Abstract: A module housing is adapted to be inserted into an operating position in the trigger group receiving area of a firearm. The module housing includes at least one pin receiver defined by two openings formed in the module housing, one on each lateral side of the housing. A module or temporary pin is received in the pin receiver and at least one trigger group component is mounted or supported for rotation on the module pin. The pin receiver is located on the module housing so as to align with a pin receptacle of the firearm when the module housing is in the operating position. By locating the pin receiver in the module housing so as to align with a corresponding pin receptacle of the firearm when the module housing is in the operating position, the trigger group module and the trigger group components housed in the module housing may be readily supported by the OEM pin receptacle.

Abstract: A blocking device is provided for a firearm barrel. The blocking device has a cover member, which may be substantially moisture-proof and may be embroidered, embossed, or silk-screened. The cover member has a closed end and an open end, the open end receiving an end of the barrel. A retaining device is affixed to the cover member and releasably holds the end of the barrel in the closed end of the cover member.

Abstract: A firearm (10) constructed in accordance with the principles of a preferred embodiment of the present invention and configured for firing large caliber ammunition at precisely defined targets at long range is disclosed. The firearm (10) broadly includes a stock (12), a receiver (14) supported in the stock (12), a barrel (14a) threadably coupled to the receiver (14), hardware (16) associated with the receiver (14) for firing ammunition through the barrel (14a), a scope (18), and a scope-mounting base (20) coupled to the receiver (14) for mounting the scope (18) thereto in the line of sight. The base (20) includes a mount (24) adapted to be fixed to the receiver (14), an adjustable recoil lug (26) for anchoring the base (20) relative to the receiver (14), and a pair of ring clamps (28 and 30) for coupling the scope (18) to the base (20).

Abstract: An offset sighting device for a weapon such as an M16 rifle for use with an NBC mask or equivalent. The sighting device includes front sight, rear sight, and a mechanism for supporting both. The site support includes a bracket, and a front sight support arm pivotally connected to the bracket to permit the front sight to be moved from a closed position adjacent to the bracket to an operational position. The sight support further includes a rear right support arm pivotally connected to the bracket to permit the rear sight to be moved from a position adjacent to the bracket to an operational position in alignment with the front sight. The sighting device also includes a mechanism for attaching the bracket to the rifle.

Abstract: An apparatus for mounting a device, such as an illumination device or a collection device, to a weapon is provided. The apparatus comprises a mounting member configured to couple with the device and with the weapon in order to mount the device to the weapon.

Abstract: A hand held game fowl decoy comprising a generally flat body having opposed substantially parallel surfaces of contrasting color or brightness. The body includes a first rigid portion and a second rigid portion having a peripheral outline generally to provide roughly a silhouette of a game fowl's wing. The body is hinged along a hinge line which forms the junction between the first and second body portions. A handle adapted to be held in the hand of a hunter extends from the first body portion. Repeated movement of the handle by the hunter effects swinging of the second body portion relative to the first portion about the hinge line alternately making visible to the game fowl being hunted the contrasting color or brightness of at least the second body portion and simulating the flapping of a fowl's wings.

Abstract: An automated fishing line jigger, comprising a rotatable member adapted for rotation-such that fishing line associated with the rotatable member is jigged as the rotatable member rotates. An electromagnet operatively connected to the rotatable member, the rotatable member having a first position and a second position such that in the first position the electromagnet is energized causing rotation in a first direction and in the second position gravity causes rotation in a second direction opposite the first direction.

Abstract: A system for use with fishing lures that allows partial release of the lure upon becoming snagged. The lure is attached to a fishing line at a head end and by way of a line extension leader at a hook end. The line extension comprises a heavy gauge leader extending the length of the lure. A fish decoy is permanently affixed to the line at a hook end, and releasably attached at a head end. A line attachment clip provides three attachment loops, one of the loops being a resilient, releasable leg. The line attachment clip has a line loop to which the fishing line is securely attached, a leader loop to which the leader is securely attached, and a releasable leg to which the head eyelet of a lure is attached. Upon application of sufficient force, the head eyelet is released so that the lure becomes inverted, allowing is to be freed from a snag and reeled in with the hooks in the opposite orientation.

Abstract: A fly trap includes a cylindrical side wall made of a mesh material; a bottom wall located proximate (i.e., “at or near”) the bottom end of the side wall; a top wall located proximate the top end of the side wall; a conical entry conduit extending from proximate the bottom wall and providing an entry path to the interior chamber of the fly trap; and a lure holding device for holding a fly lure composition beneath the bottom opening of the entry conduit. The entry conduit may include an extending flange member that forms at least a portion of the bottom wall of the trap. Preferably, the top wall and/or some other part of the fly trap includes a light reflecting device, such as a prism or reflector, to help attract attention to the trap in the daylight. Also, to help attract attention to the trap at night, one or more surfaces may be coated with or constructed from a material that glows in the dark (e.g., a powder containing a commercially available phosphorescent material).

Abstract: A plant container liner or blank therefore includes a first layer of dry or at least substantially dried plant material and a water resistant layer. The water resistant layer may be disposed between the first layer and a second layer of plant material. An appropriate shape of the blank has a base section and an arcuate section associated with the base section. The arcuate section is adapted to fold about the base section to form a continuous wall in a three-dimensional form of the liner. In one embodiment, the blank may include a base section, one or more wall sections, and connectors in the form of extension tabs, flaps or lips. The connectors facilitate attachment of the base section and the wall section(s) together wherein, in the three-dimensional form of the liner, the extension tabs, flaps or lips overlap with each other or other portions of the blank.

Abstract: A window having a frame, two fixed jamb liners, a sash, and two hinged weatherstrips. The fixed jamb liners are secured to the frame such that they do not move laterally with respect to the frame. The hinged weatherstrips include a rigid sash bearing member hingedly connected to a second member. The sash bearing member is capable of moving laterally toward and away from the fixed jamb liner such that it provides an effective seal between the sash and the fixed jamb liner.

Abstract: A door includes a U-shaped frame having opposing side channels. The channels include peripheral, inner and outer walls with the inner wall being of a larger size and configuration than the outer wall. A glass insert slightly smaller than the size of the inner wall is inserted therethrough and is guided to a centered position seated upon the outer wall. An open frame insert is slid into the two side channels, and a plurality of opposing pairs of walls deflect the open frame insert into bearing engagement with the glass insert. A peripheral edge of the open frame insert defines a peripheral channel with a terminal edge of the door frame inner wall for receipt therein of a peripheral securing boss of an elastomeric peripheral seal.

Abstract: A tent is provided with an inflatable support structure having a manually operated inflation pump associated with the inflatable support structure and the tent. The pump is fixedly attached to the tent such that the tent and the pump form a single, integrated unit. The pump is preferably movable between a storage position and a use position. While in the storage position, the pump is also preferably is hidden or camouflaged by the tent environment. The tent structure may also be enhanced with sound capabilities for increasing enjoyment and use of the tent.

Abstract: A tie-down apparatus for building structures, including mobile homes. The structure is constructed with a plurality of structural members including channel members disposed therein. In one embodiment, channel members are formed in both the roof structural members and the sidewall structural members. A tie-down cable is disposed within the channels and the two terminal ends thereof releasably engaged with hooks. The hooks are further attached to ground anchors located within the ground adjacent structural sidewalls. A tensioning mechanism is disposed near one terminal and of each of the tie-down cables for simultaneously applying a tensioning force to the tie-down cables, that in turn directs a downward force on the roof structural members thereby retaining the roof in place during high wind conditions.

Abstract: The present invention provides an improved modular system for constructing a tubular structure. The improved system allows the tubing to be assembled and disassembled in a direction perpendicular to a centerline of the tubing without having to move the tubing along its centerline. The improved system allows the tubing to be positioned at various angles. The system also enables curved tubing to be used. In an embodiment, the structural system includes a hub and a connector that removably couples to the hub. The connector has a first end that couples to the hub and a second that defines a notch. One of the walls of the notch connects to a flange that may extend in one or two directions from the centerline of the connector. The connector and flange removably couple to one end of an adapter, which contains a mating notch, wherein the adapter receives a tube.

Abstract: The present invention is an improved building panel having increased strength and rigidity, thereby reducing present design constraints imposed upon buildings constructed of interconnected panels. The building panel includes notched inclined side walls extending from a central portion, wherein the notched portions are located between a neutral imaginary axis and the central portion. The notched portions have an open end and a closed end, wherein the open end faces away from the building panel. Including such notched portions within the inclined side walls provides the building panel with increased strength and rigidity, thereby allowing the building panel to withstand increased positive and negative bending moments. Thus, a building constructed of panels having such notched side walls will reduce the present design constraints and increase the size and shape of buildings constructed of such panels.

Abstract: In order to design an infrastructure of an elevated bridge, first a target ductility factor &mgr;d and target natural period Td for the infrastructure are set in connection with an assumed earthquake motion. Subsequently, a yield seismic coefficient for the target ductility factor &mgr;d and target natural period Td is obtained from a yield seismic coefficient spectrum for the assumed earthquake motion as a design seismic coefficient Kh. On the other hand, a target yield rigidity Kd corresponding to the target natural period Td is obtained. Subsequently, the design seismic coefficient Kh is used to obtain a design horizontal load bearing capacity Hd and a displacement corresponding to the design horizontal load bearing capacity Hd is obtained as a design yield displacement &dgr;d from the target yield rigidity Kd. Subsequently, the design horizontal load bearing capacity Hd is distributed into a horizontal force Hf to be borne by the RC rigid frame and a horizontal force Hb to be borne by the damper-brace.

Abstract: A mullion for providing structural support between a pair of adjacent window frames includes a first member having a planar section affixable to a first window frame, a first portion of a first coupler extending outwardly from the planar section of the first member, and a first portion of a second coupler extending outwardly from the planar section of the first member. The mullion also includes a second member having a planar section affixable to a second window frame, a second portion of the first coupler extending outwardly from the planar section of the second member and adapted to couple with the first portion of the first coupler, and a second portion of the second coupler extending outwardly from the planar section of the support member and adapted to couple with the first portion of the second coupler.

Abstract: An extrusion moulded, preferably ceramic, facade panel (11) for a curtained, back-ventilated facade construction consists of a front and a rear panel formwork (12, 13) which are connected to one another by webs (14) and are provided with elongate apertures (15) which are arranged parallel to the webs (14) between the same and which is provided with a top rabbet (16) at the upper end of the facade panel (11). To allow the facade panel to be manufactured at a more favorable cost and with more precise dimensions, the height (17) of the top rabbet (16) formed by the rear panel formwork (13) is smaller than or equal to the height of the joint (19) visible from the front side (18) of the facade.

Abstract: A tensioned structure such as a house is disclosed. The house includes at least one wall panel placed under tension by bending the wall panel from a flat form to a curved form. The tension provides rigidity and thus strength to the wall panel. In a preferred form, the house includes two tensioned wall panels with the concave faces of the wall panels confronting each other such that a generally circular residential house is formed. A counter to oppose the tension engages the wall panels. The counter may include a roof or rafter support network, a portion of the floor or floor support, the wall panels themselves where the end edges of the wall panels are engaged to each other, or stainless steel straps running about the wall panels. The wall panel may be include material such as oriented strand board, steel, cement, plastic, or organic material such as grass.

Abstract: A tape-on drywall accessory includes an elongated metal core strip with a longitudinal arcuate nose and a pair of flanges extending outwardly from the nose. A cover strip of paper is bonded to the exterior surface of the core strip, and includes wings that project outwardly beyond the extent of the flanges. The cover strip is formed of a non-latex-bearing stock paper having high pick resistance and which is dimensionally stable and has high peel bond strength when in contact with wet joint compound.

Abstract: A bamboo tile for decoratively covering a structure wall in a side-by-side arrangement and presenting a natural surface texture of a longitudinal section of a bamboo stem with at least one circular node, while minimizing the amount of bamboo waste. The bamboo tile includes a first generally planar layer formed by elongated sectors axially split from the bamboo stem and sequentially disposed in generally parallel relationship relative to each other to integrally reproduce the natural texture of the outside cylindrical surface of the bamboo stem section developed there into. A retaining wire inserted into transversal and registered through bores made into the successive sectors maintains the latter in the sequential relationship relative to each other. The present invention also refers to a method for manufacturing the above bamboo tile.

Abstract: Improved insulating structural cores for use in self-aligned and leveled insulated drystacked block. Interlocking tongues (10a, 10b, 10c, 10d) join with corresponding receiving recesses (14a, 14b, 14c, 14d) when block and cores are laid in vertical succession. The interlocking tongues (10a, 10b, 10c, 10d) and receiving recesses (14a, 14b, 14c, 14d) connect to create a continuous thermal barrier between each block course. The face of relatively smaller insulating structural cores may be molded to create a continuous chase or conduit channel (18a, 18b, 18c).

Abstract: A seam plate for use in connection with securing membrane sheets to underlying roof decking substructure comprises a substantially rectangular plate having a central aperture for receiving a bolt fastener. Upstanding rib structure is provided upon the plate so as to provide different regions thereof with different rigidity, flexibility, and bendability properties. The rib structure can have, for example, a substantially diamond-shaped configuration or an X-shaped configuration for respectively providing corner regions of the plate with increased or decreased flexibility. A plurality of downwardly extending projections, having substantially V-shaped cross-sectional configurations, are provided upon the underside of the seam plate so as to engage the membrane sheets and retain the same at their desired locations upon the underlying roof deck substructure assembly.

Abstract: A frame for a partition system and a component of the frame are disclosed. The component automatically and evenly tensions a fabric about a partition panel. The component of the frame includes a support element and a lockable element. The support element defines a cavity that receives and supports the panel. The lockable element extends from the support element and supports the fabric that is to be tensioned about the panel. Also, the lockable element is moveable relative to the support element. The component further includes an integral hinge between the support element and the lockable element. The integral hinge enables the movement of the lockable element relative to the support element. As a result, the fabric supported on the lockable element is automatically and evenly tensioned about the panel upon the movement of the lockable element. The component also includes a backing strip to protect the fabric from the integral hinge.

Abstract: A slab bolster upper for supporting rebar in a reinforced concrete structure while the concrete is poured and thereafter cures, is of molded plastic construction and is formed with horizontal and vertical voids that facilitate concrete placement and break up potential shear planes. Opposite ends of each unit are provided with complementary buckles to interconnect with like units to form a continuous support of desired length.

Abstract: A beam for a grid in a ceiling that has drywall affixed to the grid by self-tapping screws. The beam has a hem rolled downwardly and inwardly along the edge of both flanges of the beam. The hem prevents the flange from bending upward and sliding off the screw tip. The screw tip enters one of many indentations in the flange and is captured. The captured screw tip penetrates the flange and secures the drywall to the beam. The beam does not have a face cap over the flanges.

Abstract: An elongate form tie extender aids insertion of form ties in form panel structures for thinner concrete walls. The extender passes through form tie holes and has fastening structure at one end to interconnect a form tie. For use a first form panel is established in forming position and form ties are fastened therein extending toward a second panel established in a temporary position spaced to allow a workman to move between the panels. Form tie extenders are interconnected on form ties in the first panel with one end in paired cooperating form tie holes in the second panel. The second panel is moved to forming position adjacent the first panel with form ties extending between the panels. The form tie extenders are removed and the form ties fastened on the second panel.

Abstract: An agricultural baler for making cylindrical bales of crop material has a sledge assembly moveable between bale starting and full bale positions. The sledge assembly includes a plurality of rollers which cooperate with an apron to define a bale forming chamber. A mechanism is linked directly to and moves with the sledge assembly for dispensing sheet material into the bale forming chamber where it is wrapped around a cylindrical bale of crop material. A simple assembly operated by an actuator piston that moves with the sledge rollers is used to initially feed the wrap material between the sledge rollers and the crop material and then to withdraw the dispenser when the bale is wrapped while simultaneously cutting the wrap material from its feed roll.

Abstract: A packing apparatus which includes a feed conveyor adapted to convey articles to a pick up station and a case conveyor adapted to sequentially convey cases, having an open top and a plurality of flaps, to a feed station. Pick up and grid heads are provided and are adapted to pick up successive slugs of the articles at the pick up station and to sequentially deposit the slugs in each of the cases while they are in the release station. A removal conveyor is provided to successively receive the slug filled cases from the release station and pass them onto a case sealing apparatus which is arranged over the removal conveyor and is operative to apply an adhesive to certain of the flaps and to then move the flaps over the open top into a secured closed position.

Abstract: A method for securing thermoplastic pour spout fitments 22 to thermoplastic-coated containers 20, wherein at least a surface of the pour spout fitment 22 is heated remotely at heating stations 42-46 to a temperature significantly below the melting point of the thermoplastic fitment. When the heated fitment surface is applied to a selected surface of an erected, thermoplastic-coated container 20, the heat energy is transferred to the latter surface to an extent capable of activating the thermoplastic coating thereon. Upon cooling, the fitment 22 and the container surface are bonded together.

Abstract: A method of wrapping an object with a heat-shrinkable material. A sheet of the heat-shrinkable material is heated to its frosting temperature and then fitted around the object like a sleeve so that leading and trailing ends of the sheet overlap and are welded together. The object and the sleeve are allowed to cool to shrink the sleeve onto the object.

Abstract: The method for forming a container that comprises the following stages: the forming of the sidewall blank from a blank by wrapping it in a form that is closed in its horizontal section and by seaming its opposite edges together; the sealing of the sidewall blank at one end with a lid member, which is equipped with a discharge hole; the sealing of the sidewall blank at the other end with a bottom member; and the filling of the container. At first the lid member, the discharge hole of which is completely sealed with an openable closing member, is inserted into the end of the sidewall blank. Thereafter the container is filled through the end of the sidewall blank that was left open, and the container is sealed to form a tight container by sealing the end that was left open with the bottom member.

Abstract: A method for making a chemically inflatable gas bag using technical grade acetic acid, water, and sodium bicarbonate is provided. The method includes pouring diluted acetic acid into an HDPE bag, putting sodium bicarbonate into a PVA bag, sealing these bags, and placing these bags within a nylon/PE bag. The method further includes folding the gas bag in such a manner so that it easily inflates and completely seals the borehole.

Abstract: A vertical stand-up pouch or flexible package, and method for manufacturing same, constructed by modification to existing vertical form and fill packaging machines. The invention involves producing a vertical stand-up pouch from a single sheet of packaging film by creating a vertical crease along one edge of a packaging film tube prior to forming a transverse seal on the tube. Said vertical crease is formed using a stationary tucker bar positioned outside the packaging film tube and between two forming plates positioned inside the packaging film tube.

Abstract: An apparatus for forming and containing a series of waste containing packs successively distributed along a length of flexible tubing is formed of a housing with a top portion displaying an opening to receive waste material therein and of a cassette containing a package of a flexible pleated tubing and so constructed as to enable the tubing to be dispensed therefrom downwardly into the opening. The apparatus includes a tubing pulling device rotatably mounted to the housing and including an attachment for securing one end of the tubing and an arrangement to receive the tubing in a wraparound manner when the pulling device is rotated and to form waste containing packs. The arrangement defines folds between successive packs to compress the tubing at the folds to seal the packs. The pulling device is removably mounted to the housing so as to enable the disposal of the waste containing packs from the pulling device.

Abstract: Apparatus that uses the burster method for positioning coupons from a continuous web at a predetermined time at a predetermined location for insertion is disclosed. Positioning rolls define a bight to receive the leading edge of a coupon and are driven by positioning drive assembly. A feed drive assembly advances coupons to the positioning rolls. Sensors actuate and deactuate the feed drive assembly in response to the presence of a container at a selected position and the presence of a coupon at another sensing position.

Abstract: A soft pack for cigarettes comprises a, for example, carton-form wrapper made of paper or similar packaging material. Folding tabs, namely border strips (18 and 19) on the one hand, base tabs, namely longitudinal tabs (24 and 25) on the other hand, and also a band (or revenue stamp) (32) are connected to one another or to the pack by adhesive bonding, use being made of hot-melt adhesive which is applied in the correct position to a material web for producing blanks for the packs, is set and, once the folds or packs have been completed, is reactivated by heat. The relevant folding tabs or band are/is respectively connected to one another or to the pack by pressure.

Abstract: A combined baling and wrapping apparatus for use in picking up crop material lying on the ground, forming the material into a bale, and applying stretched film wrapping to enclose the bale, said apparatus comprising: a frame; a film reel carrier mounted on the frame to rotate around the bale, said carrier extending at least partly around the bale when seen in plan view; a guide mounted on the frame and defining an orbital path of movement for the carrier around the bale; and, at least one holder for a film dispenser reel mounted on said carrier and rotatable around the bale during rotation of the carrier so that, when a bale has been formed in the chamber and the housing has been moved to the inoperative position, a dispenser reel, when mounted on the carrier, can apply stretch film wrapping to the bale simultaneously with rotation of the bale by the lower bale-forming means.

Abstract: A ring member (10) of reinforced plastic construction for a wrapping machine, said ring member comprising a box-shaped portion (15) having a plurality of reinforcing fibre layers so arranged that the fibre directions are varied so as to achieve a sufficient strength and flexural rigidity, and a core part (17) of cellular plastic. The walls (14) of the box-shaped portion may deviate from a vertical or horizontal plane, and the wall may be provided with one or more flanges (16) oriented in a direction outward from the ring member or toward the center of the ring member. The box-shaped portion is preferably made of carbon fibre and epoxy resin, and the core part inside the box-shaped portion is of foamed polyurethane plastic. Inside the reinforcing plastic layers of the box-shaped portion it is also possible to laminate a steel reinforcement (18), to which a wrapping film feed apparatus (20) and possibly support rollers are fastened.

Abstract: A mechanism is provided for engaging and disengaging the reverse operation of a feederhouse of a harvesting apparatus. The mechanism solves the problem of accurate engagement between the shift collar or driving element and the reverse gear, teeth or splines and the forward gear, teeth or splines of the feederhouse transmission. The mechanism comprises an actuator, electrically controlled, which loads or compresses a spring, wherein the spring exerts a shifting force on a shift shaft or shift fork of the gearbox which automatically moves the shift collar or driving element of the transmission into either a forward or reverse drive position when the gear, teeth of splines of the shift collar is aligned or meshed with the gear, teeth or splines of either the reverse or forward drive of the feederhouse transmission.

Abstract: An outdoor power equipment unit, such as a lawn mower, is supported for rolling over the ground by a plurality of ground engaging wheels, including a pair of front caster wheels. A ground or turf grooming or working implement, such as a cutting deck, is supported on the outdoor power equipment unit. Removable counterweights can be dropped down or lifted off the tops of the caster wheels. This places the counterweights as far forwardly as possible which is useful when balancing the weight of a rear mounted accessory. In addition, the counterweights can be installed and removed without using a mounting bar or other mounting hardware on the outdoor power equipment unit.

Abstract: A lawn mower blade assembly comprises a bottom hub and a top hub, both provided with central apertures. Provided around the bottom and top hubs are a plurality of equally spaced holes. An intermediate plate is coupled between the hubs. A plurality of generally V-shaped recesses open into the periphery of the hubs. A plurality of blades are provided, each having interior and exterior portions. A hole is provided through the interior portion. The exterior portion is flexible. The interior portion is adapted to fit in the V-shaped recesses of the intermediate plate. A plurality of bolts are adapted to pass through the aligned holes of the hubs and the blades and with hex nuts adapted to receive the pivot bolts. A lock bolt, having a head and threaded end is positioned through the apertures of the cutting assembly to removably couple with the threaded aperture of the drive shaft.

Abstract: A combination rake and material-spreading tool includes an elongate handle, a raking implement attached to an end of the handle, and a material-spreading implement. The material-spreading implement includes a substantially continuous plate that is moveable between a retracted position in which the material-spreading implement exposes the rake tines for normal raking operations and a fully deployed position in which the material-spreading implement is positioned with a lower edge of the substantially continuous plate positioned proximate distal free ends of the tines. An actuator is mounted on the handle, and a mechanical linkage operably connects the actuator with the material-spreading implement, whereby positioning of the material-spreading implement is achieved by manipulation of the actuator.

Abstract: Two flat fiber bundles of non-twisted filaments are arranged in an overlapped relationship or in a parallel and adjoining relationship, and held by a gripper at two points spaced apart from each other in the filament-extending direction. Compressed air is injected from a nozzle to the overlapped portion of the fiber bundles between the holding points at a plurality of positions arranged in the direction transverse to the filament-extending direction to cause the adjacent filaments to be entangled. The nozzle is moved across the fiber bundles while injecting air. Filaments are thus opened and rotated by the injected air, and thus entangled. A fiber bundle joining apparatus includes support sections and a receiving section provided in a base, a gripper cooperating with the support sections to grip overlapped ends of fiber bundles therebetween, a nozzle, and a regulating member to temporarily hold the fiber bundles and to allow the lower fiber bundle to be slackened.

Abstract: A process for combining singles yarns, of different colors or dyeabilities, to form an apparent twist yarn. The process includes the sequential steps of individually and simultaneously drawing and texturing a plurality of singles yarns; converging the drawn and textured singles yarns through an air jet entangler that simultaneously entangles and tensions the yarn bundle; twisting the singles yarns in the yarn bundle about each other in alternate, or otherwise patterned, S and Z directions.

Abstract: It is the object of the invention to propose a method for open-end rotor spinning, wherein the formation of cover yarn, in particular the so-called “belly bands”, is at least appreciably reduced. In accordance with the invention, the fiber flow exiting a fiber guide channel has a directional component in the direction of rotation of the rotor, while the yarn leg (3) extending, from the draw-off nozzle to the rotor groove, is curved opposite the direction of rotation of the rotor, at least near the rotor groove (1), during the spinning process. The creation of this direction of curvature of the yarn leg (3) takes place during the piecing process.

Abstract: Turbojet powerplant with at least one compressor (1), at least one combustion chamber (2), a high-pressure turbine (3) and a low-pressure turbine (4), characterised in that a heat exchanger (5) is arranged between the compressor (1) and the combustion chamber (2), in that at least one hot-gas line (6) branches off from an area downstream of the high-pressure turbine (3) and is connected to the heat exchanger (5), and in that at least one cold-gas line (7) connects the heat exchanger (5) with an area upstream of the low-pressure turbine (4).

Abstract: A method and a device are described for controlling an exhaust gas aftertreatment system, in particular of an internal combustion engine. A special operation is intermittently carried out. The control and/or monitoring of the special operation is carried out as a function of a first quantity (O1) which characterizes the oxygen concentration in the exhaust gas upstream from the exhaust gas aftertreatment system, and a second quantity (O2) which characterizes the oxygen concentration in the exhaust gas downstream from the exhaust gas aftertreatment system.

Abstract: A control (30) for controlling a variable valve actuation mechanism (26) of an internal combustion engine (10) to regenerate a NOx adsorber catalyst (35) in the exhaust system (22) of the engine. The control comprises an operating program (50) for regenerating the catalyst while the engine is running under its own power by causing the variable valve actuation mechanism to change the timing of operation of the intake valves (18) so as to transition the fuel-air ratio of mixture that is being combusted in the cylinders (16) from a relatively leaner mixture to a mixture that sufficiently richer than stoichiometric to effectively regenerate the catalyst.