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| Number | Title | Issue Date |
| 4997205 | Multi-sheet folded printed product and method of producing the same To readily open up a multi-sheet folded printed product comprising at least two folded printed sheets or signatures which are placed one inside the other, there is provided an innermost printed sheet which is of greater length at the center in the directi... | 03/05/1991 |
| 4974302 | Apparatus for continuously crimping thermoplastic filaments For continuously crimping thermoplastic filaments, a filament bundle is blown by a jet nozzle into a stuffing chamber of a texturing wheel to produce a crimped filament bundle in the stuffing chamber. The stuffing chamber has a receiving zone, a treatment... | 12/04/1990 |
| 4970767 | Heatable controlled deflection roll A heatable controlled deflection roll contains hydrostatic support elements, each of which is supported in a pressure chamber and displaceable in a predetermined support or pressing direction. Heating of the rotatable roll shell or jacket of the controlle... | 11/20/1990 |
| 4970803 | Method for drying sludge A sand layer is fluidized by a gas stream or current in a fluidized bed dryer and indirectly heated by immersed stationary heat-exchanger tubes. The sludge to be dried is continuously fed under pressure in a pumpable conditon from above onto the fluidized... | 11/20/1990 |
| 4970855 | Method and apparatus for piecing a reserve feed stock with a production feed stock The method and apparatus for supplying a reserve feed stock to a spinning machine or spinning position thereof, contemplates monitoring the operational state of a production feed stock and upon reaching a predeterminate operational state thereof, such as ... | 11/20/1990 |
| 4969754 | Rotational bearing arrangement for high speeds of rotation A rotational bearing arrangement for high speeds of rotation comprises a casing and a shaft mounted therein at a first ball bearing and a second ball bearing. At least the first ball bearing is a radial shoulder ball bearing. The first ball bearing has a ... | 11/13/1990 |
| 4967653 | Calender having displaceable bearing parts Support of a nip relieving device to compensate for overhanging weights at an elevationally displaceable bearing part of an intermediate roll of the calender is effected relative to the stand of the calender by an elevationally displaceable support member... | 11/06/1990 |
| 4968525 | Method for production of friction spinning means There are formed at the wall of the friction spinning element bores or holes with a predeterminate bore diameter and a coating on their side facing a fiber feed duct, the coating extending over the bore edges into the bores or holes. Each bore or hole thu... | 11/06/1990 |
| 4965986 | Apparatus for forming, filling and sealing bag-type packages The invention relates to an apparatus for forming, filling and sealing bag-type packages. For certain filling products it is advantageous to "strip" or flatten the bag-type package prior to sealing, i.e. to ensure that the bag is volumetrically displaced.... | 10/30/1990 |
| 4964267 | Method and apparatus for piecing a reserve feed stock with a production feed stock A reserve feed stock is pieced with a production feed stock, particularly a roving of a ring spinning machine. The piecing operation can be accomplished by applying twist to predetermine portions of the reserve and production feed stocks and then releasin... | 10/23/1990 |
| 4965567 | Method of, and apparatus for, transmitting data in a manufacturing machine comprising a plurality of production stations The method and apparatus for transmitting data are used in a manufacturing machine, particularly a yarn manufacturing machine containing a plurality of production stations, a plurality of associated monitoring locations, a plurality of respective monitori... | 10/23/1990 |
| 4958817 | Operating table An operating table comprises a patient rest or support structure which is mounted at a rolling bearing, i.e. a bearing associated with the rolling motion of the patient rest or support structure. The axis of this rolling bearing corresponds with a rolling... | 09/25/1990 |
| 4959138 | Measuring probe for the potentiometric determination of ion concentrations A measuring probe in which the electrolyte is in the form of a highly viscous gel produced in situ from an ion-permeable polymer and a neutral salt suspension. Homogeneously suspended neutral salt particles in the gel cause the gel to have a turbid appear... | 09/25/1990 |
| 4955266 | Apparatus for detecting the density or thickness and variations thereof of fiber material at the infeed of a textile machine as well as for evening the density of thickness variations of fiber material at the infeed of a textile machine A fiber infeed device supplies fiber material to a textile machine, such as a card, and comprises a driven rotatable feed roll and feed plate. This feed roll is, however, spatially fixed, whereas the feed plate is pivotable but physically immobile during ... | 09/11/1990 |
| 4955163 | Method for production of involute gear tooth flanks A method is disclosed in which only one working point or machining point on a machining tool, which in general can comprise a grinding wheel or disc, is in machining contact with a workpiece such as a gear blank during a machining operation. The position ... | 09/11/1990 |
| 4955268 | Apparatus containing a work surface heated with a heat carrier medium The apparatus comprises a work surface heated by a heat carrier medium and located upon a heat-conducting layer carried by a metallic base body. The base body is provided with grooves at its surface confronting the heat-conducting layer and/or this heat-c... | 09/11/1990 |
| 4953686 | Balustrade for a transportation apparatus especially an escalator or a passenger walkway The balustrade for transportation apparatus, such as an escalator or a moving passenger walkway contains upright balustrade panels directly laterally guiding tread elements, such as steps or tread plates so as to dispense with both of the conventionally e... | 09/04/1990 |
| 4953802 | Method of mounting chuck structures There are disclosed one-piece chuck structures for use in winding machines and particularly, but not exclusively, for use in high speed winding machines for the take-up of synthetic plastics filament. These one-piece chuck structures comprise a first elon... | 09/04/1990 |
| 4954255 | Filtering apparatus with pleated filtering material The filtering apparatus comprises at least one filtering material pleated in fanfold formation and arranged between the inflow or upstream side and the outflow or downstream side. Each pleat open toward the inflow or upstream side possesses a rounded base... | 09/04/1990 |
| 4953443 | Device for the alignment of an aiming axis body at a target position The device comprises three rotational axes (7, 8, 9), whereby the first (7) and the second (8), counted from the axis of the target directed body, constitute a classical laying axis system, and a third rotational axis (9) between this laying axis system a... | 09/04/1990 |
| 4952874 | Position-reading system with switchable reading units for machine-tool parts rotatable through 360 The position-reading system for machine-tool parts rotatable through 360° renders possible accurate position determination by using a scale although there is present a measuring gap. This is achieved by the use of two reading units angularly offset at a ... | 08/28/1990 |
| 4952056 | Method of determining the autocollimation angle of a grating coupler The method relates to determining the autocollimation angle of a grating coupler comprising a thin waveguiding film and a diffraction grating. A laser beam is approximately normally directed to the diffraction grating which is mounted at a turntable. The ... | 08/28/1990 |
| 4951456 | Cap spinning device The cap of a cap spinning device comprises a thread introduction attachment in the top or upper region of the cap. In this thread introduction attachment there is arranged an inlet passage which is upwardly directed at an inclination and provided for the ... | 08/28/1990 |
| 4951547 | Endless storage and conveyor chain in an ammunition magazine During delivery of ammunition to a firing weapon from an ammunition magazine, in which the ammunition is arranged in an endless storage and conveyor chain, high acceleration forces occur, since the entire ammunition supply in the ammunition magazine must ... | 08/28/1990 |
| 4947522 | Mounting arrangement for a stationary flat of a carding machine The stationary flat of a card or carding machine having mounting flanges arranged at end surfaces of a carding cylinder is mounted at these mounting flanges by means of spring clips. Each spring clip is constructed as a resilient element comprising a radi... | 08/14/1990 |
| 4947521 | Combing machine The combing machine comprises a nipper unit possessing a bottom nipper and a top nipper which is pivotable relative to the bottom nipper about a pivot axle. An additional nipper is pivotable relative to the bottom nipper about a shaft or journal which ext... | 08/14/1990 |
| 4944033 | Communications system for an installation and method of controlling such installation An installation comprises two rows of closely adjacent material processing stations and a data-processing system to monitor and/or control the material-processing stations. The installation also has a travelling unit or tender to service the material-proc... | 07/24/1990 |
| 4939325 | Push-button multi-position switch In the stepping or indexing drive of a character drum having secured thereat a pinion, wherein there is provided an actuation plunger for rotary motion of the pinion in the one direction and another actuation plunger for rotary motion of the pinion in the... | 07/03/1990 |
| 4934133 | Method of producing a rotating air layer and false-twist air jet nozzle for practicing such method To improve the efficiency of a rotating air layer produced by an air injection nozzle and rotating in a substantially cylindrical space, the rotating air layer being intended to rotate a twisted fiber structure introduced through an inlet duct, there is p... | 06/19/1990 |
| 4935823 | Method of, and apparatus for, identifying a predetermined location within a data sequence on a record carrier for processing the data sequence The method and apparatus permits processing, for example, editing or synchronizing data sequences without using special marking devices and marking tracks for identifying preselected locations. For this purpose, a preselected partial data sequence is form... | 06/19/1990 |
| 4930950 | Apparatus for adjusting the drums of a bevel-gear cutting machine In addition to a generating drum, by means of which gear wheels to be maufactured according to the generating method are produced, the gear-cutting machine also comprises setting drums, particularly an eccentric drum, an orientation drum and an inclinatio... | 06/05/1990 |
| 4928353 | Method and means for effecting a controllable change in the production of a fiber-processing machine In order to effect a controllable change in the production of a fiber-processing machine there is changed the working width of the fiber-processing machine.... | 05/29/1990 |
| 4928896 | Traversing apparatus for traversing a longitudinally moving yarn which is to be wound up throughout a traversing stroke A yarn guide member is driven by an entrainment member in a predetermined direction of movement of a belt run of a belt with which there is connected the entrainment member. In a stroke reversal zone the entrainment member is reversed in its movement by t... | 05/29/1990 |
| 4927494 | Apparatus for preparing high-concentration alkali A high pressure evaporation vessel which is operated at a predeterminate pressure above atmospheric pressure, is connected to a low pressure expansion vessel which is operated at a predeterminate pressure below the pressure prevailing in the high pressure... | 05/22/1990 |
| 4922702 | Stopping device for fiber material, such as a silver, roving or slubbing in a textile machine and energy storage device The slubbing stopping device comprises a movable part having a magnet and a fixed part having a magnet. One of these magnets is an electromagnet and the other a permanent magnet. The movable and fixed parts can assume an operating position in readiness fo... | 05/08/1990 |
| 4921573 | Method of regulating the specific dispersion work for waste paper stock preparation for papermaking The method of dispersing a material containing waste paper by means of a dispersion apparatus and a dewatering machine, renders possible performing the material dispersion operation at essentially constant specific dispersion work even when encountering f... | 05/01/1990 |
| 4919728 | Method of manufacturing nonmagnetic drilling string components The method of manufacturing nonmagnetic drilling string components, especially heavy duty drill-stems for exploratory bores, e.g. for deposits of crude oil and/or natural gas deposits, such as directional bores or the like, includes the step of melting an... | 04/24/1990 |
| 4919036 | Arresting apparatus for fixation of an adjusted position To order to positively lock or arrest an adjusted position at a mechanical device, for instance the elevation position at a firing device, with negligible play, wherein there is fixed the position set by a hand wheel serving for adjustment of the elevatio... | 04/24/1990 |
| 4915789 | Apparatus for adjusting a diaphragm blade For uniform and regular adjustment of a diaphragm blade within the elastic deformability thereof, the diaphragm blade provided at the slice opening of a headbox of a papermaking machine is movable by means of adjusting elements driveable by adjustment mot... | 04/10/1990 |
| 4915254 | Closure unit made of sheet metal or plating, method of manufacturing such a closure unit and container having a closure unit obtained thereby The closure unit can be manufactured in a single deep-drawing operation. During the course of a predetermined stroke of the single deep-drawing operation, such as the downward stroke up to a lower dead-center position, a blank is punched out, a ring or ma... | 04/10/1990 |
