baber/WOPTO huggingface dataset:
Patent GB-335049-A (GB)
Title: Improvements in or relating to the production or treatment of artificial threads or other textile yarns, for example rayon or the like, by the centrifugal spinning process
IPC: D01D7/02
Filed: 1929-09-11
Abstract: 335,049. Rushton, J. L., Hill, H., and Pellatt, D. L. Sept. 11, 1929. Centrifugal machines for treating substances with liquids. - A centrifugal spinning pot for use in the production or treatment of artificial threads or other textile yarns is provided with a removable perforated liner which has an integral perforated bottom, and means are provided for supporting the bottom of the liner above the bottom of the pot to permit the washing or other fluids to pass from the bottom of the cake of thread into the space thus provided. The bottom of the liner may be provided with projections which rest on the bottom of the pot, and a central aperture, the margin of the liner round the aperture being bent downwardly to form the desired projection. The lid of the spinning pot may be perforated and it may have a perforated lower wall and a solid upper wall spaced apart to provide a chamber into which treating liquids can pass upwardly from the interior of the liner. The liquids may be sprayed on to the cake by the aid of compressed air and the spraying device may be traversed axially of the cake. As shown in the drawings, a spinning pot 10 is provided with a liner 2 spaced from the inner wall of the pot by ribs 13, and having a flange 15 resting on a seating 16 in the wall of the spinning pot. The perforated bottom 17 of the liner has a central aperture 19 and the margin round the aperture is bent down at 20. The spraying device 24 may be traversed vertically within the spinning pot, and it comprises two concentric tubes 25, 26 containing liquid and compressed air respectively. An alternative form of liner is shown in Fig. 3 ; projections 14 are provided on the side of the liner for positioning it within the pot, and projections. 18 on the bottom for supporting it above the bottom of the pot. Alternatively, projections may be provided on the inner surface of the pot. The cake may be desulphurized, bleached, dyed, washed, and dried while the spinning pot with liner and cake is still on the spindles of the spinning machine, or after removing to a separate machine. To facilitate the action of the treating liquids the cake may be cross-wound on the spinning machine and laid in a spiral of varying angle of pitch. Specifications 263,239, [Class 120 (ii), Spinning, twisting, &c.], 301,539 and 332,288 are referred to.
Patent GB-613524-A (GB)
Title: Improvements in or relating to penicillin-containing therapeutic compositions and the preparation and use thereof
IPC: A61K31/43
Filed: 1945-10-22
Abstract: A penicillin-containing therapeutic composition is prepared by coating particles of a stable penicillin derivative with an entric coating material and then dispersing the coated particles in a water-insoluble assimiable oil or fat.  Suitable entric coating materials are arsenic and rosin-free shellac or an alkyd resin. Specified penicillin derivatives are the sodium, potassium, lithium, calcium, ammonium, aluminium or amine salts or ethyl or glyceryl esters of penicillin acids.  As water-insoluble assimiable oils of fats there may be employed cottonseed oil, cottonmeal oil, corn oil, peanut oil, olive oil, soyabean oil, shark liver oil, sperm oil, cendes and monoglycendes.  Other additions include excipients, flavouring agents, binders, preservatives, and thickeners such as ethyl cellulose and gum acacia, emulsifying agents such as glyceryl monostearate and colouring matter.  The preparation is primarily intended for stable storage in gelatine capsules.  The preparation is made by dissolving the entric material in a solvent, mixing the solution with the powdered penicillin derivative, drying under vacuum at low temperature, grinding and mixing the ground material with the oil or fat.  The Specification as open to inspection under Sect. 91 describes also preparations containing the penicillin derivative and water-insoluble assimiable oil and fat only and the dispersion of such preparations in aqueous gelatine or methyl cellulose.  This subject-matter does not appear in the Specification as accepted.
Patent GB-188501-A (GB)
Title: Improvements relating to golf bags
IPC: A63B55/00
Filed: 1921-10-19
Abstract: 188,501. Hillman, A. L., and Hillman, Ltd., J. & A. Oct. 19, 1921. Bags for golf clubs.- Golf bags are provided with leather or other perforated caps formed with a pair of apertures of different sizes and adapted to be inserted into or over the open ends of the bags. The cap a, of metal, rubber or other suitable material is provided with two apertures d of different sizes for the reception of different kinds of clubs.
Patent GB-616893-A (GB)
Title: Improvements in or relating to cylinders of single acting two stroke internal combustion engines
IPC: F02B75/02
Filed: 1946-09-17
Abstract: 616,893. Pistons. WERKSPOOR N. V. Sept. 17, 1946, No. 27876. Convention date, May 26, 1943. [Class 122 (i)] [Also in Group XXVII] In a single-acting, two - stroke, internalcombustion engine cylinder, scavenging ports 12 are formed in a part 25 of the liner which is detachable so that it can be lowered enabling the piston to be inspected or removed, with or without the part 25, through openings in the wall of the scavenging air chamber 3 normally closed by covers 27. The scavenging pump 30 is either located below the chamber 3 and supplies air through a hole 32 in the partition 20 forming the chamber, or supplies air through conduits below the chamber.
Patent GB-834710-A (GB)
Title: Improvements relating to fuel-injection pumps for compression-ignition internal combustion engines
Inventor: MORRIS JOHN NEVILLE
IPC: F02M69/50
Filed: 1957-09-04
Abstract: 834,710. Pistons. S.U. CARBURETTOR CO. Ltd. Aug. 18, 1958 [Sept. 4, 1957], No. 27882/57. Class 122 (1). [Also in Group XXVIII] A fuel injection pump (see Group XXVIII) comprises a smaller diameter piston 8 and a large diameter piston 9 urged into contact by spring 13. The piston 8 normally contacts the piston 9 on an abutment 14, of smaller area than the piston 8, from which extends a passage 21. In operation the pistons move downwards and piston 9 uncovers the inlet groove 15 at the same time as passage 17 on the piston 8 moves clear of the cylinder 6, fuel then flows into the chamber 19 and through passages 17, 16 to the pumping chamber 18. On the upward stroke of the pistons fuel is discharged through an outlet valve 22 by the piston 8 and the pressure in the chamber 19 rises until it acts on the lower end of piston 8 to separate the pistons, this causes the piston 8 to open the passage 21 and fuel in the chamber 19 is bypassed to the inlet. Such an arrangement ensures that the pressure in chamber 19 varies with that in the pumping chamber 18 while remaining slightly above this latter pressure and thus prevents leakage of fuel from the chamber 18 past the piston 8.
Patent GB-1069777-A (GB)
Title: Antibiotic rhi 12-648 and derivatives thereof
Inventor: GAISER PETER
IPC: C12P1/02
Filed: 1964-07-08
Abstract: <FORM:1069777/C2/1> An antibiotic Rhi 12-648, active against yeasts, fungi and tumours and also having sedative and cramp-inhibiting action, has a m.pt. of 197-199 DEG  C.; [a ]22D = +20.7 DEG  (C = 1.57 in CHCl3); U.V. maximum at 265 mn  log e  = 4.17; I.R. spectrum as in Fig. 2; elementary analysis C = 59.1, H = 4.6, O = 25.1 and Cl = 10.0%, probable formula C18H17 O6Cl, molecular weight 368; violet colour with addition of FeCl3 to methanol solution; yellowish red with NaOH and brownish violet with conc. H2SO4; soluble in ethyl acetate, benzene, butyl acetate, chloroform and butanol; forms a dimethyl ether by treatment with ethereal diazomethane; forms a diacetate by treating the antibiotic with acetic anhydride and anhydrous sodium acetate.  Antibiotic Rhi 12-648 is produced by the cultivation of Rhizoctonia repens N Bernard NRRL 3183, NRRL 3184 and NRRL 3185, or an Rhi 12-648 producing mutant thereof, in a nutrient medium.  The antibiotic is recovered from the clarified broth by (a) extraction with a solvent, e.g. ethyl acetate, (b) chromatography of the crude from (a) on activated alumina, silica gel or magnesium silicate, (c) counter current distribution of crude from (a).  A pharmaceutical composition comprises antibiotic Rhi 12-648, its di-O-acyl or its di-O-alkyl derivatives and a carrier.
Patent GB-272841-A (GB)
Title: Improvements in fluid filters
IPC: B01D29/44
Filed: 1926-11-09
Abstract: 272,841. Svenska Ackumulator Aktiebolaget Jungner. June 19, 1926, [Convention date]. Strainers. - A body 2 with circumferential grooves 6 and vertical grooves 7 is supported in a casing 1 by a screw plug 4 and surrounded by a sleeve 5 with slots 9. Liquid supplied to the casing is strained by passage through the narrow space 10 between the sleeve and the body 2, and is delivered by the grooves 7 and bores 8 in the plug to an outlet. The body and sleeve may be relatively adjustable to vary the size of the space 10 and they may be tapered. The grooves 6 may be spiral. The Specification as open to inspection under Sect. 91 (3) (a) refers also to apparatus in which two or more hollow cylinders, each having openings in positions which do not coincide with similar openings in the adjacent cylinders, encompass the body 2. This subject-matter does not appear in the Specification as accepted.
Patent GB-1130710-A (GB)
Title: Coil anchor strip and method of using
IPC: H01F41/04
Filed: 1967-06-19
Abstract: 1,130,710. Transformers and inductors. E. C. RECHEL. 19 June, 1967, No. 28240/67. Heading H1T. To obtain inner ends or tappings from transformer or inductor coils the winding wire 11, 1 la is trapped at appropriate points by hooking it in L-shaped slots in an insulating anchor strip (part of which is shown dot-dash at 17<SP>1</SP>) which may be stuck to the coil former 10 by an adhesive thereon. The entrance portions of the slots in the anchor strip have inclined sides and the inner ends of the slots are rounded (Fig. 2, not shown). The turns succeeding the point at which the winding wire enters the slot are wound on top of the anchor strip and the ends of the coils begin at these points (Fig. 3, not shown). The turns preceding these points, e.g. 13, 14, 15, can be unwound from the former to form the inner leads of the coils. Paper interlayer insulation is used. To provide a tapping connection to a coil anchor strips (17a), (17b) (Fig. 3, not shown) are provided to hold temporarily extra turns which lie outside the coil end and which can be removed from the former without having to pry turns from between adjacent layers of turns.
Patent GB-601550-A (GB)
Title: Improvements in and relating to bucket mop squeezers
IPC: A47L13/58
Filed: 1945-10-26
Abstract: 601,550. Mop squeezers. BARKER, G. R. Oct. 26, 1945, No. 28317. [Class 19] [Also in Group XVII] A mop squeezer 5 in the form of a perforated bowl or cone adapted to be mounted on the inside of a bucket, has a projection 9 mounted on its side below the top and between it and the bucket to engage the side of the bucket and so cause the top of the squeezer to remain horizontal when the mop is squeezed therein. The squeezer may be detachably fixed to the bucket by hooks 6 or may be permanently fixed thereto. Reference has been directed by the Comptroller to Specifications 12541/11, 843/12. 12841/14, [all in Class 19], and U.S.A. Specifications 1,882,918, 1,886,184 and 1,918,986.
Patent GB-711787-A (GB)
Title: Improvements in or relating to yarn supplying mechanism for knitting machines
Inventor: SHORTLAND ARTHUR
IPC: D04B9/10
Filed: 1950-11-20
Abstract: 711,787. Knitting - machines. MELLOR, BROMLEY & CO., Ltd. Nov. 20, 1951 [Nov. 20, 1950], No. 28326/50. Class 74(2) A device for introducing into and withdrawing a yarn from operation in a cylinder-and-dial machine comprises a pivoted gripper G adapted to position the yarn adjacent the needles where it is engaged by a hooked member 26 slidable in the dial needle bed to draw the yarn into the path of the needles. To withdraw the yarn from operation the gripper is swung upwardly. to re-engage the yarn and to sever it. A number of yarns are fed through stationery guides 4 in a bracket 2 on the dial cam box and a gripper is provided for each yarn. When it. is desired to substitute one yarn for another, as during splicing, a control shaft 29 is rotated by mechanism controlled from a pattern chain. The control shaft 29 carries a cylinder cam 39 having grooves 38, 46 effecting movement of linkage and lever 31, 34, 36 and 43 respectively. The control shaft also carries a cam 28 adapted to rack round a series of notched selector discs 23 controlling the movement of the grippers. The initial movement of the shaft 29 causes the lever 43 to move forward and project a hooked rod 16 slidable in a tube 13, and constituting the gripper, by its end 47 engaging the end of the rod of the gripper the associated yarn of which is being fed' to the needles. Further movement of the shaft 29 causes a rod 32 secured to the arm 31 of the linkage to raise the gripper so as to cause the projections 22 of their pivoted supporting lugs 20 to move clear of the notched discs 23, which are then rotated by the cam 28. The linkage is then operated to allow the grippers to fall and the projections 22 to engage their discs, the withdrawn yarn being engaged by the hook of its gripper which hook is then retracted into the tube 13 by a pin 18 secured to the hooked rod 16 being engaged by a second rod 32<1> on the arm 31 of the linkage. The discs are suitably notched to permit a fresh yarn now to be introduced to the needles, the projection 22 of the appropriate gripper engaging a notch in the disc so that the gripper moves downwardly until its end is below the dial needles. The remaining grippers are held in a raised inoperative position by their projections resting on the periphery of their discs. At this stage the hooked member 26 is projected and retracted so as to draw the yarn into the path of the needles, a member 9 being provided on the bracket 2 to assist the taking of the yarn by the .needles. Simultaneously the hooked rod 16 is projected by an extension 48 engaging a pin 50 on the rod thereby releasing the yarn. When securing a withdrawn yarn, the gripper severs the yarn. Mechanism is provided for rendering the drive to the shaft 29 inoperative. The invention may be applied to a superposed cylinder machine.
Patent GB-1222537-A (GB)
Title: Improvements in or relating to circuit arrangements including a bulk effect device
Inventor: COPELAND JOHN ALEXANDER III
IPC: H03C1/08
Filed: 1968-06-14
Abstract: 1,222,537. Bulk effect circuits; amplitude modulation; detectors. WESTERN ELECTRIC CO. Inc. 14 June, 1968 [20 June, 1967], No. 28347/68. Headings H3Q, H3R and H3T. In a circuit including a Bulk effect semi-conductor device 16 (Fig. 1) and a resonant circuit 19, 20 producing within the device a first electric field that alternates between positive and negative resistance regions of the characteristic of the device so operating the device in the LSA mode, input signal source 11 establishes within the device a second electric field whose frequency fa#f LSA /Q, where f LSA  is the frequency of the first electric field and Q is the Q of the resonant circuit 19, 20. The oscillator 12 is biased so that the voltage across the device 16 is beyond its threshold value (E th  Fig. 2, not shown), and the tank circuit 19, 20 produces the oscillations (E1) in the negative and positive resistance regions similar to Specification 1,190,984 so that when the first field is in the negative resistance region net gain results over a complete cycle of alternation but is insufficient to form a domain and when the electric field is in the positive resistance region it is sufficient to dissipate any space charge accumulation. By supplying a carrier wave signal 11 of f LSA Œf a  the circuit operates as a mixer, oscillator and amplifier giving the difference frequency f a  at output 14. A r.f. choke 21 may be included to act as a L.P.F. to pass only the amplified frequency f a - In a modified arrangement (Fig. 3) the Bulk effect device 26 is mounted in a waveguide 27 part of which constitute the resonant circuit. The oscillator circuit includes an attenuator 36, frequency meter 37, calibrated detector 38, and oscilloscope. The input signal f a  may be a modulating signal, in which case the output from the circuit is amplitude modulated. The modulating signal may be fed from (411, Fig. 4, not shown) via a transformer 14 (414) and the load may be 18 (418). The circuit provides single side band output which may be fed to the load (518, Fig. 5, not shown), via a filter (522) which filters out all frequencies except the sum frequency f a +f LSA .
Patent GB-914133-A (GB)
Title: Improvements in or relating to electric spring loaded push button switches
Inventor: SMITH ROBERT
IPC: H01H13/68
Filed: 1960-08-16
Abstract: 914,133. Press-button retractive switches; switches held set and freed mechanically. PAINTON & CO. Ltd. Aug. 16, 1961 [Aug. 16, 1960], No. 28408/60. Class 38 (5). A spring-loaded push-button switch comprises two parts movable selectively relatively to the switch body by manual pressure either unitarily, to effect adjustment of the switch contacts only for as long as pressure is maintained, or one part independently of the other, to effect the said adjustment and latch in that position until the said other part is operated independently in a separate operation to release the said one part. As shown, pressure on inner part 26 causes unitary movement of both parts 26, 23, against their spring-loadings to cause spring contacts such as 4b, 6b to be engaged by the contact-bridging segments 13, 14. Independent movement of outer part 23 against a single spring-loading causes latch ends 11 of the spring contacts to interlock behind the flange 16 formed by segments 13, 14 and maintain their position until release is effected by pressure on inner part 26 causing an abutment 35 on a rod 31 to push a collar 34 to engage cam surfaces 10 of the spring contacts and unlatch ends 11. Part 26 is brightly coloured to indicate when the push-button is in its latched position. Alternatively, locking can be effected by a spring-loaded plunger entering a slot in the outer part when it is in its contact engaging position until release is effected by pressure on the inner part causing a cam-surface thereon to displace the plunger from its locking position (Figs. 6-8, not shown).
Patent GB-681720-A (GB)
Title: Improvements in or relating to the underground gasification of coal
IPC: E21B43/247
Filed: 1949-11-07
Abstract: 681,720. Underground gasification of coal. MASTERMAN, C. A., and WILKINS, E. T. Dec. 1, 1950 [Nov. 7, 1949], No. 28519/49. Class 55 (ii) An area for combustion in an underground system for gasifying coal is established or extended by ,forcibly pumping a fluid or causing a fluid to permeate through the coal, and/or between the coal seam and its roof or floor. Compressed air is supplied at a pressure of about 100 lbs. per sq. in. to a bore hole or one or both of a pair of adjacent bore holes. The bore holes are preferably lined and may be close to an existing underground system of gasification. In a modification water or other liquids is forced into one or a pair of bore holes and allowed to permeate through the coal. The liquid used may contain solvents such as pyridene or acids.
Patent GB-714560-A (GB)
Title: Improvements in or relating to method of making porous sintered articles
Inventor: GURNICK RAYMOND S
IPC: B22F3/11
Filed: 1952-11-13
Abstract: 714,560. Powder metallurgy. THOMPSON PRODUCTS, Inc. Nov. 13, 1952, No. 28619/52. Class 83 (4). A method of making porous sintered metal articles of predetermined dimensions and density consists in heating a preformed plastic mass containing metal particles and a heatfugitive binder to a sintering temperature to volatilize said binder and, controlling the rate of volatilization by adjusting the flow of a current of protective gas in the heating zone. Suitable binders are thermally depolymerizable polyolefins such as polystyrene. In an example, 100 parts by weight of iron powder, 7 parts by weight of polystyrene and 5 parts of wax were shaped by injection moulding and sintered at 2100‹ F. in hydrogen, which was passed through the furnace at 1.5-10 ft./min. to produce a compact of 90-60 per cent of the full density of a solid iron compact. Alternatively, the compact may travel through a furnace having a temperature of 300‹ F. at one end and 2100‹ F. at the other, the heating rate being 15‹ F./min. The hydrogen atmosphere may be replaced by cracked ammonia. The constituency of the gas passed over the compacts may be analyzed and the rate increased if the volume of depolymerization products is in excess of 75 per cent. A quantity of vaporized binder may be added to the gas stream.
Patent GB-964179-A (GB)
Title: Marine drive transmission
Inventor: FELL LOUIS FREDERICK RUDSTON
IPC: B63H23/00
Filed: 1961-08-08
Abstract: 964,179. Propeller driving arrangements. ROLLS-ROYCE Ltd. Aug. 1, 1962 [Aug. 8, 1961], No. 28670/61. Heading B7V. [Also in Division F1] In a marine power unit drive transmission including four engines, each adapted to drive a power input shaft, the four power input shafts being arranged in two pairs, each pair is drivingly connected to a respective secondary shaft by way of a respective primary differential gear, the two secondary shafts are drivingly connected to a common output shaft by way of a secondary differential gear, and the four engines are staggered to reduce the overall width of the transmission. In a drive transmission, particularly suitable for a whaler, shafts 9 and 10, Fig. 1, of variable speed engines 5 and 6 are connected to a primary spur gear differential gear 20, the shaft 9 being connected thereto by way of gears 17, 18, 19 and a shaft 16 coaxial with the shaft 10. The differential gear 20 has an output gear 22 which meshes with a gear 23 on a secondary shaft 24. Shafts 11 and 12 of variable speed engines 7 and 8 are connected to a primary spur gear differential gear 26 having an output gear 27 meshing with a gear 28 on a secondary shaft 29. The axes of the input shafts 9 to 12 are located in the same horizontal plane. Shafts 24 and 29 are connected to a secondary spur gear differential gear 31 having an output gear 32 meshing with a gear 33 freely rotatable on a shaft 34, which gear 33 meshes with a gear 35 freely rotatable on a shaft 36. The shafts 34 and 36 are geared to a shaft 46 connected to an output shaft 47 through reduction gearing 48 to 52. Preferably the output shaft lies in plane symmetrically placed between the two pairs of input shafts, and the axes of the shafts are parallel. The gears 33 and 35 are each associated with a dog clutch sleeve 37 or 38, Fig. 2, splined to the shaft 34 or 36. A member 42 pivoted at 43 engages one of the sleeves 37, 38 with an associated member on the gear 33 or 35 to provide forward or reverse drive to the output shaft 47. Each of the input shafts 9 to 12 has associated therewith a unit 13 containing a free wheel or a selfengaging dog clutch, so that one or more of the shafts 9 to 12 may be held against contrarotation whilst power is transmitted to the output shaft by the remaining input shafts. Additionally, the unit 13 contains a scooptype fluid coupling which allows each engine to be started whilst it is disconnected from its start. If one engine fails, the remaining engines can still transmit drive to the output shaft.