baber/WOPTO huggingface dataset:
Patent GB-223201-A (GB)
Title: Improved punching tools and method of making same
IPC: B21D28/06
Filed: 1924-09-09
Abstract: 223,201. Ramsey Chain Co., (Assignees of Ramsey, J. H.). Oct. 12, 1923, [Convention date]. Chains.-Coacting dies and punch bolsters for cutting perforated' chain links 7, Fig. 1, from a strip 5 are designed to permit accurate replacement of damaged punches &c. by forming the section of the shank of each working tool as a major segment of a circle, the tool shanks of each die being located side by side in intersecting circular recesses. The punches 15, Fig. 2, are formed with shanks 13, 14 seated in circular recesses in the block 8, the shanks being ground to size and having flats 12 forming the common chord of the circular recess in which the shanks are seated. The tools may be secured in the block by screws 16. A stripper through which the punches work may be fitted. Each blanking-die may be formed in two parts 26, 27, Fig. 4, the recess for the blank being machined by a milling-cutter. Pilot pins on the blanking.punch pass through the holes 6 before the blank is cut out.
Patent GB-451006-A (GB)
Title: Improvements in or relating to the vulcanisation of rubber
IPC: C08J3/22
Filed: 1935-07-27
Abstract: An accelerator composition for incorporating with rubber during mastication or like mixing is made by dispersing powdered solid accelerator in a rubber softener comprising a fatty acid or a softening oil by grinding or milling the powder in the softener to further the fineness of the powder and produce an intimate dispersion.  A suitable composition comprises two to three parts of a solid accelerator such as mercaptobenzothiazole, diphenylguanidine or benzothiazyl-disulphide and one to two parts of a fatty acid such as stearic lauric or oleic acid, or pine oil, cotton seed oil or mineral oil.
Patent GB-1390663-A (GB)
Title: Method of and apparatus for charging a storage cell
IPC: H01M10/44
Filed: 1972-05-09
Abstract: 1390663 Battery charging apparatus COMPAGNIE GENERALE D'ELECTRICITE 9 May 1972 [12 May 1971] 21668/72 Heading H2H A method of charging a storage cell comprises the steps of supplying the cell with a charging current having a periodic waveform having a positive mean value and a frequency of less than or equal to 10 Hz, and preferably between 0À01 and 0À1 Hz, monitoring a parameter of the cell voltage which varies significantly as the cell approaches full charge and interrupting the charging current on the detection of a significant variation in the parameter. The waveform of the charging current is represented in Fig. 2 and has a maximum value ofi+ and a minimum value ofi-, which can be zero or a negative value about 10-20% of the value of i +, and having durations of the positive and negative or zero parts of the waveform of T + and T - which may be equal. The application of such a charging current waveform to the cell produces a cell voltage having a sinusoidal waveform with a mean value of V and a peak-topeak value of v. In the initial stages of the charging process the cell voltage waveform is somewhat square in pattern as shown in Fig. 3, and as the charging process continues the peakto-peak value v of this waveform decreases to a steady value whilst the mean value V gradually increases. When the cell approaches its fully charged condition the waveform alters from the square form to a zig-zag form, the value v of which increases and the mean value V of which shows a rapid increase. Either or all of these three parameters of the cell voltage are observed and used to terminate the charging process.
Patent GB-707984-A (GB)
Title: Detachable escape boat incorporated into hull of submarine
IPC: B63G8/41
Filed: 1950-09-04
Abstract: 707,984. Submarine vessels. HICKSON, T. R. Sept. 4, 1950, No. 21719/50. Class 113(2) An escape boat for submarines having a watertight compartment at each end of the boat comprises a deck 1, a lid 10, a casing 2 and entrance hatches 9 and is housed in the submarine in a casing 7 having hatches 8. A watertight joint 3 is provided between the deck 1 of the boat and the outer covering 4 of the submarine.
Patent GB-476193-A (GB)
Title: Improved manufacture of building slabs
IPC: B28B1/16
Filed: 1936-08-06
Abstract: 476,193. Building-slabs. SCHWARZ, A. Aug. 6, 1936, No. 21731. Convention date, Dec. 14, 1935. [Class 87 (i)] A multi-layer slab is made by casting layers of cellular and ordinary plaster horizontally and in succession, each layer being cast in a kind of plaster different from that of the preceding layer as soon as the latter has set. Fillings such as vegetable fibres or. wire or other fabrics may be used. The slabs may be tongued and grooved.
Patent GB-465508-A (GB)
Title: Gas iron
IPC: D06F75/02
Filed: 1935-07-31
Abstract: 465,508. Hand-irons. BIEGELEISEN, M. L. July 31, 1935, No. 21747. Void. Convention date, July 31, 1934. [Class 138 (ii)] [Also in Group XI] The burner tube 10 of a gas iron is arranged between two longitudinal chambers 16, formed in the iron and comnnmicating through holes 17 both with the combustion space and with the outer atmosphere whereby the combustion products pass through these chambers and heat the iron. The gas inlet pipe is provided with a needle valve 20 and is secured to the coupling member 21 having the primary air inlets 12, by means of a spring-pressed plunger member 13 and balls 22 which engage the conical inner surface of the coupling member and press on the reduced end 26 of the gas inlet pipe. The latter may be withdrawn from the coupling member 21 by depressing the plunger 13.
Patent GB-1508184-A (GB)
Title: Oxidation resistant iron base alloys
IPC: C22C38/44
Filed: 1975-05-21
Abstract: 1508184 Oxidation resistant ferrous alloy CABOT CORP 21 May 1975 [22 May 1974] 21748/75 Heading C7A A hot and cold workable oxidation resistant iron-based alloy contains: C 0À05-0À7 Nb 0-0À3 Co 15-30 Cr 18-25 Mn 0-2 Mo 1-6 where N 0À10-0À30 Nb and Ta > 0À4 Ni 15-30 Si 0À2-0À8 Ta 0À1-2 W 1-10  Zr 0-0À1 Al 0À1-0À5 La 0-0À1 Fe Bal > 23 with impurities i.e. B, Ti, Mg, Cu, S, P, V, Ca to a max. of 0À6%. The alloy has good high temperature tensile, creep, fatigue and oxidation resistance and may be used as a more economic substitute for super alloys. Optimum properties are achieved when C + N > 0À25.
Patent GB-859524-A (GB)
Title: Improvements in apparatus for distending inflatable flotation devices such as life-saving rafts and other structures
Inventor: BASHAM EDGAR WILLIAM JAMES
IPC: B63C9/02
Filed: 1959-06-24
Abstract: 859,524. Inflatable craft. NORMALAIR Ltd. Jan. 24, 1959, No. 21759/59. Class 113. [Also in Group XXVIII] An injector device 12 (see Group XXVIII] carries a flange 13 by which it may be mounted in an inflatable raft 41 such that the device makes an angle of approximately 25 degrees with the surface of the raft. Compressed air bottles 40 are provided to actuate the device.
Patent GB-717638-A (GB)
Title: Improvements in or relating to siloxane-coated textiles
IPC: D06M15/643
Filed: 1952-08-29
Abstract: A composition for coating a dyed organic textile consists of (a) 100 parts (by weight) of a benzene-soluble organopolysiloxane having a viscosity of at least 10,000 cs., the polymer having the general formula <FORM:0717638/IV (a)/1> , where n has a value from 1.95 to 2.05 inclusive and each R is a methyl, ethyl or phenyl radical, in the polymer not more than 35 mol. per cent. of the units being phenylsiloxane units, and (b) 20 to 80 parts by weight of a silica filler having a pore volume of at least 3 ccs. per gram and a heat of wetting in hexamethyldisiloxane of 0.1 to 1.8 calories per c.c. of pore volume, with or without (c) 4 to 15 parts of a vulcanizing agent, such as benzoyl peroxide, t-butyl perbenzoate, t-butyl-peracetate or zirconyl nitrate.  Fillers specified are fume silicas and silica aerogels.  The compositions are applied to the textiles in the form of dispersions in organic solvents such as perchlorethylene, toluene, xylene and chlorinated aromatic hydrocarbons and the coated textiles are then cured by heating, e.g. from 110 DEG  to 150 DEG  C. for 2 to 10 minutes, to a non-tacky state.  Examples are given.  Specifications 659,445 and 682,540 and 685,731 are referred to.
Patent GB-1048626-A (GB)
Title: Prepopped transparency slide mounts
Inventor: DIECK WILLIAM WALLACE
IPC: G03B21/64
Filed: 1963-05-31
Abstract: 1,048,626. Transparency mounts. EASTMAN KODAK CO. May 31,1963, No. 21783/63. Heading G2C. A transparency mount comprises two support members fitting together, each member having a ridge bordering the picture aperture, the ridges on one member being offset from those on the other member so that the transparency clamped between them is given a slightly curved shape. Fig. 1 shows a form in which the two supporting frame members 12, 13, separated by a spacer 15, have their inner edges surrounding the central apertures bent as at 10 and 11, first upwardly and then downwardly. The two ridges so formed are offset from each other, so that when a transparency 18 is gripped between them, it is slightly deformed into a concave configuration, emulsion side innermost. Since the transparency is already pre-stressed in this way, it is prevented from flexing or "popping" under the action of heat from the projector. Fig. 3 shows a slightly different arrangement, in which the members 12, 13 have integral embossed ridges, which in Fig. 2 (not shown) are separate pieces of affixed material.
Patent GB-733558-A (GB)
Title: Compressible liquid spring devices
IPC: F16F5/00
Filed: 1952-08-29
Abstract: 733,558. Closures for resisting fluid pressure. WALES-STRIPPIT CORPORATION. Aug. 29, 1952 [March 12, 1952], No. 21800/52. Class 123 (1). [Also in Groups XXVI and XXXII] A liquid spring comprises a vessel 20 having a wall 22, and a closure 35 for the vessel having a part 50, attached to the wall 22, and another (integral) part 60 which tapers in thickness to terminate in a thin marginal lip and is formed to flex with flexure of the wall 22 (Fig. 11, not shown) under high pressure developed in the vessel. In Fig. 6, the closure has a face 70 which is wholly cylindrical and of a diameter equal to that of the bore of the vessel 20 at a protuberance 82. The normal diameter of the vessel bore is slightly greater, and affords an annular space for welding metal or bronze 80. In Fig. 2 there is no protuberance 82 in the vessel bore, but the closure near its inner end has its outer diameter progressively increased. In another construction (Fig. 10, not shown), the vessel bore and the corresponding surface of the closure are wholly cylindrical, an annular space between them being filled by the welding metal or bronze. The invention is also applicable to the head through which the plunger of the spring operates (Fig. 7, not shown). In Fig. 7, the marginal lip only contacts the wall 22 at three peripherally-spaced points (Figs. 8, 9, not shown). Specifications 733,084 and 733,561, [both in Group XXXII], are referred to.
Patent GB-333711-A (GB)
Title: Improved weighing scale or machine
IPC: G01G1/00
Filed: 1929-07-16
Abstract: 333,711. Nightingale, T. July 16, 1929. Loose - weight apparatus. - Semi - automatic scales of the kind having means for varying the weighing capacity by -the addition or removal of an auxiliary counterweight and the weight indications on the chart simultaneously changed, are provided with means for obscuring the scale while the change over is taking place. The auxiliary weight 8 is removed from a lever 6 by an arm 28 operated through linkage by a handle 22. The arm 30 carries a slotted member engaging a pin 36 on a rod 34 pivoted at 35 which moves the indicating scale to expose fresh numerals behind openings 32. Simultaneously a rod 38 attached to the handle 22 operates a bell crank 39 carrying a cam 46 engaging a roller 49 on a lever 48 attached by a link 50 to a shield 52 which is first lowered to obscure the scale while the transition takes place and afterwards raised when the transition is completed.
Patent GB-295027-A (GB)
IPC: H04B1/26
Filed: 1928-07-28
Abstract: 295,027. Ardenne, M. von. Aug. 6, 1927, [Convention date]. Thermionic amplifiers and detectors.-In order to prevent high-frequency currents from reaching the low-frequency amplifying-stages of a wireless receiver, the plate and filament of the detector valve V are connected by a condenser C as in Specification 284,585, and in addition a choke coil D is connected between the plate and the coupling-resistance R. The arrangement is particularly intended for superheterodyne receivers, the output circuit J of the long-wave amplifier being coupled to the tuned grid circuit K of the detector. The filter consisting of the condenser C and choke D is designed to exclude long waves from the low-frequency amplifier, without cutting down the higher audio-frequencies and harmonics. The condenser C also assists in the rectification process in the plate circuit of the detector.
Patent GB-479331-A (GB)
Title: Improvements in or relating to the treatment of seeds, bulbs, tubers and roots
Filed: 1936-07-02
Abstract: Seeds, bulbs, tubers, and roots are coated with preserved rubber latex having incorporated therein grape juice or the juice of any desired fruit.  As applied to grape vines, the latex may have four per cent of grape juice incorporated therein.  Sodium or potassium diphosphate may be used for prevention of putrefaction of the latex.ALSO:Preserved rubber latex having incorporated therewith grape juice or the juice of any desired fruit is used for coating seeds, bulbs, tubers, and roots.  As applied to grape vines the latex may contain four per cent of grape juice incorporated therein.  Sodium or potassium diphosphate may be used for the prevention of putrefaction of the latex.
Patent GB-443761-A (GB)
Title: Improved means for operating automatically brakes on electrically-driven vehicles
IPC: B60T13/66
Filed: 1935-08-06
Abstract: 443,761. Controlling motor vehicles. GODSMARK, H. C., 110, Luck Street, Huddersfield. Aug. 6, 1935, No. 22150. [Class 79 (v)] [See also Group XXXIV] In an electric vehicle the electric current supplied to drive the vehicle transverses the winding 4 of an electro - pneumatic valve adapted to apply the brakes in the event of an interruption in the current circuit, the release of the brakes by the driver's valve taking place through the electro - pneumatic valve as long as it is energized. Port 19 is connected to the fluid reservoir and port 18 with the exhaust port of a driver's valve which is normally connected to atmosphere through port 12 past valve 15. On the electric circuit being broken, valves 14, 15 are depressed by a spring 16 to close valve 15 and open valve 14 which connects the reservoir with the brake cylinder through the driver's valve. This takes place if the trolley arm leaves the trolley curve or switches may be provided to be operated by driver, conductor or passenger. The valve may be rendered inoperative by a latching arm 20, and may be adapted for vacuum brakes.
Patent GB-812338-A (GB)
Title: Electrodeposition of chromium plate
Inventor: STARECK JESSE EDWIN
IPC: C25D3/04
Filed: 1955-08-02
Abstract: 812,338. Electrodeposition of chromium. METAL & THERMIT CORPORATION. Aug. 2, 1955 [Aug. 12, 1954], No. 22187/55. Class 41. Crack-free chromium is electroplated on to a metal, e.g. steel article at a cathode current density of 0.5 to 8 amps./square inch at a temperature of 140‹ F. to the boiling point of the plating bath which contains 200 to 900 g./l. CrO 3 , 0.3 to 5.5 g./l. SO 4 <SP>11</SP> and 1.0 to 11.4 g./l. SiF 6 <SP>11</SP> without the addition of compounds suppressing the ionization of the catalyst radical compounds which are present to give a combined concentration (SO 4 <SP>11</SP> + SiF 6 <SP>11</SP>) of from 1.5 to 11.7 g./l. which varies with CrO 3  concentration as indicated by the area ABCD of the accompanying graph. The preferred operating concentrations, temperatures and current densities are substantially the same as those specified in Specification 771,925. The sulphate-supplying compound may be sulphuric acid or sodium, potassium, chromium, calcium or strontium sulphates while the silicofluoride supplying compound may be hydrofluosilicic acid or magnesium, sodium or potassium silicofluorides. Specification 697,786 also is referred to.
Patent GB-840842-A (GB)
Title: Improvements in or relating to automatic gain control circuits in television receivers
Inventor: CRAWFORD EDWARD CHARLES
IPC: H04N5/50
Filed: 1955-08-03
Abstract: 840,842. Automatic gain control. ELECTRIC & MUSICAL INDUSTRIES Ltd. July 17, 1956 [Aug. 3, 1955], No. 22237/55. Class 40(5). A television receiver provided with automatic gain control (A.G.C.) includes means to prevent overload when a signal is first received, i.e. before the A.G.C. has time to come into operation. In a receiver comprising preliminary gain-controlled stages 1, a final video I.F. amplifier 2 and detector, video and A.G.C. stages 7, 8, 17 respectively, the screen-grid of the valve 2 is fed with boosted H.T. from the line sawtooth generator 19 via series resistor 15: thus if the valve 2 tends to overload, the increase in screen-grid current causes the screen-grid voltage to fall, so reducing the gain and preventing overloading. Reference has been directed by the Comptroller to Specification 756,951.
Patent GB-407607-A (GB)
Title: Improvements in or relating to automatic feed weighers
IPC: G01G13/00
Filed: 1933-08-09
Abstract: 407,607. Automatic - feed weighers. HENNEFER MASCHINENFABRIK C. REUTHER & REISERT, Hennef-on-Sieg, Germany. Aug. 9, 1933, No. 22248. Convention date, June 27. [Class 143.] An automatic weigher is provided with a pendulous pre-loading weight 4 mounted on the frame and acting on the weights pan 3 through the medium of a transmission lever 9 so as to pre-load the weigher during the main feed, the pivotal axis 7 of the pre-loading weight being disposed at an angle of 90‹ to the line of the fulcrum knife-edge of the scale beam. When the main feed is cut off, the pre-loading weight rests against a stop 10 and is thus rendered inoperative during the dribble feed. The pre-loading weight is situated at one side of the weigher so as to be readily accessible.
Patent GB-504991-A (GB)
Title: Improved electric system for transmitting rotary motion
IPC: H02K24/00
Filed: 1938-07-26
Abstract: 504,991. Electric control systems transformers. TENNANT, W. J. (Anschutz & Co., Ges.) July 26, 1938, No. 22258. [Class 40 (i)] [Also in Group XXXV] In a system of the type wherein a resultant field receiver is controlled by a servomotor, the servomotor is directly coupled to the receiver and the receiver is arranged to rotate at a speed higher than that of the transmitter. The system may be employed for operating a searchlight in accordance with the movements, of a gyroscope. Fig. 2 shows a system wherein the transmitter 1 is provided with a plurality of pairs of poles (shown diagrammatically) and the receiver 4 is a two-pole machine which through an amplifier 5 controls a servomotor 6 coupled directly to the receiver. The arrangement is such that normally no voltage is applied to the motor 6, but movement of the transmitter 1 produces amplified movement of the receiver field which generates a voltage in the receiver rotor to cause movement of the motor 6 and consequent movement of the rotor until the voltage is restored to zero. The direct coupling between the motors 4, 6 eliminates the hunting which would exist if the coupling included reduction gearing with backlash. In order to provide the necessary speed ratio between the transmitter and receiver, the transmitter comprises a rotor having a relatively large number of poles excited from a source of single-phase current and a stator having slots, the pitch of which differs slightly from that of the poles. The stator is provided with a wave winding of one slot pitch the arrangement being such that the E.M.F. generated varies sinusoidally with rotation of the transmitter. The stator winding may be of the closed type and tapped by polyphase line wires connected to the stator of the receiver ; alternatively separate phase windings may be provided. Fig. 7 shows a modified transmitter comprising an unwound rotor 25 and a stator 23 carrying a single-phase exciting winding 24 and separate windings 13 .. 16 connected in series or parallel to form a two-phase winding.
Patent GB-443762-A (GB)
Title: Improvements in steerable bogie constructions for road vehicles
IPC: B62D13/00
Filed: 1935-08-07
Abstract: 443,762. Steering vehicles. JONKHOFF, H. W., 4, Berger Ufer, Dusseldorf, Germany. Aug. 7, 1935, No. 22297. Con.- vention date, Aug. 7, 1934. [Class 79 (v)] A steerable bogie construction for road vehicles comprises a cross beam 1 having a pivot 3 at each end for an independent two-axle truck 6, means to keep the two trucks parallel to each other, and approximately parallel connecting rods 12 between the front or steering wheels A and the cross beam to steer the said front wheels. In the construction shown applied to a trailer vehicle having two bogies, each cross beam 1 is pivoted at 2 to the vehicle body and a draw-bar 11 is fixed to each cross beam. The draw-bar which is at the rear, according to the direction of movement, is held in the central position by stops 15. The two trucks 6 of each bogie are maintained parallel to each other by the means shown in Fig. 3b, toothed sectors 9 on the trucks meshing with a common idler wheel 8 mounted on the pivot 2. When the draw-bar is swivelled by the tractor vehicle the cross-beam 1 turns therewith and, through the rods 12, swivels the front wheels A. Forward movement of the trailer now causes the trucks 6 to align themselves with the wheels A as shown in Fig. 2. The angular movement of the vehicle body and the rear cross-beam 1 relative to the steering wheels of the rear bogie causes these steering wheels and their trucks 6 to swivel as shown at the right of Fig. 2. Each truck 6 comprises arms 6, 7, Figs. 4 and 5, mounted on a shaft 5 carried by a U-shaped member 4 pivoted at 3 to the beam 1. The two arms are connected by a spring 16 fixed at one end of the arm 6.
Patent GB-800172-A (GB)
Title: Improvements in and relating to stands for photographs, mirrors and the like
IPC: A47G1/14
Filed: 1952-09-05
Abstract: 800,172. Stands. N. B. MOULDINGS, Ltd., and KING, T. B. Dec. 3, 1954 [Sept. 5, 1952], No. 22372/52. Class 52(3) A plastic swivel stand for mirrors, photographs, and the like, including moulded glass or picture holding members 5 pivotally mounted on separate moulded supports 3, a recess 13 in either the support or the holding member, preferably the former, being engaged by a trunnion or similar projection from the corresponding element, is characterized in that either the trunnion or the walls, of the recess 13 are split, e.g. at 17, to relieve excessive resistance to turning of the trunnion. The supports 3 are tenoned at 14 to push-fit into a moulded base 1.