baber/WOPTO huggingface dataset:
Patent GB-645180-A (GB)
Title: Improvements in or relating to the conditioning of penicillin
IPC: A61K31/43
Filed: 1948-09-17
Abstract: Penicillin is stabilized by admixture with 1 to 10 per cent by weight of an alkali metal phosphate or pyrophosphate or a mixture thereof, which in aqueous solution has a pH 7.0 to 9.0.  Preferred mixtures are (a) mono-and di-sodium phosphates containing between 10 and 50 per cent mono-sodium phosphate, and (b) normal and acid sodium pyrophosphate containing 5 to 40 per cent of the acid pyrophosphate. The penicillin is mixed with the dry salt in a sterile container and diluted with sterile water, glucose or saline solutions prior to use.ALSO:A method of producing stable penicillin preparations for injection in aqueous solution comprises introducing into a receptacle a solution of a buffer salt, evaporating such solution to dryness, dry-sterilizing the said receptacle and its contents and introducing solid penicillin into the sterile receptacle. When dissolved in sterile water, saline or glucose solution, the solution is stable within the normal limits of use, e.g. 4 days. To ensure complete sterility of bottles and the removal of pyrogens, the bottles must be subjected to dry heat at 250 DEG C for 1 hour.  Such sterilization precludes the use of buffers such as alkali metal citrates which decompose but may be carried out with alkali metal phosphates or pyrophosphates or mixtures thereof, which give aqueous solutions of pH 7.0 to 9.0.  Preferred mixtures are (a) mono- and di-sodium phosphates containing between 10 and 50 per cent of monosodium phosphate and (b) normal and acid sodium pyrophosphates containing between 5 and 40 per cent of the acid pyrophosphate.  The mixtures are used in the proportion of 1 to 10 per cent of the weight of the penicillin stabilized.
Patent GB-1317838-A (GB)
Title: Pyridoindole derivatives
IPC: C07D471/04
Filed: 1971-04-19
Abstract: 1317838 Pyridoindole derivatives ABBOTT LABORATORIES 19 April 1971 [1 April 1970] 24474/71 Heading C2C  Novel pyrido-indoles of the Formula I or II: wherein R is phenyl, tolyl, chlorophenyl, dichlorophenyl, fluorophenyl or nitrophenyl and n is 1 to 4 and acid-addition salts thereof may be prepared by condensing the corresponding N- unsubstituted carboline with RO(CH 2 ) n X where X is bromine or chlorine in an inert solvent in the presence of at least one molar equivalent based on the carboline of base. Pharmaceutical compositions of the compounds I and II show activity against trypanosoma cruzi (Chagas' disease) when administered orally with the usual excipients.
Patent GB-792229-A (GB)
Title: Improvements in or relating to automatic frequency control systems for radio navigation systems
IPC: G01S1/24
Filed: 1955-08-25
Abstract: 792,229. Radio navigation. SPERRY RAND CORPORATION. Aug. 25,1955 [Sept. 1, 1954], No. 24504/55. Class 40 (7). Relates to a Loran receiver of the type described in U.S.A. Specification 2,697,219 for measuring the time interval between two pulse trains of equal repetition rate transmitted respectively from spaced A and B stations in which two locally generated pulse trains A<SP>1</SP> and B<SP>1</SP> are automatically maintained coincident with the received A and B pulses respectively, the A<SP>1</SP> pulses being derived directly from a timing oscillator of higher recurrence frequency and the B<SP>1</SP> pulses being derived from said oscillator by means of a calibrated variable delay device which is controlled automatically in accordance with the difference between first and second control voltages proportional respectively to the displacement between the A and the A<SP>1</SP> pulses and the displacement between the B and the B<SP>1</SP> pulses. According to the present invention the frequency of the timing oscillator is controlled automatically in accordance with the average value of said control voltages so that if either the A or the B pulses fail, the remaining pulses will continue to lock with the appropriate local pulses. As shown, negative A and B video pulses, Fig. 2 U, from the receiver 10 are inverted at 425 and differentiated at 424, the resultant signals, Fig. 2 V<SP>1</SP>, being applied to a gating circuit 426 controlled sequentially by 5 Á-sec. positive A<SP>1</SP> and B<SP>1</SP> pulses 145, 146, Fig. 2 T, derived from 100 Á-sec. pulses S from the timing circuits in receiver 10. The sampled A and B pulse outputs from the gating circuit 426 are applied respectively to storage circuits 428- 430, 431-433 by a relay 121, 122 controlled by a square wave D from the timing circuits and the resultant first and second D.C. control voltages W and DD are applied sequentially to a cathode-follower 452 by a vibrating relay 513 operated by a 400 c./s. A.C. supply er to give a waveform FF of peak-to-peak amplitude equal to the difference between the control voltages W, DD which is amplified at 516 and applied together with a reference A.C. input er to a twophase motor 517 controlling the variable delay device which may be adjusted initially by applying an A.C. voltage er to amplifier 516 through switch 519. An output from cathode-follower 452 is also applied to a smoothing circuit 514, 515 to give a D.C. control voltage GG of amplitude proportional to the average value of control voltages W, DD which is applied to control the frequency of the timing oscillator in receiver 10. Specifications 668,777, 790,778 and U.S.A. Specification 2,651,033 also are referred to.
Patent GB-1200552-A (GB)
Title: Glow plug igniter
IPC: F23Q7/00
Filed: 1968-05-23
Abstract: 1,200,552. Glow plug igniter. GENERAL MOTORS CORP. 23 May, 1968 [1 June, 1967], No. 24622/68. Heading F4F. A glow plug igniter for use in a combustion chamber of a gas turbine engine comprises a tubular metal shell 10 with one end constituting an annular ground electrode 12 and which surrounds a unitary ceramic insulator 14 with a centre bore and which at its end adjacent the ground electrode has three axially extending grooves separated by three axially extending ribs, both of which terminate at a firing tip having a surface 25 in a plane extending at right angles to the axis of the centre bore and having an area of between 5 and 30% of the area of a circle drawn in the plane and having a radius equal to the radius of a cylindrical portion of the insulator into which the grooves are cut, and has a centre electrode 22 positioned in the centre bore and a substantially flat coil 24 of spirally wound resistance wire positioned on the surface 25 and connected at one end to the centre electrode and at the other to the ground electrode 12, the arrangement being such that the surface provides support for the coil without excess removal of heat therefrom which would cause the coil to be inoperative. Holes 23 in the shell 10 provide paths for air so that fuel vapour may ignite on contacting the coil. In the preferred embodiment the surface 25 has an area of 18-22% of said circle, and the wire is in the form of a ribbon. Reference has been directed by the Comptroller to Specification 1,098,149.
Patent GB-360519-A (GB)
Title: Combined electric rotary switch and fuse
IPC: H01H9/10
Filed: 1930-08-18
Abstract: 360,519. Snap-action switches. MILLS, G., 26, Frederick Street, Rockdale, New South Wales, Australia. Aug. 18, 1930, No. 24645. [Class 38 (v).] Contacts. - A. rotary doublepole switch-fuse comprises an insulating roller 10 having each end shaped with four cam surfaces, on opposite pairs of which are mounted, by means of rings 30, contacts 29 which co-operate with fixed brush contacts carried by the base to give a snap-action. Integral extensions 29b of the contacts 29 form clips for engagement with fuses 16 which rotate with the barrel and may be removed through a slot in the cover when the switch is in the off position.
Patent GB-1246589-A (GB)
Title: Electron gun
IPC: H01J29/48
Filed: 1970-05-21
Abstract: 1,246,589. Electron guns; electrode materials. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 21 May, 1970 [24 May, 1969], No. 24650/70. Heading H1D. An electron gun includes a cathode and a metal plate 9 situated opposite said cathode, wherein the plate has one or more apertures for passing current, is secured to metal cylinder 8, has circumferential strengthening groove 6 and is of Ni less than 200 Ám thick, the cylinder being of a Cu-Ni alloy containing 40 to 75% by wt. Ni, e.g. 55% by wt. Cu and 45% by wt. Ni. This construction is stated to avoid deformation of plate 9 due to heating during cathode activation. The plate may be silver soldered to the cylinder or secured by welding or diffusion and the ridge of groove 6 preferably faces the cathode. Reference is made to a prior art gun wherein deformation of the control grid plate is avoided by soldering it to the metallized surface of a graphite cylinder with Ni, Mo or Pt solder.
Patent GB-466645-A (GB)
Title: Improvements in or relating to cleaning and polishing articles such as brushes and sponges
IPC: A47L23/04
Filed: 1936-09-10
Abstract: 466,645. Brushes &c. SAMUEL, M. Sept. 10, 1936, No. 24702. [Class 19] A rubber brush, 1, Fig. 1, with integral bristles 3 and cellular recesses 4 is housed in a small box 2 of artificial resin, wood, metal or other suitable material. The surface of the brush protrudes beyond the edges of the box. A shallow lid 5 is provided which can be used either to close the box or, when reversed, Fig. 2, as an addition to the handle. A serrated gripping bar 7 is provided on each side of the brush which protrudes through slots 8 in both positions of the handle.
Patent GB-1056696-A (GB)
Title: An indicating device for the balance wheel of a timepiece
IPC: G04C10/00
Filed: 1964-06-15
Abstract: 1,056,696. Watches. OMEGA, LOUIS BRANDT & FRERE S. A. June 15, 1964 [July 20, 1963], No.24706/64. Heading G3T. A battery reserve power indicating device in an electric timepiece having a balance wheel, comprises a mark 4 on the balance wheel 1, Fig. 1 (not shown), and a window 3 in a dial 2. All the time the battery contains sufficient power to guarantee that the timepiece maintains the correct time the mark 4 will appear at the window 3 during oscillation of the balance wheel, but when the amplitude of the wheel falls due to a voltage drop the mark 4 will no longer appear at the window and an indication will be given that insufficient power is available to drive the timepiece. The window 3 may be of any shape and may be replaced by a mark on a larger window. The position of the mark may be adjustable. A window may be provided at each amplitude limit of the wheel 1.
Patent GB-1044063-A (GB)
Title: Melting in vertical furnaces
IPC: F23D14/00
Filed: 1963-06-21
Abstract: 1,044,063. Melting copper. AMERICAN SMELTING & REFINING CO. June 21, 1963 [June 22, 1962], No. 24733/63. Heading F4B. Copper, in the form of electrolytic cathode shapes, is melted in a stream of hot combustion gases produced by burners such that the oxygen content in each stream is substantially evenly distributed. The oxygen supply is less than stoichiometric by a small, limited amount, and the proportion of oxygen consumed before the stream of hot gas enters the furnace is controlled. A suitable furnace and suitable burners are described and claimed in Specifications 1,044,065 and 1,044,064 respectively.
Patent GB-685766-A (GB)
Title: Improvements relating to electric clocks
IPC: G04C1/02
Filed: 1949-09-27
Abstract: 685,766. Clocks. COOP, N. B. Jan. 11, 1950 (Sept. 27, 1949], No. 24754/49. Class 139. An electrically-operated clock has a pivoted arm which is spring controlled and carries a pawl which co-operates with a ratchet wheel geared to the clock train, and a contact which, when the arm is moved by the spring, closes the circuit to a solenoid, the armature of which then moves the pivoted arm to its spring tensioning position. The mainspring k pulls a pivoted arm a clockwise and a pawl b thereon steps on a ratchet c geared to the clock train. When a contact m on the lever a meets a contact q the circuit to a solenoid n is closed and the solenoid is energized to attract its armature o which pushes the lever b to its initial position to tension the spring k. According to the Provisional Specification, the arm is gravity controlled.
Patent GB-223599-A (GB)
Title: Frequency and voltage regulation of self-excited dynamo electric machines
IPC: H02K27/04
Filed: 1924-10-18
Abstract: 223,599. British Thomson-Houston Co., Ltd., (Assignees of Compagnie Fran- þaise pour l'Exploitation des ProcÚdÚs Thomson-Houston). Oct. 18, 1923, [Convention date]. Alternating-current commutator and indication machines; dynamos, regulating; exciting.-A self-exciting dynamo-electric commutator machine adapted for generating alternating and continuouscurrent has pairs of brushes corresponding to the number of phase, each stator phase winding being shunt connected across a pair of brushes, the voltage of the machine being varied by varying the angle between the brushes of each pair, and the frequency being varied by varying the axis of a pair of brushes with respect to the flux inducing the voltage between these brushes. The invention is described with reference to a two-phase commutator machine having stator winding through pairs of brushes a1, b1. Fig. 2 shows one arrangement functioning as a continuous-current machine. The axis A, A of a pair of brushes is displaced by an angle L with :respect to the axis B, B of the phase S1 and the resultant flux #1 of the stator and rotor ampere-turns is perpendicular to the axis A, A and in line with the axis C, C of the brushes belonging to the other phase (not shown). In these conditions, an exciting current i1 circulates in the phase S1. Fig. 5 shows another continuous-current arrangement but in this case the voltage has been reduced by diminishing the angle between the brushes. In Fig. 3 the resultant flux #1 has a component #<c> producing in current i1 in phase S1 and a component #A producing a current in phase S, (not shown). The current in phase S2 produces a flux at 90‹ to the flux #1 which interacts with the flux #c so that the flux #1 is unstable and turns in the direction F at a speed dependent upon the angular displacement a. By making the angle a greater than that shown in Fig. 2. the flux #1 turns in the opposite direction F. The load circuit may be connected to brushes of different pairs, or between pairs a, b of brushes, or it may be taken from extra brushes. The load' circuit may be connected in series with the exciting windings, or the machine may be compounded. Fig. 6 shows an arrangement in which the machine is compensated for the effects of load current, compensation windings K1 being connected through fixed brushes c1, d1. The machine may be cascaded with an induction motor for speed or powerfactor regulation, and it may furnish continuous current as an exciter for a synchronous machine. In the group shown in Fig. 7 the machine r is a separate exciter for the larger machine R which carries the compensating windings K, and fixed brushes. The exciter in this group can have a stator winding traversed by the load current. Specification 222,877 is referred to.
Patent GB-270953-A (GB)
Title: Envelope moistening apparatus
IPC: B43M11/04
Filed: 1926-10-07
Abstract: 270,953. Marbet, E. May 27, 1926, [Convention date]. Addition to 267,466. Coating - appliances, hand.-In a device for moistening the flaps of envelopes of the type described in the parent Specification, the base of the container for the moistening sponge is now made to correspond to the angular form of the gummed flap A<1> of the envelope A.
Patent GB-151001-A (GB)
Title: Improvements in furnaces of the underfeed type
IPC: F23K3/12
Filed: 1920-08-28
Abstract: 151,001. Ratel, M. Aug. 28, 1919, [Convention date]. Mechanical stoking; grates; ash-pits. -In an underfed furnace of the kind in which fuel is fed by plungers into a number of troughs having tuyere blocks at the sides, each trough is provided with several sets of secondary feeders or distributors, three sets 4 being employed in the furnace shown in Fig. 1. The two outer sets of distributors are arranged to move in the opposite direction to the inner set, their actuating-rods being provided with teeth engaging with a toothed sector 9 actuated by a rod 10 pivoted at 11 to the connecting rod 12 of the plunger 3. The stroke of the outer distributors is varied by the adjustable block 14 on the rod 10. To vary the stroke of the inner distributors, the actuating-rod 6 is provided with a series of holes 15 to receive two pins which may be adjusted in position for engaging with a lug 7 on the plunger 3. The tuyere blocks, one of which is shown separately in Fig. 5, are provided with holes decreasing in size towards the top, and are provided with lugs 24 adapted to embrace flat surfaces 26 upon locking-bars 25 which are rotated to disengage them from the lugs when it is desired to remove one or more tuyere blocks. The surface of the tuyere blocks and the lining of the furnace walls, which may be of metal or refractory material, are corrugated to prevent the adhesion of clinker, and the lining is made hollow for the circulation of air or steam for cooling purposes. The ashes &c. are discharged into a rear trough, the walls 30, 31 of which are fixed or movable and hollow for the circulation of air or steam in regulated quantities. A plunger 34 having a variable stroke serves to remove the ashes from the bottom of the trough which is provided with an adjustable plate to control the discharge of ashes.
Patent GB-755483-A (GB)
Title: Improvements in or relating to structures for floors and ceilings of buildings
IPC: E04F15/18
Filed: 1954-08-27
Abstract: 755,483. Floors. BONA, G. Aug. 27, 1954, No. 24975/54. Class 20(4). In a method of constructing a heated, and sound proof floor, a carrier floor 1 made of reinforced beams formed of hollow blocks, with, or without, filler blocks between them, or of reinforced concrete, is first erected to carry on its upper surface 7 a heating installation, the heating coils 11 only of which are shown, air circulation openings being formed in the carrier floor 1 by removing small diaphragms in the floor blocks, or by cutting holes in the concrete, according to the type of floor erected, whereupon the feet at the corners of cast blocks 5, arched in two directions, are arranged on sound insulating plates 6 placed on the upper surface 7 of the carrier floor 1. A foundation of binding material e.g. cement sand grout 3, is then spread over the cast blocks 5 and over the plates 6 between the corresponding bevelled corners of the arched blocks 5 and in grooves 8 in their upper faces. Sound waves are dampened particularly in the air spaces 4 formed by the arches 5, and are absorbed by the plates 6, each of which comprises an upper layer which is smaller and thicker than a more resilient lower layer. The tubes 11 of the heating installation are connected to the upper surface 7 by means of a cement base 12, a metal strip 13 being added, if desired, whose edges can be bent up to form a channel to receive a heat insulating material, e.g. glass wool 14.
Patent GB-1419726-A (GB)
Title: Vertical spindle pulverisers
IPC: B02C7/08
Filed: 1974-06-05
Abstract: 1419726 Disc mills LEONARD LIGHT INDUSTRIES (PTY) LTD 5 June 1974 [3 July 1973] 25020/74 Heading B2A A disc mill comprises an upper fixed disc 4 and a lower disc 2 secured to a rotatable vertical spindle 1, the discs being enclosed in a chamber and being fed by a hopper 13, air 'being supplied under pressure to sweep the interior of the pulverizer. The spindle has an axial central bore 14 and at least one radial outlet 16 facing the upper fixed disc at least one radial outlet through the lower end of the spindle below the discs. As described, two jets 15 emerge at the lower end of the spindle and the bore 14 is fed with and via a pipe 41 and swivel connector 39. A handwheel 35 sets the disc spacing, and the discs are moved together by a pneumatic piston 31 controlled by a valve 43. Exhaust pipes 21 maintain a partial vacuum in compartments 9 and 10 above and below the discs and thus extract unwanted fines. To 'begin grinding a sample container 6 is inserted into the mill, a valve 43 is operated and a pneumatic ram 8 moves a base 7 and the container 6 upwards so that the container 6 abuts the mill discharge funnel 5. When grinding is complete the valve 43 is again actuated the container is lowered, removed via an aperture 23 and this in turn actuates a valve 24. Air under pressure is blown through various jets:- jets 16, and apertures associated with pipes 17, 18 direct air on to the upper fixed grinding disc 2 and the lower disc and periphery respectively; jet 19 purges the hopper; jets 15 clean the funnel walls. The cleaning system is stopped when container 6 is replaced. The mill is driven by a motor 38 and coupling 37.
Patent GB-664478-A (GB)
Title: Improvements in or relating to apparatus for receiving cosmic rays
IPC: A61N1/16
Filed: 1949-09-29
Abstract: 664,478. Utilizing cosmic radiation. KELLER, B. CHRISTEN-. Sept. 29, 1949 [July 19, 1949], No. 25022/49. Class 39 (iv). Apparatus for receiving cosmic radiation comprises a wooden cabinet containing a steel member 4 with a point at each end and connected to a body or bodies (e.g. aluminium blocks 9, 10) within the cabinet. A horizontal straight steel member may be used, Fig. 2 (not shown), and a pair of condenser plates may be connected to its ends, respectively. A non-metal body (e.g. quartz) may replace the condenser places or be inserted therebetween. The cabinet is filled with colophony.
Patent GB-481736-A (GB)
Title: Improvements in or relating to wrapping machines
IPC: B65B11/28
Filed: 1936-09-14
Abstract: 481,736. Wrapping-machines. ROSE, A. G., and ROSE BROS. (GAINSBOROUGH), Ltd. Sept. 14, 1936, No. 25029. [Class 94 (i)] In a wrapping-machine comprising articlereceiving pockets consisting of relatively movable gripper jaws closed to and opened from a position of minimum separation during the operations of the machine, the minimum separation is variable simultaneously and similarly in all pockets by a single control. The machine comprises a rotary pocket wheel 10 mounted for intermittent rotation on an axis 11. The pockets 12 are formed by pairs of jaws 13, 14 carried on arms 24, 25 pivoted at the inner ends to the pocket wheel and connected by toggle links 27, 28. The links are pivoted to blocks 29 slidable in radial guide slots 30 and forced outwards by springs 31 until a projection 34 contacts with the peripheral flange 33 on an adjusting plate 32. The flange is formed with cam surfaces 35, so that, by rotary movement of the adjusting plate relative to the pocket wheel, all the toggles, and consequently all the arms 24, 25 carrying the jaws, are simultaneously moved towards or away from each other an equal amount. A preliminary adjustment of each jaw is obtained by means of screw-threaded stems 26. An article 18 is lifted from a recess 15 in a feed wheel 16 by a plunger 17 into contact with a length of wrapper 19, and is elevated past guides 22 which turn down the sides of the wrapper into position between the jaws 13, 14. During the ascent, a transfer finger 21 engages the wrapper above the article, to prevent displacement. At the moment of entry between the jaws, a striker 40 elevates the sliding block slightly to open the jaws, and then disengages to allow them to approach and grip the article. This action is timed so that the jaws close slightly before the plunger 17 has reached its uppermost position, and a wiping action is thus obtained to tighten the wrapper. The wheel 10 rotates in an anticlockwise direction while wrapping is completed in any convenient manner, e.g. folding or twisting, and, at the ejection station 23, a striker 43, similar in action to the striker 40, opens the jaws. The effective lengths of the push rods 44, 45 operating the strikers are adjustable, so that the strikers may be retimed to compensate for any adjustment of the pockets, and the consequent change in the positions of the blocks 29.