baber/WOPTO huggingface dataset:
Patent GB-977725-A (GB)
Title: Process for the production of quinolizine derivatives
IPC: C07D455/06
Filed: 1962-06-18
Abstract: 1, 4, 6, 7-Tetrahydro-11bH-benzo[a]quinolizine derivatives of the general formula <FORM:0977725/C1/1> (wherein R1 and R2 are the same or different and represent hydrogen atoms or methoxy, ethoxy or C1-4 alkyl radicals or jointly represent a methylenedioxy radical, R4 represents a hydrogen atom or a C1-4 alkyl radical, and R5 represents a C1-7 alkyl radical, a radical of the formula <FORM:0977725/C1/2> or a phenyl radical) and the corresponding 1, 2, 3, 4, 6, 7-hexahydro compounds are produced by reacting a cyclic b -aminoketone of the formula <FORM:0977725/C1/3> (wherein R1 and R2 are as defined above, R3 represents a hydrogen atom or an acyl radical and R5 represents a C1-7 alkyl radical, a radica of the formula <FORM:0977725/C1/4> or a phenyl radical) with an organo-metallic vinyl compound of the formula <FORM:0977725/C1/5> (wherein X represents chlorine, bromine or iodine), hydrolysing the resulting adduct and thereafter if necessary removing any acyl radical R3 by hydrolysis, producing a tertiary alcohol of the formula <FORM:0977725/C1/6> (wherein R5 has the first of the meanings given for it above), treating this with an inorganic acid halide to replace the hydroxy group by chlorine or bromine and bring about allyl rearrangement to form a compound of the formula <FORM:0977725/C1/7> (wherein Y represents chlorine and bromine and R5 has the first of the meanings given for it above), cyclizing this by treatment with alkali to give a compound of the first general formula above, and, if desired, catalytically hydrogenating the 2, 3 double bond in the product or in an acid addition salt thereof.  Cyclic b -aminoketones I are prepared by condensation (with decarboxylation) of appropriate 3, 4-dihydroisoquinolines with appropriate b -ketoacids (including condensation of two molecular proportions of the 3, 4-dihydroisoquinoline with one of acetonedicarboxylic acid to form the bis-compounds), followed, if desired, by acylation of the product when R3 is to represent an acyl radical.  2-Bromobut-1-ene is prepared by dehydrobrominating 1, 2-dibromobutane and separating the desired product from its 1-bromo isomer by fractional distillation.
Patent GB-1034999-A (GB)
Title: Improvements in or relating to a method of sealing a hollow body at a predetermined point
IPC: E04B1/76
Filed: 1965-06-01
Abstract: A method of sealing a hollow body comprises the steps of introducing a bag through an opening in a wall of said body passing into said bag from outside a mixture of materials such as a resin, an isocyanate and a foaming agent, closing the bag from the outside, passing the bag wholly within the hollow body or allowing the materials to expand to seal off the said hollow body.
Patent GB-776936-A (GB)
Title: Improvements in moulds for hollow glass articles
Inventor: HOWARD CHARLES
IPC: C03B9/347
Filed: 1954-08-12
Abstract: 776,936. Glass-blowing moulds. GLASS BULBS, Ltd. Aug. 2. 1955 [Aug. 12, 1954], No. 23459/54. Class 56 In a glass-blowing machine having moulds formed from separable parts, the mating portions of the moulds are coated with a material (particularly chromium or molybdenum) capable of withstanding, to a greater extent than that of which the parts are made, the compressive forces involved in the closing together of the separable parts.
Patent GB-651177-A (GB)
Title: Method of smelting sulphide-containing raw materials
IPC: C22B1/10
Filed: 1948-09-07
Abstract: 651,177. Extracting metals. RYSELIN. J. W., and BRYK, P. B. Sept. 7, 1948, No. 23546. Convention date, April 3, 1947. [Class 82(i)] Sulphide - containing raw materials, especially those containing copper with or without nickel, are smelted in a combustion chamber 1 by feeding the finely divided raw material downwardly, from a hopper 8, concurrently with pre-heated air from a burner 10. The matte and slag or the metal and slag fall on to the furnace hearth 2 and are tapped off while the hot flue gases flow along a horizontal path into a flue 3 and pass through an air pre-heater 4 and a concentrate drier 7. The quantities of material and air may be accurately regulated by means of control devices 9 and 6 respectively. The calorific value of the raw material may be increased by adding a material of high calorific value, e.g., pyrites.
Patent GB-1283007-A (GB)
Title: Governor for diesel engine
IPC: F02D41/38
Filed: 1971-04-19
Abstract: 1283007 Fuel injection systems ROBERT BOSCH GmbH 19 April 1971 [12 March 1970] 23688/71 Heading G1N The fuel injection of a Diesel I.C. engine is controlled as regards duration by the output voltage U K , Fig.1, from a first function generator 12 whose input signals are U 2 , determined by the position α of the accelerometer pedal, and U n , determined by the engine speed n, and as regards timing by the output voltage U NW  from a second function generator 17 whose input signals are U K , the output signal from the first generator 12, and U n , the speed signal. The signal U K  from the first generator 12 is inversely proportional to the load on the engine. The desired non-linear relationship developed in function generator 17 between the injection timing voltage U NW  and speed n for different loads shown in Fig.2a, and the corresponding circuit for the generator 17 is described with reference to Fig.3 (not shown). The control voltage U K  (or U NW ) is compared with a feedback voltage U KW  (or U‹ NW  ) in a differential amplifier 80 Fig. 5. Initially capacitor 87 is charged from U b2  until the potential at M exceeds that at P, when the output voltage is switched to zero and capacitor 87 discharges. When the potential at M is less than that at P, the amplifier reverts to its initial state, with positive feedback via resistor 82 to increase the potential at P. Capacitor 87 is again charged and the output from amplifier 80 continues to oscillate at a frequency determined by the time constant of capacitor 87 and resistor 81. This voltage pulse train output, which has a mark/space ratio determined by the potentials U K , U KW , is amplified by the transistors 98, 99, 100 to control a hydraulic valve MV associated with means for controlling the extent of travel of the injection pump 15, or the injection timer 19.
Patent GB-1423709-A (GB)
Title: Electromagentically engagable multiple-disc clutch
IPC: F16D27/115
Filed: 1973-05-18
Abstract: 1423709 Electromagnetic friction clutches CENTRALNE BIURO KONSTRUKCYJNE OBRABIAREK 18 May 1973 [20 May 1972] 23701/73 Heading F2C An electromagnetically actuated multipledisc clutch comprises a stationary coil 18 mounted on the driving hub 2 through a bearing 17, a bush 1 attached to the hub 2 carrying inner discs 3 of the disc set and supporting an armature 6 which slides on balls 8 on an axial extension of the bush 1, the armature 6 compressing the disc set to drive member 5 through discs 4 when the coil 18 is energized. In the embodiment shown each ball 8 is confined between two pins, one fixed in and one screwed into the end face of bush 1 (Fig. 2, not shown). In an alternative embodiment the balls are in radial bores of the armature and pressed towards the bush 1 by screws, there being an elastic connection between the bush and the armature (Fig. 3, not shown).
Patent GB-658461-A (GB)
Title: Improvements in or relating to burnishing device for preformed channels
IPC: B24B39/00
Filed: 1949-09-14
Abstract: 658,461. Broaching; burnishing; making turbines. LAPOINTE MACHINE TOOL CO., Ltd. (Lapointe Machine Tool Co.). Sept. 14, 1949, No. 23760. [Classes 83 (ii), 83 (iii) and 83 (iv)] A burnishing device comprises several burnishing elements 12 mounted in longitudinal alignment on a body 15 longitudinally slidable with respect to the work. The elements are mounted in openings in a stand 10 which has a longitudinal notch 41 on one side and the stand is held in a channel 14 in the body by a clamping bar 35. The bevelled edge of the clamping bar extends into an annular groove 52 in the shank of each element so that they are secured against axial displacement but are free to rotate, in order to distribute wear. The burnishing elements may be mounted in a broach for forming the blade grooves in a turbine rotor, the broach having a pilot member 20, a set of roughing cutters 21, a set of cutters 24 for chamfering the outer edges of the groove and a set of finishing cutters 27. Fixed abutments 30 and 31 are fitted at the ends of the channel 14 and locking blocks 22 and 23 are fitted between the sets of cutters; clampbars 32 similar to the bar 35 retain the cutters in the channel.
Patent GB-222659-A (GB)
Title: Improvements in garters
IPC: A41F11/02
Filed: 1923-09-24
Abstract: 222,659. Stevens, W. H. Sept. 24, 1923. Grips, V-groove type. -The gripping part of a suspender for articles of dress comprises an open - centred sheetmetal frame having a. tongue integral with one side wall of the frame and extending inwardly and downwardly into the opening in the frame, the widest part of the tongue being that part where it joins the frame. The end of the tongue is offset relatively to the frame and co-operates with the inner edge of the frame to form the gripping means. The frames 6, 8, 9, 10 has an opening 12 narrowing into the curved slot 15, 16 between the gripping edges of the tongue 11 and frame 10. The part P, P of the tongue where it joins the frame 9 is the widest part of the tongue, ensuring an effective gripping force in the slot 15 when the material therein inserted is tending to bend the tongue. In the form shown in Figs. 2 and 5, the end of the tongue is bent out of the plane of the frame to facilitate insertion of the material and to avoid damage thereto. In the form shown in Fig. 6, the lower end 10 of the frame is kinked out of the general plane of the grip for the same purpose. In the form shown in Fig. 8, the end 10 of the frame is similarly kinked out of the plane of the rest of the grip and the slot 16 is median, continuing into a pair of curved slots 17. Specification 150,515 is referred to.
Patent GB-785929-A (GB)
Title: Improvements relating to fabric tentering and drying machines
Inventor: MOHRING GUSTAV
IPC: D06C3/00
Filed: 1956-08-02
Abstract: 785,929. Drying fabrics. FAMATEX GES. Aug. 2, 1956, No. 23887/56. Class 34(1) In a tentering and drying machine for webs of material, the web B, Figs. 1, 2, is fed between slot nozzles 4 in boxes, 1, 2 supplied with drying air by fans 5, 6 respectively, heaters 12, 13 and filters 14, 15 being arranged on the suction sides of spaces 11 between the nozzles. The filters are provided with automatic cleaning means comprising a vacuum chamber 16 connected to suction mouthpieces 17 movable across the filters and supported by guides 19. In operation, the drying air is blown by fan 5 into the box 1 and through the nozzles on to the web and collects in the spaces 11 from which it is exhausted by fan 6, being cleared and heated before being blown on to the web via the box 2. The box 2 and lid 24 can be turned hingedly upwards to facilitate clearing and a joint surface 26 automatically makes a sealed closure between duct 10 and the box 2 in its lowered position. In a modification, a movable filter and fixed mouthpiece are used.
Patent GB-805871-A (GB)
Title: Spot welded joints and method of making the same
IPC: B23K11/20
Filed: 1955-08-19
Abstract: 805,871. Welding by pressure. SIGNALSTAT CORPORATION. Aug. 19, 1955 [June 9, 1955], No. 23947/55. Class 83 (4). In welding a high carbon spring steel member 10, e.g. a flasher vane, to a cold rolled mild steel member 15, e.g. a support bracket, the members are superposed, a first spot weld 20 is made between the members, a piece 25 of nickel, platinum or an alloy of nickel or platinum is placed against the member 10 and the piece is spot welded to the members by a second spot weld 35 immediately adjacent the first spot weld The weld area is elongated and the second weld assists in resisting turning of the members about the first weld. Specification 761,713, [Group XXXII], is referred to.
Patent GB-1498798-A (GB)
Title: Photographic paper support
IPC: G03C1/79
Filed: 1975-05-22
Abstract: 1498798 Formaldehyde sequestrant-containing paper KODAK Ltd 22 May 1975 [30 May 1974] 23993/74 Heading G2C [Also in Division B2]  A photographic sheet material comprises a support consisting of paper coated on each side with a layer of formaldehyde-permeable, waterimpermeable resin, having a formaldehyde sequestrant incorporated in the paper and/or one or both resin layers, the support being coated with at least one photographic layer containing a formaldehydesensitive addendum. The formaldehyde sequestrant may be dimedone, melamine, urea or sodium sulphite, and may be applied as a coating, e.g. a size, to the paper or may be incorporated in the resin, or both. The resin layer is preferably a polyolefin, e.g. polyethylene, containing a white pigment. The resin-coated support is provided with red-, green- and blue-sensitive gelantine silver halide emulsion layers containing respectively cyan-, magenta- and yellow-dye forming couplers. Formaldehyde is added to the blue- and red-sensitive emulsions before coating, as a hardener. The formaldehyde sequestrant serves to protect the formaldehyde-sensitive dye-forming couplers from deterioration caused by the formaldehyde.
Patent GB-806073-A (GB)
Title: Improvements in or relating to instruments for the manipulation of dangerous liquids
IPC: G01N33/00
Filed: 1956-08-07
Abstract: <PICT:0806073/III/1> An instrument for the manipulation of dangerous liquids, particularly radioactive liquids, comprises a pipette 14, a support 3 for the pipette, a conical part 16 integral with the pipette and engaging in a corresponding conical recess in the support, and at least one opening 22 providing communication between the interior of the pipette and a passage 12 leading to a pump for sucking liquid into the pipette.  The pump is formed by a piston 7 sliding in a cylindrical recess 2.  Attached to the part 3 is a long tube 1 through which passes rod 8, the pump being operated by handle 9.  As shown, the conical part 16 is a downward extension of a receptacle 13 surrounding the pipette.  Any liquid overflowing through aperture 19 at the top of the pipette passes into space 18 and does not reach the pump.  Figs. 2-6 (not shown), illustrate alternative constructions in which (a) receptacle 13 is omitted and the top of the pipette communicates with the interior of the conical part through an external tube; (b) an annular shield is provided above the opening 22; (c) the top of the pipette 14 is connected by a bent tube to the conical part 16; (d) the conical part 16 is arranged at the top of the pipette.
Patent GB-513410-A (GB)
Title: Improvements in or relating to the manufacture of wire fabric
IPC: B21F27/04
Filed: 1938-02-07
Abstract: 513,410. Making wire fabrics. BLASHILL, A. E. Feb. 7, 1938, No. 24139/39. Divided out of 510,948. [Class 83 (11)] In a machine for making wire fabric of quadrangular mesh in which lengths of wire fed from two sources are wound into zig-zag form on a flat rotary former and interlaced with the last rows of the already finished fabric, the former bar is separate from the. main driving shaft of the machine and a second separate shaft driven from the main shaft is provided to actuate the other parts of the machine, the said bar and second shaft being operated alternately under the control of a clutch operated by a trip mechanism driven from the main shaft. Wire 15 is wound into helical slots round a flat rotary former bar 14 and then passes into a slotted tube 20 where it is interlaced with the fabric which is fed step-by-step over' a plate 3, under a roller 6, over star feeding-wheels 4, under a roller 8 and on to an intermittently rotatable shaft 9. The driving mechanism comprises a main shaft 36 geared to a clutch shaft 10 which is in turn geared to the high speed shaft 11 of the former bar 14 and to a single revolution shaft 12 which operates the wheels 4 and shaft 9. Associated with the driving mechanism is an endless chain 26 passing over a sprocket wheel 27 and roller 28 and. carrying a dog 32 adapted at each revolution to abut against a trigger 33 to effect disengagement of the clutch 25 of the shaft 10 so as to disconnect the shaft 11 and. also to engage a clutch to rotate the shaft 12.
Patent GB-734654-A (GB)
Title: Improvements in sign or type wheels
IPC: G09F13/00
Filed: 1953-09-01
Abstract: 734,654. Ciphering machines. HAGELIN, B. C. W. Sept. 1, 1953 [Nov. 17, 1952], No. 24169/53. Class 146(2). [Also in Group XVI] A wheel for a ciphering machine has at least one annular row of signs or type 8 separated from one another in the circumferential direction and mounted so that they may each be shifted into any other position within its row without being removed from the wheel. The type-wheel 4 is fitted with a flange 9 having a series of teeth 10 forming slots for taking the type 8. An annular ring 11 having similar teeth 12 is rotatably mounted on the wheel 4 so that after a type has been transversely moved into the ring 11 it can be rotated to a position where the type is to be placed. The type may be held in position by spring loaded balls mounted inside the type carrier and engaging grooves in the wheel 4, or alternatively by a single row of balls resiliently mounted in the wheel 4 between the two rows of slots so that the type are urged one way or the other. The wheel may comprise three rows of type on the peripheral surface of a wheel or roll, or the type may be arranged on the end face of a wheel in which case the separate signs or type are shifted radially for interchanging their positions.
Patent GB-1361683-A (GB)
Title: Grab hooks
IPC: B66C1/34
Filed: 1971-06-30
Abstract: 1361683 Hooks AMERICAN CHAIN & CABLE CO INC 30 June 1971 [30 June 1970] 24171/71 Heading E2A A grab hook comprises shank and prong portions 1, 2 connected by a bridging portion 3 which define a throat 5 through which a chain is passed, seating surfaces 6, 7 being provided on each side of the hook for the chain links 9, 10 which are disposed adjacent to the link 8 located in the throat 5, Fig. 3. Due to the abutment of the links 9, 10 with the said surfaces 6, 7 the link 8 does not bear against the bridging portion 3. The seating surfaces 7 diverge outwardly from each other so that the spacing therebetween increases towards the bridging portion 3.
Patent GB-463321-A (GB)
Title: Improvements in refractory bodies and materials and process for making same
Filed: 1935-09-21
Abstract: Refractory bodies particularly for use in the construction of glass tanks and consisting essentially of crystals of corundum in p  a glassy matrix are made by adding a not readily soluble fluorine-containing substance to a mixture consisting substantially of alumina and silica and/or compounds thereof, a portion of these being in plastic form, and firing a body formed of the mixture at 1350-1770 DEG  C.; the alumina-silica ratio in the mixture should be high enough, the firing temperature low enough and the quantity of fluorine-containing substance large enough to ensure substantial absence of mullite crystals in the bodies. Fluorine-containing substances specified are fluorspar, cryolite, lepidolite, sodium silicofluoride, magnesium fluoride, fluoride opal glass or mixtures thereof.  The alumina-silica ratio is preferably 4 or over and the firing temperature below 1630 DEG  C.; however, when 5-10 per cent fluorspar is added the alumina-silica ratio may be 3 : 5 or over provided the firing temperature is not above 1600 DEG  C., and when 6-10 per cent cryolite is added the alumina-silica ratio may be 2 or over provided the firing temperature is not above 1700 DEG  C. Numerous examples are given in the Specification.  In one example, a body containing about 85 per cent corundum is produced by firing at 1510-1520 DEG  C. a mix consisting of ball clay 20 per cent, alumina 72 per cent and cryolite 8 per cent in which mix the alumina-silica ratio is 7 : 3; in another a body containing about 82 per cent corundum is produced by firing at about the same temperature a mix consisting of bauxite 93 per cent and cryolite 7 per cent in which mix the alumina-silica ratio is 5 : 8.  The refractory bodies may be made directly from the raw materials, but it is preferred to make a grog from the mixture according to the invention and then to make the body from the grog bound with the same raw materials.
Patent GB-258432-A (GB)
Title: Improvements in holders for labels or visiting and like cards
IPC: A45C11/18
Filed: 1925-09-29
Abstract: 258,432. Middleton, W. J. Sept. 29, 1925. Label holders.-A holder for labels, visiting cards &c. is formed from a sheet metal blank by turning up the sides 1, 2 and one end 3 to form a frame. At the other end of the blank a groove 5 is formed to enable the cards to be withdrawn from the frame by finger or thumb. A chain 9 carrying a swivel or snap hook 7 is attached to a hole 6 in the holder, and the end 3 is preferably perforated to allow the escape of rain water.
Patent GB-598831-A (GB)
Title: Improvements relating to domestic wash boilers and washing machines
IPC: D06F1/00
Filed: 1945-09-20
Abstract: 598,831. Washing-boilers. PHILLIPS, Ltd., A., and HALL, S. C. Sept. 20, 1945, No. 24321. [Class 64 (i)] [Also in Group VIII] Relates to a domestic wash-boiler having a water vessel or pan 7 attached to, and depending from, the underside of a top plate 5a, which is incorporated in the boiler 6 and has an aperture 5 furnished with an inwardly-directed peripheral flange 5d serving for the location of a removable cover or lid. According to the invention a draining tray in the form of a perforated shallow dish-like device 4 is arranged to extend partially and horizontally across the vessel or pan 7 above the level of the water therein, its upper edge having a flange 4b adapted to rest upon a ledge 5b on the inwardlydirected flange 5d on the top plate 5a. The tray 4, which is adapted to receive articles for draining after they have been treated in the boiler, is of substantially semi-circular or segmental shape in plan. The ends of the ledge 5b on the top plate are provided with upward projections 5c to serve as stops for positioning the tray. Alternatively, the ledge 5b may extend completely around the periphery of the aperture 5 and be provided at spaced points with projections for locating the tray at either side of the aperture. The bottom of the tray is provided with draining holes 4e, and additional holes may be arranged in the sides 4b, 4c of the tray. If the removable cover is convex on its underface, the top edge of the straight side 4c of the tray may be shaped to accommodate the adjacent part of the cover.
Patent GB-221654-A (GB)
Title: Improvements in and relating to key-board wage-paying and other money delivering machines
IPC: G06C25/00
Filed: 1923-10-01
Abstract: 221,654. Burdick, C. L. Oct. 1, 1923. Money-delivering apparatus. - In a machine of the coin tube type, having receiving bars with spring clips for paper money, the money is ejected into a shoot 2 by ejectors 3 which are operated by keys 4 and keybars 4<a>. Each key and bar also operates a typing bar 10 so placed that the type will fall in columns on a paper strip to indicate the total value of money delivered. A separate kev 4 is provided for each whole number of pounds, shillings and pence, bars 4<a> operable simultaneously with the button keys 4 representing ten shillings, sixpence and a halfpenny. Each key 4 and 'bar 4<a> is connected to a rod 5 with arms 6 from which wires run to shafts 8 to operate the ejectors. Wires 7<a> run to bell cranks 9 to operate the typing bars 10. Rotary movement is given to the shafts 5 by spiral grooves 11 and a cross-bar 12 on the key shafts, the bar 12 fitting a straight groove on the casing 13.