baber/WOPTO huggingface dataset:
Patent GB-285087-A (GB)
Title: Improved manufacture of tuberculin preparations
IPC: A61K39/04
Filed: 1928-02-09
Abstract: 285,087. I, G. Farbenindustrie Akt.- Ges. Feb. 11, 1927, [Convention date]. Toxins, vaccines, and immunizing and like serums.-Tuberculin preparations are treated with heavy metal compounds such as dialysed iron oxychloride or lead salts so as to remove albumins and their cleavage products leaving the active constituents in the solution, from which they may be separated by addition, either of acetone, an alcohol, or other solvent in which the active substances are insoluble, or of an alkaloil precipitant which is afterwards eliminated by chemical action. In one example, dry human tuberculin separated from Koch's broth by precipitation with alcohol, or old tuberculin " Koch," is dissolved in water, and dialysed ferric hydroxide added to precipitate albumin. The concentrated filtrate is treated with picric acid and the precipitate decomposed with dilute hydrochloric acid. Acetone is added to the solution obtained so as to precipitate the active substances. In a second example an extract of bovine tubercule bacilli freed from wax and fat is dissolved in water and the solution treated with lead acetate. The filtrate is freed from lead and treated with acetone. Specifications 21927/93 and 1398/10 are referred to. The Specification as open to inspection under Sect. 91 (3) (a) contains also a third example, according to which killed bacilli are extracted with alcohol and the solution evaporated under vacuum. The residual mass is extracted with water and the solution obtained treated as in the second example. This subject-matter does not appear in the Specification as accepted.
Patent GB-1426659-A (GB)
Title: Knitting machine
IPC: D04B35/12
Filed: 1974-01-29
Abstract: 1426659 Knitting machines TORAY TEXTILES INC 29 Jan 1974 [2 Feb 1973] 04139/ 74 Heading D1C Yarn 2' is fed to a knitting machine via a stop motion device 4 which releases the yarn and stops the machine in the event of abnormal tension in the yarn and the machine is provided with apparatus for automatically replacing the yarn in the device 4 and restarting the machine, such apparatus suitably comprising a member 17 adapted for vertical motion between a lower position A in which the released yarn 2' is received by an element 9' and an upper position B in which the yarn is returned to the stop-motion device. The members 17 for various yarns are mounted on a rail 14 which is connected to a shaft 16 adapted to be rotated by a motor. Each member 17 has pivotally mounted thereon a tension-sensitive arm 10 which, in the event of continuing abnormal tension when the yarn is being returned upwardly, pivots against the force of a spring 13 and trips a micro-switch 12 to stop the upward motion of the member 17. Guide elements 7 may be provided to direct the released yarn to the element 9'. A resetting lever 5 for the stop motion device 4 is also provided.
Patent GB-1118307-A (GB)
Title: Improvements in or relating to antibiotic derivatives and the manufacture thereof
IPC: C07H15/16
Filed: 1965-07-14
Abstract: The invention comprises the free base and acid addition salt forms of a compound of the formula <FORM:1118307/C2/1> wherein R2 and R3 are hydrogen or alkyl of not more than 12 carbon atoms and Y is hydrogen, -S-alkyl of not more than 12 carbon atoms, -S-CH2CH2OH or -S-CH2CH2O alkyl, wherein alkyl is of not more than 12 carbon atoms, a compound of the formula <FORM:1118307/C2/2> wherein Ac is alkanoyl or aralkanoyl of not more than 12 carbon atoms and R3 and Y are as defined above, a process which comprises reacting <FORM:1118307/C2/3> with acetone to form a compound of the formula <FORM:1118307/C2/4> oxidizing the latter with chromic acid to form a compound of the formula <FORM:1118307/C2/5> converting the obtained compound to a compound of the formula <FORM:1118307/C2/6> by a borohydride reduction, and removing either the isopropylidene group first by acid hydrolysis, and then the Ac group by hydrazinolysis or alternatively removing the Ac group first by hydrazinolysis and then the isopropylidene group by acid hydrolysis to form a compound of the formula <FORM:1118307/C2/7> wherein R3, Ac and Y are as defined above and a process which comprises removing the Ac group from a compound of the general formula <FORM:1118307/C2/8> wherein R12 is alkyl of 3-12 carbon atoms, -CH2CH2OH or -CH2CH2OR4, wherein R4 is alkyl of not more than 12 carbon atoms and Ac is alkanoyl, aralkanoyl of not more than 12 carbon atoms or acyl of the general formula <FORM:1118307/C2/9> wherein Z is a protective hydrocarbyloxycarbonyl group which is removable by hydrogenolysis, R is alkylidene of not more than 20 carbon atoms, cycloalkylidene of 3 to not more than 8 carbon atoms or aralkylidene of not more than 12 carbon atoms and R1 is hydrogen, alkyl of not more than 20 carbon atoms, cycloalkyl of 3 to not more than 8 carbon atoms, or aralkyl of not more than 12 carbon atoms, by hydrazinolysis to form a compound having the general formula <FORM:1118307/C2/100>
Patent GB-450558-A (GB)
Title: Improvements in machines for distributing manure or other material
IPC: A01C15/10
Filed: 1935-02-09
Abstract: 450,558. Distributers for manures &c. BAMFORD, J., St. Mary's Mount, and BAMFORD, C. J., The Parks, both in Uttoxeter, Staffordshire. Feb. 9, 1935, No. 4211. [Class 6 (i)] In a manure or like distributer comprising a box having discharge regulating mechanism consisting of three or more superposed grids, the middle one of which, or the top and bottom one of which is or are reciprocated, two independent sets of driving gearing are provided for driving the regulating mechanism, or the regulating mechanism and agitating mechanism, one set receiving motion from each supporting wheel. When the middle grid 1 is fixed in position the top and bottom moving grids may each be divided longitudinally and transversely the parts of the top grid being connected to the corresponding parts of the bottom grid to form our units. Each set of driving mechanism comprises a ratchet wheel, bevel gearing 8, 11, a shaft 12, a clutch 16, two cranks 23, 25, and two connecting-rods 24, 26, adjustable linkage being provided for regulating the length of stroke. Each grid unit is driven by a separate crank, the two cranks on each shaft 12 being out of alignment so that the two grid units driven from each shaft never reach an end of stroke position simultaneously. The grid units may be spaced apart at their inner ends, or may overlap. Some of the moving grids may be cranked where they overlap so that they may slide in contact with the middle grid for the greater part of their areas. One or both of the shafts 12 may be provided with an eccentric 32 actuating a slotted lever engaging a reciprocating agitator rod 36. This rod may be in two parts, or there may be two rods. In a modification, the grids are divided longitudinally but not transversely and there is one crank only on each shaft 12. In another modification, one shaft 12 drives the moving grids while the other drives the agitator rod or rods. In another arrangement, the middle grid is driven and is divided, the ends of the parts overlapping and the upper and lower grids being cranked. In this construction, the upper grid is fixed to the bottom of the box or hopper 14 and the lower grid is carried by cross-bars supported by nuts or screwed supports, the parts of the moving grid being attached to angle members supported on rollers. In all constructions, the openings in the top and bottom grids are out of register. Specification 327,965, [Class 6 (i)], is referred to.
Patent GB-712650-A (GB)
Title: Improvements in or relating to units for suppression of electrical interference
Inventor: BERESFORD DONALD ALFRED
IPC: H01G4/35
Filed: 1952-02-18
Abstract: 712,650. Impedance networks. STANDARD TELEPHONES & CABLES, Ltd. Feb. 18, 1952, No. 4223/52. Drawings to Specification. Class 40 (8). [Also in Group XXXVI] Relates to various forms of construction of radio interference suppression condensers (see Group XXXVI) with each form possessing the feature of low self-inductance due to terminal or e!ectrode connections being brought out at regular intervals from each end of each electrode. The Specification uses inductance-capacity networks, Figs. 7 and 8 (not shown), in explaining the low value of self-inductance for a roll-type capacitor. Reference has been directed by the Comptroller to Specification 680,432, [Group XXXVI].
Patent GB-565505-A (GB)
Title: Improvements in or relating to electric water heaters for domestic purposes
IPC: F24H1/20
Filed: 1943-03-16
Abstract: 565,505. Electric water heaters. JOHNSON & PHILLIPS, Ltd., and SANDERS, J. T. March 16, 1943, No. 4271. [Class 34 (i)] [Also in Group XI] A unit structure comprising an electric water heater and an airing cupboard consists of a casing 1 with an electrically heated tank 2 in the base, a cold water supply tank 3 at the top, and an airing cupboard 4 between. The latter may be heated by the tank 2 or by a coil fed from it, or by an independent automatically controlled electric heater. An electric heater 7 may heat only the upper portion of the water, or if a larger quantity of water is required, a second heater 9 at the bottom provided with a pilot lamp may be used. Both may be thermostatically controlled. Heat insulation may be provided around the tank 2 and space 4, part of the insulation above the tank 2 being omitted to provide heat for the space 4. Towel rails, heated by the tank 2 or independently, may be provided on either side of the unit. Specification 435,120 is referred to.
Patent GB-620740-A (GB)
Title: Improvements relating to thrust bearings
IPC: F16C17/06
Filed: 1946-02-26
Abstract: 620,740. Thrust bearings. ENGLISH ELECTRIC CO., Ltd., and SEEWER, P. W. Feb. 26, 1946, No. 4271/47. Divided out of 620,672. [Class 12 (i)] A thrust bearing of the type having a plurality of Michell pads individually seated in a partspherical manner on a common stationary base ring itself mounted in a part-spherical manner on a final ring or like support, has the individual pads each held against rotation by a pair of bolts passing with clearance through holes in the stationary ring and provided with spring washers beneath the bolt heads, the bolts lying in the axial plane drawn through the axis of the shaft and the centre of the spherical seating of the individual pad. As shown in Fig. 1 in part-sectional elevations and in Fig. 2 in twopart sectional plan, a vertical shaft suitable for a large hydro-electric generator is supported by its collar 31 being borne on Michell pads 29 of chilled cast iron tiltably held on their base ring 20 of cast iron by bolts 21, 22 having clearance within the bores and provided with strong springs 41, 42 beneath their heads, the pads being seated on the base ring in partspherical manner as shown at 29a and the base ring 20 itself being seated in a part-spherical manner as shown at 20a on a final ring 26 of steel carried by the bottom plate 27 of the bearing casing. The bolts 21 22 and the centre of the part-spherical seating 29a lie in a plane through the axis of the shaft. In manufacture, the pads are rigidly held on the base ring whilst being faced and lapped. This is effected by inserting rigid bushes and washers about the bolts 21, 22 and inserting for each pad a temporary bolt 19 spaced away from the axial plane in lie with the part-spherical seating 29a and the bolts 21, 22. The rotary thrust collar 31 of cast iron is fixed to a steel ring 30 keyed to the shaft 43 and held axially by bolting to a divided ring fitted in a groove 43a on the shaft. A number of small Michell pads support the rotary thrust collar 31 radially. The bearing is immersed in oil, the casing having an inner sleeve 24 close to the shaft which is fitted with a flaring cup 12 extending above the oil level ; breather holes 30a in the rotary ring 30 open above this cup.
Patent GB-1421532-A (GB)
Title: Indirect domestic water heating systems
IPC: F24D3/08
Filed: 1972-01-29
Abstract: 1421532 Water heating systems for control heating and domestic supply FLEMING FABRICATIONS Ltd 29 Jan 1973 [29 Jan 1972] 4282/72 Heading F4A A water heating system for central heating and domestic supply comprises a boiler B heating primary water for central heating, a pump 5 driving primary water through radiators R, an indirect heat exchanger 3 receiving primary water and located in a domestic water cylinder 4, a one-way valve 1 connected in series with the pump at the outlet of heat exchanger 3, and a by-pass line 8 connected between the output side of the pump and a point between the one-way valve and the heat exchanger 3; the valve 1 being arranged to be closed when the pump is operating and to be opened by gravity feed when the pump is not operating. Fig. 3 shows a device 9 which is connected to both central heating and domestic circuits to allow them to be supplied from a common tank H. A lower chamber 13 is connected via a line 14 to the return side of the boiler, and an upper chamber 12 is connected via line 15 to the expansion pipe of the cylinder 4, and has an outlet 16 venting to the atmosphere. A tube 17 connects upper and lower chambers and in operation dissolved air released by heating the domestic water fills the upper chamber to effectively separate primary and domestic circuits. The primary circuit is replenished by being vented to allow water to overflow through tube 17 from the upper chamber. In one embodiment (Fig. 1, not shown) the device 9 is omitted and separate supply tanks are employed; and in a further embodiment (Figs. 5, 6, 7, not shown) two devices 9 are coupled together to avoid the need of a primary expansion line. This latter embodiment is the subject of Specification 1,421,533.
Patent GB-152915-A (GB)
Title: Improvements in wireless telegraph receivers
IPC: H04L27/06
Filed: 1920-02-13
Abstract: 152,915. Turner, L. B. Feb. 13, 1920. Wireless telegraphy. - In highspeed wireless signalling, the limitation of speed set by the slow dying away of oscillations produced by a signal, during the following space, is overcome without decreasing the sensitiveness of the receiver. A receiving- circuit with normally small clamping is so arranged that additional damping is introduced into it by the received signal as soon as the latter has reached an amplitude competent to operate the receiving- instrument. This additional damping, which is referred to as " curbing," is maintained after the signal has stopped, over the greater part of the spacing period. In one example, Fig. 1, a relay 1 is actuated by the oscillations in the main receiving circuit LC rectified bv means of any known rectifier 2, so as to introduce the resistance 5, which the relay normally short-circuits, into the oscillatory circuit. The sluggishness or otherwise with which the relay tongue returns from M to S is controlled by means of the condenser 3 and resistance 4 shunted across the relay coils. This resistance may be in some cases omitted. In another example, Fig. 2, a portion of the inductance L is shunted by the triode valve 6, the grid 8 of which is normally kept at a low potential with respect to its filament, the value of this potential being determined by the battery 12. When, however, the tongue of the relay 1, operated as in the first example, moves to M, the grid gains a positive potential corresponding to the difference in voltage of the battery 15 and the battery 12. When the relay tongue returns to S the potential of the grid gradually falls at a rate determined by the time constant of the circuit 13, 14 down to the potential determined by the battery 12. Thus while the relay tongue is at S the extra-damping due to the valve 6 is zero, but when it is at M, and the resistance of the valve is thus lessened, the curbing is appreciable, and, bv varying the amount of inductance included in the circuit 9. L, 11, 7, may be given such a value that the amplitude of signals does not increase beyond the operating value. The triode valve may be replaced by a Fleming valve, in which case the relay controls the potential of the anode on the same way as in Fig. 2 it controls that of the grid. The Provisional Specification also describes a method in which additional damping is introduced without the use of an electro-mechanical relay, by an arrangement such as that described in Specification 130,408, wherein signals produce self-sustained oscillations in a retroacting triode oscillator. These oscillations, which are of a much higher frequency than those of the signals, have their rate of extinction suitably adjusted by means of a grid condenser with a shunted resistance.
Patent GB-1108029-A (GB)
Title: Vacuum degassing apparatus for melted metals
IPC: C21C7/10
Filed: 1967-01-30
Abstract: A ladle for vacuum degassing is provided with a cover in which are mounted electrical heating means and which has an opening through which molten metal is charged, the ladle being located below and capable of vacuum-tight connection to a vessel initially containing the metal and being provided with a closable discharge opening. In the charging opening of the cover there is located on electrically conductive tube which serves both to conduct the molten metal to the ladle and as a contact for at least one resistance heater extending radially from the tube.  As shown in Fig. 1, ladle 1 has a cover 2 which is enclosed by a vacuum-tight hood 8, on which is located receptacle 14 of metal to be treated <PICT:1108029/C6-C7/1> and which is connected to vacuum pumps by a conduit 7.  When the ladle is evacuated the molten metal is allowed to melt sealing plate 9 and flow through central tube 5, which may be made of graphite and may have a replaceable refractory liner 6.  At least one radial resistance heater 3 is supported at its inner end on tube 5, being maintained in contact therewith by plunger mechanism 13 and supplied with current from cable 10 by a water-cooled contact.
Patent GB-1124579-A (GB)
Title: Preparation of ªŠ-hydroxycaproic acid
IPC: C07C51/44
Filed: 1966-02-01
Abstract: In a process for the preparation of e -hydroxycaproic acid by the oxidation of cyclohexanone in the liquid phase with a gas consisting of or containing molecular oxygen in the presence of an aldehyde to produce a reaction product containing e -caprolactone, the reaction product is hydrolysed with water to e -hydroxycaproic acid which is separated.  The separation may be by extraction with an organic solvent, e.g. benzene, by a steam distillation in which the acid remains as a residue.
Patent GB-826054-A (GB)
Title: An improved device utilising exhaust gases from an internal combustion engine, to heat another fluid, and also operating as a silencer for said gases
IPC: F02G5/02
Filed: 1957-02-08
Abstract: 826,054. Tubular heat exchangers; heating steam boilers by waste gases. RHEINSTAHL NORDSEEWERKE G.m.b.H., [formerly NORDSEEWERKE EMDEN G.m.b.H.]. Feb. 8, 1957 [Feb. 8, 1956], No. 4476/57. Classes 64(3) and 123(2) [Also in Group XXVII] In a device in which the exhaust gases of an internal combustion engine are used in a heat exchanger to provide hot water or steam, and which also acts as an exhaust gas silencer, heat exchange tubes 3 are located in an annular exhaust gas passage 11 formed between an outer casing and a hollow displacer 16 closed at its. ends is disposed within the casing, the displacer having apertures in its side wall whereby the interior of the displacement body functions as a resonator chamber. In the form shown, the space within the displacer 16 is divided into two chambers 4, 10 communicating with the annular passage 11 through apertures 6, 20 in the displacer wall. The chambers 4, 10 are preferably tuned to different frequencies by suitably dimensioning the apertures 6, 20. Additional resonance chambers may be provided if desired. The heat exchange tubes 3 may extend parallel to one another (Fig. 2), or helically (Fig. 3) between the headers 1, 2.
Patent GB-265779-A (GB)
Title: Improvements in or relating to perpetual date indicators
IPC: G04B19/253
Filed: 1926-02-16
Abstract: 265,779. Kluge, K., and Berthold, W. Feb. 16, 1926. Date indicators.-A date indicator comprises a series of coaxial discs marked with the year, months, weeks and days of the week and provided'with teeth or toothed wheels so constructed and disposed that by a single ratchet pawl movement per day the discs are correctly adjusted allowance being made for the varying numbers of days of the months and for leap year. As shown in Figs. 1 and 2, the discs have internal teeth for engagement, by spring pawls f, g, on a central spindle i with an external operating knob, the pawls being oscillated between stops h. The disc a for the days of the week has teeth a<1> and is actuated by the pawl g. The pawl f has a radially extendable arm f<1> passing through the other discs b, c, d, and e, the engagement with the discs being under the control of the teeth thereof. The date figures are arranged on two discs b, c, Figs. 5 and 6, with teeth b<1> and irregular teeth c<1>, c<2> respectively, a gap b<3> being provided in the front, disc b so that after the 15th of the month the 16th on the disc c will be exhibited through the notch b<2> and the bent arm f<1> of the pawl will thereafter cooperate with the teeth c<1> to advance the disc c. The month name disc d and the year disc e which has the leap year numbers repeated four times have also irregular teeth so as to control the position of the arm f<1>. The teeth c<2> of the disc c are formed so that after the end of the month the pawl g for the disc a advances the disc c together with the disc a to bring the numeral 10 into alignment with the aperture k of the casing. At the same time a catch on the month disc d engaging one of the holes b<4> on the disc b to exhibit the numeral 1. To take account of the extra day in leap year the year disc e has the leap year number repeated four times this number being exhibited in succession at the beginning of the year, end of January, 29th February and 1st March respectively. In a modification the disposition of the discs is identical but these are provided with wheels having external teeth of irregular formation and actuated by pawls pivoted to an arm rotatably mounted on the central spindle. In another form the pawls may be actuated by clockwork as shown in Fig. 19. The spindle of the hour hand through gearing l, m, drives a cam o<1> to oscillate an arm r. The arm r is provided with a hollow extension through which passes a rod s which is secured to the arm r by a pin t and is connected by a link s<1> to the pawl carrying arm f<13>. If the clockwork should stop the pin t may be removed so that the calendar can be operated by hand movement of the rod s.
Patent GB-1483841-A (GB)
Title: Weatherseal manufacture
IPC: B29C48/07
Filed: 1975-02-03
Abstract: 1483841 Moulding sealing strip SCHLEGEL CORP 3 Feb 1975 [27 Feb 1974] 4489/75 Heading B5A A sealing strip comprising a flat resin base, a narrow strip of pile material extending upwards from a longitudinally central region of the base, and a pair of thin resilient fins extending upwards from the base on either side of the pile material is made by extruding a D-shaped resin tube, producing a higher pressure inside the tube than outside so as to expand the U- shaped portion without distorting the planar face, cutting off each side of the U-shaped portion so as to leave a pair of thin resilient fins, and securing a fibrous pile material between said fins.