Abstract: Improved Cleansing Brush with a cleansing head comprising a first rigid elongate tubular body, a second rigid elongate tubular body, a joint portion, a first resilient grip handle and a second resilient grip handle. The joint portion is comprised of a first disk member and a second disk member including an imbedded spring ball plunger assembly and a plurality of radially displaced apertures capable of receiving the bal. The first elongate body is attached at one end to the first joint member. The second elongate body is attached to on end of the second joint member. The first elongate body terminating at its opposite end in the first grip handle, and the second elongate body including near its connection with the joint member a the second grip handle. A preferred embodiment includes that the second elongate member includes an aperture to removably receive a shaft portion of the cleansing head.

Abstract: A cleaning implement formed from a body and a handle attachment base provided on the body for removable attachment of a handle to the body. The body has a gripping portion on the body. The gripping portion is ergonomically shaped to be gripped by a user's hand. The cleaning implement is usable both with a handle adapted for attachment to the handle attachment base and without a handle by gripping of the gripping portion by a user. The cleaning implement may be adapted for use with different handles.

Abstract: The holder device has an elongate member (12) that has an upwardly protruding tip (14). A holder segment (16) is attached to a side edge (18) of the elongate member. The holder device has an upper section (20) extending over the member (12) to an opposite side edge (23). The elongate member (12) has an upper surface (24) with a high friction area (26) disposed thereon.

Abstract: A mop pad support includes a frame configured to retain a mop pad, a handle for controlling the frame, and a connecting mechanism that connects the handle to the frame. The frame has a longitudinal direction and a latitudinal direction. The frame is longer in the longitudinal direction than in the latitudinal direction. The handle has a shaft portion that extends in a substantially longitudinal direction and a grip portion that extends at an angle relative to the longitudinal direction. The grip portion is located farther from the frame than the shaft portion and has ends proximal and distal the shaft portion. The proximal end of the shaft portion is disposed lower than the distal end, such that the grip portion extends upward. The connecting mechanism is configured to permit the handle to rotate about a first axis that is substantially parallel to the longitudinal direction of the frame and to rotate about a second axis that is substantially parallel to the latitudinal direction of the frame.

Abstract: The invention is a device and means for applying a thickened cleaning composition to a selected surface area that minimizes or eliminates any unintentional or excess application of the composition and/or minimizes or eliminates any spreading or wicking of the composition beyond the selected surface area after application. The current invention is a dispensing device featuring the combination of a thickened cleaning composition having a specified rheology and dispensing means with one or more orifices of preferred cross-sectional area that enable convenient application of a cleaning composition to the selected region of a soft or hard surface. Additionally, the dispensing device features cleaning compositions having preferred wicking rates with respect to the treated surfaces so that only the selected stained or soiled region of the surface is effectively treated, as the cleaning compositions will not spread or wick into adjacent regions of the surface where damage may occur.

Abstract: A floor dressing spreader includes an elongated handle and an elongated back-up plate. The elongated handle is secured to the back-up plate and extends generally upwardly therefrom. Front and rear attachment plates are disposed adjacent lower portions of the back-up plate and a resilient flexible spreader element is clamped between an attachment plate and the back-up plate. The spreader extends downwardly beyond the lower edge of the back-up plate for spreading the concrete dressing material. The resilient spreader is preferably composed of a material which is flexible and resiliently deformable such as a rubber material.

Abstract: This invention relates to a wiper blade (20) having a connecting part (32) which is mounted on a carrying element (24) of the wiper blade (20) and has a pivot pin (42, 96, 106, 138, 146, 164, 178) of a joint (30) whose free end is connected to a wiper rod (28, 70, 80, 90, 118, 136, 150). It is proposed that the joint (30) includes a cap (54, 114, 128, 160, 190) which covers the connecting part (32) and is attached to it, and during operation the wiper blade (20) and the wiper rod (28, 70, 80, 90, 118, 136, 150) are secured in the installed position.

Abstract: A robot vacuum cleaner comprises a main body having a driving wheel, a suction port provided underneath the main body for drawing in contaminants on a surface to be cleaned, and a guide member disposed underneath the main body for guiding contaminants on the surface to be cleaned toward the suction port.

Abstract: A floor cleaning machine particularly for industrial applications, comprising a box-like structure, which is provided, in its downward region directed toward the floor, with floor cleaning devices, and supports electrical controls for actuating and controlling the machine, at least one part of the electrical controls for actuating and controlling the machine being associated with a supporting body that can be detachably coupled to the box-like structure, and connectors for detachable electrical connection being provided between the part of the controls for actuation and control and their remaining part.

Abstract: Portable cleaning appliance comprising a body (1, 2) provided with handgrip means (4) and with an interchangeable rotating cleaning tool (3), the said body containing the drive means (5) of the said tool (3) and the power supply means (6) of the said drive means (5, 105, 115, 205, 305, 315); there is formed in the said body (1, 2) a pipe (102) which at one end opens onto the said rotating cleaning tool (3), with which it is in fluid communication, and at the other end (112) is connectable to means for generating a stream of fluid.

Abstract: A hand vacuum cleaner with a dry/wet switcher that operates in dry or wet mode without any external attachment is comprised of an elevation deck adapted with a water curette provided at the nozzle of the dust receiver; the knob being turned to control the ascending or descending of the elevation deck to change the openness of the nozzle; larger openness of the nozzle allowing dry operation mode and smaller openness to fully expose the water curette thus to operate in wet mode at the highest vacuuming velocity.

Abstract: A cyclone dust-collecting apparatus comprises a cyclone body having a first cyclone part and a second cyclone part comprising a plurality of cones, a cover unit connected with the upper portion of the cyclone body for guiding air movement between the first cyclone part and the second cyclone part, and a contaminant receptacle connected with the lower portion of the cyclone body for collecting contaminants separated from the first and second cyclone parts.

Abstract: An agitation apparatus which is suitable for use in a cleaning head of a vacuum cleaner includes first and second flow paths. Each of these flow paths has a resonant cavity and an inlet/outlet port which joins the cavity to a space within the cleaning head. A generating means or generator, such as a loudspeaker with a diaphragm, generates an alternating pressure wave between the ports. Pressure waves are emitted from one of the ports in an anti-phase relationship with the pressure waves from the other of the ports, thus reducing operating noise. Due to both sides of the generator or diaphragm being exposed to an equal static pressure, the generator operates more reliably. A plurality of these arrangements can be provided across the cleaning head, and a part of the agitation apparatus, such as the driver, can be mounted on the main body of the vacuum cleaner.

Abstract: A vacuum cleaning head includes a rotatable brush bar and an air turbine driving the brush bar. An air inlet admits air to drive the turbine. A button is movable between an open position, in which it admits air to the turbine, and a closed position in which it closes the inlet and prevents air from reaching the turbine. The button is movable in response to the speed of rotation of the turbine or to the flow of air to or through the turbine exceeding a predetermined limit.

Abstract: The present invention relates to a spray gun generally employed with a multi-functional surface cleaning machine having a fluid tank, a pump, a dispensing device, and at least one receptacle for holding concentrated cleaning chemicals. The dispensing blower assembly device of one embodiment of the present invention includes a housing, a blower motor and a nozzle for directing pressurized air to a predetermined location.

Abstract: A bracket for retaining a stair rod includes a first bracket portion defining a first bracket plane for affixing the first bracket portion to a stair and a second bracket portion rotatably coupled to the first bracket portion for rotation between bracket open and bracket closed positions and defining a second bracket plane wherein the first and second bracket planes are coplanar only when the bracket is in the bracket closed position. Friction between a surface of the first bracket portion and a surface of the second bracket portion can provides a friction fit between the first and second bracket portions and maintain the bracket in the bracket closed position. An axis is defined by an intersection of the first and second bracket planes wherein the friction fit is provided by friction between the surfaces of the first and second bracket portions in the vicinity of the axis.

Abstract: A pair of castors is connected to the chassis of a trolley or the like by a castor mounting arrangement. A fixed member is connected to a rotating member via a hinged connection that has an elongate substantially cylindrical member and a hinge roll. Primary stop means limits articulation in both rotational directions.

Abstract: The present invention consists of a system for fixing a cloth, such as a tablecloth (12) to a table (14) or other flat surface, also permitting to apply to the same cloth decorative elements, in particular what is known in this technical field as “draperies” (13). This system is constituted by a fixed element (1) that is attachable to the table (14) or other surface, inside which the cloth (12) is inserted and then blocked by a mobile element (2) that fits into the fixed elements (1). The mobile element (2) has a strip of Velcro (5) on its outer side, so that other accessories, such as “draperies” (13) for tablecloths, may be applied.

Abstract: The present invention provides a double roller device that is adapted for use with overhead, retractable door constructions using a plurality of hingedly connected panels. The device may comprise a hinge roller assembly having a roller mounting plate with a plurality of rollers fixedly attached to a first face of the mounting plate. A U-shaped shaft of the device is secured to at least one hinge by inserting the shaft into the roller stem mounting tube associated with such hinges. The device of the present invention provides additional support for oversized, heavy door panels or in environments where significant external forces on the door system may be expected.

Abstract: A door handle system includes a door opening lever rotationally supported on a support member, and a damper having a linear piston sliding mechanism. The door opening lever has an angle change device for changing an angle when the door opening lever is actuated. The damper is attached to the support member and arranged to contact the angle change device so that a returning force of the door opening lever after being opened is reduced by the damper.

Abstract: The present invention proposes a screw-less hinge for spectacles using a single metal material for the entire set of spectacles excluding some spectacles parts, such as lenses, engagement rods, and nose pads, the hinge having a mechanism for allowing each temple to turn with respect to a corresponding lug and preventing play of the temple, in both an opened state and a closed state. The temple and the lug are both formed of a wire-like metal material. An end of the temple is formed into an annular shape so as to define a pivot hole. A pivot portion of the lug formed through bending the wire-like material of the lug is inserted into the pivot hole whereby turning motion of the temple is enabled. The lug is extended from the pivot portion along the temple and is bent so that a distal end portion of the lug is located on the inner side of the opened temple, to thereby form a temple-open-state holding portion for preventing the opened temple from turning inward.

Abstract: An adjustable hinge structure includes a fixture, a bracket, a first adjusting element, a securing plate and a second adjusting element. The fixture comprises a connecting plate for the bracket to be secured thereon. A securing end of the first adjusting element is inserted through a first hole of the connecting plate and a first through hole of the bracket to adjust the position of the bracket with respect to the fixture. The securing plate is pivotally connected to the bracket, with the second adjusting element inserting through a second hole of the bracket and a second through hole of the securing plate to adjust the position of the bracket with respect to the securing plate.

Abstract: A hinge arrangement for a cabinet door, comprising: a pair of hinge seats (10), which are affixed to one of the parts defined by the door (P) and the cabinet (G); hinge pins (20), which are affixed to the other of said parts and which are each designed to be fitted into a respective hinge seat (10) when the respective side of the door is closed; a locking slide (30), which is mounted to the hinge seats (10), and which may be displaced in opposite directions, as a function of the door opening operation, in order to lock the hinge pin (20) inside the respective hinge seat (10) at the non-opened side of the door, said hinge arrangement further comprising a first stop means (15) incorporated to each hinge seat (10), and a second stop means (25), which is fixed and slightly spaced in relation to each hinge pin (20), said first and second stop means (15, 25) being arranged so that, after the door (P) has been opened by a certain degree from one side, the first stop means (15) of the other side is angularly displace

Abstract: Hinge for fastening a door (12) to a side wall (11) of a piece of furniture, comprising a first element of the hinge (20) fixed to the side wall (11), a second element of the hinge (40) fixed to the door (12) of the piece of furniture, and an intermediate element (60) hinged to the first element of the hinge (20), for allowing the oscillating connection of the first hinge element (20) to the second hinge element (40) to enable the articulation of the door (12) with respect to the side wall (11) of the piece of furniture, the intermediate element (60) being equipped with an adapter (70) suitable for being inserted in a housing (41), incorporated in the second hinge element (40), by means of a linear sliding “drawer-like” movement, the adapter being blocked by the insertion of a tooth (77) on the adapter (70) into a groove (53) and a matching element (54), situated on a lid (52) attached by means of a hinge (48) along the edge of an anchoring plate (50) incorporated inside the second hinge element (40) allowing

Abstract: A pivot hinge for a portable electronic device is disclosed. A base plate with a pivot tube is fixed on the main unit of the portable electronic device, and a locating bracket is fixed on the movable display panel. A shaft is inserted through the pivot tube, exposing the angular section from the other end of the pivot tube. A locking piece, a spring, and a ring are sequentially inserted over the angular section to complete the spring assembly. The interlocking of the tooth and notch enables the movable display panel to be placed in the horizontal direction over the main unit. A middle section of the shaft and the pivot tube are closely mated only when two plain facets respectively formed on the shaft and the pivot tube are matched up in the rotation of the shaft, thus abrasion damage is significantly reduced.

Abstract: A multi-directional hinge for a notebook computer has a seat with a pintle. A base is rotatably mounted on the seat and has a hollow flange formed at a central portion of the base for receiving the pintle. Multiple rotating washers are provided outside the pintle and received in the base. A first positioning washer is provided outside the pintle and abuts the rotating washers. A bottom cover is provided under the rotating washers and fastened at a bottom end of the pintle. Whereby, a horizontal view angle of an LCD monitor of the notebook computer can be adjusted, and the LCD monitor can be positioned at the desired viewing angle and will not freely leave this position if unintentionally touched.

Abstract: A composable article for for the production of gold items jewelry and the like is disclosed. The article comprises at least one element having a central window or frame at least one insert suitable for fitting inside the frame, and at least one snap connector suitable for reversibly securing the insert inside the frame.

Abstract: The present invention provides a securing strap adapted for use independently or in combination with one or more similar straps, the or each said securing strap including a head portion and a shank portion. Said head portion includes first and second arrowhead shaped portions, each said arrowhead shaped portion having a neck portion, said arrowhead shaped portions being positioned in a head to tail relationship. Said shank portion includes first and second slots, said neck portion of said first arrowhead portion being adapted to engage a said first slot, said neck portion of said second arrowhead portion being adapted to engage a said second slot.

Abstract: An insert and a tailgate cable assembly incorporating the same. The tailgate cable assembly is a cable having eyelet connectors at each end and which is used to secure the sidewall of a vehicle to a rotatable tailgate. Fasteners extending from the sidewall and tailgate are received through apertures in the eyelets. At least one of the eyelets incorporates a removable insert that is rotatable between a first position, where the fastener may be either inserted or withdrawn from the eyelet, and a second position where the insert locks the fastener within the aperture in the eyelet. The insert is a “C”-shaped member that interlocks with the eyelet's interior peripheral surface surrounding a portion of the aperture.

Abstract: A bendably pliant fastener may be removably associated with a minor portion of a garment to be fastened. The fastener has an elongated, bendable body. The body has a first end along a longitudinal axis and an opposite second end. A first portion of the body engages a self-engaging minor portion of the garment when the faster is in a first position, and the garment is self-engaged in a desired configuration when the fastener is in a second position. The body may also have a self-engaging second portion wherein the fastener body is positionable between a disengaged position wherein the garment is unfastened, a self-engaged position wherein the garment is in a desired configuration, and the fastener is removable from the garment.

Abstract: Flexible strips of a garment closure are injection molded around skeletons of the more rigid fastener members which are held together by ligatures embedded in the strip material. The closure members are of the snap/hook-type.

Abstract: A weld button for garments, i.e. a button, snap or interlocking fastener has fastener halves on two parts of a garment which are releasably joined and in which each of the fastener halves is affixed to the garment by welding two parts of the respective fastening half together.

Abstract: The invention provides a termination for a wire rope made by a process of inserting one end of a wire rope into a mold and placing a crucible with a crucible opening over the mold. The mold opening is in fluid communication with the crucible opening. Exothermic metallic material is added to the crucible. The exothermic metallic material is ignited forming a molten material. The molten material flows into the mold around the wire rope forming a termination capable of sustaining a higher break force than the wire rope. The invention also provides a termination for a wire rope made by a process with an adhesive. The termination provides a socket for connecting wire rope to various types of equipment. The socket can include one or more frustroconical wedges for securely holding the wire rope and the termination in the connector. The socket body can also include a protection sled and various ways to connect to the equipment.

Abstract: A reclosable fastener strip for securing to a film web comprises first and second elongated profile strips having interlocking hooks, recesses and protuberances. Each hook, as extruded, has a half arrowhead-shaped tip, a concave or partial-concave tail, and a generally upstanding neck connecting the tip and tail. Each recess has a base with a pair of generally upstanding neck elements disposed on opposite ends of the base. The base does not extend laterally beyond the neck elements. Each protuberance, as extruded, has a rounded tip, a concave or partial-concave tail, and a generally upstanding neck portion connecting the tip and tail. The profile strips are readily secured to the web without entrapping air between the profile strips and the film web and form an vacuum tight seal. The interlocking hooks, recesses and protuberances are sized, constructed and arranged to provide a vacuum tight seal upon interconnection thereof.

Abstract: A zipper pull for an invisible zipper includes a housing having a recess on an inner surface thereof. The recess is configured to receive at least a portion of a slider of a zipper. The pull remains stationary with respect to the slider when not in use. Leading and trailing ends of the housing have sloped surfaces that are configured to be grasped by fingers of a user.

Abstract: The invention provides a bottom end stop for a slide fastener having a sufficient strength and an excellent appearance, wherein bottom ends of fastener stringers provided with a first and a second member are inserted through shoulder mouths of a slider; the first and the second member slide along flanges of the slider respectively; while the first and the second member are rotated in the direction of approaching each other, coupling of a pair of coupling heads and coupling concave portions formed on opposing faces of the first and the second member can be carried out, also coupling of coupling heads and coupling concave portions can be carried out; and further, by setting the length of the second member having no engaging portion with a fastener element to be shorter than the length of the first member, rotation of the first and the second member can be carried out smoothly.

Abstract: A processing device and a method of applying the same for processing a coated or uncoated fibrous web are provided. The device comprises a belt configured to extend around a guiding element, at least one counter-element being disposed outside said belt to establish a contact area with the belt, such that the belt and the counter-element establish therebetween a web processing zone for passing a web to be processed therethrough. The processing zone length is defined by the disposition/adjustment of the belt's guiding element and/or by the design of the counter-elements. The contact pressure applied to a web in the processing zone is configured to be within the range of between about 0.01 MPa and about 70 MPa.

Abstract: A processing device and method applying the same for processing a coated or uncoated fibrous web is provided. The device comprises a belt configured to extend around a guiding element, at least one counter-element being disposed outside said belt to provide a contact area with the belt, such that the belt and the counter-element establish therebetween a web processing zone for passing a web to be processed therethrough. The processing zone length is defined by the disposition of the belt's guiding element and/or by the configuration of the counter-elements. The contact pressure applied to a web in the processing zone is within the range of between about 0.01 MPa and about 200 MPa.

Abstract: A structuring needle for treating a fiber web by repeatedly penetrating thereinto, includes a shank, a working-part tip constituting an end of the shank and a multi-branch recess formed in the working-part tip. The multi-branch recess is composed of a plurality of generally groove-shaped branches. At least some of the branches are oriented to one another at an angle other than 180°.

Abstract: A process for forming a tampon having a relatively high density, compressed core and a plurality of lower density longitudinal ribs is disclosed. The longitudinal ribs have a softer fiber structure and a coarser capillary structure and extend radially from the core. The process includes forming a fibrous tampon blank, radially pressing a circumferential surface of the blank over spaced apart longitudinally extending portions to form spaced apart ribs, exposing the longitudinal ribs to a radially applied second pressure to form a tampon having a relatively high density, compressed core and a plurality of lower density longitudinal ribs extending therefrom. The longitudinal ribs are separated one from another by outwardly open longitudinal grooves, at least where they extend from the core, and they form a soft, essentially smoothly cylindrical outer surface of the tampon.

Abstract: A method for manufacturing the dielectric ceramic layer and the internal polar layer of the multiple layer ceramic capacitor by the vacuum sputtering process in which the dielectric ceramic layer and the internal polar layer of the MLCC has a finest thinness of 1˜5 ?m for the dielectric ceramic layer and 0.1˜0.5 ?m for the internal polar layer. Comparing the size and the voltage resistance with the MLCC formed by the traditional dot blade method—both the dry process and the wet process, the MLCC produced by the vacuum sputtering process is finer and thinner; comparing the layer number and the capacitance with the MLCC formed by the tradition dot blade method, the MLCC produced by the vacuum sputtering process has greater layer number and larger capacitance in the same size. When comparing with the layer number and the capacitance, the MLCC formed by the vacuum sputtering process has lesser layers.

Abstract: Apparatus for manufacturing a bedding foundation having a base and a wire grid of support wires comprises at least one vertically moveable staple gun having a staple head and a wire positioner associated with the staple head, the wire positioner being configured to engage one of the support wires and to position the one support wire relative to the staple head such that upon activation, the staple gun staples the one support wire in the intended position to the base.

Abstract: A tool for installing oil or grease seals. The tool includes a cup member with a driving handle at the top thereof. Various sizes of a seal installing member are provided and all have the same upper cylindrical portion with the lower cylindrical portion being of various sizes, depending on the seal with which it is to be used. The tool also includes a pair of extension sleeves, one with an internal rib and the other with an external rib for supporting the cylindrical portions of the sleeve and the installing part when assembled. Each of the second parts and the sleeves include locking pins or slots for receiving the locking pins. The working portion of the tool is the lower annular end face and the cup-like top portion includes a closed face on the top for supporting the tool or one of the extension sleeves.

Abstract: A support assembly useful in aligning and mounting a garbage disposal to the drain fitting of a sink includes a base provided with a vertical tube segment supporting a nut assembly threadably engaged to a rod partly received in the segment with the upper rod end supporting an adapter conformed to the disposal. An offset bar fixed to the rod exterior engages a lateral recess on the segment to fix the rod in rotation as the nut assembly is turned. The assembly may include rods of differing lengths and adapters of various forms.

Abstract: Methods and apparatus are presented for repairing a damaged vehicle frame section, as well as repair weldments for vehicle frames. The repair apparatus comprises two or more repair sleeve structures with inner surfaces generally conforming to outer surfaces of frame segments that are to be joined, where the sleeve structures are adapted to be located along portions of the frame segment outer surfaces, leaving two or more gaps that expose portions of the frame segment outer surfaces between the repair sleeve structures, so that the repair sleeve structures can then be welded to the frame segments along the gaps.

Abstract: Apparatus and methods for manufacturing operations using non-contact position sensing are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece, a carriage assembly moveably coupled to the track assembly and moveable relative to the workpiece, and a position sensor. The position sensor includes a sensor element adapted to detect at least one edge of an index feature on the workpiece from a distance away from the index feature. In an alternate embodiment, the position sensor may include a sensing circuit that receives an analog signal from the sensing element and provides both analog and digital output signals. In another embodiment, a controller that controls manufacturing operations may be mounted directly on the carriage assembly.

Abstract: A method for joining pipe-shaped articles, comprising butting pipe-shaped articles comprising a resin member by abutting respective end parts thereof together directly or through a flange comprising a resin member or by inserting the end parts into a fitting comprising a resin member, or in this abutment or insertion, while disposing a laser light absorber between the end parts of the pipe-shaped articles or between the end part(s) of the pipe-shaped article(s) and the flange or fitting; at least one end part of the pipe-shaped article or the flange or fitting comprising a resin member having transparency to laser light; at least one end part of the pipe-shaped article or the flange, fitting or laser light absorber comprising a resin member having absorbency for laser light; and irradiating laser light on a portion contacted by the end part of the pipe-shaped articles, the flange, the fitting or the laser light absorber, thereby laser-welding them.

Abstract: The present invention involves a system and method for producing bimetallic pipe. In one embodiment of the present invention, the method includes inserting an inner shell into an outer shell and reducing the outer shell to securely engage the inner shell by drawing the outer shell and inner shell through a die without the use of a mandrel placed in the inner shell. In another embodiment of the present invention, the method includes inserting an inner shell into an outer shell and reducing the outer shell to securely engage the inner shell by sizing the outer shell using at least one roller stand.

Abstract: Conical plugs (1) are provided which are foamable and may be placed in incompletely filled holes in structures to prevent corrosion over time; preferably the plugs are made of a foamable material which can be foamed in the e coat oven used in automobile manufacture.

Abstract: The invention relates to a method and casting roller plant for the semi-endless or endless rolling by casting of a metal, in particular a steel strip (1a), which may be transversely separated as required after solidification. The casting strip part lengths (20) are fed to a roller furnace (2) for heating and equilibration at the rolling temperature and the partial lengths (20) for rolling out are fed to a rolling train (3) for rolling, whereby the strip casting is continued uninterrupted during the rolling operation. According to the invention, a closer matching of the strip casting and the rolling can be carried out, whereby the casting speed (Vc) is reduced for a roller change such that between the end of rolling a preceding multiple length (21) and the insertion of a new partial length (20) or multiple lengths (21) into the rolling gear a sufficient buffer time for a roller exchange is provided.