baber/WOPTO huggingface dataset:
Patent GB-658431-A (GB)
Title: Improvements in or relating to typewriters
IPC: B41J7/30
Filed: 1949-04-19
Abstract: 658,431. Typewriters. TORPEDO-WERKE AKT.-GES., FAHRRADAR UND SCHREIBMASCHINEN. April 19, 1949, No. 10372. Convention date, July 16, 1948. [Class 100 (iv)] In a type-lever machine, type bars 2 which have become jammed together near the printing position are released by depression of the shift key. As shown, the type-lever-operated universal-bar 4 and associated parts 5, 6, 9, together with their carrying frame 8 move upwardly when the shift key is depressed, and a pawl member 13 is provided which by engagement during such movement with a bar 10 joining the parts 6 causes the bar 4 to move forward to free the jammed type bars. If the machine is of the carriage-shift type, the pawl is provided on the carriage frame and moves past the bar 10 when the shift key is depressed. Two pawls 13 situated close to the respective members 6 may be provided to prevent buckling of the bar 10 &c.
Patent GB-156064-A (GB)
Title: Improved spanner
IPC: B25B7/10
Filed: 1920-04-14
Abstract: 156,064. Pilcher, F. H., and O'Keefe, J. J. Dec. 29, 1919, [Convention date]. Hand-grip wrenches. - A hand - grip wrench of the kind comprising an L-shaped member 5 formed with a fixed jaw 5<1>, and a pivoted outer member 4 with a sector-shaped jaw 4<1> is constructed with a movable pivot pin 8 which can be passed into any one of the holes 6 in the member 5. The pin 8 is carried by a flexible finger or retaining-strip 9 secured to the back of the member 4 by a screw, or rivet 10 the axis of which is at right-angles to the axis of the pivot 8. The pivot 8 may be fixed or pivoted to the strip 9.
Patent GB-741841-A (GB)
Title: Improvements in or relating to electric motor control systems
IPC: H02P3/06
Filed: 1953-04-16
Abstract: 741.841. Control of motors; controllers. GENERAL ELECTRIC CO., Ltd., and' FRIEDLANDER, E. S. April 14, 1954 [April 16, 1953], No. 10434/53. Class 38(3) When a load 10-is driven by an electric motor 13 in an upward direction and reaches a predetermined position 1, a switch 17 is closed to energize a self-holding relay 32 so that a constant-speed pilot motor 30 moves a contact arm 31 in the clockwise direction. Upon the load reaching a second predetermined position 2, a. relay 33 is energized and the first relay is de-energized, thereby reversing the pilot motor 30. When the arm 31 reaches a position, during its reverse movement, in :which a contact which it carries touches a stationary contact 35, a signal for the application of a mechanical brake 14 is given. Thereafter, the motor 30 continues to rotate until the arm 31 reaches its initial position wherein the pilot motor is halted bymeans of adjustable stop 36 and limit switch 34. The extent of movement of the arm 31 during the passage of the load between positions 1 and 2 is inversely proportional to the speed of the load so that the time interval between the instant at which the load passes position 2 and that at which the signal for brake application is given is also dependent upon the load-speed, the arrangement being such that, if the load is moving faster than normal, the brake-application is advanced. This variation in the time of application of the brake thus compensates for the speed of the load which is stopped in a prescribed position. The endstop 36 can be adjusted to. allow for the delay in the full application of the brake after the initiating signal is given and to provide an allowance for braking from the normal speed of the load. The pilot motor may be of the three phase or the direct-current type, and its speed may be controlled in dependence upon load and other conditions influencing the precise point at which brake application should be made. The pilot motor may run in one direction only, the arm 31 being reversed by means of electromagnetic clutches. In an alternative system, a capacitor is charged at a definite rate when the load is between the first and second positions, the brake being energized as soon as the capacitor voltage has dropped below a predetermined rate after the load has passed the second position.
Patent GB-1379908-A (GB)
Title: Patterned fabric
IPC: D04C1/04
Filed: 1971-04-21
Abstract: 1379908 Laminated patterned fabrics COURTAULDS Ltd 19 April 1972 [21 April 1971] 10463/71 Heading B5N [Also in Division D1] A patterned fabric is produced by treating a stitch-bonded non-woven fabric, in a pattern of areas with a corrosive substance e.g. aluminium sulphate, acetone or caustic soda, which is corrosive to fibres in the web but not corrosive to the stitching yarn, e.g. nylon. The web may comprise stable fibres and/or adhesive filaments and be in the form of a blend of fibres having different corrosion characteristics and can be reinforced by solvent bonding, adhesive bonding, melt or print-bonding or by lamination to a backing fabric. The stitching yarn may be of a different colour to the web or may have a different dyeing affinity for subsequent piece dyeing. The corrosive substance can be a paste containing a dye, e.g. a printing paste. The fibres may be wool, cotton, regenerated cellulose, cellulose acetate, polyamides, polyesters, acrylics, polyolefins and modacrylics. The non- woven fabric may consist-of lapped webs or be combined with layers of woven, knitted or non- woven scrim, e.g. it may be laminated to a cellulose triacetate knitted fabric. Corrosion may be produced by subsequent heating and the fabrics may be subsequently dyed.
Patent GB-1158751-A (GB)
Title: New 2-Imino-5-Nitrothiazoline Compounds and methods for their production
Inventor: ISLIP PETER JOHN
IPC: C07D277/58
Filed: 1967-03-06
Abstract: 1,158,751. Substituted 5-nitrothiazolines. PARKE, DAVIS & CO. 1 Feb., 1968 [6 March, 1967], No. 10497/67. Heading C2C. Novel 5-nitrothiazoline derivatives of the formula  where R 1  is C 1-6  alkyl, C 3-6  cycloalkyl, C 1-4  alkoxy, phenyl or phenoxy; R 4  is H or CH 3  ; and Z is C 1-4  alkoxy or -N(R 2 )R 3  where R 2  is H, or C 1 _ 6  alkyl, and R 3  is H, C 1 _ 6  alkyl or benzyl or R 2  and R 3  together with the nitrogen atom form a heterocyclic ring are prepared by reacting in the presence of a base the corresponding 2-aoylamino (or 2-cycloalkylcarbonylamino or 2-benzamido)-5-nitrothiazoles or alkyl or phenyl - N - (5 - nitro - 2 - thiazolyl)carbamates with the appropriate α-haloacetic acid derivative of the formula X-CH(R 4 )-CO-Z where X is Cl, Br or I.  N - (5 - Nitro - 2 - thiazolyl)cyclopropanecarboxamide and N - (5 - nitro - 2 - thiazolyl)cyclobutanecarboxamide are made by reacting 2- amino-5-nitrothiazole with cyclopropane-carbonyl chloride and cyclobutanecarbonyl chloride respectively. Phenyl - N - (5 - nitro - 2 - thiazolyl)carbamate is prepared by reacting 2-amino-5-nitrothiazole with phenyl chloroformate.
Patent GB-837062-A (GB)
Title: Inflating apparatus
IPC: F17C7/00
Filed: 1958-04-02
Abstract: 837,062. Compressed gas storage vessels. COLLECHIA, Q. April 2, 1958 [April 13, 1957], No. 10554/58. Class 8(2). A gas cartridge 1 containing gas under pressure is securely sealed by a cap or plug 6 in the normal way. A pin 2, preferably tapered, serves as a sealing plug for an opening 7, at any location in the wall of the chamber, and the pin is securely fixed to a lever 3 positioned in such a way that pressure exerted on the lever 3, e.g. by squeezing the lever towards the cartridge, tends to urge the pin outwardly from the opening 7 and the pin is then forced out by the gas. The pin, lever and cartridge may be coated with a latex coating 4 to prevent the mechanism from being accidentally disturbed and also from becoming rusted.
Patent GB-254432-A (GB)
Title: Improved bookmarker
IPC: B42D3/14
Filed: 1925-04-23
Abstract: 254,432. Grunfeld, A., (known as Grenfell, A.). April 23, 1925. Bookmarkers. - A bookmarker comprises a single piece of wire bent at one end into a double helical coil a adapted to grip the book cover and at the other end to form a page indicator c, the intermediate portion being bent to form a single spring d, Fig. 2, or a double spring d<1>, d<2>, Fig. 3.
Patent GB-1312437-A (GB)
Title: Index tab
IPC: B42F21/00
Filed: 1971-04-21
Abstract: 1312437 Index tabs THORLAG MEK VERKSTED 21 April 1971 [23 April 1970] 10597/71 Heading B6E An index tab arranged to be held in slots 12, Fig. 8, of an index card 11 and composed of three interlocking members includes a front plate 4, Fig. 7, provided with a transversal series of upwardly directed lugs 6, which are stamped out of the plate to provide corresponding apertures 5 through which are passed fingers 3 of a back plate 1, whose upper edge is provided with a depending flange 2, the front plate and back plate being interlocked with each other, when the fingers 3 have been passed through the apertures 5 and slots 12 in the index card 11, by a transparent locking member in the form of a lens 8, Fig. 6 whose longitudinal edges are located between the flange 2 and lugs 6. An index label is disposed between the lens and the front plate. In the interlocked position the lower ends of fingers 3 are also passed through locating apertures 7 in the front plate 4.
Patent GB-454860-A (GB)
Title: Improvements in or relating to electrical apparatus for igniting charcoal
IPC: F23Q7/02
Filed: 1935-04-06
Abstract: 454,860. Electric igniters. BRANNEY, F., The Catholic Church, Southchurch Road, Southend-on-Sea. April 6, 1935, No. 10663. [Class 75 (iii)] A device for igniting small discs &c. of charcoal, as used for ecclesiastical purposes in religious services, comprises a wire resistance c laid between transverse ribs b on a refractory block o secured by rods k and angle brackets j to the bottom of a shallow cup a provided with heat-insulating feet i and a horizontal handle e, through which the leads f pass, the charcoal disc &c. d to be ignited being supported on the ribs b out of contact with the resistance. Insulating beads l are provided on the leads f. According to the Provisional Specification, the ribs b are provided in the bottom of a porcelain cup.
Patent GB-1431533-A (GB)
Title: Covers for guide tracks of machine tools
IPC: B23Q11/08
Filed: 1974-03-11
Abstract: 1431533 Protecting slides KABELSCHLEPP GmbH 11 March 1974 [7 April 1973] 10668/74 Heading B3B A protective cover for a guide track 10 of a machine tool comprises a plurality of telescopically arranged cover plates 11, 12, each carrying two pairs of pivotal links 17a, 17b for mounting a pair of resilient elements 20, 21 extending transversely of the direction of movement of the plates and being spaced apart in the direction of said movement, and an abutment 15, the abutment 15 of one plate, being arranged between the transverse resilient elements of the adjoining larger, overlapping plate, so that as the cover approaches a fully extended or a fully contracted position the abutment 15 engages a resilient element 20, 21 and deflects it to store energy to bias it to a midway position. The resilient elements may be provided by two separate endless resilient bands passing between each pair of pivoted links 17a, 17b, or by a single endless resilient band (Figs. 4-6, not shown) passing around the four links. Each cover plate has one end wall 14 supported by the track 10, e.g. by rollers 13, and its other end supported by the next adjacent cover plate.
Patent GB-106945-A (GB)
IPC: D05B51/00
Abstract: 106,945. Corry, S. Nov. 29, 1916. Sewing - machines; stopping and starting.- Relates to mechanism for automatically stopping sewing-machines when the thread gives out or breaks. The mechanism normally provided for controlling the presser-foot, which comprises a lever d connected at one end to a rod d<1> bearing on a table-topped pin c<1> carried by an arm of the pivoted kneepiece c and controlling tension springs r, s. is provided with a belt-shifter b and is connected to one end of a lever f as shown. When the machine is in action, the free end of the lever f is supported on a pin g. On the head of the machine is pivoted a lever k, Fig. 3, with an extension k<2>, which is normally held by the thread passing through an eye k<2> in the position shown with the part k<2> below the range of movement of a pin l<1> on the needle-bar. On breakage or failure of the thread, the lever k pivots under gravity, bringing the part k<2> into a position where it is hit by the projection l<1>, and is thereby knocked upwards to move the lever f off its supporting pin. The lever f falls by its own weight and moves the train of parts above described to shift the belt from the fast pulley p to the loose pulley q.
Patent GB-822143-A (GB)
Title: Improvements in or relating to treatment of materials in liquid suspension such as paper pulp
IPC: D21B1/34
Filed: 1958-04-02
Abstract: 822,143. Disintegrating paper pulp material &c. LAMORT FILS, E. & M., and SAINTHILAIRE, R. M. H. DE. April 2, 1958 [April 9, 1957], No. 10705/58. Class 96. In disintegrating vegetable fibrous materials, or waste paper &c., by one or more agitators with impellor blades 5, the material is projected by the blades 5 against vanes 1b set in the frusto-conical lower part of a perforated vessel 1 within a tank 4, the fibrous material also circulating against the cylindrical wall of the vessel 1 and passing through the perforations when sufficiently reduced. A beam 2 at the top of the vessel 1 carries a vibrator 3, the vessel 1 resting on a resilient seal 11. The impeller is rotated by a motor 8 and belts 9 &c., and if there be more than one impeller, they are rotated in the same direction so that there are opposed currents in the regions between them. The machine delivers pulp to a tank (not shown in Fig. 1); and the vessel 1 may be periodically cleared of unreduced material and impurities.
Patent GB-491261-A (GB)
Title: A new or improved article constructed for use as a bolster or pillow and alternatively as a cushion or like support
IPC: A47G9/10
Filed: 1937-04-15
Abstract: 491,261. Pillows and cushions. DUNLOP RUBBER CO., Ltd., HARRAL, L., and AINSWORTH, G. B. April 15, 1937, No. 10707. [Class 52 (iv)] A pillow or bolster 3 is divided transversely into two substantially equal hingedly connected parts, preferably of triangular cross-section, which can be superimposed for use as a cushion.
Patent GB-668621-A (GB)
Title: Improvements in or relating to refrigerating machines operating on the reversed hot-gas engine principle
IPC: F25B9/00
Filed: 1947-04-22
Abstract: 668,621. Refrigerating. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. April 22, 1947 [JuIy 27, 1944], No. 10743/47. Class 29 In multi-cycle refrigerating machines of the reversed hot-gas engine type, each thermodynamic cycle of the working fluid is performed in more than one cylinder, the operative piston surfaces 191,192 being all arranged in pairs rigidly connected together, one surface 191 of each pair being movable in a heated chamber associated with one cycle while the other surface 192 is movable in a cooled chamber associated with another cycle. Each pair of piston surfaces may comprise the opposite surfaces of the same piston as shown, or two rigidly connected pistons moving in a divided cylinder. The four cylinders 131- 134 each have the top end of one connected to the bottom end of the next by pipes 154-157 leading from the bottom of each cylinder jacket, the pipe 157 from the last cylinder jacket returning to the first cylinder 131. Each cylinder has a heating jacket 135 open to the upper end of the cylinder and heated by the material being refrigerated, a regenerator 136, and a cooling jacket 137 transferring the heat of compression to a water jacket 153 common to the lower ends of the cylinders. The heating jackets 135 have ribs 152 and may project into the space to be cooled. The pistons are reciprocated 90 degrees out of phase by a crankshaft 142 driven by a motor 145. Each cycle of the working gas thus takes place in the space between the top surface 191 of a piston and the bottom surface 192 of the piston in the next cylinder and includes the heating jacket 135, the regenerator 136 and the cooling jacket 137 of the first cylinder. After the piston has reached the top dead centre position as shown in the cylinder 131 expansion occurs in the space 190 and the gas therein cools, absorbing heat from the chamber being refrigerated. The volume of the space 193 beneath the next piston then increases, and the gas passes through the regenerator 136 over cooler 137 to the cooler space 193. Compression then occurs in the space 193 and the gas is returned through the cooler 137, regenerator 136 and heater 135 to the space 190, giving up the heat of compression to the water jacket 153, whereupon the cycle is repeated. The cylinders can be arranged in pairs V-wise, or in a square with the piston driven by a swash plate. In a modification, Fig. 2 (not shown), two cylinders are used, one being divided and having two pistons on one rod, one piston working in each part. The other cylinder is as shown in Fig. 1 and its jacket is connected to the lower part of the divided cylinder so that one of the working spaces is formed between the lower surface of its piston and the upper surface of the piston in the lower part of the divided cylinder.
Patent GB-400176-A (GB)
Title: Improvements appertaining to pistons for internal combustion engines
IPC: F16J1/14
Filed: 1932-04-15
Abstract: 400,176. Gudgeon pins. WIDDQP & CO., Ltd., H. and WIDDOP, H., Invincible Works, Keighley, Yorkshire. April 15, 1932, No. 10782. Addition to 357,197. [Class 122 (i).] In the small end connection described in the parent Specification in which the gudgeon-pin 3 is bolted to the rod 4, plates 7 cover the ends of the gudgeon-pin to exclude foreign matter. The plates are mounted on a bolt 8 and pressed apart by a spring 12, and are provided with semicylindrical projections 7a forming the lower bearing for the gudgeon-pin. Similar projections 7b engage recesses in the upper bearing 6. Pins S, S<1> prevent rotation of the bearing 6 and plates 7 respectively.
Patent GB-1210566-A (GB)
Title: Automatic circuit-breaker
Inventor: MITSKEVICH GENNADY FEDOSIEVICH
IPC: H01H77/10
Filed: 1968-03-06
Abstract: 1,210,566. Automatic circuit-breakers. NAUCHNO-ISSLEDOVATELSKY ELEKTROTEKHNICHESKY INSTITUT. 6 March, 1968 No. 10856/68. Heading H1N. The "fixed" contact of an automatic circuitbreaker has a pivoted portion arranged to form a coil of at least one turn such that on heavy overload electrodynamic repulsion moves the pivoted portion against spring action to open the contacts prior to the functioning of the normal trip mechanism. Moving handle 22 to position A closes contact 17 on to contact 11 which is carried on a U-shaped member 10 pivoted at 13 on a fixed terminal member 9 and loaded by a spring 16. On normal overload the release device 5 trips mechanism 4 to move contact 17 to the open position shown, but on heavy overload (exceeding a value determined by spring 16) electrodynamic repulsion withdraws member 10 before contact 17 is tripped and the consequent arc across horns 12, 21 maintains the repulsion until the arc is suppressed by steel plates 6 and opening of contact 17. The spring 16 then returns contact 11 to the position shown. Handle 22 takes up position B when automatically tripped and must be moved to the manual-trip position C before closure to A.
Patent GB-839932-A (GB)
Title: Automatic adjusting system for aircraft surface controls
IPC: B64C13/24
Filed: 1958-04-03
Abstract: 839,932. Controlling aircraft. BENDIX AVIATION CORPORATION. April 3, 1958 [April 3, 1957], No. 10928/58. Class 4. In an aircraft manually controlled system for operating a control surface means responsive to acceleration and a flight parameter such as Mach number, altitude or airspeed, is provided to vary the effective ratio between the manual control member and the control surface to automatically limit the aircraft loading conditions to a safe magnitude. A control column 10 operates a link 12 and an arm 14 which is mounted on a pivot 30 on an adjustable carrier 32, and is connected through further linkage 16, 18, 20 to a control surface (not shown) whereby the ratio of movement of the control surface to movement of stick 10 may be varied by adjustment of carrier 32. In addition the control surface may be independently adjusted by a trim actuator 36 to trim the aircraft at a load factor of 1G. As shown in Fig. 2, train actuator 36 is controlled by an accelerometer 42 mounted close to the centre of gravity of the aircraft to supply a signal through conductor 43 and summing device 44 to actuator 36 to correct for changes in the steady-state characteristics of the aircraft. Actuator 36 also positions through links 37, 37A a further signal generator 45, which supplies a signal to an actuator 34 for operating ratio changer 32 through conductor 46 and a summing device 47 which receives a further signal from a control device 50 responsive to Mach number and altitude. A further signal generator 51 is operatively connected to control lever 10 through linkage 12 and 12A in order that the pilot may operate the trim actuator 36 through conductor 52 and summing device 44. In operation, with the stick 10 in neutral position any deviation of the aircraft from straight and level flight will cause a signal to be developed by accelerometer 42 which will run trim actuator 36 at a speed and direction necessary to trim the aircraft and restore the accelerometer to its neutral position. When stick 10 is moved for a desired manoeuvre, the electrical signal generated at 51 and the normal acceleration signal developed at 42 will subtract such that the trim actuator is not operated during commanded manoeuvres.
Patent GB-519558-A (GB)
Title: Improvements in or relating to systems for broadcasting multicomponent programs
IPC: H04N5/52
Filed: 1939-04-11
Abstract: 519,558. Automatic gain control systems. HAZELTINE CORPORATION. April 11, 1939, No. 11006. Convention date, April 23, 1938. [Class 40 (v)] A television or other multiple-component broadcasting system is characterized by the feature that a number of differant transmitters 10, 11, 12 each radiate signals on individual carriers having a predetermined unmodulated amplitude relation, say between the sound and vision carriers, which is the same for all stations, the gain of both channels being automatically controlled by voltages derived from one (e.g., the sound channel). In this way the automatic control at the receiver remains equally efficient no matter to which transmitter the receiver may be tuned. At the receiver 13, control voltages derived from the signal detector 18 of the sound channel are applied to control the radio frequency 15 and frequency changer 16 of the common portion of the receiver and also the I.F. amplifiers 21, 17 of the vision and sound channels respectively. The system is applicable to the transmission of stereoscopic and binaural programmes.