baber/WOPTO huggingface dataset:
Patent GB-1384703-A (GB)
Title: Volumetric gas flow indicator
IPC: A61B5/091
Filed: 1971-03-10
Abstract: 1384703 Respiratory apparatus BRITISH OXYGEN CO Ltd 10 March 1972 [10 March 1971] 6474/71 Heading A5T [Also in Division G1] A lung ventilator in which the volumes of gas passing through and from a patient are compared comprises an integrator 14 giving an electrical output indicative of inspiratory gas volume, a similar integrator 27 indicating expiratory volume, and a comparator 46 for these two signals, the device including a volt meter 46 which indicates an increased voltage with each pulse generated by a first flow sensor 12 each time a unit volume of gas passes to the patient and which indicates a decreased voltage with each pulse generated by a second sensor 26 during the exhalation part of the cycle the volt meter returning to zero at the end of each exhalation period. As shown, oxygen and air are mixed in a mixer 2 and pass to a unit 4, which determines a pattern of flow for the inspiratory phase, and to a flow rate controller 6. The gas then passes through a valve 8 and a sensor 12 to a valve 16 and thence to the patient, the exhaled gas returning through the valve 16 and conduit 22. The sensor 12 produces a pulse per unit volume of gas passing, and these pulses are fed to a pulse counter or integrator 14. Expired air is sensed by a similar sensor 26 which feeds an. integrator or counter 27. The voltage at 14 is compared in a comparator 36 with a signal from 38 indicating a predetermined intake of gas. When this level is reached a control 10 is operated to close the valve 8, and open a valve 28 thereby initiating the expiratory phase. The outputs of the integrators 14, 27 are fed to two inputs of an indicator 46 which indicates the differential voltage across its terminals. During the inspiratory phase the indicator pointer moves across a scale in one direction and during the expiration period it reverses, returning to zero if no leaks exist. The expiratory phase is timed by a timer 40 triggered by the operation of the valve 28 and supplying a signal to reset the comparator 36.
Patent GB-1034853-A (GB)
Title: Improvements in or relating to the truing of grinding wheels
IPC: B24B53/08
Filed: 1963-02-18
Abstract: 1,034,853. Grinding. SIDKOPINGS MEKANISKA VERKSTADS A.B. Feb. 18, 1963 [March 10, 1962], No. 6492/63. Heading B3D. A truing and feeding device for the grinding wheel 1 of a centreless grinding machine comprises a truing tool 9 which is reciprocable axially of the grinding wheel between a position of rest and a reversing position, a control surface 15 located concentrically with the grinding wheel so as to be trimmed by the truing tool in the same stroke or an extension thereof, and a gauging device 16 which senses the position of the control surface and interrupts a feed means for the grinding wheel when that portion of the grinding wheel which contacts the workpiece 4 has reached a predetermined position. When the grinding wheel requires truing, the tool 9, which may be a diamond, is moved in the direction of the arrow C and urged by a spring so that a follower engages a cam to trim the grinding wheel and control surface. The tool may then be advanced a small distance before returning to its rest position to fine trim the surface 15 and wheel. The slide for the grinding wheel is then advanced to a position determined by a pneumatic or other type of gauge 16 cooperating with the surface 15 to position the grinding wheel for operating on the next workpiece. The feed of the grinding wheel may be effected during the return stroke of the truing tool. The surface 15 may be on a plastic wheel, a grinding wheel less porous than the grinding wheel 1, or on the grinding wheel 1 itself.
Patent GB-1346021-A (GB)
Title: Preparation of polyisocyanurate resins
IPC: C08G18/02
Filed: 1972-02-11
Abstract: 1346021 Modified polyisocyanurate resins MITSUBISHI CHEMICAL INDUSTRIES Ltd and K C FRISCH 11 Feb 1972 [12 Feb 1971] 6506/72 Headings C3B C3C and C3R] Modified polyisocyanurate resins are prepared by polymerizing a polyisocyanate composition containing an isocyanate-terminated polyoxazolidone in the presence of a catalyst which trimerizes isocyanate groups. The reaction may be performed in the presence of a blowing agent to give cellular products. The polyisocyanate composition may comprise the reaction product of a polyisocyanate mixture containing an NCO-terminated polyoxazolidone with a polyhydroxyl or polycarboxyl compound or the polyisocyanate composition may be polymerized together with a polyhydroxyl or polycarboxyl compound. Suitably the NCO- terminated polyoxazolidone is the reaction product of an organic polyisocyanate with a polyepoxide in an epoxy/NCO equivalent ratio of less than one, the reaction being carried out in the presence of an oxazolidone-formation catalyst such as a Lewis acid or an alkoxide or phenoxide of metals of Group IIa and IIIb of the Periodic table. Preferred organic polyisocyanates are phosgenation products of aniline/ formaldehyde condensation products. The polyepoxide may be the glycidyl ethers of polyhydric mononuclear and fused ring phenols, non-fused polynuclear phenols or novolac resins, cycloaliphatic polyepoxides, glycidyl derivatives of aromatic primary amines, glycidyl derivatives of polyols, glycidyl derivatives of heterocyclic compounds and epoxy derivatives of inorganic compounds. Preferred trimerization catalysts are tertiary amines, particularly dialkyl-aminoalkyl-substituted phenols. The polyhydroxyl compound may be a polyol such as alcohols, phenols, polyether polyols, hydroxyl terminated polyolefins, polyester polyols and hydroxyl-containing triglycerides.
Patent GB-869429-A (GB)
Title: Manufacture of polymers
IPC: C08F2/26
Filed: 1958-02-28
Abstract: In a process for polymerizing an unsaturated compound in an aqueous phase in the presence of an emulsifier, there is used an emulsifier of formula:  <FORM:0869429/IV (a)/1> in which R1 is an aliphatic hydrocarbon radical containing 6 to 25 carbon atoms, n is 1 to 4 and R2 is SO3H or PO3H2, the polymerization being completed by a known method in a pH range between 3 and 7, and the emulsifier thereafter decomposed into surface-inactive compounds by shifting the pH to a value below 3.  Specified unsaturated compounds are vinyl chloride and vinylidene chloride.  The emulsifier may be a fatty alcohol ester of sulphoacetic acid or a phosphocarboxylic acid, e.g. lauryl ester of sulphoacetic acid.  Hydrolysis may be effected by the addition of hydrochloric acid.  Specification 843,700 is referred to.
Patent GB-665109-A (GB)
Title: Internal combustion rotary motor and turbines
IPC: F02C5/12
Filed: 1948-03-03
Abstract: 665,109. Gas turbines. BENNETT, T. O. March 3, 1948 [June 10, 1947], No. 6629/48. Class 110(iii) In an internal combustion turbine, an annular rotor 6 is enclosed by an outer casing 5 and an inner tubular stator member 7. The rotor is formed with combustion chambers 4 which receive compressedair through ports 2c, Fig. 2, in the casing 5 and fuel through passages 3B, Fig. 1, in the casing. The mixture is fired as the chambers pass sparking plugs in the casing and the gases are discharged inwardly and obliquely to produce a reaction torque when the mouths 4A of the chambers are uncovered by ports in the inner stator member 7. The gases impinge on blades 8 of a turbine rotor 10 within the stator member 7 and pass axially to further turbine blades 15C on a shaft 14. The rotors 6 and 10 are fixed together and to the shaft 14. Air enters an axial up-stream inlet 11 under ram pressure, opens a valve 13 and passes through the rotor 10 to mix with the gases in passing through the turbine blades 15C. A part of the air is divided off by a flared pipe 17 and passes through the hollow shaft 14 to a compressor. The rotor 6 is supported by roller bearings 6A and the rotor 10 by bearings 8B carried by the member 7. The shaft 14 is secured by the seat-grid of the valve 13 to the flanged parts 1A and 10E, by which the rotors 6 and 10 are secured together, and is mounted in a roller bearing 14C.
Patent GB-1145446-A (GB)
Title: Method and device for trimming beaks of birds
IPC: A61D1/00
Filed: 1967-02-13
Abstract: 1,145,446. Beak trimming device. L. C. TURNER. 13 Feb., 1967 [11 Feb., 1966], No. 6713/67. Heading A5R. A beak trimming device which permits the upper and lower beaks of poultry to be severed simultaneously comprises a bluntedged blade 9, an anvil 25, a tongue depresser 31, electrical means for heating the blade to cauterising temperatures and linkage for bringing the blade and anvil into engagement.
Patent GB-471545-A (GB)
Title: Improvements in and relating to strapping material for binding or securing boxes, bales, parcels and other packages and process for manufacturing said improved strappingmaterial
IPC: B65D63/02
Filed: 1936-03-05
Abstract: A rough surface is formed on steel wire or strip for use in strapping packing cases, parcels, bales, &c. in order to increase the friction at the joint, by subjecting the wire &c., as the next step after the cold working, to a heat treatment which is not sufficiently intense to alter the physical properties of the steel, the wire &c. being exposed while hot to the action of a medium, e.g. oxygen or sulphur, which will react chemically with the surface to produce the required roughness.  Wire with an oval or other non-circular cross-section formed by cold rolling hard drawn round wire may be roughened by heating, for example by the passage of an electric current, to a temperature of between 220 DEG  C. and the critical point in the presence of an oxidizing medium, e.g. air.  The oxidation may be effected during the heating operation, or while the wire &c. is cooling, or during both operations.  The roughening may be confined to the end portions only of wires &c. which have been cut up into portions of definite length or may be carried out on a long length of wire by a continuous process.  The joints may be effected in any known manner, e.g. by twisting or deformation, with or without an engaging sleeve.
Patent GB-808957-A (GB)
Title: Improvements in or relating to racks for foodstuffs and the like
IPC: A47B55/00
Filed: 1956-03-03
Abstract: 808,957. Racks. CLARK, W. June 3, 1957 [March 3, 1956], No. 6762/56. Class 52(3) A rack for foodstuff &c. trays comprises two end-frames 1 of skeleton formation each having horizontal or slightly inclined tray supports 6 and inwardly directed tubular sockets 7 in which horizontal connecting members 8 are releasably clamped. The frames 1 may be of closed loop form as shown or of inverted U-shape. Fore and aft members may be welded to the underside of members 8 to support the trays which are retained by members 8. The assembled rack may be broader at the front than at the back so that trays can be inserted from the front. Like racks may be superimposed.
Patent GB-814225-A (GB)
Title: Improvements in lubricating arrangements for textile spinning rings
IPC: D01H7/62
Filed: 1957-02-28
Abstract: 814,225. Textile spinning rings, lubricating. MANUFACTURE ALSACIENNE DE BB.OCHES. Feb. 28, 1957 [March 2, 1956]. No. 6799/57. Addition to 764,732. Class 120(2) The lubricating arrangement of the parent Specification is modified in that each end of the distributing wick 29 extends successively toward and away from one of the bearing faces through twin holes 31, 33 opening into a recess 32 of the bearing face, and through an individual hole, preferably in the same radial plane as the hole 33, opening into a recess of the other bearing face.
Patent GB-181431-A (GB)
Title: Water power generator
IPC: F03B13/18
Filed: 1921-03-02
Abstract: 181,431. Brune, C. M., (Hydro Power, Propeller, & Dredger Co., Ltd.). March 2, 1921. Water-current motors.-A current motor operated by tidal or other flow comprises a sluice 3 in which are disposed a number of blades 5 hinged together at 6, the hinges and the terminal blades carrying at their ends rollers 13 received in vertical or curved guides, and being connected through pairs of links 15 and slides 21 in vertical recesses to cranks 27 on a series of transverse shafts 28 connected by worm gearing to a longitudinal shaft. In a modified form, single links 15 may be employed, together with cranks on a longitudinal shaft.
Patent GB-1377547-A (GB)
Title: Water tower
Inventor: JANHUNEN M
IPC: E04H12/30
Filed: 1972-02-15
Abstract: 1377547 Water towers M JANHUNEN 15 Feb 1972 [16 Feb 1971] 6874/72 Heading E1T In a circular water tower incorporating concrete, sector-shaped base panels 1, fluted wall panels 2 and roof panels 6, the wall panels abut stops 5 on the base panels and the water pressure exerted on the wall panels is resisted by tension steels 7 arranged radial to the base and connected to a ring 8 located about the longitudinal axis of the tower 4.
Patent GB-1173772-A (GB)
Title: Improvements in or relating to Vibration Responsive Apparatus
Inventor: NEISH DAVID ANTHONY
IPC: G01S17/02
Filed: 1966-02-16
Abstract: 1,173,772. Optical detection of movement; light modulators. DECCA Ltd. 3 Feb., 1967 [16 Feb., 1966], No. 6902/66. Headings H4D and H4F. [Also in Divisions G1, G2 and H1] The characteristics of vibrations, such as of a machine or a distant window vibrated by speech within a room, are determined by comparing a laser beam, Doppler shifted by the vibrations, with a second beam derived from the same laser, the second beam being shifted in frequency, or alternatively the first beam being further shifted in frequency, by an amount greater than the Doppler shift introduced by the vibrating element, vibratory movement towards and away from the laser can thereby be distinguished. In the embodiment a laser beam is split into two orthogonally polarized beams by prisms 14 having a polarizing dielectric interface. One beam is directed by a telescope 17 to a vibrating element 10 of interest and the second, a reference beam to a mirror 16 vibrating at a frequency much higher than the element 10. Both beams are returned and combined at prisms 14 and are directed via a half-wave plate 19 and a second beam splitter 20 on to photo-electric detectors 21 and 22. The outputs of the detectors are passed to a differential amplifier, whose output comprises a signal representative of the vibrations of the element 10 and modulated at the frequency of the mirror 16. Demodulation occurs at 24 and a receiver such as a loud-speaker or audio recorder indicates the vibrations of the element 10. If the frequency of the vibrating mirror is low, but the speed of the mirror high enough to sufficiently shift the second beam, synchronous switching of the amplifier output is necessary. Instead of a vibrating mirror 16 a Kerr cell or Pockel's effect modulator could be used.
Patent GB-226411-A (GB)
Title: Improvements in eye lash crimpers
IPC: A45D2/48
Filed: 1924-03-18
Abstract: 226,411. Stickel, C. W. March 18, 1924. Hair-curling appliances.-A device for crimping the eyelashes comprises curved jaws 10, 12, Fig. 1, connected by pivot pins 14 so as to be movable about an axis at right-angles to the axis about which they are curved. The jaw 10 consists of a curved strip of metal, and the other jaw comprises a strip of metal doubled upon itself so as to form two walls 11, 12 and so arranged that the jaw 10 engages between them. The edge of the outer wall 12 of the lower jaw is preferably formed with teeth 51, and the jaw 10 made with corrugations 15 so as to keep the individual lashes separated and to produce even crimping. The jaws may be operated by any means; the preferred device comprising a U-shaped resilient wire 16 detachably engaging eyes 17, 18 on the jaws and made with a loop 19 to form a handle. A loop 22 limits the opening of the jaws. This operating device may be engaged with the jaws from either side, facilitating use on either eye. Fig. 2 is a sectional view of the eye and lashes with the crimper in position thereon.
Patent GB-125758-A (GB)
Title: Improvements in India-rubber Hot Water Bottles, Water Beds and the like.
Inventor: INGRAM ARTHUR DENNIS
IPC: B65D39/08
Filed: 1918-04-25
Abstract: 125,758. Ingram, A. D. April 25, 1918. Mattresses.-The socket a for the stopper e<3> of hot-water bottles, water beds, &c. is conical on the outside, with the lower part a fit in the neck b. The space between the upper part of the socket and the neck is filled in with rubber c. Rubber also covers the lower face of the socket. If desired, the socket may be cut away to prevent it from turning.
Patent GB-778570-A (GB)
Title: Keyboard-operated tape-perforating apparatus
IPC: B41B25/00
Filed: 1956-03-06
Abstract: 778,570. Type-making machines. TELETYPESETTER CORPORATION. March 6, 1956 [June 21, 1955], No. 6995/56. Class 100(3) Strip-perforating machines. In a keyboard-controlled tape-perforating apparatus in which selected punches of a tapeperforating device for producing code combinations of perforations in a record tape, such as may be used for automatically controlling the operation of a type linecasting and composing machine, are actuated by means of a cam which is set in rotation to actuate the selected punches through the intermediary of a clutch comprising a driving member (85) which is continuously urged to rotate, but is normally held in a stationary position, to prevent the cam from being rotated by the clutch, by means of a blocking lever (87) in rotation-blocking engagement with the driving member, but which is withdrawable from the driving member, to permit the cam to be rotated by the clutch under the control of a clutch trip-off member (64) which is actuated to free the blocking lever from the driving member when any one of the keys is depressed, the trip-off member is adapted' when actuated to close a contact (57) for completing an operating circuit of an electromagnet (28), whereby the electromagnet is energized to attract anarmature member (26) which functions to unlatch from the blocking lever a latching member (89) normally holding the blocking lever in engagement with the driving member, so enabling the blocking lever to be withdrawn by the action of a spring (91). Current from a D.C. source 47, or an A.C. source rectified by a rectifier 31, builds up a charge on a capacitor 46. When the trip-off member 64 moves a conductor 36 against a conductor 34 to close the contact 57, current passes through a contact 56 to the electromagnet 28, which is actuated by the initial surge from the capacitor 46. The armature member 26 rotates the latching member 89 to release the blocking lever 87 and to actuate a plunger 47<SP>1</SP> to open the contact 56 to put a resistor 44 in the circuit and reduce the current to an amount sufficient to hold the armature member 26 in actuated position, while an extension 52 of the member 89 rocks a differential lever 48 so as to allow the conductor 34 to move downwards far enough to prevent vibrations owing to too light contact with the conductor 36, while leaving a gap between the conductor 34 and the lever 48. The member 89 also rotates a non-repeat lever 92 clockwise. When the member 85 rotates, it acts on a cam roller 23 to return the lever 87 to blocking position where after half a revolution of the member 85, it engages the other of two extensions 82, 83 of the member 85 to stop the latter, the blocking lever 87 being locked in blocking position by the member 89, or, if the magnet is still energized, 'by a shoulder 97 of the lever 92. The return movement of the member 89 on release of the key closes the contact 56 and restores the lever 48, the contact 57 being opened only after the gap between the conductor 34 and the lever 48 has been closed. Specification 420,084 is referred to.
Patent GB-955174-A (GB)
Title: A process and installation for the extraction of dust from smoke given-off by electrometallurgical furnaces
IPC: B01D46/30
Filed: 1961-02-27
Abstract: 955,174. Filtering particles from gases. SOC. DES PRODUITS AZOTES. Feb. 27, 1961 [Dec. 22, 1960], No. 7135/61. Heading BIT. An installation for the extraction of dust from the smoke given off by electrometallurgical furnaces comprises a filtering layer 7 of fragments of solid materials, e.g. calcareous stones, quartz and sand or elements intended to be used in the furnace charge, the layer 7 being such that the ratio of the total quantity of dust-laden smoke passing through the layer to the total plane section of the layer results in a nominal speed of the smoke of between 0À5 cm/s. and 3À5 cm/s. per second, the layer including particles the dimensions of which are between those of the screen-mesh modules No. 8 to No. 18 of B.S. 410:1943. The smoke is collected in a chimney I from which it passes to a tower 2, in which it is water cooled, a fan 3, a battery of cyclones 4 and a conduit 5 leading to a flue 6 located beneath the layer 7 and having connected laterally thereto flues 8. The filtering layer 7 is disposed on a slightly inclined platform and is preferably constituted by a plurality of superposed beds the elements of which vary in size from one bed to the next with the smallest forming the top bed.
Patent GB-779174-A (GB)
Title: Improvements in or relating to measuring circuits for the quality factor (q) of coils
Inventor: CAMPBELL CHARLES FRANCIS
IPC: G01R27/26
Filed: 1955-03-11
Abstract: 779,174. Measuring quality factor (Q) of impedances. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. Nov. 23, 1955 [March 11, 1955], No. 7156/55. Class 37. The Q-value of an inductance L is determined by switching a capacitance C (variable to tune L to a suitable frequency) to charge from a source 10, 11 of unidirectional voltage V and then to discharge into L. An electronic counter EC responsive to successive cycles of the oscillation is connected between the upper end of L and a bias voltage V#-# from tapped resistance R across the charging voltage; it being shown mathematically that the number of cycles during which the peak voltage across C decays from V to V#-# ; i.e. the reading of the counter, is a direct measure of the Q of the coil. The Q value of a capacitance is determined by calculation from a first test using a capacitance and inductance of known characteristics, followed by a second test using the known inductance and the unknown capacitance.
Patent GB-721302-A (GB)
Title: Improvements relating to the hydrogenation of petroleum residues
IPC: C10G45/58
Filed: 1952-03-20
Abstract: Petroleum residues are desulphurized by contacting them at elevated temperature and pressure with a sulphur-resistant hydrogenation catalyst in the presence of hydrogen so that organically combined sulphur is converted to hydrogen sulphide, the hydrogen sulphide is separated from the treated residue, and the treated residue fracttionated for the recovery of a gas oil fraction.  In this way an increased yield of gas oil having a diesel index above 40 is obtained from petroleum residues.  The catalyst may consist of or comprise the oxides of cobalt and molybdenum, either as such or in the form of a chemical compound of cobalt, molybdenum and oxygen.  Thus, the catalyst may consist of the oxides of cobalt and molybdenum together with a suitable binder, such as graphite, or the catalyst may consist of a cobalt molybdate.  Preferably the catalyst is deposited on or incorporated with a support, such as alumina.  In the examples, a petroleum residue amounting to 53 per cent of the crude petroleum is hydrogenated at 780 or 800 DEG F. and a pressure of 1000 p.s.i. ga., employing hydrogen recycle and a catalyst containing oxides of cobalt and molybdenum on alumina.  A gas oil fraction of 232-371 DEG C. boiling range is recovered from the treated residue by distillation. Besides effecting desulphurization, the catalytic hydrogenation also reduces the sodium and vanadium content of the residue.