baber/WOPTO huggingface dataset:
Patent GB-647978-A (GB)
Title: A system for the recovery of heat in power transmission systems
Inventor: HOBSON ERIC DOTT
IPC: F01K27/02
Filed: 1948-02-16
Abstract: 647,978. Cooling lubricant. YARROW & CO., Ltd. Feb. 16, 1948, No. 4488. [Class 12 (iii)] [Also in Group XIII] In a system comprising a steam generator, a steam driven prime mover and a power transmitter, heat generated by friction in the prime mover and in the power transmitter is removed by the cooling and lubricating fluid and is transmitted in a heat exchanger to the feed water so that it is recovered and returned to the steam generator. The apparatus shown comprises a steam generator 1 from which steam is supplied to a steam driven prime mover 2, e.g. a turbine, which exhausts into a condenser 3, the condensate being returned by a pump 5 to the steam generator 1 after passing through a heat-exchanger 6. The prime mover 2 is coupled to a power transmitter 4 driving, for example, a propeller or an electric generator. Coolant and lubricating fluid from a tank 7 is passed by means of a pump 8 through the heatexchanger 6 where it is cooled, after which it is circulated through, and absorbs the friction heat from, the bearings 9, 10 of the prime mover 2 and the bearings 11, 12 and also the internal mechanism of the power transmitter 4, before being returned to the tank 7. The heat absorbed by the cooling and lubricating fluid is transferred in the heat-exchanger 6 to the condensate which is thus heated before re-entering the steam generator as feed water. When the prime mover is idle or being warmed up prior to operation, the coolant and lubricating fluid is maintained at a suitable temperature by the heat-exchanger 6, the operation of which is then reversed, heat being transferred to the relatively cool coolant and lubricating fluid passing therethrough, from the condensate of the steam necessary to keep the auxiliary machinery, e.g. the pumps, in operation, and from water supplied from the feed tank 28 through the make-up feed valve 26 to the condenser to maintain the water level in the sump.
Patent GB-481826-A (GB)
Title: Method for the photo-electric reproduction of sound
IPC: G11B7/00
Filed: 1937-02-15
Abstract: 481,826. Photographic sound record films. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Fob. 15, 1937, No. 4516. Convention date, Feb. 17, 1936. [Class 98 (ii)] Sound-records on grain - free transparent film material consist of a silver or silver and mercury image produced from a diazo compound and a silver salt with or without a mercurous salt and are used in conjunction with a photo-electric cell sensitive to infrared rays. The film preferably consists of regenerated cellulose of a thickness less than À06 mm. The images are produced by the processes described in Specifications 391,677 and 439,005. Photo-electric cells having a caesium-caesium oxide cathode may be used for the sound reproduction.
Patent GB-606320-A (GB)
Title: Improvements in and relating to supports for sanitary pads
IPC: A61F13/64
Filed: 1946-02-14
Abstract: 606,320. Catamenial supports. BOSSINE, C. A. Feb. 14, 1946, No. 4606. [Class 81(ii)] A sanitary pad support comprises a flexible waterproof sling 1 and an apertured sheet of less flexible waterproof material 2 sealed to the sling along its entire outer periphery to form a watertight joint and standing up from the sling to form a pocket. The edges of the sling 1 and sheet 2 may be folded inwards before sealing to provide a spring effect. Supporting straps 6 may be secured between the ends of the double tapered sheets 5 secured between 1 and 2. Alternatively the tapered ends may be extensions of 1.
Patent GB-108438-A (GB)
Title: Improvements in or relating to Umbrella Runners.
Inventor: HOWARD FRANK WESLEY
IPC: A45B25/06
Filed: 1916-10-23
Abstract: 108,438. Howard, F. W. Oct. 23, 1916. Holding open and closed; runners; sticks.-A runner is constructed so as to grip the stick. The grip may be obtained by a helical spring 15, Fig. 1, which surrounds the runner sleeve which is split; or by a helical spring 27, Fig. 4, which grips the stick directly. In each case the grip is released by pressing finger-pieces 16 or 22 towards each other. The notch part may be formed from a slotted strip bent over on itself as shown in Fig. 4, or a ring with spaced holes for receiving the hooked ends of the stretchers may be used. The stick may be thickened, to cause the grip, at the part which is under the runner when the umbrella is opened. In' other forms of runner, the grip is obtained by a key-piece running longitudinally between the sleeve and the stick. The key-piece 34, Fig. 7, may be bent at 36 so that by operating the finger piece 37 the stick may be gripped; or may comprise flattened parts 42, Fig. 9, which bite into the stick on operating the fingerpiece 41.
Patent GB-703614-A (GB)
Title: Method and means for the manufacture of fabrics consisting of adhesively-bound threads
Inventor: CHADWICK GEORGE ERNEST
IPC: D04H3/073
Filed: 1950-02-23
Abstract: 703,614. Fabrics composed of adhesively united threads &e. BRITISH COTTON INDUSTRY RESEARCH ASSOCIATION. Feb. 23, 1951 [Feb. 23, 1950], No. 4628/50. Class 140 A fabric consisting of an assembly of longitudinal and transverse threads having the threads in one layer adhesively bonded to those in another layer is made by advancing the longitudinal threads continuously as layers against flat faces of a stationary former, laying transverse threads across the outer face of each layer of longitudinal threads by winding at least one continuous thread around said former and over said layers, and effecting the adhesive bonding at the crossing points of the threads in one layer with those in the other by directly applying pressure to the outer face of the transverse threads so as to cause the longitudinal threads to be slidably pressed against the former, while also applying heat. The adhesive may be applied to the outer face of the layer of longitudinal threads immediately before the laying of the transverse threads, or a .thermoplastic adhesive may be .combined with the threads, e.g. the threads may be spun from a mixture of cotton and cellulose acetate rayon fibres. As shown, threads W are pulled from warp beams 14 and 15 around guide rollers 20 and over the two wide faces of a stationary former 21 of rectangular cross section. As the layers of longitudinal threads pass down the faces of the former, they are coated with adhesive by rollers 22 fed by rollers 23 dipping in a trough 24 of adhesive, and the adhesive dries on the .threads since the former is heated, e.g. by internal gas jets. A second application of adhesive is made by rollers 22a fed by rollers 23a dipping in adhesive troughs 24a, and, while it is still wet, threads W<1> are wrapped on the former so as to lie across the threads W, the threads W<1> being drawn from bobbins carried on spindles 32 mounted on a rotating annular platform 31 which surrounds the former and is supported on bearing rollers 29 and rim guide rollers 30. The assembly of longitudinal and transverse threads is then pressed against a further heated zone of the former by heated rollers 45 which bond it into a cloth, and between rotary knives which sever the transverse threads and form two lengths of cloth, one from each wide face of the former. The speed of rotation of the annular platform 31 relative to the movement of the longitudinal threads can be varied to vary the spacing of the transverse threads. The adhesive may be an aqueous emulsion of polyvinyl chloride or synthetic rubber. The "threads" employed may be single continuous filaments, groups of parallel or twisted filaments, spun, folded, or cabled yarns, slivers, or rovings.
Patent GB-686910-A (GB)
Title: Improvements in and relating to mills adapted more particularly for producing material of a paste-like character
IPC: B02C2/10
Filed: 1950-02-23
Abstract: 686,910. Conical mills. CHINA, F. J. E. Feb. 22, 1951 [Feb. 23, 1950], No. 4646/50. Class 59 In a colloid mill comprising a stator having a working surface 18 and a highspeed rotor having a working surface 10, the rotor is fitted with vanes 2 adapted, in operation, to cause material fed to a zone between them to be thrown outwards by centrifugal action against a surface 20 of the stator and to be constrained to move through a gap 21 between the stator and rotor and pass upwards between the surfaces 10 and 18. The rotor comprises a circular metal tray 1 fitted with a lip 3 and carries a carborundum or like ring 8 the surface of which forms the working surface 10. The stator comprises a lid 11 provided with a feeding aperture 12 and an overhanging flange 13, the lid carrying an annular body 15 of carborundum or the like the surface 18 of which co-operates with the surface 10. The stator is axially adjustable to adjust the clearance between the working surfaces, and a screw 17 is provided to enable a feeler gauge to be inserted between the working surfaces.
Patent GB-443270-A (GB)
Title: Radio receiver
IPC: H04B1/26
Filed: 1934-09-25
Abstract: 443,270. Wireless receiving-apparatus. HAZELTINE CORPORATION, 15, Exchange Place, Jersey City, New Jersey, U.S.A.- (Assignees of Wheeler, H. A. ; 18, Melbourne Road, Great Neck, New York, U.S.A.) Sept. 25, 1934, No. 4810 /35. Convention date, Oct. 3, 1933. Divided out of 430,787. Drawings to Specification. [Class 40 (v)] The subject-matter is identical with that of Specification 430,787. The claims relate to the detecting arrangement for obtaining gain controlling voltage and ensuring that this voltage is withheld from the amplifiers while it is positive with respect to the cathodes of the amplifiers and obtaining a reverse gain control voltage to increase the gain control. Reference has been directed by the Comptroller to Specification 407,317.
Patent GB-1036991-A (GB)
Title: Improved ratchet spanner or key
Inventor: SIMPSON REGINALD CHARLES
IPC: B25B13/46
Filed: 1964-02-05
Abstract: 1,036,991. Spanners. R. T. SHELLEY Ltd. Nov. 30, 1964 [Feb. 5, 1964], No. 4811/64. Heading B4W. In a ratchet spanner comprising a member 13 rotatably mounted in a lever handle carrying a spring-pressed pawl 16 for engagement with peripheral ratchet teeth 15 on the member 13, the lever handle is formed by two identical sheet metal pressings 10, 11 spot-welded together with their flanges in edge contact. The pawl 16 is slidably mounted in a housing 17 of channel section welded against the inner face of the handle pressing 10, the channel section part of the housing 17 being received in a rectangular depression 19 in the handle pressing to which it is secured. The handle pressings are secured together by spot-welding together abutting portions of aligned dimples 21 formed in the pressings and the abutting faces of complementary webs 22 on the ends of the pressings. The member 13 has a through opening 14 of non-circular cross-section for engagement with a nut or other part to be rotated.
Patent GB-522668-A (GB)
Title: Improvements in and relating to bearing structures for electric motors
IPC: H02K5/167
Filed: 1939-02-14
Abstract: 522,668. Bearings. WOODS, Ltd., M. W., DIGGLE, T. R., and WHITFIELD, G. A. C. Feb. 14, 1939, No. 4843. [Class 12 (i)] The end plate 1 of the bearing structure of a small low starting torque electric motor is formed with an annular seating 4 to which may be secured either a thin metal diaphragm 5, Fig. 1, having a central depression 6 to constitute with a recess 7 in a central boss 2 on the plate. 1 a spherical seating for a self-aligning bearing sleeve 8 or a disc 10, Fig. 2, having a centre boss 11 bored to receive the outer race of a roller or ball bearing 12. The same screws are used to secure either a clamping ring 9 for the diaphragm 5 or the disc 10. Grease may be supplied to the ball bearing 12 through a bore 14 in the end plate leading to an annular recess 3 which communicated by a bore 15 with the recess 7. A thrower ring 13 may be provided between the inner ball race and a.shoulder on the motor shaft or the disc 10 may be continued inwardly to a small clearance around the shaft. A sleeve of synthetic resin, fibrous material such as leatheroid, rubber, or grease-resisting rubber substitute may be provided between the outer race and the disc 10. The sleeve 8 is preferably of porous self-oiling alloy but may be supplied with oil through the bore 14, the recess 3 and the space between the boss and the diaphragm 5 being filled with felt packing washers.
Patent GB-525133-A (GB)
Title: Improvements in circuit arrangements for operating electric discharge devices
IPC: H05B41/18
Filed: 1939-02-14
Abstract: 525,133. Supply for electric discharge devices. GENERAL ELECTRIC CO., Ltd., HARRIS, N. L., and KIRKNESS, R. H. Feb. 14, 1939, No. 4855, [Class 38 (iv)] [Also in Group XL] In the supply circuit arrangements for electric discharge devices having a pair of thermionic electrodes 2, Fig. 3, adapted to be heated independently of the discharge at least during the starting period by current passing through the usual control choke 3 and through a switch 5 short-circuiting the discharge path until the discharge is initiated, the short-circuit connecton includes a coil 7 wound reversely upon the choke so that at starting the impedance of the choke is reduced. In a form in which the choke carries secondary windings supplying the thermionic electrodes, the short-circuiting connection includes a reversely wound coil on the core in opposition to the main winding. The switch 5 may be operated to the open position by a heating element which is traversed both by the current through the switch and by the discharge current. In abnormal cases, where the current through the electrodes is (with the switch closed) inconveniently large the winding 7 is wound to assist the winding 3.
Patent GB-936914-A (GB)
Title: Ball point writing instrument
IPC: B43K7/08
Filed: 1960-02-11
Abstract: 936,914. Reservoir pens. E. J. J. HENRIKSEN. Feb. 11, 1960 [Feb. 12, 1959], No. 4874/60. Class 146 (3). An ink reservoir 1 for a ballpoint pen contains a column 2 of glycol-based writing ink, and a follower-plug 4 of an oil-based ink slidable along the wall of the reservoir in contact with one end of the column 2. Where the inside diameter of the reservoir is large, the ink used for the plug 4 may be thickened by adding a metallic soap, and a solid pistonlike core of polystyrene may be placed within the ink plug mass. The consistency of the plug 4 must be such that the substance of the plug can be fed to the ball point 3 and transferred by the ball to the writing surface. Specifications 669,973 and 772,744 are referred to.
Patent GB-853623-A (GB)
Title: The use of osmium tetroxide in the conversion of sulphoxides to sulphones
IPC: C07C315/02
Filed: 1957-02-13
Abstract: A sulphone is prepared by contacting a sulphoxide containing two carbon atoms vicinal a sulphoxide group with osmium tetroxide as catalyst at a temperature at which disproportionation of the sulphoxide yielding a sulphone occurs but below that at which substantial decomposition of the reactants occurs.  Suitable sulphoxides include those of the general formula : <FORM:0853623/IV(b)/1> wherein the Rs represent organic radicals which do not enter into the disproportionation reaction.  Thus, R and R1 may be alkyl, alkenyl, cyclo alkyl, cycloalkenyl, aryl or hetero cyclic radicals and R11 a corresponding divalent radical and numerous examples of the Rs are given.  The Rs may be substituted for example by halogen, CO, NO2, NH2, COOH or COOR or by aliphatic radicals derived from ethane, propane, ethylene, propylene, butylene or butadiene.  Cyclic sulphoxides such as tetramethylene sulphoxide, thioazole sulphoxide and thioxane sulphoxide may also be used.  The reaction generally results in two moles of the sulphoxide yielding one mole each of the corresponding sulphone and sulphide by intermolecular disproportionation but it is stated that intramolecular disproportionation can take place with certain poly sulphoxides. The process may be effected in an aqueous system, suitably at 25-200 DEG  C. or in a non-aqueous system in the presence or absence of an inert diluent, suitably at 25-300 DEG  C.  The amount of catalyst may vary from about 1 X 10-8 to 1 X 10-1 parts per part of sulphoxide in an aqueous system and from 1 X 10-10 to 1 X 10-2 for a non-aqueous system.  The reaction may be carried out continuously.  Examples describe (1) the conversion of dimethyl sulphoxide into a mixture of dimethyl sulphone and dimethyl sulphide at temperatures ranging from 25 DEG -130 DEG  C. in aqueous or non-aqueous systems, sometimes in the presence of oxygen or nitrogen at atmospheric pressure or under elevated oxygen pressure ; in a semi-continuous experiment (Example 4) methylene-bis-methyl sulphide is obtained as a degradation product ; (2) the conversion of methyl phenyl, methyl octyl, thiodiglycol, diphenyl and thioxane sulphoxides at 140 DEG -205 DEG  C. to mixtures of the corresponding sulphones and sulphides ; (3) the conversion of 3:3-bis (ethyl sulphoxy) pentane into a mixture of tetronal and 3:3-bis (ethyl mercapto) pentane by heating with osmium tetroxide catalyst under oxygen pressure.
Patent GB-212085-A (GB)
Title: Improvements in and relating to devices for adjusting the driving chains of cycles
IPC: B62M9/16
Filed: 1923-02-20
Abstract: 212,085. Wilson, W. T. Feb. 20, 1923. Driving - chains, adjusting; wheels, facilitating detachment of.-In means for mounting the axle 3 of the driving-wheel of a cycle wherein the axle is engaged by the slotted eye 7 of a bolt 5 which is adjustable within a swivelling bracket 4 upon the fork or frame of the machine, the outer face of the eye is provided with one or more circular ribs or projections 10 adapted to engage with corresponding slots or grooves in the inner face of the nut 9 on the axle. The bolt may be adjusted by nuts 6 disposed on opposite sides of the bracket, or the bolt may carry a single nut arranged between the limbs of a forked form of swivelling bracket. According to the Provisional Specification, the bracket has a small amount of free transverse movement in addition to its rotary movement.
Patent GB-1029011-A (GB)
Title: Improvements in and relating to increment adding means
IPC: H03K21/00
Filed: 1964-02-06
Abstract: 1,029,011. Electric adding apparatus. CONTRAVES A.G. Feb. 6, 1964 [Aug. 23, 1963], No. 5023/64. Heading G4A. The outputs of two two-bit shaft encoders are logic circuits which derive a single bit-pair output in the same code representing the sum of the angular increments of displacement of the two shafts. The logic circuits may be relay circuits or diode gates, and an arrangement for avoiding errors in the case of simultaneous changes in the outputs of the two encoders is described and illustrated.
Patent GB-451330-A (GB)
Title: Improvements in spray guns for paints and the like
IPC: B05B7/12
Filed: 1936-02-19
Abstract: 451,330. Spray-producers. KRAUTZBERGER, A., Holzhausen, near Leipsic, Germany. Feb. 19, 1936, No. 5061. Convention date, Feb. 21, 1935. [Class 69 (iii)] The valve-operating mechanism of an air pressure paint sprayer is mounted in a closed chamber to which compressed air is admitted to prevent leakage of paint therein. Fig. 1 shows a spray gun in which the mechanism is mounted in a chamber b and comprises a trigger-operated lever y pivoted at p and having a forked extension bearing against a sleeve carried by the paint valve k and another g<1> bearing against a lever n attached to a plunger o, which operates the air valve h. Compressed air passes through a passage 2 to the spray nozzle, a small quantity also being admitted through a regulable port 3 to the chamber b. The needle valve k may be hollow and have an opening 4 by which air passes to the nozzle. Excess pressure in the chamber b may be prevented by a safety valve or a small vent. Fig. 4 shows a modification in which a fingerpiece q operates a lever t in the chamber b to open the air valve p and at the same time to force back a spring pressed slide operating the paint valve k through rigidly connected members s. Air is admitted to the chamber b through the duct 3.
Patent GB-248910-A (GB)
Title: An automatic feeder for poultry
IPC: A01K39/012
Filed: 1925-02-24
Abstract: 248,910. Hair, N. B. Feb. 24, 1925. Feeding-devices for animals.-The container 1 of an automatic dry mash feeder for poultry is supported at an adjustable distance above its food tray by a stay 7 extending across the container of the feeder resting on a collar 8 that may be secured at any desired position along a rod 2 depending from a beam 4. The tray 17. which has an upwardly coned bottom 16, rests on a platform 19 that is hung by a hook 15 from the end of the rod 2. The fowls, jumping on the platform 19, rock the platform and the tray and cause the mash to fall into the tray. A net-work of wire 14 is arranged at the base of the container and holes 22 are provided in the lower part of the sides. Adjustable stops 20 limit the swing of the platform. A coned lid 11 is fitted that may be held up by a hook 13 while the container is being filled.
Patent GB-286868-A (GB)
Title: Improvements in pumps
IPC: F04B9/14
Filed: 1927-02-23
Abstract: 286,868. Abbott, S. S. Feb. 23, 1927. Single - acting piston pumps.-A readily demountable sewage or other pump comprises a plunger E, in the form of a hollow cylinder, reciprocated in a cylinder A by means of a link G and lever K pivoted at L. The plunger is packed by a rubber sleeve M, of slightly smaller diameter than the plunger, secured to the end of the cylinder A. When the pump is required to deliver under pressure, a rubber sleeve R is secured in a recess at the lower end of the plunger.
Patent GB-1298762-A (GB)
Title: Stabilized test device for detecting couplable compounds
Inventor: MAST R L
IPC: G01N33/72
Filed: 1970-02-03
Abstract: 1298762 Laminates MILES LABORATORIES Inc 3 Feb 1970 [17 Feb 1969] 5174/70 Heading B5N [Also in Division B1] A laminated device for use in testing body fluids (see Divisions B1-B2) is made by contacting a 4-inch wide sheet of dried reagentimpregnated filter paper with one surface of a double-faced pressure-sensitive cellulosic fibre reinforced adhesive tape having a. wax paper backing, the tape being slit into strips 1/5 inch wide and wound on to rolls. A roll is then mounted on an axis and the backing removed, the exposed surface of the tape then being continuously bonded to a surface of a 3 inch wide sheet of polystyrene film 0À01 inch thick.
Patent GB-440005-A (GB)
Title: Cartridge-carrying belt for automatic firearms
IPC: F42B39/08
Filed: 1935-02-18
Abstract: 440,005. Cartridge belts for machine guns. METALLURGICA BRESCIANA GIA TEMPINI, Brescia, Italy. Feb. 18, 1935, No. 5195. Convention date, Feb. 19, 1934. [Class 92 (ii)] Relates to disintegrating metal-link belts, the elements of which comprise two open cartridge housings 2, 3 on one side joined by a bridge-piece 4 to a single open housing 6 on the other side, the elements being united by the cartridges which form the hinge pins. The invention consists in providing a bridge-piece of arcuate formation which is extended to form an edge x and an arcuate housing 6 which fits the arcuate bridge of an adjacent element. The bridge-piece has a stamped-out recess 5, Fig. 6, to accommodate the housing 6, and the cartridges are raised from the housings by a wedge 10 on the gun acting between the cartridge and a projection 9 on the link. The housing 3 is provided with projections 7 engaging the extraction groove of the cartridge. In a modification, Fig. 8, pressed-up tongues 12 are provided to hold the links assembled during normal working of the gun whilst permitting of disassembly by relative rotation of the elements.