baber/WOPTO huggingface dataset:
Patent GB-652641-A (GB)
Title: Process of preparing antibody-rich globulin fractions
IPC: C07K16/12
Filed: 1948-06-03
Abstract: A process of preparing antibody-active gamma globulin preparations from animal blood serum comprises the steps of diluting the serum with water, precipitating the antibody-active fraction from the resulting aqueous serum system by the subsequent addition of ethanol and adjusting the aqueous serum system to a pH of 7.4-8.2 before said addition of ethanol.  The ionic strength of the system is 0.01 to 0.04 and the ethanol concentration is 15 to 30 per cent by volume obtained by adding ethanol of 40 to 60 per cent by volume.  The ethanol is precooled, preferably from -10 to -25 DEG C., prior to addition to the serum system, previously cooled to within 10C. of its freezing point.  At least two to three volumes of water to each volume of serum is preferred in the initial dilution stage. According to one example, antidiphtheric horse serum is diluted with distilled water in the ratio of 1 volume of serum to three volumes of water, adjusted to a pH of 7.6 to 7.7 cooled to -0.5 DEG C \sB 1 DEG C and 50 per cent ethanol which has been precooled to a temperature of -10 to -25 DEG C, is added until the final alcohol concentration is 25 per cent by volume.  The ionic strength is then 0.022 \sB 0.003, and the final temperature is -7 DEG C.  The precipitate formed, which contains substantially all the immune globuline present in the original serum, is removed by filtration or centrifugation and may be stored as a powder or dissolved in solvents, such as 0.15M aqueous sodium chloride or 0.3M glycine.  If desired, a further purification of the powder may be obtained by dissolving in water, adjusting the pH to 5.4, removing the precipitate and adding 50 per cent alcohol to the supernatant (adjusted to a pH 7.4) to a alcohol concentration of 20 per cent, the temperature being kept low as in the initial precipitation steps.  Further examples relate to the treatment of polyvalent horse serum, polyvalent hyperimmune bovine serum and dog serum and similar conditions apply except that an ethanol concentration of 20 per cent by volume is used in the case of the polyvalent bovine blood serum.  The process is applicable to any antibody containing serum from any animal source.
Patent GB-143413-A (GB)
Title: Improvements in regulating systems for dynamo electric machines
IPC: H02J7/24
Filed: 1919-06-16
Abstract: 143,413. Rickets, W. J. June 16, 1919. Thermionic relays. - Relates to regulating-apparatus depending upon the use of thermionic valves, and consists of improvements in the apparatus described in Specification 143,378. According to the present invention, the cathode filament c of the thermionic valve v is connected in a heating-circuit which forms a closed loop having one point connected to the negative pole n of the generator f. The heating-circuit may be fed from a pair of brushes resting on slip-rings h which are connected to a separate winding on the armature of the main generator f. The shunt field winding s of the generator f is provided with a counter-winding d connected to the valve anode a. In operation, if the speed of the generator gets too great, the alternating voltage applied to the cathode filament through the slip-rings heats it up and thereby augments the ionic conductivity of the valve. The resulting increased current through the counter-winding weakens the generator field, and thus corrects the voltage.
Patent GB-1025618-A (GB)
Title: Method and mechanism for aligning glued carton blanks
IPC: B31B50/36
Filed: 1963-04-17
Abstract: 1,025,618. Delivering paper. SUNDS VERKSTADER A.B. April 17, 1963 [April 25, 1962], No. 15085/63. Heading B6H. [Also in Division B5] Blanks for cartons having opposed edges glued together are stacked from the top in a pile where they are continuously jogged by a toothed or fluted roller 4 (Fig. 4, not shown) whilst entering the stack and are continuously jogged whilst in the stack by oscillating plates 5 to align the edges and are discharged singly on a conveyer. A detent 11 (Fig. 1b not shown) prevents discharge until the pile is a predetermined height, activated by the armature 14 of an electromagnet 15 which is energized by a detent 12 falling under gravity when the pile is too small. The detent is raised at the prescribed height, de-energizing the electromagnet and permitting discharge of the blanks. In an alternative embodiment the blanks are fed upwardly of.the stack and when it has reached a pre-determined height the end abutment is lowered beneath the conveyer and the stack is discharged as described in Specification 1,007,044.
Patent GB-1398060-A (GB)
Title: Phase-lock loop
IPC: H03D3/02
Filed: 1973-03-29
Abstract: 1398060 AFC demodulators EDMAC ASSOCIATES Inc 29 March 1973 [11 April 1972] 15174/73 Heading H3A A phase-lock loop FM detector comprises a voltage controlled oscillator 22-48 including a tank circuit 22, 24. A phase comparator 12 controlled by the oscillator, a first amplifier 18, a first control path to the oscillator including a varactor 80 and a second control path to the oscillator including a second amplifier 84, a low pass filter 86 and a further varactor 90 whereby the oscillator output includes the centre frequency as well as the modulation components present in the input signal. The demodulated output delivered by amplifier 18 is applied to varactor 80 for modulating the oscillator about the centre frequency. The demodulated output is further amplified at 84 for enhacing the D.C. component representative of the centre frequency which alone is filtered out at 86 for controlling the oscillator via varactor 90. A voltage VB is provided to compensate for temperature variation in the barrier potential of the varactors.
Patent GB-712304-A (GB)
Title: Front cover for a vehicle headlamp, and headlamp fitted therewith
IPC: F21V17/00
Filed: 1952-06-17
Abstract: 712,304. Vehicle-lamp fronts. WESTFALISCHE METALL-INDUSTRIE GES. June 17, 1952 [Aug. 20, 1951; Sept. 3, 1951], No. 15233/52. Classes 75 (2) and 75 (4) A vehicle headlamp front cover 1 has a silver or aluminium reflecting surface 3 coated on its inner marginal zone 2 by vaporisation and condensation so as to impart a metallic appearance thereto when viewed from the outside thereby rendering unnecessary the use of a decorative bezel ring. The zone 2 may have circumferential flutes 4. Figs. 3 and 4 show cover 1 secured direct to a carrier ring 8 for a reflector 9 of a built-in or "flush fitting" headlamp. The cover 1 has notches spaced around its periphery to receive in bearing contact securing elements 6 which are screwed to the carrier ring 8, a rubber washer 5 having a lip 11 to surround the edge of the cover being inserted between the cover and the carrier ring 8. The assembly comprising the reflector 9, carrier 8 and cover 1 may be secured to a vehicle body 10 by engagement of a lip 15 on the carrier with a lip on the body 10 and by a screw 13. The securing elements 6 may having wedging or lapping contact with the edges of the cover notches, the latter having bevelled or stepped edges respectively.
Patent GB-593343-A (GB)
Title: Improvements relating to apparatus for testing liquids
IPC: H03K3/10
Filed: 1945-06-15
Abstract: 593,343. Determining physical qualties and dimensions of materials. FULLERS EARTH UNION, Ltd., and PRESTON, L. N. June 15, 1945, No. 15276. [Class 37] Relates to a calome electrode for testing the acidity of liquids ir which a tube 1 carrying the electrode and it; platinum lead is sus pended in a tube 2 having a ground conical surface 6 downwardly converging to receive a thimble 4, and consists in providing an envelope 7 enclosing the ground joint 6 from contact with the liquid under test, the envelope having a per meable part 10, prefer ably of sintered glass, tc provide a conductive path between the liquic under test and the potassium chloride solution filling the envelope 7 and the tubes 2, 4. The envelope 7 preferably has a side branch 12 connected to a reservoir 14 of potassium chloride. The part of the envelope containing the sintered glass 10 may be connected to the remainder by a rubber tube 11. The invention prevents the conducting path through the ground joint being fouled by deposition from the liquid under test.
Patent GB-1112891-A (GB)
Title: A method and an apparatus for cooling a web of film or a tow of filaments comprising a thermoplastic material and a plasticizer therefor
IPC: B29C48/08
Filed: 1965-04-12
Abstract: 1,112,891. Heat-setting filaments and films. NEDERLANDSE EXTRUSIE MAATSCHAPPIJ N.V. 12 April, 1965 [24 April, 1964 (2)], No. 15357/65. Heading B5B. An apparatus for cooling a travelling web of film or a tow of artificial filaments consisting of a thermoplastic material and a plasticizer therefor comprises a conveyer belt 1 (Fig. 1) sloping upwards in the direction of travel of the web or tow and supported in a driven roller 2 and an idler roller 3. The web or tow, the temperature of which may previously have been passed through a heat treating duct, is pressed on to the upper run of the belt by the roller 4 and the web or tow is conveyed on the sloping operative upper run of the belt 1 through the tunnel 6 to which cooling air is supplied by a fan 7. Owing to the friction between the web or tow and the belt the latter is conveyed through the tunnel by the belt but the frictional force is opposed by the forces which cause the web or tow to contract as it is cooled by its passage through the tunnel. In addition to these contracting forces, which cause the web or tow to lag behind the travel of the belt through the tunnel, the component of the force of gravity which is parallel to the sloping upper run of the belt and acts in a direction opposite to the direction of travel of the upper run of the belt also opposes the frictional force between the web or tow and the belt and in consequence the strains retained in the web or tow after it has been cooled are reduced. The angle of upward inclination of the belt (in the direction of travel of the web or tow) may decrease gradually or stepwise in the direction of travel. In a modification illustrated in Fig. 2, the web or tow, immediately after leaving the belt 1 passes through the nip of a pair of rollers 9 and 10, the roller 9 being driven by the belt roller 3 in such a manner that its peripheral speed is slightly below the speed of the belt 1. The degree of longitudinal shrinkage of the web or tow is thereby positively controlled.
Patent GB-228776-A (GB)
Title: Improvements in burners consuming liquid, gaseous, or solid fuel
IPC: F23C99/00
Filed: 1924-06-26
Abstract: 228,776. Greenawalt, J. E. June 26, 1924. Atmospheric gas, spray, and pulverulent-fuel burners. - A liquid, gaseous, or solid fuel burner suitable for use in apparatus for roasting and sintering ores comprises a fuel and air mixing chamber 16, a cylindrical housing 15 surrounding the mixing chamber, oil distributing, dividing, and air distributing discs 22, 24, 23 fitting on a boss 21 on the housing 15, and a cap 25 which is secured to the chamber 16 by a stud 26 so as to clamp the aforesaid parts together. The fuel enters the chamber 16 through a pressure spraying nozzle 36 on a pipe 35 arranged in a top cap 32 bolted to a flange 17 on the chamber 16. Air is supplied through an inlet 0 in the cap 32 at a lower pressure than that of the fuel. Part of the air passes through perforated discs 38 in the chamber 16 to mix with the fuel sprayed from the nozzle 36, and the remainder passes through apertures 37 in the chamber 16 to the annular space, S between the chamber and the housing. The fuel-air mixture leaves the chamber 16 through a series of tubes 45 leading to radial discharge slots 43 in the disc 22. The air leaves the space S through an opening 27 in the bottom wall of the housing and passes through a central chamber 50 and radial channels 51 in the cap 25 to radial discharge slots 44 in the disc 23 registering with the slots 43. The disc 24 is formed with a series of radial slots 49<1> registering with the slots 43, 44 but comparatively short in length so that the fuel-air mixture and air issuing from the slots 43, 44 meet only just before discharge. When a solid fuel such as powdered coal is to be burnt, the atomizer 36 is dispensed with and the fuel is blown through the pipe 35 by an air blast.
Patent GB-261298-A (GB)
Title: Improvements in "half-blow" pedal actions for the pianoforte
IPC: G10C3/26
Filed: 1926-06-18
Abstract: 261,298. Hodgson, J. J. June 18, 1926. Pianoforte actions; keys and keyboards. - On operation of the hammer rest-rail p by the pedal j to produce half-blow, the lost motion between the jack m and the hammer-butt n is taken up, and the depth of touch is simultaneously reduced, by the raising of the back ends of the keys by a hinged rail a lifted by dowels d<2> on rockers e<2> operated by the pedal. Specification 20585/02 is referred to.
Patent GB-570007-A (GB)
Title: Improvements in the production of water gas
IPC: C10J3/00
Filed: 1943-09-20
Abstract: 570,007. Gas-producers. DUFFIELD, F. L. Sept. 20, 1943, No. 15412. [Class 55 (i)] In a process for the production of water gas having a high hydrogen content and a low carbon monoxide content, the heat required by the endothermic reaction is supplied by steam having a constant superheat during the gasmaking run. The Figure shows one embodiment of the invention in which the air passes from the main a to a flue b, through a regenerator d, through portholes f, to the coke mass in sufficient quantity to produce CO only which is burned in a space h by the admission of cold air through a valve j and the heat of combustion raises the temperature of a superheater k. During the gas-making run, dry, low-pressure steam from a main m is passed into a flue l through the superheater k to the space h where the temperature is maintained constant by controlling the admission of low-pressure steam from the main m through the pipe o and valve p. The steam, at a temperature of 1160‹ C., after passing through the portholes g, reacts with the coke and the products of the reaction leave the retort through the portholes f. Most of the sensible heat in the gas is given up to the regenerator d, the cool gas passing through the flue b to the main a. A small proportion of steam is passed vertically through the retort from a chamber n to cool the grate and ash. The gas in the main a is mainly hydrogen and CO2 from which the latter may be removed. The length of air blow and gas-making runs are stated to be the same.
Patent GB-1428024-A (GB)
Title: Precision balances
IPC: G01G21/02
Filed: 1973-03-30
Abstract: 1428024 Displacement encoder: weighing balance ETABS LEONARD SA 30 March 1973 [31 March 1972] 15475/73 Headings G1A and G1W Weighing apparatus comprises a moveable member 3, Fig. 1, supporting a pan 2, the member 3 being supported in a parallelogram system comprising knife edge bearings 7, 9, 8, 10, the movement of the member 3 being compensated by a spring A, and this member also carrying a displacement encoding scale 6 which moves in front of photo-detectors 5 to provide counting pulses, and further comprises a resilient member 13 Fig. 2 attached directly at one end to the member 3 and via spring 16 to a fixed frame 1 of the apparatus and acting to press scale 6 against a fixed plate 15 to thereby maintain the distance between the scale 6 and head 5 constant. No motion amplifying devices are included between member 3 and scale 6.
Patent GB-664714-A (GB)
Title: Improvements relating to joists or beams
IPC: E04C3/292
Filed: 1949-06-10
Abstract: 664,714. Girders. CROWTHER (ROYTON), Ltd., S., and TAYLOR, R. June 8, 1950 [June 10, 1949], No. 15476/49. Classes 20(ii) and 20(iv) A beam comprises two channel members c containing wooden members a and having projecting parts d joined by sheet metal channel members f. The ends of the members f overlap and engage the channel members in order to relieve the load from the rivets g. The ends of the channel members c fit in a block having T-shaped openings h.
Patent GB-172670-A (GB)
Title: Improvements in or relating to parachutes
IPC: B64D17/52
Filed: 1920-06-08
Abstract: 172,670. Democratis, S. J., and Democratis, B. J., (Democratis, J.). June 8, 1920. Parachutes.-A parachute is arranged so that when it has been released from its container and retains no connection with the aircraft, the unpacking takes place from the upper or convex part of the parachute. The fabric z of the parachute may be provided with a central wheellike structure y, made of wire and metallic strip, and with small holes p, and may be marked in circles, and is preferably folded circumferentially as indicated in Fig. 2, and then radially as shown in Fig. 11, but this preliminary folding may be omitted. The tapes or rigging v, fixed to the periphery, are folded in a zigzag manner, the ends being placed in the structure y, and the parachute material is then rolled from the periphery towards the centre, preferably upon rubber rollers e, Fig. 2, until the rolled-up material is close to the structure y. The end of each tape is hooked to a separate hole in a circular plate f attached by a rope n to the aviator, and the rolled-up parachute is turned upside down and placed in a container as shown in Fig. 17. The container has spring lids Y, Z which are kept closed by the engagement of a disc g, attached to the rope n, with two pins K on each lid arranged at a slight angle to one another. In use the container is inverted, and the aviator's weight on the cord n opens the container and pulls out the parachute in its packed condition, the tension on the tapes then tending to unroll the parachute and the friction between the folds tending to retard the speed of unfolding and so to compress the air in the concave part of the parachute. A clear fall of a predetermined distance before the parachute begins to open is ensured in the modification shown in Fig. 26, in which the disc f, to which the parachute tapes are attached, has a notched or serrated pin s which passes through a small hole in the structure and engages eyes in flaps r having springs q and attached to the fabric z. The parachute will then begin to open when the velocity of fall causes the air pressure to push the flaps out of engagement with the pin s.
Patent GB-496405-A (GB)
Title: Improvements in the manufacture of glass tubing
IPC: C03B17/04
Filed: 1937-06-04
Abstract: 496,405. Drawing glass tubes. GENERAL ELECTRIC CO., Ltd. (Patent- Treuhand-Ges. fur Elektrische Gl³hlampen) June 4, 1937, No. 15540. [Class 56] Relates to the method of making tubing of glass or like material in which a tube 3 is drawn continuously, in an approximately horizontal direction, from the end of a rotating hollow mandrel 1 through which air is blown, the tube being supported by rollers 5. According to the invention, the tube is allowed to sag between at least one pair of supports 5 so as to have a part 8 lower than the adjacent parts, and one or more balls 7 are introduced into the tube. The balls remain at the bottom of the part 8 and reduce the flow of air to parts of the tube remote from the mandrel.
Patent GB-164343-A (GB)
Title: Apparatus for correcting the course on board of aircraft
IPC: G01P13/02
Filed: 1921-06-06
Abstract: 164,343. Le Prieur, Y. P. G. June 5. 1920, [Convention date]. Courses, indicating and determining.-Consists of a course-correcting instrument for use on aircraft for determining the compass course to be steered in order that a given course may be fol. lowed in relation to the ground. The wind speed is determined from observations of the drift angles on two different compass courses. and the required compass course is then obtained by combining the wind speed and the ascertained speed on the desired ground course. The instrument is shown in Fig. 3 and comprises a board 1 on which is a toothed disc 2 marked with compass graduations and revoluble around the axis 3 by a worm 9. A fixed pointer 8 on the centre line of the aeroplane co-operates with the graduations on the disc. The disc carries a plane table 4 to which is attached a chart 5 marked with a series of parallel lines which are arranged parallel to a reference line 7 on the table 4. The drift-determining device 16 is pivoted to the board on the axis 15 which is in the plane containing the axis 3 and the pointer 8. This device consists of a collimator 24, Fig. 5, mounted on the upper horizontal surface of a spinning top 22 apd illuminated by a lamp 27 at the focus of a. lens 28. The light from the collimator is reflected by a penta-prism 30 so that the observer sees an image of the slit 26 in a truly vertical plane 17, Fig. 3. The device 16 is turned until an observed object on the ground appears to move in the plane 17 ; it carries a ruling arm 18 the edge 19 of which is parallel to the plane 17 and passes through the pivot 15. The table 4 is so disposed on the disc 2 that the line 7 is opposite to the graduation corresponding to the desired ground course, and it is maintained in its initial direction in space, e.g. by connection to a compass. Observations of the drift angles are made on two compass courses OA, O<1>A, and the lines YB, Y'B are drawn along the edge of the ruler in the two positions. AB then represents the wind speed. The worm 9 is then operated until the ruler passes through the point B and is parallel to the lines on the chart. O<11>A then represents the desired compass course which is indicated by the pointer 8. The course may be indicated to the pilot by a. repeater 11 operated by the worm 9. The ruler 18 may be graduated to show the ground speed, the air speed O<11>A being taken as unity. The distance travelled may be set off on a map by the compasses shown in Fig. 6, having an extensible graduated leg 39 and a graduated are 41. The lug 39 is extended until the air speed is shown by the pointer 40 and the pointer 42 is set to the graduation on the arc 41 corresponding to the reading on the ruler 18.
Patent GB-201700-A (GB)
Title: Improvements in domestic fire-grates
IPC: F24B1/182
Filed: 1922-06-06
Abstract: 201,700. Summers, L. G. June 6, 1922. Combined open fireplaces and cooking-stoves; kitchen-ranges; grates.-In domestic fireplaces, of the kind in which an open stove and a kitchen range, disposed back to back in a wall H, separating two adjoining rooms, are served by a single grate A carried on a. rotatable annular framing B which surrounds a cylindrical boiler F having a central vertical flue G, a radial passage G<1> leads direct from the kitchen fireplace to the bottom of the flue G. The flue G is provided with a damper G<2> near its upper end which delivers into the dampered flue H<1> leading from the kitchen fireplace. The dividing wall H is arranged to provide separate shafts J, J<1> for the respective fireplaces, and separate flues, having dampers N<1>, K<2>, are provided leading from the flue under the hot plate L and the flue surrounding the oven K respectively.
Patent GB-1431654-A (GB)
Title: Process for the preparation of trisubstituted ureas
IPC: C07D295/12
Filed: 1972-04-05
Abstract: 1431654 Process for preparing trisubstituted ureas QUIMCO GmbH 2 July 1973 [5 April 1972 18 April 1972 5 May 1972] 15677/72 17872/72 and 21063/72 Heading C2C Trisubstituted ureas of general formula wherein R is a substituted or unsubstituted mono-, di- or poly-valent aromatic radical, R<SP>1</SP> is a substituted or unsubstituted monovalent aromatic or aliphatic radical and R<SP>11</SP> is a substituted or unsubstituted monovalent aliphatic radical or R<SP>1</SP> and R<SP>2</SP> together represent a substituted or unsubstituted divalent radical such that at least one of the two carbon atoms adjacent to the nitrogen is aliphatic, and n is an integer, are prepared by reacting an aromatic nitro or nitroso compound with (i) a secondary ammonium N,N-disubstituted thiolcarbamate (ii) a mixture of a secondary amine with (a) CO and sulphur, (b) CO and H 2 S or (c) carbonyl sulphide or (iii) a mixture of a secondary ammonium sulphide or hydrosulphide and carbon monoxide. Examples of group R are phenyl, tolyl, chlorophenyl, morpholinophenyl, 1-naphthyl, quinolyl, biphenyl, diphenylmethyl and diphenylethyl.