baber/WOPTO huggingface dataset:
Patent GB-548396-A (GB)
Title: Apparatus for converting a direct voltage into a frequency proportional thereto
Filed: 1941-06-03
Abstract: 548,396. Relaxation oscillators. TRIGGS, W. W. (Akt.-Ges. Brown, Boveri, & Cie). June 3, 1941, No. 7028. [Class 40 (v)] In a relaxation oscillator of the kind in which a condenser is discharged through a gas-filled grid-controlled tube, a positive impulse is applied to the grid to start the discharge whenever the condenser voltage exceeds the extinction voltage of the tube by a certain fixed voltage. The oscillator is particularly intended for the generation of oscillation of a frequency which is variable with the voltage applied to the charging circuit, but is unaffected by variations in the tube characteristics or in auxiliary voltage sources. As shown in Fig. 2, the condenser 2 is charged from a source 3 through a resistance 4 and is discharged through a gas-filled tube 1. The condenser 2 is connected through a fixed voltage source 14, rectifier 13, and transformer primary 12 to a condenser 10 which is kept positively charged by a connection through resistance 9 to a tapping on a potentiometer 8 across an auxiliary source 30. The circuit 9, 10 has a high time constant and the voltage on the condenser 10 is reduced to that of the condenser 2 each time the latter is discharged through the tube, the rectifier 11 permitting this equalization at the extinction voltage of the tube. When the voltage on the condenser 2 rises to a point exceeding the extinction voltage (on condenser 10) plus the fixed voltage 14, current passes through the transformer 12 and induces a pulse in the secondary which is applied to the grid of the tube 1 and causes ignition. If the voltage 3 is a variable quantity, the frequency of the generated oscillations is a measure of that voltage and the oscillations may be used for tele-metering. In the circuit shown in Fig. 3, the condenser 2 is discharged through the tube 1 and is charged from the source 30 through a hard valve 19, the grid bias of which is determined by the source 3 and by a feed-back resistance 4 in the cathode lead. The charging current is held constant by the feed-back resistance 4. The condenser 10 is maintained at the extinction voltage as in Fig. 2, and the discharge through the tube 1 is initiated as before by a pulse through the transformer 12. This pulse is, however, amplified in a valve 15 before its application to the grid of the tube 1. The battery 14 of Fig. 2 is replaced by a condenser 23 on which a steady voltage is maintained by a regulator 20. The tripping circuit 10, 11, 12, 13, 23 includes a resistance 24 to compensate for the short discharge period of the condenser 2. The output voltage across the condenser 2 may be amplified by a valve 25, and taken through a transformer 26 and suitable filters. For telemetering, a variable voltage to be transmitted is used in place of the source 3 and the resulting variations in frequency are transmitted from the output trariformer 26.
Patent GB-305844-A (GB)
Title: An improved egg product and process of producing the same
IPC: A23B5/04
Filed: 1928-03-06
Abstract: 305,844. Epstein, A. K. March 6, 1928. Preserving liquid eggs.- In preserving liquid egg material, consisting principally of yolk, by freezing, there is added before freezing an amount of a neutral edible salt sufficient to produce in the thawed product a viscosity greater than that of the untreated material before freezing and less than that of the untreated material when thawed. Sodium chloride may be used, the amount added, 2-10 per cent, being increased according to the proportion of egg white present. Neutral sodium phosphate or nitrate may also be employed. The salts may be added in solid form or after being wetted with water or other suitable solvent.
Patent GB-1061126-A (GB)
Title: Polymeric coating compositions
Inventor: MACK HENRY PATRICK BRADSHAW
IPC: C08J7/046
Filed: 1965-02-18
Abstract: A dispersion in a volatile liquid of a tetrafluoroethylene polymer and a vinylidene chloride copolymer, the ratio of the weights of the tetrafluoroethylene polymer and the vinylidene chloride copolymer being in the range 9: 1 to 1: 19 and the vinylidene chloride copolymer itself containing 95 to 70% by weight of vinylidene chloride and 5 to 30% by weight of a copolymerizable monomer is used as a coating composition (see Division B2).  The volatile liquid is preferably water.  The exemplified vinylidene chloride copolymer is a terpolymer of vinylidene chloride, acrylonitrile and acrylic acid.ALSO:A polymeric coating composition, for coating metals, wood, textiles, paper, plastics and glass comprises a dispersion in a volatile liquid of a tetra fluoroethylene polymer and a vinylidene chloride copolymer (see Division C3).  The preferred volatile liquid is water but may be an organic solvent.  The compositions may be applied by dipping, spraying, brushing or airknife or doctor-knife coating, and the composition is dried on the surface at a temperature between room temperature and 180 DEG C.  Substrates mentioned are paper, cardboard, leather, woven materials derived from natural fibres such as cotton, wool or from synthetic fibres, asbestos and glass fibres, and various articles of wood, plastics, metal.  The examples include coated aluminium plaques, polished chromium plated brass plates, nitrile rubber conveyor belts, polyethylene terephthalate film and fabric, polypropylene and nylon sheets, beakers moulded from wood filled urea-formaldehyde plastics, wire cable, heating elements, aluminium coffee percolator, copper bullet heads.
Patent GB-303687-A (GB)
Title: Suspended travelling ladder
IPC: E06C1/397
Filed: 1928-03-07
Abstract: 303,687. Yuchetel, M. March. 7, 1928. Ladders.-Rail-ladders for buildings, libraries, and the like are pivoted to carriages with spring supports so that the ladder is depressed on mounting and automatically rises on release. The carriage is provided with running wheels A and binding wheels P, and the supporting bars D for the ladder are pivoted to bars B on the carriage. Spiral springs E are interposed between brackets 0 on the top of the ladder and washers L secured to the lower ends of the supporting bars. Cylindrical covers N are mounted between the brackets 0 to enclose the springs.
Patent GB-1511830-A (GB)
Title: Positioning of vehicles such as aircraft refuelling vehicles
IPC: G01C22/02
Filed: 1975-04-24
Abstract: 1511830 Vehicle positioning unit GLOSTER SARO Ltd 24 April 1975 [15 Feb 1974] 7101/74 Heading G4D In a vehicle, a device for positioning the vehicle with a particular point on it adjacent to a particular station comprises means 18, 21 for generating pulses at a rate proportional to the vehicle speed, a counter 25, means 27 for setting into the counter, the distance from the driver's cab to the said point, circuitry 23, 24 to cause the counter to count down to zero in response to said pulses, and means, e.g. display 16, to inform the driver when the count has reached zero. In use in an aircraft-refuelling tanker the driver pushes start button 15 as the cab, which may have a glass roof panel, comes directly under the refuelling point. This unclamps counter 25 and feeds into it via preset register 27 a binary number indicative of the known distance, e.g. 44 feet between the cab and the fuel supply hoses at the rear of the vehicle. Pulses from the vane switch 21 via pulse shaper 23 and frequency divider 24 cause the counter to count down from this preset number and the distance remaining to travel is displayed in decimal form in display 16. The binary number in counter 25 is continually compared by comparator 29 with a preset number in register 30 indicative of the distance, e.g. 5 feet, at which an alarm 32 is to be sounded. When the distance to go reaches zero a signal from detector 33 resets flip-flops 26 and 31 thus switching off the alarm and reclamping the counter at zero. A second similar circuit utilizing the same display as that described above may be incorporated for positioning the tanker refilling points, this circuit being operated by start button 34.
Patent GB-549801-A (GB)
Title: Food preparation and process for the production thereof
IPC: A23C21/08
Filed: 1941-06-05
Abstract: 549,801. Food preparations. SCHAUL, M. C., and DEUTSCH, B. June 5, 1941, No. 7124. [Classes 28 (i) and 49] Liquid whey concentrate is partly or wholly neutralized as by calcium carbonate and converted without application of heat into a dry pulverulent product by incorporating therewith absorbent fillers having a nutrient value, particularly soya-bean, corn, potato or other flour. The fillers may be dried before use. Part of the lactose may be removed from the concentrate. Neutralization may be effected at about 26‹C. and the mixture allowed to stand for 5 to 6 hours. If the neutralization be left incomplete sodium bicarbonate may be mixed with the product to provide a raising action similar to that of baking powder. Dried yeast may be incorporated in an egg substitute, which may be coloured by annatto &c. and dry powdered lactose in a milk substitute. In an ice cream mixture, a small amount of sodium alginate or other stabilizer and, if desired, powdered sugar or other sweetener, may be incorporated.
Patent GB-597946-A (GB)
Title: Improvements relating to the automatic control of electric heating elements
IPC: G05D23/19
Filed: 1945-03-21
Abstract: 597,946. Electric heating. BRITISH THOMSON-HOUSTON CO., Ltd., SIMS, W.J., and BRUNT, B. P. March 21, 1945, No. 7139. [Class 39 (iii)] [Also in Group XXXV] In an electric heating system, the heating element is in two parts 2 and 3 which are connected in parallel or series respectively with the source of supply by the action of a thermalresponsive switch 1 which is heated by an auxiliary element 12 energized from the supply, the parts being in parallel when the switch is cold and in series when it is sufficiently heated. The switch comprises a bimetal element 4 carrying at its free end a contact 5 and an insulating member 11. On the element 4 deflecting, the contacts 5 and 6 are opened, contact 5 touching contact 7 to complete the series circuit, whilst member 11 breaks the parallel circuit at contacts 9 and 10, contact 9 being resiliently mounted for this purpose. It is intended that a separate thermal-responsive switch will open and close the main heating circuit periodically to maintain -the average watts input constant. U.S.A. Specification 1,751,416 is referred to.
Patent GB-1036683-A (GB)
Title: Laser
IPC: H01S3/113
Filed: 1965-02-19
Abstract: 1,036,683. Lasers. INTERNATIONAL BUSINESS MACHINES CORPORATION. Feb. 19, 1965 [March 9, 1964], No. 7179/65. Heading H3B. A laser is Q-switched by an absorption cell in the optical cavity which is bleached by the emitted radiation, the cell including a metal porphyrin dissolved in an organic solvent. As shown, the active medium comprises a ruby crystal 2 which is pumped by a flash tube 22 and has light reflecting facets 4, 6 at one end, the optical cavity being completed by an external partially-transmitting mirror 10. A glass cell 12 containing a light-sensitive solution 18 is located in the optical cavity. Antireflecting coatings 8, 14, 16 may be used. The cell contains a solution of chloro-aluminium phthalocyanine in chloronaphthalene, which acts as a variable light attenuator since it has the recoverable property of becoming bleached and losing its absorption characteristics whenever subjected to an intense beam of light. This bleaching action by the laser beam takes place in a time which is short compared with the lifetime of the stimulated emission, and the consequential increase of Q produces an output pulse of high duration which may be sensed at 20. Other absorption solutions are dilithium or vanadium phthalocyanine diluted in chloronaphthalene.
Patent GB-849995-A (GB)
Title: A method and apparatus for producing solid or hollow bodies of chocolate or the like
IPC: A23G1/20
Filed: 1958-03-06
Abstract: 849,995. Depositing chocolate &c. into moulds. WINKLER, R., and DUNNEBIER, K. March 6, 1958 [March 12, 1957], No. 7187/58. Class 87(2). Liquid chocolate pours from a heated container 1 past a regulating flap 2 into a sluice 5, the flap 2 being actuated by a rod 3, and moulds 11 pass beneath the sluice in a continuous movement, being impelled by projections 14 from a driving chain 13. The sluice comprises side walls 6 of resilient material, an inclined bottom 7 with a steel plate 8 at its front edge which presses resiliently against the the surface of the mould below, a scraper 9 forming the front wall and a rear wall which carries an overflow trough 12. The scraper 9 is of resilient material and is attached to a bracket 15 which is connected by levers 17 to brackets 18 which roll on side rails 10. The side walls 6 are adjustably secured to the rails 10. Devices, not shown, actuate the flap 2 and scraper 9, through rods 3, 20 respectively so that the amount of chocolate is regulated and the scraper 9 opens and closes in such a manner as to keep the mould surface clean and to govern the form of the chocolate filling in. the mould cavities. For example, if the angle of the scraper 9 is narrowed, Fig. 4, the mould cavity fillings are given convex surfaces, while if the scraper is adjusted so that it partly enters the mould cavities a concave surface results. Any excess chocolate material in the sluice runs over into the trough 12 whence it passes out sideways into the apparatus. Hollow chocolate bodies with edible fillings may be covered over with chocolate mixture, using a stencil plate.
Patent GB-447352-A (GB)
Title: Ear-plug
IPC: A61F11/08
Filed: 1935-03-09
Abstract: 447,352. Ear-plugs. MAcLELLAN & CO., Ltd., G., and MAcLELLAN, K., Maryhill, Glasgow. March 9, 1935, No. 7447. [Class 81 (ii)] A one-piece ear-plug for use by bathers, aeroplane passengers, &c., comprises a rubber moulding having two protuberances 1, 2 separated by a collar 3. The longer protuberance 1 is hollow and is adapted to be placed in the auditory canal. The internal portion of the protuberance 1 communicates with the air via the passage 4 through the other protuberance.
Patent GB-1262159-A (GB)
Title: Improvements in apparatus comprising a rotary kiln and an installation for preheating material to be treated in the kiln
IPC: F27B7/20
Filed: 1969-02-12
Abstract: 1,262,159. Feeding and preheating furnace charges. CREUSOT-LOIRE. 12 Feb., 1969 [20 Feb., 1968], No. 7547/69. Heading F4B. Apparatus comprising a rotary kiln for the treatment of material and an installation for preheating the material to be treated by contacting it with flue gas from the kiln, includes an elongated duct 8 joining the gas outlet aperture 3 of the kiln to the preheating installation, an open-ended sleeve 11 extending through the wall of the duct 8 and having a branch 12 connected to the outlet for preheated material from the preheating installation, and a tube 13 slideably disposed within the sleeve for feeding the material into the kiln. The open lower end 15 of the tube 13 is disposable within the kiln at a level below the lower edge of the gas outlet aperture 3. As shown, the preheating installation allows part of the gas to be recycled. A pair of conduits 19 are provided for feeding the recycled gas into the duct 8 in directions converging towards the outlet aperture of the kiln.
Patent GB-421265-A (GB)
Title: Improvements relating to corking machines
IPC: B67B1/04
Filed: 1933-03-13
Abstract: 421,265. Corking-machines. WINTENBERGER, P., Sable-sur-Sarthe, Sarthe, France. March 13, 1933, No. 7582. [Class 125 (ii)] Relates to corking-machines of the type in which the bottlerest is positively locked during the insertion of the cork, and in which the corking plunger moves down to its operative position while the cork is being compressed. In the present instance, the bottlerest 6 is guided vertically in a slot 4 in the frame of the machine, and is movable to positions determined by the heights of the bottles to be corked. A counterweight 14 on a rope 12 passing over a projection 13 on a cam 17 which operates the cork compressor 24, locks the bottle rest during the corking move. ment. The corking lever 19 in its continued movement operates a plunger 33 to cork the bottle. The bottle-rest is urged upwardly by a lever 7 and spring 10. In a modification the counterweight is a wedge shaped member carried on a chain passing over a sprocket wheel which cooperates with a cam on the operating lever.
Patent GB-464469-A (GB)
Title: Improvements in braided elastic fabrics and method of making the same
IPC: D04C1/08
Filed: 1935-07-12
Abstract: 464,469. Braid. NARROW FABRIC CO. July 12, 1935, No. 7582/37. Convention date, April 11, 1935. Divided out of 464,394. [Class 74 (i)] A braided elastic band comprises longitudinally extending border portions and central portion, including longitudinal elastic strands and inelastic transverse strands forming pillarlike portions 1, spaced apart longitudinally of the band, the elastic strands being decussated in one or more pairs between the pillar-like portions. The band is provided with a picot edge b, and a topping edge c, this topping edge comprising braided inelastic threads 101, 102, 103, &c., held in place by an intertwisted pair of elastic threads 150, 151, forming selvedge edge with openings 161, 162, 163, &c., for topping on to the needles of a stocking- knitting knitting machine. The band is made by the general method described in Specification 464,394, the pairs of longitudinally extending elastic strands being substantially parallel to each other in the pillar-like portions. Specification 464,470 also is referred to.
Patent GB-492183-A (GB)
Title: Improvements in or relating to gas burners
IPC: F24C3/08
Filed: 1937-03-15
Abstract: 492,183. Stoves; burners. EICHELGRUN, M., and SCHAPIRA, E., (trading as EICHELGRUN & CO., M.). March 15, 1937, No. 7595. Convention date, March 14, 1936. [Classes 75 (i) and 126] Sector-shaped flaps 2, pivoted about their outer edges, are arranged around a gas burner 1 for regulating the secondary combustion air. As shown, the bearing pins 7 are held in claws 8 on an annular member 9 secured to the hotplate 3 of a stove, the pins being supported by sliding plates 10 in radial slots in the member 9. The slides 10 bear on cam surfaces 11 of lugs on the flaps and are provided with bolts 12 engaging oblique slots 13 in a rotatable adjusting ring 14 having a handle 15, preferably coupled to the handle 16 of the gas cock by means of a bolt 18 projecting between two guide surfaces 17 at an acute angle. The burner is provided with lateral outlets 5 in curved guide surfaces 4 for the inner end of the flaps and abutments 6 for limiting the downward movement of the flaps. When the burner is not in use, the flaps fit closely side by side in the plane of the hot-plate 3 and the upper surface of the burner. On operating the handle 15, the flaps are tilted downwardly to expose slots of gradually increasing width for the passage of the secondary air, the gas cock remaining closed until the inner ends of the flaps are approximately at the levels of the outlets 5. Lips or ribs 19 project from the hot-plate between the flaps for supporting small cooking utensils.
Patent GB-304176-A (GB)
Title: Improvements in methods of obtaining direction of subaqueous sounds
IPC: G01S1/72
Filed: 1918-05-06
Abstract: 304,176. Ryan, C. P. May 6, 1918. Detecting and locating subaqueous sounds. - For detecting and locating submarine sounds a hydrophone of the two diaphragm type of the kind described in Speci. fication 15320/15 is enclosed in a rubber casing and clamped to a turntable mounted with an enclosed operating motor in a streamline body through which the water passes and which has steadying fins and is towed by a cable enclosing the leads. The body A, Fig. 6, has two coned ends i, i' of wood, rubber, aluninium or other material with internal stiffening members attached to a middle part formed of teak battens, which may be partly removed for access to the interior. Longitudinal apertures j<1> gives access to the water. The two diaphragms a, Fig. 1, are mounted in a heavy ring b as described in Specification 304,036 and are coupled by a rod c carrying the microphone and shorter than the distance between the diaphragms so that when assembled they are drawn in slightly so as to avoid loss of efficiency due to lack of symmetry. The distance is such that diaphragms simultaneously sustain a maximum and a minimum effect from the advancing soundwave. Rubber blocks d fitting tightly in the bore of the casing and easily on the coupling rod c increase the discriminating power of the device. The casing b may be reduced in weight if covered or wrapped with rubber or other tape or if a rubber sleeve in halves is slipped into position over it from opposite ends. The whole is then clamped in bracket rings f, Fig. 2, secured to a turntable l, the rings carrying adjustable slides g which support a baffle, h composed of outer vulcanite plates h<1> with interposed alternating rubber and lead plates If the hydrophone is to be made uni-directional at will, the baffle may be fitted for raising or lowering for example by means of a solenoid, for the leads of which two extra wires would be provided in the cable. The turntable is geared to a pinion m driven by a motor in a casing n. The axle l<1> of the turntable is hollow and carries a disc p on which are two concentric contact rings p<1> wired to the microphone and bearing against a pair of spring plungers l<7> connected to the leads which enter through glands l<5>, l<6>. The disc p also carries a bridge contact p<3> bearing on the stops p<4> of a graduated resistance concentric with the step bearing l<2> of the axle l<1> and on a concentric metal ring p<5>. The terminals of the resistance are connected to leads passing through a gland p' to a battery and indicator in the towing vessel, the pointer of the indicator showing readings to port and starboard from a central zero.
Patent GB-307467-A (GB)
Title: Process and apparatus for manufacturing anatomically accurate individual insoles forshoes
IPC: A43D1/00
Filed: 1929-03-08
Abstract: 307,467. Hess, F. March 8, 1928, [Convention date]. Surgical appliances.-Foot-arch supports are stamped from a metal plate r according to the shape of the foot between a surface formed bv a number of spring-controlled pins b on which the foot is placed to impart its shape thereto, the pins being then locked in position by a bar i and eccentrics m and a similarly formed surface of pins q without springs engaged with the first surface and similarly locked. The pins b, q are fitted in metal boxes a, p and have extensions c which pass through a perforated plate d in each box. Springs e surround extensions c of pins b and maintain these pins normally in the raised position. The box a is slidably mounted between guide bars g in a frame o in which the box p is mounted on a screw spindle s to form a press.
Patent GB-231193-A (GB)
Title: Improvements in or relating to sewing machines
IPC: D05B55/12
Filed: 1925-03-21
Abstract: 231,193. Brase, W., and Graaff, C. March 21, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Multiple-needle mechanism. - In a multipleneedle machine in which the needles are arranged one behind another in the line of feed, the distance between the needles is adjustable, and in some cases may be automatically varied when the length of the feed is adjusted. In the arrangement shown in Fig. 2 a needle k, mounted with a needle m on a block c, is secured in a block d having a spline f engaging a slot e in the block c and locked in position by a set screw entering a slot g. In the modification shown in Fig. 6 an auxiliary needle bar n carrying the needle k is guided by a sleeve o mounted on radius arms which allow its distance from the main needlebar b to be varied. The sleeve is stressed to the right by a spring v and is adjusted by a cam u linked to the stitch-varying mechanism. The bar n has a head x which is locked in a fork w on the bar b by a spring pin z which enters a slot in the head x. When it is desired to put the needle k out of action the head may be disengaged from the fork and engaged by a similar fork 3 carried by a standard 2.