baber/WOPTO huggingface dataset:
Patent GB-355681-A (GB)
Title: Improvements relating to hydraulic accumulators
IPC: G01F23/18
Filed: 1930-05-21
Abstract: 355,681. Hydraulic accumulators. HYDRAULIK GES., 72, M³lheimerstrasse, Duisburg, Germany. May 21, 1930, No. 15706. Convention date, May 21, 1929. [Class 69 (ii).] A compressed air accumulator without piston or float, is provided with an electric safety control, comprising a vessel communicating with the accumulator and containing a control-liquid subject to the influence of the rising and falling liquid column in the accumulator, the consequent variations of surface level of which control-liquid influence circuits whereby the control of the accumulator is effected. Compressed air is passed from a vessel 2<1> to the accumulator 1 containing in the space 5 a liquid such as water, under pressure, which liquid enters and leaves the accumulator by the pipe 4 which may be closed by a valve 6. A vessel 8 containing a control-liquid 9 of greater specific gravity than the accumulator liquid, is connected to the liquid space 5 of the accumulator by a pipe 7. Dipping into the control-liquid 9 is a vertical pipe 10 in which the control-liquid may rise under the pressure of liquid in the accumulator, the pipe 10 being connected to the air spaces 3 of the accumulator by a pipe 11. Control members 16, 17 are provided in the pipes 7, 11. A small iron or iron-cored float 12, floats on the control-liquid and influences by changes in capacity, induction or magnetic field, electro-optically or by direct contact, circuits 13, 14, 15. The circuit 15 opens and closes the discharge valve of the accumulator, the pump being disconnected when the float rises sufficiently to act on the circuit 13 and reconnected when it falls back to circuit 14. According to the Specification as open to inspection under Sect. 91 (3) (a), the control-liquid may be of smaller specific gravity than the accumulator liquid and the controlling circuits are said also to indicate electrically the depth of water in the accumulator. This subject-matter does not appear in the Specification as accepted.
Patent GB-1216397-A (GB)
Title: Improvements in or relating to tablet forming machines
Inventor: MARSHALL KEITH
IPC: B30B11/08
Filed: 1968-04-02
Abstract: 1,216,397. Compression moulding. K. MARSHALL. 2 April, 1969 [2 April, 1968], No. 15717/68. Heading B5A. [Also in Divisions G1 and G3] In a tablet forming machine, one or more piezoelectric crystals are incorporated in the punches and allied members for monitoring the action of the machine. As shown (Fig. 2) for a multi-station machine, the upper punch 37 and lower punch 42 are located on a turntable 30 on either side of a die 31 with a central cavity 32, the lower punch extending into the cavity. At a first location 39 the cavity is filled with powder from a feeding box 40a with the lower punch 42 raised into the die hole by an amount adjustable by screw 45 and nut 46, thereby controlling the volume of powder in the die hole: at a second location 40 the powder is compressed by movement of the punches produced by rolls 47, 51: at a third location 41 the lower punch rides up a cam member 68 to force the tablet out of the die hole. The upper pressure roll 47 at location 40 is supported between two members (49, 50, Fig. 3, not shown) each incorporating a piezoelectric crystal (70, 71) measuring the compressive force. The lower pressure roll 51 is attached by a set-screw 54 to a shaft 52 and a pivotable assembly so that the height is adjustable by a nut 66, and incorporates a piezocrystal 78 as shown, or associated with the set screw 54 (Fig. 4, not shown). The pressure developed by the upper roll 47 may be measured by a piezocrystal located internally in the roll (Fig. 5, not shown). A further piezocrystal 82 is located underneath the cam member 68 to measure the ejection force. The signals developed in the crystals are used to operate a counter, and are also averaged and compared with a reference value to produce an error signal for adjusting nut 46 to control the volume of powder used or for adjusting nut 66 to control the position of the lower punch during compression.
Patent GB-542069-A (GB)
Title: Attachment for turning-lathes
IPC: B23Q35/10
Filed: 1940-10-30
Abstract: 542,069. Turning. McNEIL, J., and McNEIL, M. Oct. 30, 1940, No. 15844. [Class 83 (iii)] Ogival heads for shells and, like bodies are turned by a tool 17 carried by a lever 16, with a fulcrum 14 laterally adjustable on the saddle 11, and a follower 22 at its other end engaging a cam track 23. The interior may be machined at the same time by a second cam-controlled lever having its fulcrum on a cross slide 20 adjustable on the saddle by the screw 21. The tools are preferably set to cut in a plane a little above the line of centres.
Patent GB-1217521-A (GB)
Title: Apparatus for dyeing textile fashioned fabrics
Inventor: FRAUCHIGER HANS
IPC: D06B5/00
Filed: 1968-04-03
Abstract: 1,217,521. Dye vats. H. FRAUCHIGER. 3 April, 1968 [3 April, 1967], No. 15941/68. Heading D1L. The dye vat 1 is pivoted about horizontal axis 2 to enable it to be loaded and unloaded through end wall 1a. The goods are placed in revolving drum 14.
Patent GB-128945-A (GB)
Title: Improvements in Hydro-extractors.
Inventor: JOSE YLLA CONTE
IPC: B01D33/00
Filed: 1919-06-25
Abstract: 128,945. Conte, J. Y. June 27, 1918, [Convention date]. Void [Published under Sect. 91 of the Act]. Rotary filters.-A rotary suction filter, suitable for example for separating fecula from water, comprises a drum 1 divided by radial partitions into compartments which communicate through apertures 6 with chambers 8, 9 to which independent suction pipes 10, 11 are connected. The mixture is spread over the filter from cocks 13 on a pipe 12, through which excess of the mixture is circulated from a tank provided with an agitator. A scraper removes the separated solid from the surface of the drum. The compartment sweeping the arc between the scraper and the pipe 12 is connected to the chamber 8, through which the suction is weaker than through the chamber 9. Modified apparatus is described in which the spray pipe is omitted, and the filter drum has its lower portion immersed in the mixture, which is in a receptacle provided with an agitator.
Patent GB-1245540-A (GB)
Title: Improvements in pumps for conveying liquids
Inventor: HERTEL HEINRICH
IPC: F04F7/00
Filed: 1969-03-27
Abstract: 1,245,540. Oscillating-blade apparatus. H. HERTEL. March 27, 1969 [April 29, 1968], No.16144/69. Heading F1R. A pump for conveying fluids comprises a plate 2 which is pivotally mounted on a crank-pin 3 of a driving disc 4 and which oscillates within a pump casing 1 and is provided with flaps 6, 5 resiliently pressed towards the plate for preventing the fluid from flowing freely around its edge facing the oncoming fluids. The flaps may be formed of rubber and have metal springs 7 which may be replaced by rubber blocks (7a) Fig.2 (not shown) or air-fill chambers (7b) Fig. 2a (not shown). The driving disc 4 is provided with radial grooves for cutting bodies such as rags carried along with the fluid. Elastic diaphragm (38) Fig.3 (not shown) may be provided so that rigid substances may not be obstructed. The plate 2 is composed of individual finger-like sections (33a) Fig. 4 (not shown) for the same purpose of preventing foreign substances from obstructing the working of the pump.
Patent GB-545255-A (GB)
Title: Improvements in or relating to salt baths for the heat treatment of metals
IPC: C21D1/607
Filed: 1940-11-11
Abstract: 545,255. Heat-treating metals. BIRMING- HAM ELECTRIC FURNACES, Ltd., and HIPKINS, E. C. Nov. 11, 1940, No. 16309. Drawings to Specification. [Class 72] Salt bath furnaces for the heat treatment of metals are filled or emptied by the addition of water or water vapour to the salt or salts within a container supported in the furnace in the initial stages of the filling and emptying operations. To fill the furnace, water in such proportions as to produce on heating a saturated solution is added to the salt in the container, the contents being subsequently heated further to produce a super-saturated solution and then a molten fluid which is raised to the working temperature whilst adding additional salt &c. to bring the bath up to working level. To empty the furnace the molten salt is rehydrated by the addition of water to reduce the temperature of the salt, the solution being subsequently pumped out. The solution may be pumped into a separate container or containers and may be cooled by aeration to provide a powdery and friable mass or the solution produced in the bath may be aerated to produce such a mass which may be removed by shovelling &c. The water may be introduced into the bath through a coil immersed in the latter and formed adjacent its discharge end with a portion of inverted U-shape, the crown of said portion being located above the normal working level of the molten salt.
Patent GB-1009073-A (GB)
Title: Armour cupola
IPC: F41A9/54
Filed: 1964-04-21
Abstract: 1,009,073. Armour cupola. OERLIKON-BUHRLE HOLDING A.G. April 21, 1964 [May 16, 1963], No. 16483/64. Heading F3C. An armour cupola has a drum shield 7, 8 pivotable about a horizontal axis A and an ejector shaft 10 for cartridge cases connected therewith. A cut-out 9 is arranged in the ceiling 31 of the cupola and is capable of being closed by a closure slide 11 spring biased over at least part of its sliding path to contact the shaft 10. The sliding path is limited in the advance position by the drum shield 8. The shaft 10 is provided with a pivoted flap 16 which is opened and closed by the gunner via members 17, 18. With the flap open the cartridge cases 19 impinge on the flap 16 and are deflected away laterally.
Patent GB-1108421-A (GB)
Title: Improvements relating to resin-bonded laminated-paper electrical insulation
Inventor: BARKER HARRY
IPC: B32B27/00
Filed: 1964-04-21
Abstract: 1,108,421. Bushing insulators. BUSHING CO. Ltd. 20 April, 1965 [21 April, 1964; 2 Sept., 1964], Nos. 16509/64 and 35945/64. Heading H2C. [Also in Division C2] A method of making resin bonded wound paper electrical insulation comprises winding simultaneously or successively on to a former superimposed alternate layers of electrical grade paper and of dry, flexible, synthetic resin film respectively so that resin film is interposed between adjacent layers of the paper winding, and applying heat and pressure to the winding to bond the resin to the paper. The former may be angled or curved and may comprise an electrical conductor. Fig. 1, shows a winding installation in which 10 is a rotating mandrel, 11 a sheet of paper and 12 a resin film. Fig. 7, shows a winding installation in which 32 is a rotating mandrel, 34 is a tape of creped or plain paper and 40 is a resin film. Fig. 5, shows a completed bushing in which 32 is the mandrel, 36 shows the resin layers, 37 the paper layers and 38 metallic layers. Specified resins are phenoxy and epoxy resins.
Patent GB-275004-A (GB)
Title: Improvements in receivers for pneumatic conveyors
IPC: B65G53/46
Filed: 1926-07-01
Abstract: 275,004. Pneumatic Conveyance & Extraction, Ltd., and Yates, J. A. July 1, 1926. Addition to 204,480. Pneumatic conveyers.-In receivers of the kind described in the parent Specification, the lever 12 of the balanced valve mechanism is provided on its underside with a U-ahaped guide 52, Fig. 1-, on which is supported a rolling weight 53 for the purpose of facilitating the change over between the two operative positions of the parts. Adjustable counterweights 58 are provided on the outer end of the lever 12. In a modification, a weight 53, Fig. 2, rolls on plates 56 above the lever 12. Rubber covered buffers 57 are provided at the ends of the plates. In another modification a spring- loaded mechanism replaces the rolling weight.
Patent GB-1475820-A (GB)
Title: Serial storage arrays
IPC: G11C27/04
Filed: 1975-04-22
Abstract: 1475820 Shift register circuits INTERNATIONAL BUSINESS MACHINES CORP 22 April 1975 [10 June 1974] 16532/75 Heading G4C Data items, e.g. a-k, Fig. 3, are successively shifted out of a shift register 10, Fig. 1, by means of the sequence of steps shown in Fig. 3, step (i) consisting of reading out the rightmost data item, steps (ii, iv, vi, viii and x) consisting of right-shifting data item(s) only into empty locations of the shift register, and steps (iii, v, vii and ix) consisting of right-shifting data item(s) only into empty locations together with the reading-out of the rightmost data item, the first and second sequences of steps being carried out alternately so that the number of data items being right-shifted progressively increases to a maximum. When the maximum is reached the remaining data items in the register are read out by means of two-phase clock pulses. A sequence of equi-spaced pulses may be repeatedly applied to alternate locations to effect the transfer, the first pulse in each repeated sequence coinciding with the second pulse of the immediately preceding sequence, a second sequence of equi-spaced pulses 180 degrees out of phase with the first pulses being repeatedly applied to the intermediate locations. Each location of the shift register 10 may include a photosensitive FET T1, T2 and T3 having a respective storage capacitor C1, C2 and C3 connected between its gate and its drain, the storage capacitors being initially charged to a predetermined voltage prior to exposure of the shift register 10 to an optical source, data being stored in the locations by means of partially discharging the capacitors through the transistors in response to the intensity of the light falling on each transistor. Pulses for controlling the transfer of data along the shift register 10 are obtained from pulse sources 30, 31, the pulses passing via phase driver circuits 20-23 arranged so that each pulse arriving at a location of the shift register is delayed by an amount related to the number of the location within the shift register. The invention may be applied to an optical mark or pattern reader.
Patent GB-755367-A (GB)
Title: Improvements in or relating to negative-feed-back transistor amplifiers
IPC: H03F1/34
Filed: 1954-06-04
Abstract: 755,367. Transistor amplifying circuits. PHILIPS ELECTRICAL INDUSTRIES, Ltd. June 4, 1954 [June 9, 1953], No. 16613/54. Class 40 (6). In a negative feedback amplifier, in which the signal 1, Fig. 1, is applied to the base of a first transistor 2, the collector being connected directly to the emitter of a second transistor 3, a negative feedback impedance 6 is arranged in the circuit common to the emitter of transistor 2 and the base of transistor 3. The alpha of transistor 2 is equal to or less than unity and that of transistor 3 greater than unity. The transistor 2 is of the PNP type and transistor 3 is a point contact type. A pair of circuits may be fed in push-pull, Fig. 2 (not shown). Alternatively, Fig. 3, the input. is applied in-phase to PNP transistor 2c and NPN transistor 2d to produce push-pull currents in leads 4c, 4d. These are fed to complementary point contact transistors 3c, 3d to give in-phase output currents which are combined in the output transformer feeding the load 12. Individual negative feedback is effected over resistors 6c, 6d.
Patent GB-671624-A (GB)
Title: Improvements in inflatable rubber and like articles, and to airtight closures therefor
Inventor: YATES HENRY ALBERT
IPC: F16K15/20
Filed: 1950-07-04
Abstract: 671,624. Inflating-valves. LEA BRIDGE RUBBER WORKS, Ltd. July 4, 1950, No. 16667/50. Class 135 [Also in Group XV] To seal an inflatable article, an inflation tube 2, 3 is rolled or folded along the portion 2 and then pushed through an opening 6 in the article of smaller diameter thar the part 3 of the tube. The par 3 when pushec through the opening 6, parti ally envelops the rolled or folded part of the tube, and the seal is enhanced by the pressure in the article. The end 8 of the tube bore is reduced to reduce leakage. Specification 359,377 is referred to.
Patent GB-206884-A (GB)
Title: Improvements in and relating to variable speed gear
IPC: F16H61/662
Filed: 1922-06-16
Abstract: 206,884. Knoller, E. June 16, 1922. Driving machines. - Variable.speed friction gearing of the kind comprising driving and driven elements 42, 40, Fig. 1, having annular gear tracks of curved contour connected by rollers 8 which are tilted to vary the speed, is modified as to the mounting of these rollers. The rollers turn about stub shafts 8<1> pivoted upon a carrier 47, which has a relative axial motion in changing speed. The carrier 47 is adapted to move axially along with a sleeve 48 and with a central rod 1. Thus movement of a lever 45 in the plane of the paper changes the speed imparted to the main driven element 40. This gear train may transmit the main drive of a machine tool of which the feed drive takes place between the same driving pulley 41 and a driven gear 46 through tilting rollers 52. This second train is operated through a screw connection when a relative turning is imparted to the sleeve 48. This relative turning may be caused automatically by the response of a spring 49 to change of torque in the main train. It may be effected manually by turning the leyer 45 in a plane perpendicular to that of the paper. In a modification shown in Fig. 2, the main drive passes from a shaft 1 through a yielding coupling 53, 54 and a gear 55 to a gear 56. Yielding axially of the coupling in response to change of torque causes the train 58, 52, 59 to slide relatively to the carrier 60 and so vary the speed of the feed gear 62. A further modification comprising a yielding coupling and means to effect reversal of the feed is described as applicable to saws.
Patent GB-181727-A (GB)
Title: Improvements in and relating to safety devices for internal combustion engines for preventing back-firing
IPC: F02M1/00
Filed: 1922-06-16
Abstract: 181,727. Gerlach, H. June 16, 1921, [Convention date]. Cylinders, pipes for. -To prevent back-firing, one or more gratings 4 having parallel bars 6 rounded in cross-section, and arranged alternately with, and spaced apart from, two or more gauzes 8, are arranged in the induction pipe. When two or more gratings are employed, they are arranged with the bars 6 of one grating at an angle with respect to the bars of the other gratings. Spacing-rings may be fitted between the gauzes and the grating. The gratings may be mounted in a member 1 adapted to be inserted between the flanges of a pipe joint.
Patent GB-409522-A (GB)
Title: Process of preparing purified lubricating and electrical resistance oil from used or waste oils
IPC: C10M175/00
Filed: 1933-06-12
Abstract: Used lubricating or electrical-insulating oils are regenerated by submitting the oil, preferably freed from solid impurities, to centrifugal treatment at a temperature of 10 to 25 DEG  C., and then treating the resulting oil with an alkaline liquid.  Waste lubricating oil is passed through a sieve to remove coarser solid impurities and is then centrifuged at 25 DEG  C.  The oil, free from solid materials is then stirred and heated to 40 DEG  C. under reduced pressure to remove volatile ingredients, after which a solution of sodium carbonate is added, or trisodium phosphate in the case of acidic oils.  The mixed liquids are well stirred to form an emulsion and after standing the alkali layer is drawn off, the oil washed with warm water and finally dehydrated by centrifuging or heating under reduced pressure.  The temperature may be increased finally to 80 DEG  C. to remove any traces of volatile ingredients. In the treatment with an alkaline liquid the formation of a permanent emulsion is prevented and separation is promoted by adding water glass or other substances to increase the specific weight of the alkaline liquid.
Patent GB-220285-A (GB)
Title: Improvements in sensitive indicators more particularly with linear dimension gauges
IPC: G01B3/22
Filed: 1924-07-12
Abstract: 220,285. Krupp Akt.-Ges., F. Aug. 6, 1922, [Convention date]. Indicating; scales.-An indicator for use, with linear-dimension gauges for measuring work being machined comprises two pointer systems one of which is more sensitive than the other and comes into operation only when the work has been nearly finished to a predetermined dimension. The feeling bolt B which is moved by a bolt U actuates a rough measurement pointer K through a bolt F and blade J<1>, and also a sensitive pointer Q through bolts L, N, and a blade S'. A gap is arranged between the adjacent ends of the bolts L, N so that they do not contact to actuate the pointer Q until a certain movement has been imparted to the feeler B. The initial setting of the gauge is effected by a screw C in the bolt B. The indicator mav be used with gauges for internal and external measurements. To maintain the pointer Q in set position during the time of rough measurement when the movement of the feeler B is outwardly, a spring-pressed bolt D is arranged in the feeler B and contacts with the bolt L. Adjustable markers k<3>, q<3> may be fitted to the scales K<1>, Q<1> and more than two pointer systems may be provided.
Patent GB-777348-A (GB)
Title: Improvements in or relating to electric battery lamps
Inventor: CLARKE ANTHONY PETER
IPC: F21V23/00
Filed: 1954-06-08
Abstract: 777,348. Switches held set and freed mechanically. GENERAL ELECTRIC CO., Ltd. June 8, 1955 [June 8, 1954], No. 16807/54. Class 38(5) [Also in Group XI] In a battery lamp switch of the kind comprising a strip-like contact member 5. located within the battery casing 1 so that it can be deflected downwardly on to the reflector 2 to complete the bulg circuit by the depression of a button or like member 9, the button or like member is attached to the contact strip 5, and the spring 13 which biases the button to the "off" position acts also to bias the contact strip to its "off". position. In the example the flame-proof switch of the torch described in Specification 502,566 is modified by providing the lower end of the shank 8 of the operating button 9 with a part of reduced section to engage within a longitudinal key-hole slot 7 intermediate the ends of the contact strip 5. The helical spring 13 is located in an annular recess in a brass insert 11 and engages the bottom edge of an annular wall 12 of the button, which is depressed by operation of a sliding cam member 14, as in the invention. of the prior Specification referred to.
Patent GB-108615-A (GB)
Title: Improvements in Furnaces of the kind used for Heating Crucibles.
Inventor: GROCOTT FREDERICK JOHN
IPC: F27B14/14
Filed: 1916-11-24
Abstract: 108,615. Grocott, F. J. Nov. 24, 1916. Crucible furnaces.-For the supply of steam to generate a combustible gas from the fuel within the furnace, water is supplied to trough-shaped channels forming fire-bars, or may be supplied directly to the furnace at the lowest zone, or both methods mav be employed together. Heated air also is supplied at a single level or zone above the fire-bars. As shown, f and g are the troughshaped fire-bars which project at the front of the furnace to receive water from a drip pipe. Air, which may be mixed with steam, is supplied beneath the grate bv the passages l and m. Air also is supplied through the passage o and vertical communicating passages, and delivered to the fire at s.
Patent GB-893710-A (GB)
Title: Improvements in ethylene polymerisation
IPC: C08F110/02
Filed: 1960-05-12
Abstract: Solid polyethylenes are made by polymerizing ethylene under pressure in the presence of titanium carbide TiCx, where x=0,5-1,0. Polymerization of ethylene may be effected in the presence of an alumium trialkyl (each alkyl group of which contains 1-8 carbon atoms) in addition to titanium carbide. Activation of titanium carbide may be effected in an inert medium, e.g. nitrogen or noble gas.  Specified aluminium trialkyls are trimethyl, triethyl, tripropyl, triisopropyl, tributyl, triisobutyl, triamyl, triisoamyl, trihexyl, triisohexyl, triheptyl and trioctyl aluminium. Polymerization of ethylene is preferably conducted in an inert liquid hydrocarbon, e.g. pentane, hexane, heptane, cyclohexane, octane, benzene, xylene or toluene, under a pressure of 100-1000 p.s.i. and 50 DEG -300 DEG C.  Examples are given. Specification 713,081 is referred to.