baber/WOPTO huggingface dataset:
Patent GB-508804-A (GB)
Title: Manufacture of compounds of the cyclopentanopolyhydrophenanthrene series
IPC: C07J75/00
Filed: 1938-01-05
Abstract: 508,804. Cyclopentanopolyhydrophenanthrene compounds. GROVES, W. W. (I. G. Farbenindustrie Akt.-Ges.) Jan. 5, 1938, No. 318. [Class 2 (iii)] Aluminium alcoholate is used as either an oxidizing or a reducing agent for 3-hydroxy-, or 3-keto-compounds of the cyclopentanopolyhydrophenanthrene series in which there is at the 17-position a side chain containing a basic nitrogenous group. It is stated that the nitrogenous group does not take part in the reaction, but remains unchanged If desired, this group may be split off after the oxidation or reduction. In examples : (1) 3-hydroxy-ternoroholenylamine is oxidized to the corresponding 3-ketocompound by boiling with tertiary aluminium butylate in benzene solution in the presence of acetone ; (2) 3 - hydroxy - androstenmethylketimine prepared from acyloxyternorcholenylchloramine by the action of sodium alcoholate in alcohol solution, is oxidized to the corresponding 3-keto-compound by treatment as in example (1). ). The ketimine group is hydrolysed after the oxidation by treatment with N /2 sulphuric acid ; (3) 3-oxo-ternorcholenylamine is reduced with aluminium isopropylate in isopropyl alcohol solution to the corresponding 3-hydroxy compound. Specifications 487,360 and 500,186 are referred to.
Patent GB-607467-A (GB)
Title: Process for the preparation of acid anthraquinone dyestuffs
IPC: C09B1/34
Filed: 1946-02-05
Abstract: Dyes are made by halogenating anthraquinone derivatives of the formula <FORM:0607467/IV (c)/1> where X and Y are alkyl radicles, Z denotes hydrogen or an alkali metal, and the arylamino group may be further substituted.  The products dye wool, silk and nylon reddish-blue shades. Halogenation may be carried out in sulphuric acid or oleum, in presence of a halogen carrier such as iodine or iron salts, at temperatures of 0-40 DEG  C., which may be finally raised to 40-80 DEG  C.  Examples describe the bromination of 1 - amino - 4 - (21.41.61 - trimethylphenylamino) - anthraquinone - 2 - sulphonic acid and its sodium salt, 1-amino-4-(21.61 - dimethyl - 41 - methoxyphenylamino) - anthraquinone - 2 - sulphonic acid sodium salt, 1 - amino - 4 - (21.61-dimethylphenylamino) -anthraquinone-2-sulphonic acid, and the chlorination of 1-amino-4-(21.41.61 - trimethylphenylamino) - anthraquinone-2-sulphonic acid and 1-amino-4-(21.61-dimethylphenylamino) -anthraquinone-2-sulphonic acid sodium salts.  Also specified is 1 - amino - 4 - (21.41 - dimethyl - 61 - ethylphenyl - amino) - anthraquinone - 2 - sulphonic acid. Specification 480,270 is referred to.
Patent GB-556799-A (GB)
Title: Improvements in and relating to sound recording and reproducing apparatus
IPC: G11B27/13
Filed: 1942-01-09
Abstract: 556,799. Sound reproducing apparatus. W.A.F. CO., Ltd., and ALLEN, H. H. Jan. 9, 1942, No. 372. [Class 40 (ii)] Relates to apparatus for reproducing sound by means of a stylus following a grooved track in a film, for example as described in Specification 544,760. According to the invention, the adjacent grooves on the film are identified by means of an optical apparatus directing a light beam on the film and observing the light reflected therefrom. As shown, light comes from a lamp 9 through a tube 10 disposed obliquely on one side of the film 3. The light reflected from the film passes to an optical magnifier 12 disposed obliquely on the other side of the film, and containing a scale by reference to which the position of the grooves on the film is indicated. Other parts of the apparatus are more or less similar to those described in Specification 544,760.
Patent GB-225720-A (GB)
Title: Improvements in or relating to poultry houses
IPC: A01K31/22
Filed: 1924-01-07
Abstract: 225,720. Rowlands, A. Jan. 7, 1924. Hutches and shelters for animals.-A portable pig sty, rabbit hutch, &c., is provided with a wheel b at one end, from which extend through the structure two shafts c that project to form handles at the opposite end. The house is open or perforated at the bottom.
Patent GB-1037331-A (GB)
Title: Improvements in and relating to chromatography
Inventor: BARRON JAMES OWEN
IPC: G03B27/32
Filed: 1964-01-03
Abstract: 1,037,331. Photographing chromatograms. SHANDON SCIENTIFIC CO. Ltd. Dec. 21, 1964 [Jan. 3, 1964], No. 436/64. Heading G2A. A method of determining and recording the presence in a chromatogram of a spot of a substance liable to photo-degradation, and which fluoresces under ultraviolet light, comprises photographing the chromatogram using ultraviolet flash illumination. Fig. 2 shows a suitable apparatus, the chromatogram being placed on a diffusing plate 27 inside a cabinet 1. In each side wall of the cabinet are rectangular openings closed by doors 14 through which the chromatographic plate may be inserted. The front of the cabinet carries rubber-covered hand-holes (Fig. 1, not shown), to allow insertion of an operator's hands, and an observation slot 11. If the plate is wider than the cabinet, its ends may extend out of the cabinet as shown, an arrangement of auxiliary lids 66 serving to exclude external light. The camera 22 is mounted on top of the cabinet so as to photograph the interior through an aperture therein, and vertical adjustment is controlled by finger-wheels 23. Two flashguns are arranged on brackets 33 so as to be inclined at 45 degrees to the diffusing plate 27. A filter in front of each gun transmits only ultraviolet light of 3650 A. The cabinet also contains other sources of illumination for observation purposes (Fig. 5, not shown). These comprise electric filament bulbs 50, a single bulb emitting ultraviolet light of 3650 A, and two lamps emitting ultraviolet light of 2537 A. Light from these sources, singly or in various combinations, is produced under the control of a knob 3, which also actuates the flash and photographing step.
Patent GB-1417079-A (GB)
Title: Two-piece router bit assembly for earth moving equipment
IPC: E02F9/28
Filed: 1974-01-04
Abstract: 1417079 Excavator router bits ESCO CORP 4 Jan 1974 [8 Jan 1973] 00452/74 Heading E1F In a two piece router bit in which a recess 64 of an earth-engaging wear part 26 embraces a nose portion 30 of an adapter 24 securable to an earth-moving member to locate the wear part 26 on the adapter 24 there is provided between the adapter and the wear part hook means that restrains relative sliding movement in at least one direction between the bearing walls of the adapter and wear part which are thus releasably locked together when assembled. The hook means can be a finger 58, 72 extending rearwardly from the upper leading end of the recess 64 in the wear part and a shoulder 43 at the leading end of the adapter, the shoulder engaging the underside of the finger. Also the hook means may be an upstanding lug in the recess 64 and a recess 74 extending upwards from the underside of the adapter. The hook means may also be a combination of both the finger 58, 72 and shoulder 43 and the lug 49 and recess 74. The wear part and the adapter are locked together by looking pin 27 and pin lock member 25. USA Specifications 3685177 and 3126654 are referred to.
Patent GB-497176-A (GB)
Title: Improvements in and relating to firebars for travelling grates
IPC: F23H11/04
Filed: 1938-01-07
Abstract: 497,176. Firebars for travelling grates. POCOCK, E. J., ARNOLD, F. S., and BATLEY, R. L. Jan. 7, 1938, No. 352. [Class 51 (i)] In a travelling-grate firebar with a single outward projection 7 from its lower portion at each end to engage in slots or recesses in a carrier forming part of an endless hand or chain system, and with a sinuous or corrugated portion between its ends, at least one of the projecting parts of the sinuous or corrugated portions projects further than the others so as to act as a spacing means from the next firebar. The front surface of the bar is corrugated substantially from top to bottom, and the rear surface is corrugated only near the top, the corrugations being arranged so that the recesses 9 on the front surfaces are in the lines of travel of the projections 10 on the rear surface. The larger projections 12 then engage in the recesses aligned with them. The projections 12 extend from top to bottom of the bar.
Patent GB-451753-A (GB)
Title: Improvements in or relating to crankshafts
IPC: F16C3/12
Filed: 1936-01-08
Abstract: 451,753. Crank - shafts. BUGATTI, E., Molsheim, Bas-Rhin, France. Jan. 8, 1936, No. 695. Convention date, Jan. 9, 1935. [Class 80 (ii)] The web 3 of a built-up crankshaft has two adjacent housings adapted to accommodate two crank-pins 8, 9, or one pin and a journal, whose axes are spaced apart. The common assembling pin 10 is formed with flats for co-operating with flats on the crank - pins or journal. The flats may be parallel to the axes, or inclined as shown, in which latter case the ends of the crank-pins are reduced. If the required distance between the axes is less than the sum of the radii of the pins the ends of the latter are cut away. A plurality of locking pins may be used on the same web.
Patent GB-329001-A (GB)
Title: Improvements in or relating to selection apparatus of addressing and other similar printing machines
IPC: B41L47/58
Filed: 1929-01-08
Abstract: 329,001. Addressograph, Ltd., (Jobst, 0.). Jan. 8, 1929. Addressing and like machines; tripping- arrangements.-In addressing and like printing- machines in which printing-plates fed into the machine control through the intervention of switches provided on a selector, and by the action of riders, tabs, &c. on the plates or their holders, the application or withdrawal of the printing pressure., the switches are associated with a switching-over device which enables them to be used either for individual or for group action. As shown, each printing-plate is provided with one or more. tabs acting on levers c' - - c<6> connected through switches e<1> - - e<6> on a selector 'd to the magnet coil q of a relay g. A plate a with tabs b<1>, b<3> and b<4> is shown in selecting position. Two sets of contact arms k<1> - - k<6> and o<1> - - o<6> are arranged respectively above and below the. levers c' - - c<6> and are connected to separate terminals on a switching-over device f. Vhen the switch is in the position E, a circuit including the coil q and a battery i is closed whenever any one of the levers c<1> &c. is raised by the passage of a tab, provided the corresponding switch e<1> &c. is closed. The coil q then attracts an armature m which closes the circuit to the coil of a second relay h adapted to control the printing operation. When the switch f is in the position G, the coil q is normally energized, and current only ceases to flow when each one of a selected group of the levers c<1> - - c<6> is raised to break contact with the arms o<1> - - o<6>. The armature m is then released and closes the circuit to the control relay h.
Patent GB-880258-A (GB)
Title: Improved steam boiler
Inventor: BRADLEY NORMAN
IPC: F22G5/02
Filed: 1957-01-08
Abstract: 880,258. Regulating steam temperature in boilers. FOSTER WHEELER Ltd. Jan. 7, 1958 [Jan. 8, 1957], No. 730/57. Class 123(3) A boiler has two furnaces 10, 12 arranged in a common setting and separated by a wall 18 of water tubes open at the top at 19. The furnaces are respectively lined with steam generating tubes 20 and radiantly heated superheater tubes 22 and are respectively fired by burners 14, 16. From furnace 10 a down pass 34 containing a reheater 32, economizer 38 and air heater 39 leads gases to an induced draught fan (not shown). From furnace 12 a down pass 28 containing a superheater 26, an economizer 36 and air heater 37 leads gases to a second induced draught fan (not shown). The rate of steam generation and the final steam temperature are respectively determined by the firing rates of burners 14, 16 which are respectively controlled by regulators 40, 42 in response to variations in steam pressure and temperature in the final superheater outlet header 27. The reheat temperature is determined by the distribution of furnace gases between the passes 28, 34, the distribution being controlled in response to variations in reheat temperature measured at the reheater outlet header 33 by a regulator 46 which appropriately biases a regulator 44 receiving signals representative of pressure variations at the opening 19, the regulator 44 adjusting the speeds of the induced draught fans. In a modification, a single fan is provided for both downpasses and the gases are proportioned betweeh them by adjustment of outlet dampers.
Patent GB-966155-A (GB)
Title: Improvements in or relating to shearing machines
IPC: B23D21/00
Filed: 1962-01-08
Abstract: 966,155. Cutting girders and like profile bars. URQUHART MACHINE TOOLS Ltd., and C. W. CARR. April 8, 1963 [Jan. 8, 1962], No. 736/62. Heading B3W. A shearing machine comprises a fixed blade carried by an upright body, a moving blade carried on a slide plate pivoted to the body and guide means arranged to engage the slide plate over at least part of the shearing movement of the movable blade. The body 12 carries a fixed blade 14 and supports a slide plate 16 on a pivot bolt 17. The slide plate 16 carries a blade 18 and is operated by a handle 19 through gear segments 20 and 21. A guide plate 25 is held to the body 12 by the pivot bolt 17 and by bolts 28 and 31. Spacing washers 29 and 32 space the guide plate away from the body by a distance equal to the thickness of the slide plate 16. The slide plate has a nose 34 which engages a nose 28 on the guide plate 25 to prevent sideways separation of the cutting blades. Specification 925,267 is referred to.
Patent GB-658641-A (GB)
Title: Improvements relating to fitments for supporting shelves and other structures
IPC: A47B57/04
Filed: 1949-01-11
Abstract: 658,641. Stud-and-socket fasteners. CHURCH & CO. (FITTINGS), Ltd., and JONES, C. B. Jan. 11. 1949, No. 755. [Class 44] '[Also in Group XIV] A fitment for supporting shelves comprising a slotted upright 1 and a co-operating supporting bracket with an arm 3 hooked to engage a slot and a strut 4 pivoted at its outer end to the arm has a wedge at the other end of the strut to engage in a slot and increase the rigidity of the supporting structure. The strut is formed of U-cross-section, the lower end having its sides pinched together to form a solid piece 8 cut away to leave a gap 8a and a notch 9 which engages over the edge of a slot. A sliding strip 10 with a wedge-shaped end 10a resting on the solid piece 8 is mounted within the strut and urged into the slot by means of a compression spring 13 acting between a bent over extension of the strip and a stop 14. Specification 621,608, [Group XIV], is referred to.
Patent GB-1279025-A (GB)
Title: Digital phase lock loop
Inventor: HEIDECKER ROBERT FRED
IPC: H04L7/00
Filed: 1970-01-07
Abstract: 1279025 Automatic frequency and phase control INTERNATIONAL BUSINESS MACHINES CORP 7 Jan 1970 [15 Jan 1969] 756/70 Heading H3A [Also in Division G4] A digital phase lock loop includes a circuit for receiving digital input pulses representing a detected phase error and for providing an output pulse for phase and/or frequency error correction comprising means for storing a total phase error, means for dividing the total by a first predetermined value and for providing an output pulse indicating that the total is at least equal to the first predetermined value; means responsive to the output pulse for algebraically adding a second predetermined value to the total mentioned and means for varying the predetermined values so that phase and/or frequency correction can be made a function of the instantaneous sampled error, of several previous sampled errors, of the accumulated error of some external control. For example, both valves may be set to 1 for rapid initial lock-in of the phase lock loop. In a first embodiment, the input signal is a parallel binary number which is accumulated in latches using full adders. If a threshold value is reached, an output pulse is produced which causes the (negative) contents of a register to be accumulated in the latches via the full adders. A second register for adding in a positive number in the event of a negative correction can also be provided. The threshold and register contents (i.e. the "predetermined values" above) can be variably selected. In a second embodiment, the input signals are pulses counted in a binary cascade counter. AND gates recognize particular counts to produce phase correction pulses (the lines from the different AND gates may be ORed together). A further AND gate recognizes a particular count to produce frequency correction pulses, each of which also resets the counter. Switches preceding the AND gates are provided to permit variable selection of the "particular counts" (representing the "predetermined values"). A second counter for negative errors may also be provided, or a reversible counter could be used.
Patent GB-245797-A (GB)
Title: Improvements in or relating to methods of regulating centrifugal fans, compressors or the like
IPC: F04D27/02
Filed: 1926-01-11
Abstract: 245,797. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts Ges ). Jan. 10, 1925, [Convention date]. Regulating.-Centrifugal blowers and compressors are regulated so that the pressure is maintained constant between the points G, H on the pressure-volume diagram, Fig. 2, the point H being nearer the pump limit; and between the points H, J the speed of the pump is maintained constant. The inlet valve h of the pump driving engine is operated by a servo-motor having a valve g operated by the movement of a rod k. A diaphragm pressure regulator e effects the regulation between the points G, H. As the pressure tends to increase with decreasing requirements, the rod k drops and the inlet valve h of the engine moves towards its closed position and the pump speed diminishes to keep the pressure constant. During this part of the operation the centrifugal governor f is inoperative as the sleeve m at the end of its regulator lever n merely slides on the rod k. When the point H is reached in the working, the diaphragm regulator reaches its limit position, and thereafter the rod q is free to be lifted from its diaphragm. The sleeve m also engages the collar l on the rod k. If then the quantity of air diminishes, the diaphragm regulator is inoperative and regulation for constant speed is effected by the centrifugal governor f. The setting of the diaphragm regulator may be varied by means of a spring controlled by a hand-wheel s. Further arrangements secure the operation of the centrifugal regulating mechanism at any part of the working if a certain maximum speed is exceeded. An extension t of the regulator lever n carries a rod v resting against a spring stop w adjusted to give way when the maximum speed is passed; the consequent movement depresses the rod z and the lever i, so permitting the rod k to fall to close the engine valve h.
Patent GB-537968-A (GB)
Title: Improvements in couplings for shielded electric cables
IPC: H01R13/432
Filed: 1940-01-13
Abstract: 537,968. Two-part couplings. PACKMAN, P. J., ROUGH, R. W., and PLESSEY CO., Ltd. Jan. 13, 1940, No. 802. [Class 38 (i)] In a coupling having sockets 10 mounted in an insulator 15 within a metal sleeve 18, the sockets are assembled in a retaining plate 17 by forming each socket with an abutment 11 and with resilient tongues 14 pressed from the socket and arranged to spring out behind the plate 17 when the socket is passed through a hole in the plate. The plate 17 is then secured against the insulator 15 by a spacer 25 and a ring nut 24 that also secures a thimble 22 attached to the screening 20 of the cable. A key 26 fixed in the sleeve 18 locates the insulator 15 therein and also projects into a groove 32 in the plug member 31 so as to locate the sockets correctly in relation to the plugs. A screw ring 34 secures the coupling and cooperates with a washer 35 during unscrewing.
Patent GB-196049-A (GB)
Title: Safety sustaining gear for mine cages
IPC: B66B5/24
Filed: 1922-01-11
Abstract: 196,049. Evans, E. R. Jan. 11, 1922. Catch gear of mine-cage type.-When the cage is at rest at the top or bottom of the shaft the weighted ends C of the levers D actuating the guide rope gripping devices rest on pieces of wood F supported by members E and the gripping devices are kept out of action. When the hoisting rope breaks, the weights C break the members F and the wedges A are forced sufficiently far into the tapered interior of the guides I to grip the ropes B. The descent of the levers D is assisted by springs H. Reference has been directed by the Comptroller to Specification 10209/11.
Patent GB-230771-A (GB)
Title: Improvements in trawling gear
IPC: A01K73/045
Filed: 1923-09-05
Abstract: 230,771. Hughes, T. T. Sept. 5, 1923. Grant of Patent refused. Trawling - gear.- Pennants G are made of chain and are connected to a link I by means of a sliphook E. Replacement or repair is thereby facilitated. Reference has been directed by the Comptroller to Specifications 24413/98, 295/03, and26172/09.
Patent GB-934313-A (GB)
Title: Stabilization of chlorohydrocarbon solvents in phosphatizing baths
IPC: C23C22/03
Filed: 1962-01-09
Abstract: A non-aqueous phosphatizing bath having a chlorohydrocarbon solvent, such as with 1 to 3 carbon atoms, e.g. trichloroethylene, perchloroethylene, methylene chloride, trichloroethane, carbon tetrachloride, or trichloropropane, contains as stabilizing agent a nitroso aromatic or azo aromatic compound, e.g. in an amount 0.01 to 5%.  The aromatic compound preferably contains one or more benzene nuclei but may be carbocyclic, e.g. indene, or heterocyclic, e.g. pyridine or thiophene, alone or combined with a benzene nucleus. Examples of the nitroso compound are 5-nitroso-2-amino-anisole, p - nitrosodimethylaniline, 1 - nitroso-2 - naphthol, N - nitrosodiphenylamine, p - nitrosophenol, and 5 - nitroso - 8 - quinolinol.  Examples of the azo compound are azobenzene, azoxybenzene, 3,3-dinitroazoxybenzene, and 1-o-nitrophenylazonaphthylamine.  The bath may contain 0.05 to 7.5% phosphoric acid and additionally contain 1 to 10% of solubilizing agent, such as an aliphatic alcohol with 3 to 8 carbon atoms or an alkyl acid phosphate compound for the acid; examples of such an agent are propanol, butanol, pentanol, amyl alcohol, hexanol and octanol.
Patent GB-486133-A (GB)
Title: Improvements in compression ignition engine and method of operating the same
IPC: F02B19/10
Filed: 1937-01-12
Abstract: 486,133. Oil engines. NATIONAL SUPPLY CORPORATION. Jan. 12, 1937, No. 910. Convention date, Sept. 24, 1936. [Classes 7 (ii) and 7 (iii)] An auxiliary combustion chamber 9 is connected, by a tangential passage 10, to a main combustion chamber 7 open to the cylinder. A fuel spray having a highly atomized portion and a dense core is delivered by an injector 6, the highly atomized portion being burnt in the chamber 7 whereas the core passes through the passage 10 and is broken up and burnt in the chamber 9. The combustion chamber 7 is disposed at one side of the cylinder and contains an inlet valve 15. The injection valve 20 is provided with a projecting pin having a conical restriction 25 and a conical enlargement 26 at its free end. During starting, communication between the chambers 7, 9 is interrupted by a plug valve 14.