baber/WOPTO huggingface dataset:
Patent GB-1102445-A (GB)
Title: Improvements in or relating to electro-magnetic drive mechanism
Inventor: SPRING WILLARD BAHLAU
IPC: H02K7/116
Filed: 1964-04-11
Abstract: 1,102,445. Toothed gearing. UNITED SHOE MACHINERY CORPORATION. 8 April, 1965 [11 April, 1964], No. 15059/64. Heading F2Q. [Also in Division H2] A power transmission drive comprises a planar air gap discoidal armature motor which drives at the outer periphery of its armature disc the rotary input member of a " strain type " epicyclic gear. A flexible tube shaped member 18 is connected to the output shaft 17 which is supported in covers 10 of the device by bearings 19. The tube has at its end remote from the shaft external spline teeth 20 which co-operate with teeth 16 on the inner periphery of end cover 12. Within the open end of tube 18 is the rotary input member 32 which has an elliptical periphery 34 and is rotated by pins 42 which protrude from the outer periphery of motor armature 40. Balls 36 transmit the radial movement to an outer member 38, which is supported inside tube 18, and deflects this member to mesh teeth 20, lying on the major axis of the elliptical input member, with teeth 16; the number of teeth on tube 18 and cover 12 being different. The motor discoidal rotor 40 is of multi-ply form with a thin metallic disc 44 having driving pins secured in projections on its outer periphery. Disc 44 is overlaid by an insulating stiffening layer (47) which has secured to it lamina (46) which carries the armature conductor pattern, Fig. 6 (not shown). The rotor is rotatably mounted on stub shaft 54 and co-operates with annular permanent magnet 50 having a number of poles spaced apart by slots 52 and secured to shaft 54. A ring 68 of magnetic material is secured to an insulating block 72 which is carried on end cover 12 and provides a return path for the magnetic flux. Insulating sleeves 76 extend axially through bores in block 72 to house the brush assemblies for supplying current to the motor. In a modification the magnetic field may be produced electromagnetically and the connections to the electromagnets are taken through a tubular stub shaft. The armature conductive pattern may be produced by known techniques, e.g. printed, plated or etched.
Patent GB-622828-A (GB)
Title: Improvements in or relating to loudspeakers and like electro-acoustic transducers
IPC: H04R9/06
Filed: 1947-05-16
Abstract: 622,828. Loud-speakers. ROBSON, D. S. May 16, 1947, No. 15072/46. [Class 13] [Also in Group XXXIX] In a loud-speaker or like electro-acoustic transducer, a diaphragm 46, unsupported around its outer periphery (see Group XXXIX), is placed at the junction of a pair of outwardly diverging cone frustums 14, 16.
Patent GB-421570-A (GB)
Title: Improvements in or relating to sheet material for table-centres, table-mats, hand and other screens, firescreens and other like household articles
IPC: A47G23/03
Filed: 1933-05-26
Abstract: 421,570. Screens for stoves &c. HILL, E. B., 11, Oxford Parade, Cheltenham, Gloucestershire. May 26, 1933, No. 15205. [Class 52 (iv)] [See also Groups XV, VIII, and XI] Fire screens &c. are made from a sheet of board having sheets of metallized paper glued to both sides. The paper for the inner face is metallized with aluminium, silver, &c., polished to reflect heat; the outer face is coloured and may be embossed. Horizontal slits, or a hole, may be cut in the screen to take the stalks of grasses, foliage, real or artificial flowers, ornaments, &c., the stalks dipping into a jar of water sustained by a wire cage at the back of the screen. The edges may be finished with passÚ-partout. The Provisional Specification describes also screens &c. made from board covered on both sides with metal foil, deposited metal, &c.
Patent GB-1310153-A (GB)
Title: Method and device for checking the accuracy of a surface of a formed part
IPC: G05B19/18
Filed: 1970-03-31
Abstract: 1310153 Programmed electric control BUDD CO 31 March 1970 [1 April 1969] 15231/70 Heading G3N [Also in Division B3] The accuracy of a surface formed by a cutter of a machine tool controlled by stored data is checked by inserting a mounting shank in place of the cutter, positioning it in a predetermined location relative to a formed part of the surface and determining the relative distance from shank to surface by a gauge connected to the shank. As shown, Fig.1, data from a storage device 14, such as a magnetic tape, a drawing or a template, is used to produce electrical signals controlling an actuator 8 positioning a cutter tool 12.on an interpolated path 16 which takes account of the radius of the cutting tool. The finished surface 18 is then checked by substituting a checking tool 20 for the cutter tool 12, the storage device 22 and the actuator 9 being identical to the device 14 and actuator 8. When the cutter tool does not produce the desired surface, corrective action is taken, which includes, for a tape controlled system, the production of a cutter offset path tape. The checking tool 20, Fig.3, comprises a dial gauge 30 mounted on a shank 36 which is inserted in the machine tool in place of the cutter tool. A bar 38 is held to the shank by a screw and nut 40, 42 and supports a height adjustment rod 56 to which the dial gauge is attached, for radial adjustment, by a bar 60. The gauge is pre-set prior to use by locating a holder 44 by a pair of dowels, of which one 54 is shown, and securing it to the bar 38 by a screw 48. A gauging element 46 is then attached by a screw 55 and the gauge 30 set by the use of the adjustments referred to above. It is stated that the gauge 30 can be replaced by a transducer which is moved continuously over the cutter path and the deviations recorded.
Patent GB-482556-A (GB)
Title: Improvements in internal combustion engines of the liquid fuel injection type
IPC: F02B19/14
Filed: 1937-06-01
Abstract: 482,556. Oil engines. KAMMER, G. S. June 1, 1937, No. 15256. [Class 7 (iii)] To mix the fuel and air in a combustion chamber, an apertured plate 4 is moved away from the fuel nozzle 3 during injection to uncover a port 10 through which the burning fuel and combustion products pass into the cylinder. The plate can be operated mechanically or hydraulically and it may be rotated about its axis during its movement away from the nozzle. To adjust the air current through the apertures 7, the plate may be formed by two relatively rotatable apertured cones.
Patent GB-278631-A (GB)
Title: Improvements in liquid dispensing apparatus
IPC: B67D7/16
Filed: 1927-06-08
Abstract: 278,631. Marks, E. C. R., (Guarantee Liquid Measure Co.). June 8, 1927. Fixed-chamber apparatus, varying quantity measured in, -In a liquid-dispensing apparatus of the kind comprising an adjustable liquid-level controlling pipe moved by a vertically and laterally movable handle, 15, a laterally movable member, such as the vertical bar 22, is arranged so as to be held against the handle 15 when it is in the selected stop 16. The bar 22 is mounted by means of slots 23 on screws 24, and is drawn up to the handle 15 by a spring 27. It is locked by a spring-pressed plunger 25, which must be lifted by hand while the handle 15 is being moved.
Patent GB-1191205-A (GB)
Title: Metallic Composition
IPC: C09K23/22
Filed: 1968-03-29
Abstract: 1,191,205. Aqueous metallic pigment pastes. SHOWA ALUMINIUM POWDER CO. Ltd. 29 March, 1968 [9 May, 1967], No. 15307/68. Heading C4A. Aqueous metallic flake compositions contain an alkanolamide-type non-ionic surfactant, preferably of formula wherein R is C 11 -C 17  alkyl or alkenyl and n # 1. Suitable alkanolamides are derived from diethanolamine and a fatty acid selected from coconut oil fatty acid, lauric, oleic, stearic or palmitic acids, and are used in an amount 1À5- 10% by weight of the metal. The metal may be aluminium, brass, zinc or copper. The composition is prepared from either an aqueous or an oily flake. Optionally 0À5-5% morpholine, based on the metal weight, is included. In Example 2 the grinding charge also includes ipropanol and solvent naphtha.
Patent GB-1463908-A (GB)
Title: 1-dimethylamino-methyl-6-substituted-4h-s-triazolo-4,3-a- 1,4-benzodiazepine
IPC: C07D487/04
Filed: 1975-04-15
Abstract: 1463908 Triazolobenzodiazepines UPJOHN CO 15 April 1975 [13 May 1974 7 Feb 1975] 15344/75 Heading C2C 8 - Bromo - 1 - dimethylaminomethyl - 6- (2 - pyridyl) - 4H - s - triazolo[4,3-a][1,4]- benzodiazepine and its acid addition salts are prepared by the following routes The whole compounds are antidepressants and auxiolytics, and may be administered in the form of pharmaceutical preparations containing them in association with a carrier.
Patent GB-659234-A (GB)
Title: Improvements in automatic packaging and weighing machine
IPC: G01G13/00
Filed: 1949-06-09
Abstract: 659,234. Filling-machines. UNION BAG & PAPER CORPORATION. June 9, 1949, No. 15426. Convention date, June 26, 1948. [Class 94(i)] [Also in Groups XVIII and XXX] An apparatus for packing predetermined weights of material into bags operates as follows:-First one foot switch 111 is operated whereupon a thruster 78 closes jaws 60, 61 at the base of one shoot 58 into the position shown on the left-hand shoot 58 of Fig. 1, and thus allows the filled bag to be replaced by an empty one; release of switch 111 opens the jaws and so firmly clamps the bag in place on the shoot, a safety switch 106 responsive to the pressure of a bag being provided to prevent operation of the feed before the bag is in place. The material now flows from the duct 13 via the continuously moving conveyer 47 into the bag until, on accumulation of a predetermined weight therein, the weighing mechanism 40 (see Group XVIII) operates and first actuates a thruster 21 which moves a diverter plate 15 and causes the material to flow down the other duct 14, then operates a series of air jets 92 which divert the suspended material in the duct 13 down a shoot 99 which returns it to the main storage hopper 12, and, finally, starts a timing mechanism which, after the conveyer has discharged its residual material into the bag, actuates a thruster 86 which lowers a ram 87 into the shoot 58 and so compresses the material in the bag to a degree determined by the position of an adjustable limit switch 112. On retraction of ram 87 the foot switch 111 is again operated and the cycle is repeated. Fig. 3 (not shown) illustrates a mechanism for adjusting the position of the hinge 69, Fig. 2, of the jaw 61 to adapt the jaws for use with different size bags. Windows 85 in the shoot 58 allow inspection of the material during packing.
Patent GB-593656-A (GB)
Title: Improvements in or relating to automatic safety shut-off valve devices
IPC: F16K17/00
Filed: 1945-06-18
Abstract: 593,656. Safety cut-off valves. KEITH BLACKMAN, Ltd., and TAVENER, E. E. June 18, 1945, No. 15494. [Class 135] A diaphragm-actuated safety cut-off valve for gas consuming appliances comprises a loading spring 5 which bears on a diaphragm backing plate 4, a hollow spindle 7 axially adjustable between abutments, a stop 13 fitted to the spindle and penetrated by a spigot 14 on the backing plate 4 and a plunger 11 urged by a spring 12 against the stop 13. The outward movement of the spindle 7 which carries a handwheel 8 is limited by a shoulder 9 engaging an adjustable bush 6 by which the loading spring 5 is adjusted. Normally the gas pressure acting on the entire area of the diaphragm 3 maintains the valve open. When the pressure falls below a predetermined value set by the spring 5, the pressure acting on the small area within the valve seat 15 can no longer maintain the valve open. The valve is reopened when the pressure is restored and all the outlets blocked by opening the space 28 on the outlet side to the gas pressure by means of a byepass valve 18 opened by a spring- pressed push button 21. The inward movement of the spindle 7 is limited by a face 10 engaging a face 10a. The latter faces are arranged so that in screwing home the spindle 7, only a slight further movement of the spindle is necessary to bring the faces 10, 10a into contact after the plunger 11 contacts the spigot 14 and this further movement serves only to compress the spring 12 so that no damage is done to the diaphragm when the valve is closed manually. In'a modification, the diaphragm carries a conical faced lift valve. Specification 547,760 is referred to.
Patent GB-177481-A (GB)
Title: Improvements in field guns
IPC: F41A21/00
Filed: 1921-06-06
Abstract: 177,481. Soc. Anon. J. Cockerill, and Ternstr÷m, E. March 25, 1921, [Convention date]. Ordnance, built-up; design.-The barrel of a field gun is lengthened without imparing ease of transport by providing extension tube E connected by interrupted screw-threads e to the barrel proper A and rotatably mounted within a sleeve D itself hinged at b to the gun barrel. On releasing a catch f, the extension may be unscrewed, drawn forwards, and swung over on to the top of the barrel, as shown in Fig. 4. In this position the gun is ready for transport, or it may be fired without the extension tube.
Patent GB-366841-A (GB)
Title: Improvements in automatic targets
IPC: F41J5/20
Filed: 1931-05-28
Abstract: 366,841. Targets. JOHANNSEN, H., 4, Hasentorstrasse, Sangerhausen, Germany. May 28, 1931, No. 15663. [Class 20 (i).] A sectional target of the type having concentric discs mounted for free movement on a centrally-disposed bearing member, has the discs and bearing member provided with spherical engaging surfaces so that the discs may move freely in any direction under impact. The spherical surfaces 2 may be formed integrally with the central tubular supporting member 6b, or they may be formed independently and carried on the tube together with distancing pieces 3. Spring-pressed rods 14 contact with the rear of each disc, these rods being provided with wedge means 12 or with bell cranks 26 to cause movement in their planes of counterbalanced signals 10, when the discs are struck, these signals being retained in exposed position by means of hooked lever catches 19 which are released by endwise movement of a central member 16. This member is actuated as soon as a target section is struck by means of extensions 15 on the contact rods 14 engaging pins 18 in the member, so that the previously actuated signal is released at the same time that a new signal is actuated. The signals may be retained in exposed position by means of hooks on them engaging spring rods and be released by rope means from the firing position. The bulls-eye 6 is mounted on the end of a central rod 5 which actuates a separate signal 7 through a bell-crank lever. A dashpot may be interposed between the bell crank and the signal so that the descent of the target after exposure is prolonged.
Patent GB-120041-A (GB)
Title: Improvements in or relating to Incandescent Electric Lamp Holders.
IPC: H01R33/97
Filed: 1918-09-26
Abstract: 120,041. Benjamin Electric, Ltd., (Assignees of Benjamin, R. B.). Oct. 16, 1917, [Convention date]. Locking nuts.-In a screw holder for an electric lamp, part of the inwardly-projecting thread of the socket shell 17, Figs. 1 and 2, is omitted, so as to provide a housing for a spring 24 carried by the socket and bearing on the lamp-cap or the like so as to prevent loosening by vibration. The spring may be a strip held at its mid point by a tongue 26 which projects from the shell and passes around a neck 25, Fig. 6, or through a slot in the spring. The ends of the spring are reduced and work in holes 27 at the ends of the interrupted thread, and the intermediate parts of the spring, which stand out from the shell, are narrowed and may also be curved transversely so as to lie in the thread of the lamp-cap &c. Eyelets 20, 21 secure the screw shell, centre contact, and the corresponding terminals, to an insulating base 15. The Specification as open to inspection under Sect. 91 (3) (a) mentions the application of the invention to devices other than lamp-holders. This subject-matter does not appear in the Specification as accepted.
Patent GB-373418-A (GB)
Title: Process of and apparatus for treating woollen goods
IPC: D06B5/00
Filed: 1931-05-29
Abstract: <PICT:0373418/IV/1> Woollen goods are treated, e.g. chlorinated, in a cylindrical shell 1 mounted for rotation on a pair of hollow trunnions 2, 3, one of which is connected to a source of liquid such as weak acid liquor by the pipe 4 and to the interior of the shell by conduits 6 between which and the interior of the shell are interposed perforated plates 7 which are disposed radially of the shell and act as beaters, being covered with vulcanite or hard rubber &c. The other trunnion is connected with the atmosphere at 5 and with the interior of the shell by a radially disposed ventilating pipe 8.  A liquid drain valve 9 is placed externally of one of the beaters 7 and a door fixed in the shell permits of access to the interior.  The shell is rotated by spur gearing including a spur-wheel 13 and is enclosed by an outer casing 11.
Patent GB-497721-A (GB)
Title: Manufacture of aromatic compounds alkylated in the nucleus
IPC: C07C37/14
Filed: 1937-06-22
Abstract: Aromatic hydroxyl compounds alkylated in the nucleus are prepared by interaction of a liquid or molten aromatic hydroxyl compound with an olefine containing at least four carbon atoms, in the presence of boron trifluoride in solution in the liquid reaction mixture at a temperature below 100 DEG  C. and at atmospheric pressure.  Usually, about one per cent of boron trifluoride is sufficient for the alkylation, whilst more than one alkyl group can be introduced into the nucleus by maintaining an appropriate proportion of olefine to hydroxyl compound.  Examples describe the interaction of (1) phenol with di-isobutylene to give isooctyl-and di-isooctyl-phenol; (2) o-cresol with di-isobutylene, yielding a crystalline product; (3) phenol first with di-isobutylene and then with isobutylene, to form isobutyl-isooctyl-phenol; (4) phenol with isobutylene to give p-tert-butyl-phenol, which may contain some butyl - phenol - ether. British Specifications 307,802, [Class 2 (iii)], and 431,487, and U.S.A. Specification 2,008,032 also are referred to.  The Specification as open to inspection under Sect. 91 states that cycloalkyl radicles may be introduced in the same way and that the process may be operated in a continuous manner.  This subject-matter does not appear in the Specification as accepted.
Patent GB-715420-A (GB)
Title: Improvements in or relating to vinyl resin articles and films
IPC: C08F214/06
Filed: 1952-06-25
Abstract: Articles, e.g. films, are made from copolymers of vinyl chloride and an alkyl acrylate containing from 8 to 14 carbon atoms and have the following physical properties: one dimension less than 0.03 inch, a hardness of from 60 to 110 on the "A" Durometer at 30 DEG C., an elongation greater than 100 per cent. at 30 DEG C., and no substantial change in either tensile strength or elongation after being heated in air for 4 to 7 days at 100 DEG C. Specified acrylates are n-amyl, n-hexyl, isohexyl, n-heptyl, capryl, n-octyl, isooctyl, 2-ethylhexyl, n-nonyl, isononyl, n-decyl, and undecyl.  The copolymers may contain small amounts of stabilizers and pigments such as sodium silicate, lead silicate, lead phthalate, lead phosphate, lead phosphite, lead carbonate, calcium stearate, cadmium naphthenate, lead oxides, dibutyl tin oxide and polymers, lead phenolate, tin phenolate, dibutyl diphenyl tin, tetraphenyl tin, tetrapropyl tin, dibutyl tin diacetate, tributyl tin laurate, dibutyl tin maleate, dibutyl tin dicrotonate, phenoxy lead stearate, or cadmium or barium ricinoleate.  Other articles mentioned are tablecloths, curtains, baby pants, aprons and furniture upholstery films.
Patent GB-1426820-A (GB)
Title: Digital control system
IPC: H02P23/00
Filed: 1973-04-03
Abstract: 1426820 Automatic control of speed HITACHI ELECTRONICS Ltd and NIPPON HOSO KYOKAI 3 April 1973 [5 April 1972 6 June 1972 25 Nov 1972] 15983/73 Heading G3R A digital control system to give proportional, integral and differential control is used in a videotape recorder to control the speed of a head wheel in accordance with a train of reference pulses and provides a binary number corresponding to the phase difference between the reference pulse train and a pulse train representing the actual speed of the head wheel which number is used to produce a modulated pulse carrier signal where the pulse positions depend on the value of the binary number so that these pulses can be used to control the head wheel drive motor. In the arrangement shown the head speed tachometer pulses are shaped at 9 and applied both to the phase comparator 1' and to the frequency discriminator 2' which gives integral and differential control. The phase comparator 1' accepts the tachometer pulses and reference pulses together with clockpulses and stores the phase error signal in register RA until sampled. The direction of the error is ascertained by use of a bias count corresponding to zero frequency difference to provide an offset. The frequency modulation stage is provided by counter CB which repeatedly counts clockpulses over a set period and thus resets itself each time a particular count is reached. When the register R A  is sampled the count is transferred to counter C B  so that its division ratio is changed and thus its output repetition frequency is controlled in accordance with the stored number. The phase modulator 4' again is a counter CD and starts counting clockpulses on receipt of the pulse out of counter C B , it produces an output when the count reaches a given value. The output of register RB in the differential loop provides an offset count to vary the time between output pulses. These output pulses are used in a motor control circuit (not shown) to control the speed of the head wheel motor. The frequency discriminator 2' consists of a counter Cc and a register RB and provides a binary number corresponding to the frequency difference between the pulse trains by counting the number of clockpulses between each pulse of the respective train. In a further arrangement shown in Fig. 4, calculators 5', 6', 7' are provided to adjust the gain of the loops and an adder 12' is used to complete the proportional loop.
Patent GB-885358-A (GB)
Title: Method and apparatus for homogenising very highly viscous melts
Inventor: SCHWARTZ ERICH
IPC: B01F5/06
Filed: 1960-05-06
Abstract: <PICT:0885358/IV (a)/1> <PICT:0885358/IV (a)/2> In a process and apparatus for homogenizing a highly viscous molten polymer (see also Group II), especially polyethylene, the material having a viscosity of at least 50,000 poises is forced through a narrow tortuous passageway of width 0,5 to 3 mm.  In an example a linear low-pressure polyethylene is pumped through an arrangement according to Fig. 1 having 12 parallel channels of width 1,2 mm. at 175 DEG C. and at a rate of 20 g per min.  There are 30 spinneret openings 5 having a diameter of 0,3 mm. and the threads may be drawn at a speed of 200 mm. per min.  In another example an apparatus according to Fig. 2 is installed between the screw cylinder outlet and the blowing head of a film-blowing machine.  The width of the concentric annular passages is 1,5 mm.  The melt is supplied at 60 g per minute and 140 DEG C. and a film about 60 microns in thickness is drawn off at a rate of 2 m. per min.
Patent GB-885825-A (GB)
Title: A micro-porous material and method of making such material
IPC: H01M50/414
Filed: 1959-05-12
Abstract: Microporous polyvinyl chloride and copolymers of vinyl chloride and vinyl acetate are obtained by mixing powdered resin with starch at room temperature, moulding, sintering, treating with water, solubilizing the starch and bleaching.  A fluid lubricant may be added for mixing, e.g. paraffin, mineral spirit, toluene or xylene. The microporous resin can be impregnated with a wetting agent.ALSO:Microporous material is obtained by mixing at room temperature starch and thermoplastic resin powder, moulding, sintering, treating with water to swell the starch, solubilizing the starch, and leaching.  A fluid lubricant may be added for mixing e.g. paraffin, mineral spirit, toluene or xylene.  Polyvinyl chloride and copolymers of vinyl chloride and vinyl acetate are specified. The microporous material can be impregnated with a wetting agent. Sintering is between 150 DEG  and 250 DEG C.