baber/WOPTO huggingface dataset:
Patent GB-1248716-A (GB)
Title: Associative storage systems
Inventor: WRONA STANISLAW
IPC: G11C15/04
Filed: 1970-06-16
Abstract: 1,248,716. Associative stores. INTERNATIONAL BUSINESS MACHINES CORP. 16 June, 1970, No. 29113/70. Heading G4C. An associative data storage system comprises two storage arrays interconnected such that one or more selected words from either one of the arrays can be applied to the other array as a search argument for accessing the other array. In a first embodiment with only two arrays as above, each storage cell is a 4-state cell (0, 1, " match anything ", " mismatch anything ") as in Specification 1,127,270 (referred to). Corresponding bit line pairs of the two arrays are connected through logic driver circuits which permit either array to be written into or interrogated using data read from the other array or inserted from outside, or either array to be read out to the other array or to outside. A second embodiment differs in having a matrix of arrays, corresponding bit line pairs being connected going down each column of this matrix and corresponding word/mismatch lines being connected going along each row. Logic circuits interconnecting adjacent arrays in the matrix are controlled by two pairs of control lines per row of arrays in the matrix. A ring counter reads out columns of auxiliary 4-state cells a column at a time, to at least partially control a column of latch circuits, some of which control a pair of the control lines (see above) each, and the rest of which each control and are partially controlled by a respective word/mismatch line from the matrix of arrays and control for read out a respective row of further auxiliary cells. Correspondingly positioned cells in these latter rows are connected by their bit lines in columns, each column causing the ring counter to skip a respective position or not according to the value read out.
Patent GB-303599-A (GB)
Title: Improved construction of steam dryer for boilers and the like
IPC: F22B37/32
Filed: 1927-11-02
Abstract: 303,599. Moynan, F. K. O. Nov. 2, 1927. Density separators. - A steam separator has a pipe A with a collar F connected to the flange N of an inverted bell M. Helical vanes H, I are arranged between the pipe A and bell M, and openings in the collar F permit the steam to enter. A conical plate G is fixed at the lower end of the pipe while the upper end has a nozzle B to fit the boiler steam outlet, and lugs D to secure the separator to the boiler drum E. All the elements are preferably cast in one unit. The steam enters through the openings in the collar F, passes down the helical path while water is thrown outwards to the casing M, and the clean steam passes through the openings L to the inside of the pipe A. The wall M has vertical corrugations to assist the separated water to drop below the plate G for discharge by the pipe P. In a modification four vanes are used instead of the two II, I and two separators are used, their outlets being connected by a box to a common outlet. In the modification shown in Fig. 6, the construction of the upper part of the separator is varied so that it can be connected in a pipe line. The apparatus can be used for the extraction of dust or grit from air and other gases.
Patent GB-1276744-A (GB)
Title: Electrophotographic developing process and apparatus therefor
Inventor: OHTA WASABURO
IPC: G03G15/10
Filed: 1969-06-10
Abstract: 1276744 Electro-photographic developing apparatus RICOH K K 10 June 1969 [10 June 1968] 29351/69 Heading G2H Liquid dispersed toner is pumped by a pump 40 from a reservoir 39 through a valve 41 and a tube 32 on to an image bearing sheet 33; the liquid contacting the sheet at the top of the fountain emitted by tube 32 i. e. in the region of the fountain where it returns downwardly under gravity. Tube 32 may have a line of discharge holes or a slit and these may be variable in size. Tube 32 may be earthed or electrically biassed.
Patent GB-816484-A (GB)
Title: Improvements in or relating to power steering mechanisms
IPC: B62D5/06
Filed: 1956-09-26
Abstract: 816,484. Vehicle power steering. BENDIX AVIATION CORPORATION. Sept. 26, 1956, No. 29426/56. Class 79(5) In a vehicle power steering mechanism comprising a two-part steering shaft having a valve member 31 therebetween, the member 31 is reciprocably connected to the manually operated steering shaft part 27 and is so connected to the other steering shaft part 24 that any movement of the member 31 relative to the part 24 includes both rotational and axial components, such relative movement being limited to a maximum predetermined value. As shown the invention is applied to a steering mechanism comprising the steering shaft rotated by a hand wheel 25 and rotatably connected to a worm 21 in a steering gear 21, the worm being axially fixed by bearings 22, 23 and meshing with a sector (not shown) connected by a drop arm 19 to a drag link 17, and the link 17 being connected by an arm 16 to a steering linkage comprising steering arms 14, 15a connected by a track rod 15. The part 27 has a splined connection 36 to the valve member 31 co-operating with a valve housing 30 interposed in the steering column 26. The other end of the spool 31 has an extension 37 entering the part 24 and carrying a pin 38 mounting rollers 39 engaging slots 40 in the part 24, whereby manual rotation of the shaft part 27 causes pressurization of apposite ends of a cylinder 55 connected to an axle 11 and containing a piston connected to a piston rod 56 pivoted to the steering arm 14 for giving power steering. The housing 30 has ports 45, 46 connected to hoses 47, 48 leading, respectively, to a pump output and a reservoir return and further ports 49, 50 connected by hoses 51, 52 to the cylinder 55, the ports 45, 46 being connected to ports 60, 62, 63 in a bore 30a in the housing and the port 60 being disposed opposite a blind port 60a, The valve member 31 is formed with lands 31a, 31c, 31d, the land 31a having a pressure equalizing groove 31b. Carried by clips 82, 83 on the spool are bushings 65, 66 entering counterbores in the housing 30 to form reaction chambers 67, 68 which are connected by passages 75 80 to the ports 49, 50. The chambers 67, 68 are stated to give the driver 'feel' in proportion to the resistance to steering of the road wheels 10.
Patent GB-1348230-A (GB)
Title: Vibration damper test machine
IPC: G01M7/04
Filed: 1972-06-23
Abstract: 1348230 Testing torsional vibration dampers CATERPILLAR TRACTOR CO 23 June 1972 [19 July 1971] 29631/72 Heading F2S A torsional vibration damper 13 is tested on a machine comprising a rotary mass system 12; an electric motor 14 at one end of the system for rotating it to a predetermined speed and then permitting it to decelerate; electromagnetic means 23 coupled to the system for inducing vibrational excitation in the system during its deceleration, the excitation having a predetermined frequency and amplitude resonant with the system at a given speed less than the predetermined speed to induce maximum strain in the system; and means 38 for measuring the strain as an indication of the effectiveness of the torsional vibration damper 13. The damper being tested is a viscous inertia weight damper. The rotary mass system 12 consists essentially of a shaft 24 and a flywheel 26. The electromagnetic vibration generating means comprises a plurality of members 42 of magnetically permeable material rotating with the shaft 24, and means 44, 47 for generating a magnetic field through the members 42 during rotation so as to apply an alternating positive and negative torque to the rotary mass system 12. The test machine operates as follows: the motor 14 rotates the mass system 12 to a predetermined rotational speed at which time a clutch 33 is disengaged to decouple the motor 14 from the system 12. The electromagnetic excitation system is simultaneously energized to impart torsional vibration to the system 12. As the mass system 12 decelerates, resonance occurs and strain gauge 38 generates an electrical signal to indicate the strain placed on the shaft 24. A brake 34 is then applied to terminate rotation of the mass system 12. The test machine operates automatically under the control of the circuit shown.
Patent GB-1123715-A (GB)
Title: Improvements in mixing chambers of mixing machines
Inventor: HARRISON WILLIAM IRVINE
IPC: B01F15/00
Filed: 1966-07-01
Abstract: 1,123,715. Mixing appliances. THOMAS GREEN & SON Ltd. 3 May, 1967 [1 July, 1966], No. 29692/66. Heading B1C. A chamber for batch mixing of granular, powdered, and liquid materials is of U-shaped cross-section, with a shaft 5 concentric with the curved part of the wall, the shaft having blades 6 throwing the mix into the path of flanged and apertured mixing blades 8. The discharge aperture is in the curved part of the wall, and normally closed by a correspondingly curved door mounted on arms pivoted to the flat end faces of the chamber. The aperture is located so that the rotating blades will tend to push the mix therethrough, the door in its open position acting as a deflector.
Patent GB-638591-A (GB)
Title: Improvements in and relating to the manufacture of sheets or webs of fibrous textilematerials
IPC: D04H1/4258
Filed: 1947-11-07
Abstract: Sheets of fibrous textile materials are made by incompletely esterifying cellulose fibres with an organic acid or its anhydride, whilst maintaining their fibrous structure, forming a layer of fibres at least partly composed of the fibres so produced, and rendering the cellulose triester phase of the incompletely-esterified cellulose fibres adhesive to bond the fibres in the layer together.  The incompletely-esterified fibres, which may be prepared from natural cellulose such as cotton, hemp, ramie, jute and flax, or from regenerated cellulose such as continuous or discontinuous viscose rayon filaments, may be rendered adhesive by heating, preferably with simultaneous or subsequent application of pressure, or by treatment with a solvent or plasticizer, methylene chloride being suitable. The formed sheet may be treated with a saponifying agent in order to remove some or all of the ester groupings.  In examples, ramie, cotton linters, or viscose rayon staple fibres, after pretreatment with glacial acetic acid (in some cases containing a small proportion of sulphuric acid) are partially acetylated by treatment for limited periods in baths containing acetic anhydride mixed with sulphurfree toluene or carbon tetrachloride, and, in some cases, with small proportions of sulphuric acid.  After removal of the treating fluids, and drying, the fibres are formed into webs and treated with methylene chloride.  Specifications 280,493, [Class 2 (ii)], and 10246/38 (as open to inspection under Sect. 91) are referred to.
Patent GB-409295-A (GB)
Title: Improvements in slippers and other footwear
IPC: A43B13/04
Filed: 1932-10-25
Abstract: The material described in Specification 409,294 consisting of a mixture of not more than 50 per cent rubber and not less than 50 per cent comminuted wool and/or hair fibres, together with vulcanizing and expanding agents is used for the intermediate sole, insole or sock of slippers or other footwear.
Patent GB-762722-A (GB)
Title: Improvements in or relating to locking devices, more particularly for the hydraulic actuators of aircraft landing gear
IPC: B64C25/22
Filed: 1954-10-15
Abstract: 762,722. Hydraulic actuators. BENDIX AVIATION CORPORATION. Oct. 15, 1954 [Nov. 18, 1953], No. 29777/54. Class 69 (2). A hydraulic actuator for raising and lowering the undercarriage of aircraft comprises a piston and cylinder and means for locking the piston at one end of the cylinder. A valve unit is also carried within the cylinder and is actuated to allow pressure liquid to effect movement of the piston only after the locking means is released. The piston in a tube piston 38 slidable within a cylinder 30'and is provided at one end with fingers 102 adapted to spring over an inwardly projecting sleeve 55, when the piston is moved to contract by pressure exerting a force on surface 56, to engage the end 104 of the fingers beyond the end of the sleeve. In this position the fingers are locked by the end of a locking sleeve 68 slidably mounted on inner sections 62, 64 projecting within the cylinder and held in the locking position by a spring 70. Upon pressure fluid entering port 86, it is fed into a chamber 76 by passing over the square edges of a valve 90, Figs. 2 and 3. The pressure exerted bears on the edge 69 of the sleeve 68 and forces it to move against the spring and to release its end from locking engagement with the fingers 102. A projection 103 on the inside of the sleeve 68 engages the valve 90 when the end of the sleeve disengages the fingers and lifts the valve from its seating permitting pressure fluid to pass through holes 94 in section 64 and to flow through a central tube 96. The tube 96 carries a wall 100 at its end which serves as the stationary end wall of an expansion chamber 98 of which the inside of the piston forms the remaining walls. The piston therefore extends to raise the undercarriage. A micro-switch 118 is provided to give an indication whether the locking elements are in their locked or unlocked position, and is operated by a feeler 124 which engages both the fingers and end of tube 68 to ensure their correct positioning. The feeler is pivoted on an arm 120 which holds the contacts of the switch open when the piston is correctly locked in its retracted position.
Patent GB-943384-A (GB)
Title: Breast pads, cups and fronts and method of making them
Inventor: HOWARD JACK EDWARD
IPC: A41C3/14
Filed: 1962-08-03
Abstract: 943,384. Brassieres. UNITED CELLULAR PRODUCTS CORPORATION Aug. 3, 1962, No. 29841/62. Heading A3V. [Also in Divisions B3 and B5] Breast pads or cups which may be cloth covered are moulded from cured foam material, so that while the peripheral portions are compressed and strong, the central portions are thick and may form padding. The cups may be stitched around the edges to incorporate them into a brassiere &c., or two cups may be moulded together with a layer or layers of cloth to form a composite garment, the cloth being stretchable, e.g. nylon. Alternatively non-stretchable cloth may be used to cover flat portions 55 only, or sewed or folded to follow the contour of cups 54 as well. The foam material may be polyurethane.
Patent GB-174200-A (GB)
Title: Improvements in and relating to the annealing of steel or other metal wire and strip
IPC: C21D9/56
Filed: 1920-10-22
Abstract: 174,200. Imbery, A. Oct. 22. 1920. Winding-machines.-Wire or metal strip A is wound on a drum D journaled on an arm d pivoted at d', so that the coil of wire rests directly on and is frictionally driven by a rotating disc E, and the passage of the wire &c. at a constant speed through annealing apparatusis assured.
Patent GB-629518-A (GB)
Title: Improvements in levels
IPC: G01C9/34
Filed: 1947-11-11
Abstract: 629,518. Levels. SVENSKA ACKUMULATOR AKTIEBOLAGET JUNGNER. Nov. 11, 1947, No. 30030. Convention date, Nov. 13, 1946. Drawings to Specification. [Class 97 (ii)] A liquid level is provided with a cylindrical lens, the bubble of the level being located on or in the proximity of the focal line of the lens so that at least one of the rounded ends of the bubble appears as a straight line. The cylindrical lens may be formed as a portion of the liquid-containing tube or may be provided as a separate lens, and may be combined with a prism system of known type wherein the images of the two ends of the bubble are positioned together along a central line.
Patent GB-1431575-A (GB)
Title: Method of manufacturing a gas-filled electric incandescent lamp
IPC: H01K3/02
Filed: 1973-06-25
Abstract: 1431575 Electric incandescent lamps PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 25 June 1973 [28 June 1972] 30036/73 Heading H1F In a method of manufacturing a gas-filled electric incandescent lamp, the coiled tungsten filament is pre-operated either before or after mounting in the lamp in an atmosphere comprising fluorine or chlorine at a temperature of between 2800‹ and 3600‹ K. for fluorine or between 1700‹ and 2700‹ K. for chlorine until the temperature T 1  of the end turns of the filament is 20-120‹ K., preferably 30-70‹ K., lower than the temperature T 2  of the central turns when the filament is operated under normal operating conditions. The chemical cycle process reduces the tungsten wire diameter at the end turns and increases it in the middle so as to reduce the temperature difference between the ends and the middle of the filament such that the lamp has a longer life and more uniform luminance. Preferably the filament is preoperated for 1-20 minutes in an atmosphere comprising fluorine, in either elemental or compound form, having a partial pressure of 0À1-20 Torr and an inert gas having a partial pressure of 10-10<SP>4</SP> Torr at a central turn temperature T 2  of 2800-3600‹ K. The temperature variation from the middle of the filament [(x=0), T 2 ] to the ends [(x=L), T 1 ] is within the range bounded by two curves given by the formula  in which the boundaries are defined by T 2  - T 1  = 20‹ K. and T 2  - T 1  = 120‹ K. and where a is the radius of the Langmuir-layer of gas surrounding the filament and γ= 10À35 Î 10<SP>4</SP> x 2(T 2 +T 1 )<SP>-1</SP>. Alternatively the filament may be preheated for 10-100 minutes in an atmosphere comprising chlorine, in elemental or compound form, having a partial pressure of 10-100 Torr and an inert gas having a partial pressure of 10-10<SP>4</SP> Torr at a central turn temperature T 2  of 1700- 2700‹ K.
Patent GB-162709-A (GB)
Title: Improved means for use in cutting wood or other material to helical form
IPC: B27C7/00
Filed: 1919-12-03
Abstract: 162,709. Hayward, W. A. Dec. 3, 1919. Lathes.-In a. copying- apparatus particularly adapted for the production of twisted legs or banisters of wood, a rotary cutting - tool, which may consist of a number of cutters a<1> arranged around a block A, is carried on a shaft B driven from a pulley b<1>, and the blank H is secured endwise to a pattern G, the groove of which is engaged by projections f on an adjustable support F. The blank is supported on the horizontal portions c<1> of two adjustable stop members, and is first fed bv hand towards the cutters until the desired depth of cut, determined by vertical stops c, is attained, and then rotated and fed longitudinally by hand while the cutters form a groove corresponding to the pattern. Milling-lathes.-According to the Provisional Specification the apparatus may be used for the production of twisted metal articles.
Patent GB-923155-A (GB)
Title: Improvements in or relating to photographic cameras
Inventor: SCHULZE HEINZ
IPC: G03B19/04
Filed: 1961-08-22
Abstract: 923,155. Photo-electric exposure control. KAMERA-UND KINOWERKE DRESDEN VEB. Aug. 21, 1961, No. 30228/61. Class 40 (3). [Also in Group XXXVI] The battery supplying the electric circuit of a camera is tested by depressing switch 2 so as to put the battery in circuit with resistance 3 and the exposure meter galvanometer 5 the pointer of which will engage contact 6 if the battery voltage is sufficiently high and allow energization of self-holding relay 7 so that the circuit including a photo-cell 12 and/or resistance 14 is then connected to the battery as well as the motor 17 operating the camera.
Patent GB-226542-A (GB)
Title: Improvements in or relating to the driving wheels of motor vehicles
IPC: B60K17/04
Filed: 1924-12-16
Abstract: 226,542. Gerin, J. Dec. 17, 1923, [Convention date]. Frame constructions.-The Specification as open to inspection under Sect. 91 (3) (a) describes a stream line body which acts also as the frame. This subject-matter does not appear in the Specification as accepted.
Patent GB-1109631-A (GB)
Title: Derivatives of rifamycin sv
Inventor: MAGGI NICOLA
IPC: C07D498/08
Filed: 1964-07-31
Abstract: Rifamycin SV derivatives of formula <FORM:1109631/C2/1> wherein R represents O, H(OH), dialkoxy, imino, substituted imino, hydrazono or a substituted hydrazono radical, are prepared by subjecting to mild oxidation a 3-aminomethyl derivative of rifamycin SV of formula <FORM:1109631/C2/2> wherein B is <FORM:1109631/C2/3> in which R1 is H or C1- 8 alkyl, R11 is C1- 8 alkyl, hydroxy-C1- 8 alkyl, carboxy-C1- 8 alkyl o cycloalkyl, X is methylene, ethylene, a -CH2O-group or a -CH2NH-group, R111 and R1111 are H, C1- 8 alkyl, OH or carboxy groups, with an oxidizing agent selected from C1- 8 alkyl nitrites, lead tetra-acetate, 1,4-benzoquinones, ammonium persulphate, chloranil, potassium ferricyanide, MnO2 and oxygen in the presence of a catalyst to form 3-formyl-rifamycin SV. 3-Formyl-rifamycin SV is subjected to (a) hydrogenation with sodium borohydride to form 3-hydroxymethyl rifamycin SV, (b) reaction with alkanol to form dialkyl acetal or (c) reaction with primary aliphatic, aromatic or heterocyclic amine, O-substituted hydroxylamine, hydrazine or substituted hydrazine to form imino, substituted imino, hydrazino or substituted hydrazino derivatives.  Typical compounds are 3-formyl rifamycin SV, 3-formyl rifamycin SV dimethyl hydrazone, 3-formyl rifamycin SV oxime, 3-formyl rifamycin SV dimethyl acetal and 3-formyl rifamycin SV semicarbazone.  The compounds have anti-bacterial activity.
Patent GB-440838-A (GB)
Title: Improvements in and relating to followers for steering gear for vehicles
IPC: B62D3/04
Filed: 1934-10-23
Abstract: 440,838. Milling cam-followers. ADAMANT ENGINEERING CO., Ltd., Dallow Road, Luton, Bedfordshire, and MATRAVERS, F. G., Littleover, Moreton Avenue, Harpenden, Hertfordshire. Oct. 23, 1934, No. 30367. [Class 83 (iii)] [See also Groups XXIV and XXIII] A cam-follower for a steering-gear has the end which engages with the cam formed substantially helically about its longitudinal axis. The engaging end 1 has portions 3 shaped helically about the longitudinal axis, and these portions are separated by shallow recesses 4 parallel to said axis in order to distribute pressures more evenly. Further, the contacting surfaces are " barrelled " i.e. convex in directions parallel to the axis. The follower does not fit the thread accurately, its shape being approximate only and obtained by the method illustrated in Fig. 8. In this, two rotary cutters or grinders 9 with concave cutting surfaces 12 and rotating about parallel axes 10 are employed. The blank to form the follower is moved linearly at right-angles to the plane of the axes 10 and, at the same time, is rotated about an axis 11 passing through the centre of gravity of the engaging end. One cutter only may be used and its axis need not be parallel with that of the follower. A conically shaped cutter may be used rotating about an axis set at an angle to the longitudinal axis of the follower so long as the linear movement of the follower is perpendicular to a plane parallel to the axis of the cutter. A pair of conicallyshaped cutters may be employed, the faces being concave. The Specification gives an example of the order of the magnitudes of the movements imparted to the follower, and refers to Specification 419,598, [Group XXXI].
Patent GB-267855-A (GB)
Title: Improvements in revolving doors
IPC: E06B3/90
Filed: 1926-01-04
Abstract: 267,855. Colman, T. B. Jan. 4, 1926. Rising hinges; roller bearing pivots; spring hinges.-The spindle of a revolving door carries a cam 3 which is engaged by spring-pressed or weighted cams or rollers 4 mounted on the fixed slotted uprights 8.
Patent GB-161552-A (GB)
Title: Improvements in or relating to braiding machines
IPC: D04C3/00
Filed: 1920-10-30
Abstract: 161,552. Krenzler, G. [Firm of]. April 9, 1920, [Convention date]. Braiding-machines. - Symmetrically shaped drivers a of the kind which are moved to the right or left or are kept stationary according to the requirements of the pattern are arranged in one horizontal plane and act upon enlarged footpieces b of the bobbin carriers. The curvature of the track in which the bobbins slide is such that the stationary drivers act as guides for the foot pieces b and thus allow the moving drivers to take the corresponding bobbins safely over the track points c<2>.