baber/WOPTO huggingface dataset:
Patent GB-1073331-A (GB)
Title: Process for the manufacture of quaternary ammonium sulfonates
IPC: C25B3/29
Filed: 1965-02-22
Abstract: The invention relates to the manufacture of quaternary ammonium salts of benzenoid hydrocarbon sulphonic acids, the products being of the formula <F\1> in which R1, R2, R3 and R4 are alkyl radicals of 1-5 carbon atoms, R5 is hydrogen or an alkyl radical of 1-5 carbon atoms and n is 1-4. The products are prepared by the addition of a tertiary alkyl amine containing 1-5 carbon atoms in each alkyl residue to an ester of a benzenoid hydrocarbon sulfonic acid containing 1-5 carbon atoms in the ester group, the reaction being effected in an aqueous medium with the use of an excess of trialkylamine, which is removed by distillation when the reaction is complete.  In typical examples, (1) trimethylamine and methyl benzene sulphonate yield tetramethylammonium benzene sulphon ate and (2) triethylamine and ethyl p-toluene sulphonate yield tetraethylammonium p-tolu ene sulphonate.  Other products described include tetramethylammonium o-, m- or p-butylbenzene sulphonate, tetramethylammon ium mesitylene sulphonate and tetramethyl-ammonium durene sulphonate.ALSO:The electrohydrodimerization of acrylonitrile to adiponitrile is effected with the use of an electrolyte comprising an aqueous solution of a quaternary ammonium salt of a benzenoid hydrocarbon sulphonic acid of the formula <FORM:1073331/C6-C7/1> in which R1, R2, R3 and R4 are alkyl radicals of 1-5 carbon atoms, R5 is hydrogen or an alkyl radical of 1-5 carbon atoms and n is 1-4 (see Division C2).  The electrolyte is prepared directly in aqueous solution, and further purification or treatment is unnecessary.
Patent GB-347398-A (GB)
Title: Improvements in or relating to rings and other articles of jewellery
IPC: A44C17/02
Filed: 1930-03-08
Abstract: 347,398. Detachable mounting for gems. BLANCKENSEE & SON, Ltd., S. and FITZMAURICE, H. J., 14, Frederick Street, Birmingham. March 8, 1930, No. 7575. [Class 43.] In ear-rings, finger - rings, and other articles of jewellery wherein one or more stones or equivalents are detachably mounted in settings, a stone e is adapted to be held between an inwardly turned peripheral lip d at the front edge of a frame a, and spaced plates or flanges f, g, extending inwardly from the walls of the frame, one plate g being hinged so that it can be swung aside to permit insertion or removal of the stone e. In an ear-ring, as shown, one end of the stone is slipped between the lip d and the flange f which is preferably curved so as to facilitate insertion of the stone. The other end of the stone is then retained by swinging the hinged flat plate g through a slot h. A projection k acts as a finger-piece and a projection m may be provided as a catch. The frame may be suspended from the ear in the usual manner.
Patent GB-453503-A (GB)
Title: Improvements in and relating to coin-freed prepayment mechanisms
IPC: G07F15/10
Filed: 1935-03-11
Abstract: 453,503. Prepayment mechanism for meters. BRITISH ELECTRIC METERS, Ltd., and BROWN, R. T., Morden Road, Mitcham, Surrey. March 11, 1935, No. 7580. [Class 27] In a prepayment meter having an indicating device for showing automatically whether the conduit, through which electricity, gas, or other commodity is supplied, is open or closed at a given moment, the indicating device besides showing the words IN, OUT, in another position serves also to show that the maximum number of coins has been inserted. As applied to a prepayment electricity meter having switch mechanism such as described in Specification 362,158, [Group XXXVII], in which a cup-shaped member with a gapped rim controls a switch tripping member and a crank-pin actuated by the prepayment handle closes the switch, a spindle 3, Figs. 2 and 3, rotatable in frame plates A, B has a cranked end 4 at one end disposed adjacent the crank-pin d of the switch operating mechanism. The other end has an arm 5 carrying an arcuate indicator 6 bearing the words IN, OUT, which can be seen through an aperture 13 to indicate the position of the switch as the pin d turns the wire 3 into one or other of two positions corresponding to the closed and open positions of the switch. A cam or stop 8 on the cup-shaped control member, which is geared to the planet member of the usual differential, actuates a lever 9 to cause a toe-piece 11 thereon to move the indicator 6 to a third position, when the control member has reached a position corresponding to the maximum number of coins that can be inserted. The toe-piece 11 acts on an arm 12 mounted on the spindle 3, and the indicator 6 in its third position shows the word FULL. Specification 435,332 also is referred to.
Patent GB-911493-A (GB)
Title: Lubricating systems
IPC: F16N27/00
Filed: 1959-03-04
Abstract: 911,493. Lubricating. STEWART - WARNER CORPORATION. March 4, 1959 [March 6, 1958], No. 7595/59. Class 12 (3). [Also in Group XXXVIII] A lubricating system comprises a fluid-operated pump 2 arranged to pump lubricant into a distribution line feeding a plurality of lubricators 6 and a line-pressure relief valve 5 which is operated in dependence upon the relationship between the pressure of the fluid operating the pump and the pressure of the lubricant in the distribution line, the valve being arranged to open to relieve the line pressure if the line pressure rises to a predetermined relief pressure lower than the outlet pressure of the pump. The pump 2 comprises a piston 19 arranged in a cylinder bore 18 and attached at one end to a flexible cup-shaped diaphragm 10 clamped in a casing 13. The chamber 15 beneath the diaphragm is connected to a source of vacuum 90 and downward movement of the diaphragm 10 is opposed by a spring 20. The pump bore 18 has an inlet 29 connected to a source of lubricant supply and an outlet 30 connected to the distribution line. The relief valve 5 is located at the end of the distribution line and comprises a body 55 having a cross bore 56, one end of which is connected to the end of the distribution line 3 and the other end is connected to a pressure-responsive device which gives a visual or audible signal, and a passageway 58 in communication with the bore 56 through a restricted passage 59 through which excess lubricant is returned to the reservoir 7. A chamber 63 is closed by a diaphragm 64, to which a piston 61 is attached, and is connected to the same source of vacuum as the pump 2 through a bore 68. On the application of vacuum to the chamber 63, the diaphragm moves the piston 61 downwardly to close the aperture 59. Each lubricator 6 comprises a body 36 having a cylindrical bore, which receives a displacement piston 37, an outlet passageway 43 provided with a check valve 47 and a screwed cap portion containing an inlet 39. In a modified form of pump and relief valve high pressure is admitted to chambers above the pistons.
Patent GB-1247441-A (GB)
Title: A process for the preparation of a resin bonded abrasive body
IPC: C08L61/10
Filed: 1969-02-12
Abstract: 1,247,441. Abrasive compositions. NIPPON TOKI K.K. (NORITAKE CO. Ltd.). 12 Feb., 1969 [13 Feb., 1968], No. 7697/69. Heading C3R. A process for the preparation of a resin bonded abrasive body comprises (a) mixing, in the absence of water, an inorganic filler with a synthetic resin melted by heat or a solution of a synthetic resin in an organic solvent to wet the inorganic filler, (b) allowing the mixture to cool when a melt is used or allowing the solvent to evaporate when a solution is used, (c) pulverizing the solid material so formed to form a bonding composition, and (d) using the bonding composition to bond abrasive material. The resin may be a phenol-formaldehyde novolak, an aniline - phenol - formaldehyde resin, or a mixture of PVA with a phenol - formaldehyde resin. Abrasives specified are alumina, silicon carbide, boron carbide, or diamond. The filler may be cryolite, iron sulphide or lime. The solvent may be methanol, ethanol or furfural. Hexamethylenetetramine may be added to the bonding composition as curing agent. The abrasive body may be pressure moulded.
Patent GB-1223011-A (GB)
Title: Water-insoluble monoazo dyestuffs and processes for their manufacture and use
IPC: C09B43/124
Filed: 1968-02-16
Abstract: 1,223,011. Sulphonamide. CIBA Ltd. 16 Feb., 1968 [21 Feb., 1967; 5 Jan., 1968], No. 7710/68. Heading C2C. [Also in Division C4] N,# - [(N<SP>1</SP>,N<SP>1</SP> - dimethanesulphonyl)amino]- ethyl - N - ethyl - m - toluidine is prepared by refluxing N - (N<SP>1</SP> - methanesulphonyl - 2 - aminoethyl)-N-ethyl-m-toluidine with Li in anhydrous xylene then reacting further with methanesulphonyl chloride.
Patent GB-526194-A (GB)
Title: Improvements in articulated shutters
IPC: E06B9/15
Filed: 1939-03-10
Abstract: 526,194. Articulated shutters. GASKELL & CHAMBERS, Ltd., and SMITH, F. March 10, 1939, No. 7736. [Class 20 (iii)]. An articulated shutter comprises a number of slats 5 mounted upon or connected by flexible strips, projections at the ends of the slats sliding in guides (not shown), one or more of the slats 5 being of composite construction, the end sections being of wood or other opaque material, the intermediate section 8 being of transparent material such as tempered glass attached at its ends to the inner ends of the outer sections and substantially closing the gap. The transparent sections 8 are secured by bolts 14 to metal clips 9 of channel form which are secured by screws to the outer members.
Patent GB-1256303-A (GB)
Title: Thermo-electric safety thermocouple device for gas burners
IPC: F23Q9/14
Filed: 1969-02-13
Abstract: 1,256,303. Thermocouples. P. L. DE'STEFANI, and G. DE'STEFANI [trading as SOC. ITALIANA TECNOMECCANICA "LA PRECISA"]. 13 Feb., 1969 [1 March, 1968; 27 Dec., 1968], No. 7770/69. Heading H1K. A thermocouple for use in thermo-electric safety shut-off units for gas burners has an external 10 and an internal 11 thermo-electric element joined to form a hot junction 12, the external element being mounted externally over a cylindrical extension 13a of an intermediate body 13 provided to dissipate heat rapidly so that the thermocouple responds rapidly to temperature changes, the overlap L<SP>1</SP> between the external element and the extension being at least 10% of the total axial extension L of the element. The intermediate body may be provided with fins and is joined to the external element by a soldered connection 14, which is far enough from the hot junction to avoid being affected by the flame heating the junction. The external element is connected via the intermediate body 13 and a metal sleeve 20 to a contact 22, and the internal element is connected via an intermediate element 16 of iron or nickel-chrome alloy, and a copper element 15, to a contact 21. The internal element is of copper-nickel alloy, constantan or alumel and the intermediate body may be brass. Various configurations of intermediate body are described. In a further embodiment the internal element may have a smaller diameter where it meets the hot junction than elsewhere, Fig. 5 (not shown).
Patent GB-308078-A (GB)
Title: An improved device for removing capsules from milk bottles & the like
IPC: B67B7/12
Filed: 1928-03-13
Abstract: 308,078. Lomas, P. V., and Hardwick, J. March 13, 1928. Prizing-tools for removing capsules. - In a device for removing capsules from milk bottles &c. a plate with an inclined prong 6 is formed with a depression 1 and a semi-circular flange 3. The flange 3 and the depression 1 engage the rim of the bottle 4 and the prong engages the capsule 7.
Patent GB-453337-A (GB)
Title: Compression refrigerating machine with electromotor
IPC: F25B49/02
Filed: 1936-03-16
Abstract: 453,337. Refrigerating - compressors. BERLIN-SUHLER WAFFEN-UND FAHRZEUGWERKE GES., 37, Tiergartenstrasse, Berlin. March 16, 1936, No. 7818. Convention date, March 22, 1935. [Class 8 (i)] A refrigerating-compressor is driven by an electric motor 4, the housing of which is mounted on the gear case 1, valves 15, 16 being provided in the separating wall to allow pressure equalization while preventing convection of heat from the motor.
Patent GB-176254-A (GB)
Title: Improvements in or relating to yarn winding machines
IPC: B65H54/36
Filed: 1921-03-12
Abstract: 176,254. Cannon, J. J. March 12, 1921. Winding-machines.-In a yarn-winding machine of the vertical-spindle type, a device 14 carrying yarn guides 13, 19, Fig. 2, works up and down on a screwed spindle 1, which carries a ratchetwheel 4 and is rotatably mounted in a bearing 2 attached to the carrier-bar 3. As the carrier-bar 3 is lowered, a lever 5 engages a sloping part 8 and thus turns the ratchet-wheel 4 by means of a pawl 6. The device 14 may engage the screw-threads of the spindle 1 by means of a spring 15 to permit ready disconnection and movement by hand, while any rotation is prevented by the engagement of a projecting part 16 with a parallel vertical rod 17. The yarn guide 19 is carried by a pivoted arm 18 and is held by the tension of the yarn 20 in a raised position so that the pin 21 thereon is normally clear of the rod 12. Upon breakage of the yarn or a stoppage of the bobbins, the guide 19 is released and falls or is spring-pressed so that the pin 21 turns the rod 12, thus disengaging a detent and allowing the ratchet-wheel 4 to be moved both backwards and forwards by the feed-pawl 6. On the restoration of the yarn, the guide 19 is lifted and the detent re-engages the wheel 4. An eccentricallypivoted upright guide 23 is fitted to limit the engagement of the lever 5 with the incline 8, the position of the guides 23 being adjusted by a push-rod 26. In a modification, an oscillating lever 5, Fig. 7, is arranged under the ratchetwheel 4 and is driven in both directions by a projecting roller 30 travelling up and down in a slot 33 in a plate 31 secured to the bed 10. The inclination of the plate 31 can be varied.
Patent GB-831473-A (GB)
Title: Improved resilient mounting
Inventor: SMITH ERIC JAMES
IPC: F16F1/44
Filed: 1957-03-09
Abstract: 831,473. Resilient mountings. DUNLOP RUBBER CO. Ltd. Jan. 23, 1958 [March 9, 1957], No. 7867/57. Class 108(3) In the resilient mounting shown a rubber block 12 is bonded to members 10, 11 which have bolt holes 16, 17. A tongue 11a of the member 11 is of sinuous form. and extends the length of the block. A channel 13 allows greater movement between members 10, 11. The spring rate of the mounting in the direction perpendicular to the tongue may be changed by altering the length of the tongue. Several tongues may be provided in which case they would be arranged parallel to each other and the rubber block would have a recess 13 opposite each tongue.
Patent GB-879458-A (GB)
Title: Improvements in or relating to jacquard mechanisms
Inventor: WALKER HAROLD DALGLISH
IPC: D03C3/24
Filed: 1957-03-11
Abstract: 879,458. Open shed jacquards for looms. WALKER (BLACKBURN) Ltd., PETER. March 11, 1958 [March 11, 1957], No. 7908/57. 142(2) An open shed jacquard has de-shedding means which permits the loom to be stopped with all the threads lowered and brings the open shed mechanism into operation automatically when the loom is re-started. In one embodiment (Fig. 1) applied to a double cylinder jacquard, the hooks 10 have additional nebs 15 engaged by additional bars 16 when the hooks are raised to maintain an open shed. A bar 21 reciprocated in synchronism with the cylinder carriage carries a lug 22 that engages stops 20 on a plate 18 thereby moving the plate and causing the bars 16, pivoted at 17, to engage alternately adjacent rows of hooks 10. The nebs 15 are moved clear of the bars 16 when the threads are to be lowered by bars 25 carried by members 26 moved by a flexible member 33 and lever 31. A latch 35 engages the adjacent end of the bar 21 to retain the nebs clear of the bars 16 but is released when the boom is restarted so that the open shed mechanism is automatically brought into operation. In a second embodiment for use with a single cylinder jacquard, the hooks 40 (Fig. 2) have additional nebs 41 engaged by quadrant shaped bars 42. The ends of the bars are carried in plates 43 (Fig. 5) and extensions 45 on the bars engage slots 47 in further plates 46 which move longitudinally on the plates 43 to move the bars clear of the nebs 41 when the yarns are to be lowered. The plates 46 are moved by a linkage similar to that described with reference to (Fig. 1) and locking means, automatically released when the loom restarts, is provided.
Patent GB-559523-A (GB)
Title: Joining together metal parts by welding
IPC: C23C4/18
Filed: 1942-06-16
Abstract: 559,523. Coating with metals. LUMB, C. F. June 16, 1942, Nos. 8120 and 17760. [Class 82 (ii)] [Also in Group XXII] In building-up a metal part or joining two parts by spraying, the sprayed metal is subjected to heat sufficient to weld it to the base metal. The welding may be done by an electric arc and may be applied at one or more parts, or around the edge of the sprayed metal or all over the area. Anchorage studs may be formed on the base metal, before spraying, by applying a welding electrode or rod thereto. Specification 432,831 is referred to and the first Provisional Specification refers to Specification 551,689.
Patent GB-595692-A (GB)
Title: Improvements in or relating to steam installations including desuperheaters
IPC: F22G5/12
Filed: 1945-04-02
Abstract: 595,692. Steam superheaters. COCKBURNS, Ltd., RODGER, J., and GRANT, T. April 2, 1945, No. 8157. [Class 123 (iii)] In a steam installation including a desuperheater 11 into which exhaust &c. - steam is admitted under the control of a self-acting valve 10 the supply of water to spray nozzles &c. 13 of the desuperheater is controlled by a valve 12 operatively connected to the valve 10 in such a manner that the rate of flow of water is proportional to that of the steam. In the form shown the valve 12 is actuated from the spindle 14 of the valve 10 through a spring-urged bellcrank lever, one arm 15 of which is connected at 16 to the spindle 17 of the valve 12, and the other arm 18 presenting an inclined cam surface 19 adapted to be tracked by a follower roller 20 which participates in the axial movement of said spindle 14. The valve 10 is of the pistonoperated spring-loaded type, the piston 22 of which is subjected to the pressure on the inlet side thereof through a pipe 24 and external control valve 21.
Patent GB-715506-A (GB)
Title: Improvements in and relating to colour television
IPC: H04N11/12
Filed: 1952-04-01
Abstract: 715,506. Colour television. PHILCO CORPORATION. April 1, 1952 [May 10, 1951], No. 8279/52. Class 40 (3) In a colour television system, the transmitter comprises three cameras, one of which has a spectral response substantially identical to that of the eye as regards intensity so that the signal generated thereby corresponds to the brightness of the transmitted image only, while the other two cameras have such spectral responses that the signals generated thereby together with the signal generated by the first camera collectively define the colour content of the image. Preferably the spectral responses of the cameras are as shown in Fig. 3 and correspond to the colour-mixture curves for the visible spectrum with respect to the non-physical primary colours defined by the International Commission on Illumination. The output from camera 12 which has a response as shown in curve y comprises signals indicative of brightness only and these are applied via a lowpass (0-3 Mc/s) filter 34 to the adder circuit 18. The outputs from cameras 14 and 16 which have responses as shown in curves x and z comprises colour information only, and these are applied through respective low-pass (0.05 Mc/s) filters 36 and 38 to a sampler 20 operating at a sampling rate of 3.5 Mc/s. The signals are sampled in quadrature in sampler 20, either by a pulse-gating technique or by modulation with a sinusoidal signals of the sampling frequency, and the multiplexed output from the sampler is applied via band-pass (3-4 Mc/s) filter 24 to the adder cirsuit 18 where it is added to the output from camera 12 and applied to the transmitter 26. Synchronizing signals developed in circuits 22, 28 and 30 are added to the signal transmitted from 26. At the receiver, the received signal is demodulated and the low-frequency portion corresponding to the output from camera 12 is applied via low-pass filter 42 to the combining circuit 46. The high-frequency portion is passed by band-pass filter 44 to sampler 48 which is operated in synchronism with that at the transmitter. The sampler outputs are passed by 0-0.5 Mc/s low-pass filters 52, 54 to the combining circuit 46, the three inputs to which are so combined by means of cross-coupled circuits to give three outputs corresponding to component images in three primary colours for application to the imagereproducer. In a modification (Fig. 2, not shown) the signals applied to sampler 20 are difference signals between the outputs from cameras 14 and 16 respectively and camera 12. Since white comprises equal amplitudes of the three non-physical primaries, the difference signals are zero for white parts of the picture and are small for parts of the pictures of low colour saturation. It is stated that the brightness signal, i.e. output from camera 12, may be transmitted by a " dot-interlacing " technique to improve the definition in the reproduced picture.
Patent GB-690729-A (GB)
Title: Process for the manufacture of a rodenticide
IPC: A61K35/74
Filed: 1951-04-11
Abstract: A rat exterminating compound containing desiccated, storable Salmonella bacteria in a virulent condition, is obtained by placing a suspension of the bacteria in a nutrient medium in an ampoule, drying in vacuo at room temperature, the pressure inside the ampoule being finally reduced to 2 mm. or less of mercury, and being maintained at this pressure during storage by sealing in vacuo.  The nutrient medium is peptone bouillon containing 5 to 10 per cent gelatin.  In the example, pressure in the ampoule is reduced to as low as 0.05 mm. mercury over 7 days, the pressure being reduced by approximately half each day.  Each day fresh desiccant e.g. phosphorus pentoxide is placed in the vaccum vessel.  In use, the ampoule is broken and its contents dispersed in a nutrient medium.  Dispersion is facilitated by a strip of filter paper placed in the ampoule prior to sterilization and before the introduction of the bacterial suspension.
Patent GB-177534-A (GB)
Title: Improvements in apparatus for recording sounds photographically
IPC: G11B7/00
Filed: 1922-03-23
Abstract: 177,534. Engl, J., Massolle, J., and Vogt, H. March 24, 1921, [Convention date]. Vacuum tubes.-Sounds are recorded on a light-sensitive film or the like by means of a discharge tube in which cathode rays controlled by current or potential variations caused by the sound waves strike a fluorescent or like substance, the resulting light variations effecting the photographic record. The apparatus shown comprises a highly evacuated tube r having a hot wire cathode k from which rays are discharged, the rays passing through a diaphragm d and striking a fluorescent substance on the anode a. A condenser S, which is connected up in an oscillating current system controlled by the sound-waves, is placed in the path of the rays and modifies them so that the light emitted at a varies in accordance with the acoustic vibra-' tions. The record of these variations is produced on a film f by means of an optical system l. Instead of the condenser S, a device for producing a varying electromagnetic field may be used.