structure has a thickness of from 0.75 mil to 2 mil and comprises (a) a high modulus layer having a secant modulus in each of the machine direction and the transverse direction of greater than 120,000 psi or having an elongation at break in each of the machine direction and the transverse direction of less than 150% and (b) a bulk layer comprising polyethylene, polypropylene, ionomer, or blends thereof. The package film further comprises a sealant film, and the sealant film is positioned interior the second foil layer. Various embodiments of the package film are also described.

Abstract: Tube forming methods can be used for efficient transition in the production of tubes having varying thickness. Material used to form consecutive tubes may have the same thickness along a separation plane separating a first discrete section from a second discrete section of the material, and the first discrete section and the second discrete section may each have varying thickness in a feed direction of the material. With such a thickness profile, the first discrete section of the material may be formed into a first cylinder having varying thickness and separated from the second discrete portion as the second discrete section is formed into a second cylinder having varying thickness. In particular, the transition between the first cylinder and the second cylinder may be achieved without scrap and/or interruption, resulting in cost-savings and improvements in production throughput associated with forming tubes having varying thickness.

Abstract: An air turbine starter for starting an engine, comprising a housing having an interior surface defining an interior, at least one turbine member rotatably mounted within the interior about a rotational axis, and having a plurality of circumferentially spaced blades, and a containment structure radially overlying and circumferentially surrounding at least a portion of the at least one turbine member.

Abstract: A system (10) for reinforcing a pipeline (90) or pressure vessel includes a dispenser (12), a quantity of fabric (14), and a resin (16). The dispenser (12) has a first end (39), a second end (32), and a slot (46) formed in a wall (48), and is pressurizable via a fluid input (74) to a pressurized state. The dispenser (12) has a seal (56) configured to permit the quantity of fabric (14) to pass through the slot (46) and retain pressure within the dispenser (12). The dispenser (12) is configured to dispense the quantity of fabric (14) through the slot (46). The quantity of fabric (14) has a first width (24).

Abstract: A tubing assembly includes a plurality of tubing structures connected to each other in a configuration providing one or more fluid pathways through the plurality of tubing structures from a fluid entrance to a fluid exit of the plurality of tubing structures. An electrical resistance heating filament wire is wound around the plurality of tubing structures in an unbroken manner from the fluid entrance to the fluid exit. The electrical resistance heating filament wire has a first electrical lead located proximate to the fluid entrance of the plurality of tubing structures and a second electrical lead located proximate to the fluid exit of the plurality of tubing structures. An encapsulation layer of thermal insulating material is disposed over an entirety of the plurality of tubing structures and covers the electrical resistance heating filament wire wound around the plurality of tubing structures with the first and second electrical leads exposed.

Abstract: A pull-on diaper 50B of the invention includes an outer cover assembly 3 defining the exterior surface of the diaper. A front body portion F and a rear body portion R of the outer cover assembly 3 are connected to each other along their laterally opposite side edges to form a pair of side seams 4, a waist opening 8, and a pair of leg openings 9. Each side seam 4 has a sealed edge portion 41 where the front body portion side edge 3F and the rear body portion side edge 3R of the outer cover assembly 3 are bonded to each other at a continuous linear fusion bond extending in the longitudinal direction of the side seam and, in part, a non-sealed portion 42 where the front body portion side edge 3F and the rear body portion side edge 3R of the outer cover assembly face to each other in a non-bonded relationship.

Abstract: A method for producing a structural element (14) that comprises a hollow profile (1) made of continuous fibre-reinforced plastics material and a load-application element (15) is based on providing a hollow profile (1) on a liner (2), wherein the hollow profile (1) is impregnated by heating it to a temperature that is equal to or above the softening temperature of the matrix material (9) and below its cross-linking temperature, removing the liner (2) in an inner region (17) of the hollow profile (1), where the load-application element (15) is arranged, and consolidating and functionalising the structural element (14) by heating it to a temperature that is equal to or above the cross-linking temperature of the matrix material (9) and by applying a radially inwardly acting pressure to the structural element (14). The hollow profile (1) is moulded onto the load-application element (15) in a form-fitting manner.

Abstract: A support structure (16) for a filter element includes at least one surface part (10), in which one or more fluid passage openings (12a-12e) with predetermined opening cross-sections are formed. The opening cross-section of at least one fluid passage opening (12a-12e) is at least partially elliptical-shaped.

Abstract: The present disclosure is directed, in part, to an absorbent article comprising a chassis comprising a topsheet, a backsheet, and a core disposed at least partially intermediate the topsheet and the backsheet. The absorbent article comprises a belt portion extending from the chassis. The belt portion comprises a first substrate, a second substrate joined to the first substrate, and a plurality of elongate elastic elements disposed at least partially intermediate the first substrate and the second substrate. The belt portion comprises a texture zone having a texture ratio of greater than about 5.

Abstract: A machine for coiling pipes (1) in spool form, includes a structure (10) supporting a rotating reel (11), a feeder unit for feeding a pipe (1) to the reel (11) in a longitudinal direction (X-X), a device (12) for cutting the pipe (1), a measuring unit (20) for measuring the length of the pipe (1), arranged upstream of the cutting device (12), in the longitudinal direction (X-X). The machine includes a device for hermetically sealing the pipe arranged in a zone of the machine situated upstream in the direction of feeding of the pipe towards the reel of the means for fastening to the reel and upstream of the cutting device in the same direction of feeding.

Abstract: A sports article comprising an elongate tubular shaft comprised of a fiber-reinforced resin matrix composite material, wherein the elongate tubular shaft has a longitudinal direction and the shaft is multilaminar and includes at least two fibrous layers, each of which is helically wrapped about a wrapping direction extending along the longitudinal direction to form the elongate tubular shaft, wherein each fibrous layer comprises a plurality of oriented structural fibers which are substantially aligned along the longitudinal direction so as to be oriented within +/?10° of the longitudinal direction, the oriented structural fibers having a length, along the longitudinal direction, of less than the length of the elongate tubular shaft to form discontinuous structural fibers serially oriented along the elongate tubular shaft. Also disclosed is a method to produce such a multilaminar elongate tubular shaft.

Abstract: A centralizer can be produced from a process comprising forming a plurality of composite bow spring from a fiber and a resin, curing the composite bow springs in a desired shape to form a plurality of cured bow springs, disposing a first portion of a resin-wetted fiber about a cylindrical mandrel to form a plurality of collars, disposing the plurality of cured bow springs onto the mandrel with the bow spring ends in contact with the first portion of resin-wetted fiber, disposing a second portion of the resin-wetted fiber about the cylindrical mandrel, curing the collars to form a cured centralizer, and pressing the mandrel out of the cured centralizer.

Abstract: Tube forming methods can be used for efficient transition in the production of tubes having varying thickness. Material used to form consecutive tubes may have the same thickness along a separation plane separating a first discrete section from a second discrete section of the material, and the first discrete section and the second discrete section may each have varying thickness in a feed direction of the material. With such a thickness profile, the first discrete section of the material may be formed into a first cylinder having varying thickness and separated from the second discrete portion as the second discrete section is formed into a second cylinder having varying thickness. In particular, the transition between the first cylinder and the second cylinder may be achieved without scrap and/or interruption, resulting in cost-savings and improvements in production throughput associated with forming tubes having varying thickness.

Abstract: A tubular liner for sewer rehabilitation an inner tubular film; a resin-carrier layer surrounding the inner tubular film; and a mechanically protective outer film system surrounding the resin-carrier layer. The outer film system has an outer film extending in the longitudinal direction of the tubular liner. Longitudinal edges of the outer film are connected to each other in an overlapping manner in the circumferential direction of the tubular liner with connecting points. Upon the elongation in the radial direction during the insertion of the tubular liner, the connection points are elongated and may break in a sewer to be rehabilitated. The outer film features at least one layer made of a material that is mechanically very stable and is essentially not able to elongate, and at least one layer that is essentially impermeable for UV radiation and visible light.

Abstract: A method of manufacturing a composite profile having a non-circular cross section, comprising the steps of—actuating a string of mandrel sections (1) having a non-circular cross section to move axially in a one way motion through one or more orbital winding stations (3) that are rotationally disposed about to the longitudinal axis of the mandrel in one or more passes, —continuously helically winding in one or more winding stations tape comprising a bundle of parallel longitudinally extending fibers in a thermoplastic matrix material onto the mandrel sections or a previously wound layer to form layers (4) of a wall of a thin walled profile having a closed cross section including at least one planar surface, and—cutting the thin walled profile into profile sections that are carried on one or more mandrel section sections, wherein the layer is consolidated with the previous layer prior to cutting. FIG.

Abstract: A method for formation of a polymer film in-situ according to the invention comprises steps of: providing a polymerizable composition in one or multiple parts; initiating polymerization of the polymerizable composition to form a polymerizing composition; prior to completion of polymerization of the polymerizable composition, forming a film therefrom; and fully polymerizing the polymerizing composition to form the polymer film.

Abstract: An expansion joint spring clip can eliminate flutter, pulsations and reverse bending on non-metallic fabric flue duct expansion joints. The expansion joint spring clip can hold the expansion joint in a fixed arch such that it can still perform its function with regard to accommodating the ducting system movements. The expansion joint spring clip allows the entire width of the non-metallic expansion joint to retain its position during start-ups, downloading and during full or partial boiler, kiln, furnace loads and the like. The expansion joint spring clip can be installed in the existing geometry of an expansion joint by producing an arch while not damaging the expansion joint after being installed. The expansion joint can still accommodate axial and limited lateral movements, allowing the expansion joint to perform its function.

Abstract: A method of manufacturing a spiral-wound PTFE gasket includes winding a laminated PTFE tape (300) around a shaft (305) that has an outer diameter that coincides with the gasket inner diameter to create a PTFE cylinder (315) having an outer diameter that coincides with the gasket outer diameter; sintering the PTFE cylinder (315); and removing a radial segment of the PTFE cylinder (315) to form the gasket (100), the radial segment having a thickness that coincides with the gasket thickness.

Abstract: A method of manufacturing a composite core can include: wrapping a mandrel in a mandrel wrapping process by securing a mandrel with a winding jig; orienting the composite material at a wrap angle to the mandrel; and depositing the composite material around a circumference of the mandrel. The method can further include assembling the wrapped mandrels in a tool and applying a pressure to the composite material during a curing cycle.

Abstract: A core has a cylindrical wall that can be torn axially and is made up of two superposed strips, these strips respectively being an outer strip in contact with the product and an inner strip, these strips being wound on one another and joined together by regions of attachment for example by bonding. At least one of the longitudinal edges of the inner strip is not attached or is weakly attached over a determined width in order, over at least part of its helical length, to form a free and accessible tab facing the outer strip.

Abstract: A method of manufacturing a composite core can include: wrapping a mandrel in a mandrel wrapping process by securing a mandrel with a winding jig; orienting the composite material at a wrap angle to the mandrel; and depositing the composite material around a circumference of the mandrel. The method can further include assembling the wrapped mandrels in a tool and applying a pressure to the composite material during a curing cycle.

Abstract: A method of manufacturing a composite core can include: wrapping a mandrel in a mandrel wrapping process by securing a mandrel with a winding jig; orienting the composite material at a wrap angle to the mandrel; and depositing the composite material around a circumference of the mandrel. The method can further include assembling the wrapped mandrels in a tool and applying a pressure to the composite material during a curing cycle.

Abstract: A composite pipe is disclosed. The composite pipe includes a thermoplastic inner layer and a tape layer. The tape layer is exterior to and bonded with the thermoplastic inner layer. The composite pipe also includes a protective layer formed exterior to the tape layer.

Abstract: Described are methods of making a paint roller using preformed strips or core material made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight. One or various compounds may be used to form portions of one or multiple components that make up the paint roller, including, for example, the thermoplastic strips, adhesives and/or the backing of a composite cover material. The materials can be assembled in a continuous manufacturing process.

Abstract: A method for manufacturing a catheter member having at least one lumen is disclosed herein. The method includes, winding a sacrificial coil over a mandrel in a first direction and winding a reinforcement coil over the sacrificial coil in a second direction. A polymer is then laminated over the sacrificial coil and the reinforcement coil. After the polymer is laminated, the mandrel is removed and the sacrificial coil is removed to thereby form the catheter member having the lumen.

Abstract: A method is disclosed of directing bias tows of a fabric to be wrapped around a form to create a fabric preform. The fabric includes at least a first set of bias tows that are generally parallel with one another and a second set of bias tows that are generally parallel with one another but that are not parallel with the first set of bias tows. An edge strip is attached to ends of the first set of bias tows at a first lateral edge of the fabric relative to a feed direction of the fabric onto the form. The edge strip is moved to direct the first set of bias tows. The fabric is wrapped around the form by rotating the fabric and form relative to one another about the central axis of the form to create the fabric preform.

Abstract: An elongate tape and method of producing an elongate tape are disclosed. The tape is suitable for forming a helically wound layer of interlocked windings in a flexible pipe body, and is configured for interlocking with adjacent windings, wherein the tape has a cross-sectional profile including: a first surface that in use forms a radially inner surface of the helically wound layer; a further surface, in use forming a side wall extending radially outwards, away from the first surface, and for forming a contact surface with a region of an adjacent winding; and a transition surface joining the first surface and further surface, wherein the transition surface comprises a curved surface, and wherein the curved surface has a larger radius of curvature in a region proximate the first surface than in a region proximate the further surface.

Abstract: Described are methods of making a paint roller using material made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight. One or various compounds may be used to form portions of one or multiple components that make up the paint roller, including, for example, the thermoplastic strips, adhesives and/or the backing of a composite cover material. The materials can be assembled in a continuous manufacturing process.

Abstract: A method of manufacturing flexible insulated duct includes wrapping a substantially flexible tubular core with a layer of insulation. A substantially flexible outer layer is wrapped about the layer of insulation such that longitudinal edges of the outer layer circumferentially overlap to define a longitudinally extending seam. The overlapping longitudinal edges of longitudinally extending seam in the outer layer are bonded together, thereby forming the flexible insulated duct. The flexible insulated duct is then cut to a discrete length and installed at a job site.

Abstract: A hose comprising a tubular body of flexible material arranged between an inner and outer helically wound wire. The hose further comprises an elongate member having opposing longitudinal edges, the elongate member being helically wound around the tubular body such that the opposing longitudinal edges of the layer are in an adjacent or overlapping arrangement, wherein each longitudinal edge includes a formation capable of interengaging with a cooperating formation on the opposing longitudinal edge, wherein the elongate member is provided at least one reinforcing member which extends along the longitudinal axis of the elongate member.

Abstract: The invention relates to a method for manufacturing flat, single or double curved core composites 1, 23 with at least one folded honeycomb core 4, 19. Prior to applying the initially not yet hardened cover layers 2, 3, 13, 22 a curable and later removable core filler material 15, 16 is introduced into full-length drainage-enabling channels 5, 6 of the folded honeycomb core 4, 19 in order to prevent telegraphing of the cover layers 2, 3, 13, 22 into the channels 5, 6 of the folded honeycomb core when arranging and/or hardening the cover layers 2, 3, 13, 22 and to produce edge-free and polygon-free surfaces of the core composite 1, 23. The core composites 1, 23 made according to the method have optimum structural mechanical properties, an ideal surface quality from the aerodynamic and aesthetic point of view, whereby a direct reprocessing of the core composites 1, 23 is possible without the need for further time and cost-intensive as well as in some circumstances weight-increasing finishing steps.

Abstract: Described are methods of making a thermoplastic core paint roller using a composite cover material having a backing made from a compound comprising a polypropylene-based elastomer and calcium carbonate having between 5% and 50% calcium carbonate by weight. One or various compounds of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight may be used to form portions of one or multiple components that make up the paint roller, including, for example, the thermoplastic strips and/or the adhesives. The materials can be assembled in a continuous manufacturing process.

Abstract: Described are methods of making a paint roller using preformed strips or core material made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight. One or various compounds may be used to form portions of one or multiple components that make up the paint roller, including, for example, the thermoplastic strips, adhesives and/or the backing of a composite cover material. The materials can be assembled in a continuous manufacturing process.

Abstract: Systems and methods for reinforcing an existing pipeline. In some embodiments, the methods include positioning a pipeline wrapping apparatus on the existing pipeline, wherein the pipeline wrapping apparatus comprises a winding head, feeding a strip of material through the winding head, attaching an end of the strip of material to the existing pipeline, and helically wrapping the strip around the existing pipeline by rotating the winding head and axially translating the winding head relative to the existing pipeline.

Abstract: A non-compliant fiber-reinforced medical balloon comprises a first fiber layer and a second fiber layer embedded in a continuous matrix of thermally-weldable polymer material defining a barrel wall, cone walls and neck walls. The fibers of the first fiber layer have a pattern of different lengths and are divisible into a first group and a second group based on length. The length of the fibers of the second group varies progressively in accordance to their proximity to the fibers of the first group; the fibers of the second group closest to the fibers of the first group being longer than the fibers of the second group further from the fibers of the first group. The fiber of the second fiber layer winds circumferentially around the longitudinal axis of the balloon substantially over the entire length of the balloon.

Abstract: A hose for a peristaltic pump is shown and described. The hose may include a generally tubular member capable of transporting a medium and a plurality of fabric layers positioned over the tubular member. The hose may further include a generally elastomeric outer layer positioned over the fabric layers, the outer layer having a generally smooth elastomeric outer surface.

Abstract: A method of manufacturing a rim for a bicycle wheel includes wrapping plys of fibers in a resin matrix around a mandrel; curing the plys to form the rim; and reducing a size of the mandrel to allow the mandrel to be removed from the rim.

Abstract: The present disclosure provides composite prosthetic devices comprising two or more layers of electrospun polymers and methods of preparation thereof. In some embodiments, the two or more layers can be porous and in other embodiments, one or more components is nonporous. The composite prosthetic devices can comprise various materials and the properties of the prosthetic devices can be tailored for use in a range of different applications.

Abstract: The present invention relates to a method for forming fluoroplastic articles including inner and outer fluoroplastic layers and a metal meshwork, the metal meshwork being arranged between the inner and outer fluoroplastic layers, characterized by the meshwork being stretchable and compressible in an axial direction.

Abstract: Described are methods of making a paint roller using a composite cover material made from a compound of polypropylene and calcium carbonate having between 5% and 50% calcium carbonate by weight. One or various compounds may be used to form portions of one or multiple components that make up the paint roller, including, for example, the thermoplastic strips, adhesives and/or the backing of a composite cover material. The materials can be assembled in a continuous manufacturing process. Also described are methods of making a paint roller using an adhesive made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight, and methods of making a paint roller using preformed strips or core material made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight.

Abstract: Disclosed is the method for creating a reinforced hollow fiber membrane by applying reinforcing filaments to a core, casting a dope over the filaments and core, forming a membrane from the dope, and removing the core. The core may be a moving core, and the reinforcing yarns may comprise warp yarns and a spiral wrap yarn. The core may be soluble and removed by dissolving it. The core may be pre-wrapped with a yarn before the warp yarns are applied. The resulting reinforcing cage may be pre-shrunk before it is coated with a membrane dope. The pre-wrapped yarn may be removed, for example by dissolving it, after the reinforcing cage is coated. A precursor assembly for making a hollow fiber membrane is also provided.

Abstract: A permeable material compacting method includes, feeding permeable material between at least one set of rollers, decreasing a thickness of the permeable material, and wrapping the permeable material around a mandrel in a helical fashion.

Abstract: A composite mandrel includes a filament-wound composite tube, and composite material molded over the filament-wound composite tube. For example, the composite material includes chopped fibers and a matrix of thermoset resin. The chopped fibers are arranged in layers upon the filament-wound composite tube, and the chopped fibers in each of the layers are randomly oriented along first and second orthogonal directions in each of the layers. The composite material includes at least one sheet of the composite material wound over the filament-wound tube, and at least one strip of the composite material wound over the sheet of the composite material and forming a head on the composite mandrel. An internal cavity of the filament-wound composite tube may provide a lumen for the composite mandrel. The internal cavity may be threaded to receive a removable bridge plug.

Abstract: A method of winding a holding sealing material includes providing a mat-shaped holding sealing material including inorganic fibers. An exhaust gas treating body is provided having cell walls extending along a longitudinal direction of the exhaust gas treating body to define cells. The mat-shaped holding sealing material is wound around an outer peripheral portion of the exhaust gas treating body to form multiple layers including a first layer and a second layer wound around the first layer. Each of the multiple layers is shifted along the longitudinal direction in a winding order such that the first layer is placed closer to one end face of the exhaust gas treating body than the second layer. A shift between the first layer and the second layer is from about 0.15% to about 15% of a length in a width direction of the holding sealing material.

Abstract: A method and apparatus for the continuous production of a multiaxial laid scrim web (2) using at least one uniaxial laid scrim (4, 5), which is wound about a winding apparatus (3) for producing a substantially tubular multiaxial laid scrim (8). In order to provide a method that allows a multiaxial laid scrim web (2) to be produced in higher quality with higher speed, it is proposed according to the invention to apply the uniaxial laid scrim (4, 5) onto the winding apparatus (3) at least with portions of its surface and thereby transport it continuously through the winding apparatus into a feeding apparatus.

Abstract: A non-compliant fiber-reinforced medical balloon comprises a first fiber layer and a second fiber layer embedded in a continuous matrix of thermally-weldable polymer material defining a barrel wall, cone walls and neck walls. The fibers of the first fiber layer run substantially parallel to one another and substantially parallel to the longitudinal axis. The fibers of the first fiber layer have a pattern of different lengths and are divisible into a first group and a second group based on length. Each fiber of the first group begins in the neck wall at one end of the balloon, extends continuously in the longitudinal direction and terminates in the neck wall at the opposite end of the balloon. Substantially all of the fibers of the first group have a generally uniform length. Each fiber of the second group begins in the cone wall at one end of the balloon, extends continuously in the longitudinal direction and terminates in the cone wall at the opposite end of the balloon.

Abstract: Described are methods of making a paint roller using an adhesive made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight. Described are methods of making a paint roller using preformed strips or core material made from a compound of polypropylene and calcium carbonate having between 5% and 66% calcium carbonate by weight. Described are methods of making a paint roller using a composite cover material made from a compound of polypropylene and calcium carbonate having between 5% and 50% calcium carbonate by weight. One or various compounds may be used to form portions of one or multiple components that make up the paint roller, including, for example, the thermoplastic strips, adhesives and/or the backing of a composite cover material. The materials can be assembled in a continuous manufacturing process.

Abstract: The present invention relates to a tubular molded body capable of full-wrapping a membrane module, and an industrial filter assembly using the same. The tubular molded body of the present invention is a molded body consisting of a transparent plastic material and having a constant outer diameter that protects the membrane module through a simple manipulation using a physical fastening means to minimize the space for water stagnation, and prevents the accumulation of Mg2+ and Ca2+ to avoid a rise of the differential pressure caused by contaminants. Furthermore, the present invention provides an industrial filter assembly including a tubular molded body encasing from one end to the other of the membrane module, an industrial facility vessel protecting the exterior of the tubular molded body.

Abstract: There is provided an apparatus for applying tape on a plurality of wire to form a harness thereof, the apparatus comprising a casing defining a fixed portion adapted to rotatably receive a moveable portion rotatable about a moveable portion axis, the moveable portion being adapted to secure a roll of tape thereon such that the roll of tape revolves with the moveable portion in a fashion allowing unwinding of the tape on the plurality of wires, the fixed portion and the moveable portion defining cooperating indentations encompassing the moveable portion axis, the indentation in the moveable portion being adapted to be selectively aligned with the indentation of the fixed portion to receive and allow positioning of the plurality of wires about the moveable portion axis such that the tape on the rotating moveable portion being unwounded on the plurality of wires to secure the plurality of wires in a harness.

Abstract: A method for improving strength of the finished product in paint roller manufacturing processes and other continuous processes for producing tubular goods from polymers. The method utilizes a substrate such as a polypropylene strip with grooves on its surface. The grooved substrate is fed onto a mandrel to form a tube. Adhesive is applied upon the grooved surface of the grooved substrate. A cover may be applied about the tube, and the resulting product is then cut into finished-size paint rollers. The hardened adhesive in the grooves may operate to reduce the hoop-force which would otherwise tend to unwind the wound substrate. The method in certain embodiments provides a reduction in cost and weight of the finished product.