baber/WOPTO huggingface dataset:
Patent GB-1302257-A (GB)
IPC: H02K13/14
Filed: 1970-05-22
Abstract: 1302257 D.C. electric motors MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 22 May 1970 [28 May 1969(4) 10 Nov 1969] 25000/70 Heading H2A [Also in Division G3] The armature of a small D.C. motor, usable e.g. in record players, tape recorders and car sterios, includes a core having an auxiliary pole 44 without an armature coil and main poles 43, 43<SP>1</SP> each having a respective armature coil 42, 42<SP>1</SP>, and a commutator 48 the number of whose segments 49...51 is at least equal to the total number of main and auxiliary poles. The two coils shown are supplied from a D.C. source 54 via brushes 52, 53 and are V- connected between the three segments with the interposition of the contacts 46, 47 and 46<SP>1</SP>, 47<SP>1</SP> of a speed controlling governor 45 secured to the shaft. The speed may be controlled by a series transistor (see Division G3).
Patent GB-709061-A (GB)
Title: Improvements in or relating to pipe couplings
IPC: F16L19/028
Filed: 1950-10-13
Abstract: 709,061. Pipe couplings. TEVES, A., TEVES. H., and TEVES, E. A., [trading as TEVES MASCHINENUND. ARMATURENFABRIK' KOMMANDIT-GES., A.]. Oct. 13, 1950 [Oct. 31, 1949; May 5, 1950], No. 25071/50. Class 99 (1). [Also in Group XXII] The threaded bore 9 of a coupling member has at its inner end a conical recess 10 which convergingly tapers in a direction away from the outer end of the bore, and the preformed outwardly-flared end of a pipe 11 is clamped against the recess by a nut 12 screwed into the bore. The included angle of the recess may be between 100 degrees and 180 degrees, and the flare on the end of the pipe may make an angle of less than 90 degrees with the recess before deformation of the flared end by the nut. In a modification, the end of the pipe has a concertina-like flange.
Patent GB-359111-A (GB)
Title: Improvements in constructional toys
IPC: A63H33/10
Filed: 1930-08-22
Abstract: 359,111. Toys. BENTON, H. J., Evanson's Buildings, Telegraph Road, Heswall, Cheshire. Aug. 22, 1930, No. 25078. [Class 132 (iii).] A constructional toy is composed of sections D each comprised of two pasteboards glued together, an unglued margin E being left round the edges. Metal connecting- tongues A are removably inserted in these margins to join the sections together. The pasteboards are joined together at their edges by wire staples C inserted at intervals, the distance between the staples being sufficient to allow the tongues to be inserted in the margins. In the case of narrow sections the. boards are held together by staples alone. Specifications 23769/02, [Class 132, Toys &c.], and 26707/12, [Class 132 (iii), Toys], are referred to.
Patent GB-1255362-A (GB)
Title: Alignment apparatus
IPC: G01B11/14
Filed: 1969-05-16
Abstract: 1,255,362. Optical alignment. PERKINELMER CORP. 16 May, 1969 [20 May, 1968], No. 25164/69. Heading H4D. Specification describes a development of an alignment apparatus in which with the remote object 14, Fig. 1, and its reflecting means 16 so aligned with respect to the transmitted laser beam 12, that the laser beam 36, Fig. 2, is reflected back along its path to fall on the photocell array 30, as beam 39, the reflective coating on the dumper mirror 25 and the reflecting means 16 form an interferometer whereby the transmitted and reflected beams interface and produce fringes which, falling across the photo-cell array, impair the determination of alignment. To prevent such interference, means is provided to cause the transmitted and reflected beams to have different planes of polarization. Such means may comprise a  wave plate 42 formed on the face of beam splitting prism 38. Such plate causes linear polarization of the laser beam, to be changed (Fig. 3b) into circular polarization and reconverts the reflected circularly polarized beam to one with linear polarizator in a plane orthogonal to that of the transmitted wave.  With the simple prism of Fig. 3b half of each incident beam is lost at the beam splitting surface 40. The prism may be so formed, Fig. 3c (not shown), that it transmits light plane polarized in the plane of the transmitted beam and totally reflects light at surface 40 the reflected light being plane polarized in a plane orthogonal to that of the transmitted beam.
Patent GB-1424266-A (GB)
Title: Process for producing condensates
IPC: C09D167/00
Filed: 1973-05-25
Abstract: 1424266 Alkyd resin-addition polymer condensates VIANOVA KUNSTHARZ AG 25 May 1973 [26 Feb 1973] 25212/73 Headings C3R and C3P A process for the preparation of a condensate suitable for use as a paint vehicle comprises reacting (a) 30-90% by weight of an oil modified or oil-free alkyd resin having a hydroxyl number of from 40 to 250 mg. KOH/g. with (b) 10-70% by weight of a resin obtained by the polymerization of unsaturated monomers having a content of 0.3 to 2À0 m-equivalents/g. of resin solids of N-alkoxymethyl carboxylic acid amide groups, at 100‹ to 180‹ C. in the presence of a solvent. The examples describe producing condensates from (a) alkyd resins derived from (i) soya oil fatty acid, phthalic anhydride and pentaerythritol, (ii) sunflower oil fatty acids, dehydrated castor oil fatty acids, glycerol and phthalic anhydride, (iii) soya bean oil, pentaerythritol, glycerol and phthalic anhydride and (iv) dehydrated castor oil, trimethylolpropane and phthalic anhydride, and (b) a resin obtained from (i) methylmethacrylate,n-butylacrylate styrene and N-butoxymethylmethacrylamide, (ii) styrene, methylmethacrylate and N-butoxymethylmethacry]- amide or (iii) styrene, butylacrylate, methylmethacrylate, acrylamide, acrylic acid, butanol and paraformaldehyde, wherein the N-alkoxymethyl carboxylic acid amide groups are formed in situ. The condensates may be combined with pigments and optionally melamine resin to give paints.
Patent GB-382988-A (GB)
Title: An improved fertilizer and destroyer of moss
IPC: C05D11/00
Filed: 1931-09-08
Abstract: A fertilizer and destroyer of moss comprises a mixture consisting solely of soot and lime in substantially equal proportions. Specifications 154,057 and 313,946, [both in Class 81 (i), Disinfecting &c.] are referred to.ALSO:A fertilizer and destroyer of moss comprises a mixture consisting solely of soot and lime in substantially equal proportions.  Specifications 154,057, [Class 111, Sewage &c.], and 313,946, [Class 81 (i), Disinfecting &c.], are referred to.
Patent GB-296678-A (GB)
Title: Improvements in or relating to radio and the like receivers
IPC: H03D3/12
Filed: 1928-09-03
Abstract: 296,678. Marconi's Wireless Telegraph Co., Ltd., (Assignees of Usselman, G. L.). Sept. 1, 1927, [Convention date]. Receiving systems and apparatus ; thermionic detectors ; multiplex signalling.-Wireless receivers for frequency - modulated waves are Tendered insensitive to amplitude modulation by applying the incoming wave to a pair of circuits tuned on either side of the operating frequency range, the voltages developed in these circuits being combined in phase opposition, as by them to the grids of push-pull connected rectifying valves. Automatic means' may be provided for maintaining the tuned circuits at their correct frequencies in spite, of accidental variations, e.g., in the mean carrier frequency. As shown in Fig. 1. the incoming wave is applied to two differently-tuned circuits 4, 6 which are connected in push-pull relation to the grids of two leaky-grid detectors 12, 14. The circuits 4, 6 are tuned to frequencies F1, F2, Fig. 2, on opposite sides of the mean carrier frequency Fm. The modulation range is indicated by the shaded portion CD on Fig. 2. As the input frequency varies, the voltage response rises in one of the tuned circuits, and falls in the other, producing corresponding changes in the plate current of the valves. As the plates are connected to opposite ends of the primary coil of the output transformer 16 an additive effect is produced in the secondary coil. The combination of the two resonance curves gives a symmetrical and substantially straight resultant characteristic, thereby avoiding distortion, harmonic production and intermodulation. Variation of amplitude of the incoming wave would cause the grid voltage to change in the same sense in both valves, and no effect would be produced in the secondary of transformer 16. The plate current variations flow to the transformer 16 through condensers 32 which are in shunt to electromagnets 30 through which the plate direct current passes. These magnets act oppositely on an armature 34 which functions as a reversing relay for an electromotor 40. If the tuning of the circuits 4, 6 is not equidistant from the mean received frequency, the magnets 30 are unbalanced and the motor 40 is started up in the correct direction to adjust both tuning condensers (or other tuning elements) until a balance is restored. The condensers can be adjusted separately by hand by loosening a slot connection 24, or bv movement of the normally-fixed condenser vanes In a slightly modified circuit (Fig. 3, not shown) anode-bend detection is employed, the condensers 32 are omitted, and the HT supply B is taken to the inner ends of both magnet coils 30, which are directly in parallel with the transformer 16 and the bye-pass condenser 18. The modulation imposed on the carrier wave may be a complex wave composed of several lower frequencies, each of which constitutes a separate signalling channel. At the receiving end the frequency of the carrier wave may be reduced by heterodyning before it is applied to the tuned circuits 4. 6.
Patent GB-364039-A (GB)
Title: Improvements in or relating to knitting machines
IPC: D04B25/02
Filed: 1930-08-28
Abstract: 364,039. Knitting-machines. HOLMES, H. H., ROBINSON, R. H., and WILDT & CO., Ltd., Adelaide Works, Leicester. Aug. 28, 1930, Nos. 25292/31, 25293/31, and 25294/31. [Class 74 (ii).] A curved strip 34 is secured to the thread-feeder cam box 27 of a circular machine having warp or wale thread feeders 22 so that as it is moved past the feeders a length of warp thread, sufficient for wrapping around the needle, is drawn from each of the bobbins. A curved wire 35 forming a second thread draw-off means may also be secured to the cam box 27 for drawing off thread to form the needle loop. Means may be provided for adjusting the device 35 in unison with the adjustment of the ground knitting loop. In a straight bar machine with fixed needles the warp threads may be drawn from the supply by a bar 97, Fig. 16, which moves in the direction shown by the double arrow. Means comprising a ring 37, which may be arranged either inside or outside the circle of warp threads 40, may be provided for taking up slack in the yarns. An externally arranged ring may be of rubber or other flexible material. The warp thread is preferably supplied from a reel-type bobbin, provided with a friction pad or like for tensioning the thread, and having a thread-guiding device formed by a bent-up wire, and the warp thread-guides are mounted upon a head carried upon an adjustable support so that they can be raised or lowered or moved laterally of the knitting-machine, as described in Specification 364,108. Specifications 327,958, 327,987, 327,988, 328,026, and 339,991, [all in Class 74 (ii), Knitting &c.], also are referred to. According to the second Provisional Specification, the means for adjusting the feeder-head may be applied to the adjustment of a rib dial, transfer head or other head or dial associated with the main needlecylinder.
Patent GB-501934-A (GB)
Title: Improvements in or relating to automatic tuning in radio receivers
IPC: H03J7/16
Filed: 1937-09-18
Abstract: 501,934. Automatic tuning correction. COLE, Ltd., E. K., and MARTIN, A. W. Sept. 18, 1937, No. 25354. [Class 40 (v)] In a radio-receiver having a noise suppression or muting system such as described in Specification 430,743, the muting potential is utilized to control the A.F.C. system whereby the latter is operative only on signals of predetermined strength. In Fig. 1, V is an I.F. amplifier to which A.V.C. voltages are applied and the cathode circuit of which includes a resistance 5 in series with a relay winding 6. On weak signals the relay is energized by the high anode current of V, the A.F.C. system then being short-circuited at 11; on tuning in a strong signal, the valve current falls sharply due to the A.V.C. action and the armature 8 closes a second relay circuit 10 to act as a brake on a magnetic disc 12 on the shaft of the tuning condenser assembly 4. At the same time the A.F.C. circuit is rendered operative. The tuning scale 1, Fig. 2, comprises a number of concentric scales, one for each wave range, the tuning positions of powerful stations on which the A.F.C. device will be operative being marked by movable studs or clips 2 ; 3 is the tuning control member. The relay winding 6 may be included in the cathode circuit of a muting amplifier as described in Fig. 1 of Specification 430,743. Fig. 3 (not shown) of the present Specification reproduces this figure with the inclusion of the relay winding. In a modification, the brake relay 10 may be actuated directly.by the anode current change in the valve V. Specification 451,346 also is referred to.
Patent GB-941744-A (GB)
Title: Improvements in or relating to antibiotically active reaction products
IPC: C07D487/14
Filed: 1961-07-13
Abstract: Antibiotically active reaction products are produced by reacting a compound selected from Mitomycin C and related antibiotics designated a , b , g 1, and g 2 with an amine, the reaction being continued until the product obtained shows ultraviolet absorption and chromatographic Rf numbers differing from the starting material and further reaction does not produce significant changes therein. The antibiotics a , b , g 1 and g 2, which may be produced by strains of Streptomyces verticillatus, are described in the Specification.
Patent GB-650226-A (GB)
Title: Improvements in or relating to cardboard and like partitions for boxes, trays and the like
IPC: B65D5/49
Filed: 1948-09-29
Abstract: 650,226. Boxes. LAIRD & SON, Ltd., J., KING. J. A., and WILLS, S. Sept. 29, 1948, No. 25398. [Class 18] Inter-engaging divisions or partition members for a box or the like are made from two layers of cardboard or other material, slots of considerable width being cut in each layer so that when the layers are placed together the slots in the respective layers are out of register to such an extent that a narrow slit is formed through both layers for inter-engaging the partitions. A longitudinal partition is formed from a single blank, Fig. 1 comprising two panels 1, 2 and a flap 3 separated by scoring lines 4, 5. Slots 6, 7 and portions 9 are punched out from the blank, the slots 6 having triangular openings 8 and the slots 7 joining the portions 9 by slits 10 forming flaps 11. The panels 1, 2 are folded together to form the partition and the flap 3 glued over, the slots 6, 7 overlapping to form narrow slits. A lateral partition is formed from a blank, Fig. 3, in which elongated offset slots 19, 20 are punched out from panels 14, 15 and triangular and diamond slots 23, 22 are provided in alignment with a part 21 separating the slots 19, 20. The blank is folded to form narrow slits as before and the partition may then be interengaged by means of the narrow slits, the parts 11 and 22, 23 forming a locking device, Figs. 2, 4 and 5 (not shown). If desired the flaps 3 and 16 for glueing the layers may be dispensed with.
Patent GB-338867-A (GB)
Title: Improvements in boiler cleaners
IPC: F28G3/16
Filed: 1929-08-21
Abstract: 338,867. Fairweather, H. G. C., (Whittemore, Hulbert, Whittemore, & Belknap). Aug. 21, 1929. Drawings to Specification. Metal tubes; cleaning, fluid-pressure processes for.-A soot blower tube for boilers is formed of a tubular steel core which is coated on both sides with a thin layer of aluminium, the latter being adapted to alloy with the steel when the tube is located within the boiler and is subjected to the heat thereof. The steel tube is first cleaned by sand-blasting and then pickled in an acid bath, whereupon it is immersed in a solution of calcium chloride and then dried. It is finally dipped in molten aluminium at a temperature of approximately 1600‹ F. for 20 seconds which provides it with a, coating of about 0.04 inches thick. A thickness of aluminium sufficient to alloy with all the steel of the tube may be obtained by repeatedly dipping a tube of reduced size into molten aluminium at a relatively low temperature. The tube in this case may be heated in a furnace prior to installation in the boiler to cause partial or complete alloying of the aluminium and steel.
Patent GB-798942-A (GB)
Title: Journal bearing for a railroad car
IPC: B61F17/22
Filed: 1956-08-21
Abstract: 798,942. Oil seals. CLEVITE CORPORATION. Aug. 21, 1956 [Sept. 19, 1955], No. 25503/56. Class 122 (5). [Also in Group XXXIV] Sealing means 27 are mounted in an annular groove 26 in the end of a bearing housing 20 and comprise a lip portion 29, which overlaps a lip on the housing, and a portion which is held in engagement with the journal 11 by a spring device 28.
Patent GB-277186-A (GB)
Title: Improved apparatus for producing oxyacetylene mixtures for use in spraying metals and other fusible material
IPC: B05B7/20
Filed: 1926-10-14
Abstract: 277,186. Carpmael, W., (Soc. Italiana per la Metallizzazione). Oct. 14, 1926. Blowpipe burners.-In apparatus for melting and spraying metal and other fusible material, acetylene is supplied at ordinary pressure through a passage 13 to an annular chamber 12 in a bodypiece and oxygen is supplied under a pressure of 4 to 5 atmospheres through a passage 6, 8 and a regulating cock 7 to a restricted orifice 8<1> in a nozzle or, dome-shaped head 10 projecting from the base' of the chamber 12. The oxygen issues from the nozzle 10 into a passage 15 on a member 14 leading to the burner 3 and draws acetylene into the passage through holes 17 in a conical recess 16 at the base of the member 14 surrounding the nozzle 10. The burner 3 is fixed to the front of a box 2 and is surrounded by a primary air nozzle 4. The box 2 is fitted with a handle 1 and contains known apparatus for feeding the metal to a central passage 5 in the burner and for adjustment of the blast.
Patent GB-874445-A (GB)
Title: Process and device for the mechanical working of unfelled trees
IPC: A01G23/095
Filed: 1958-08-09
Abstract: 874,445. Removing bark from trees ; tree-felling; sawing. LONGERT, C. L. Aug. 9, 1958, No. 25641/58. Class 145. De-barking. Standing trees, particularly pines, have their branches and bark removed before felling by two interconnected units 1 on op posite sides of the tree, each unit having caterpillar tracks 28, 29 or sharp-edged wheels enabling the units to climb the tree and a cutting chair 47 for cutting away branches or deformations in advance of the caterpillar tracks, and one or more cutting chains E embracing the tree remove bark or branches left by the cutting chains 47. Each pair of tracks 28, 29 is driven by a reversible motor 2 through gearing and universal drive shafts 14 which allow the tracks to be pressed against the tree at the best angle by fluid pressure cylinders 24, 25. The cutting chain 47 in each unit runs over idler rolls 48, 49 and is driven by a motor 54. The main cutting chain E is driven by a motor 39 and passes over idler rollers 33 and 37, being tensioned by a fluid pressure cylinders 30 or springs. To avoid biting into the tree, the chain may have inwardly-pointing rollers rounded at their front faces to facilitate axial movement of the units and the cutting profile of the cutters on the chain may also be rounded. A second chain F running over idler rolls 33a and 38 may be provided, mainly to prevent the units falling if the chain E should break but it may also be provided with cutters and be guided in the same way as chain E by idler rolls 37 ; chains E and F would then run in opposite directions. The two units 1 are connected by telescopicallyadjustable members D and to synchronize their climbing speeds the voltages of the motors 2 may be adjustable or a member D may have a mercury switch which cuts off one motor at a certain degree of tilt. To prevent jamming owing to tilt, links of steel wire may be inserted in the chain to make it flexible in two dimensions. To limit the height to which the units can climb, a switch may be operated when the diameter of the tree falls below a certain limit. For hauling the tree to earth, a rope 61 attached to the unit may pass through a hook driven into the tree by a gun 60 which is provided on each unit. Felling. For felling the tree after the bark and branches have been removed, the chain E may be replaced by a chain with inwardlypointing teeth and by continually tensioning the chain it may saw through the tree from both sides, or, by guiding the chain over one side on additional adjustable rolls, from one side only. Alternatively, the tree may be felled by a device similar to that described but with the unnecessary parts eliminated and the climbing means replaced by clamping jaws.
Patent GB-760449-A (GB)
Title: A device for securing the correct position of valve inserts of valve bags in a valvebag manufacturing machine
IPC: B31B160/10
Filed: 1954-09-03
Abstract: 760,449. Making valve-bags. RAWE, M. Sept. 3, 1954 [Nov. 17, 1953], No. 25648/54. Class 94(2). A bag-making machine is provided with a device for ensuring the correct position of valve inserts, comprising holding means for the valve insert which are moved with the bag in synchronization with the bag conveying means. As shown, inserts 2 are fed on a roll 1 to the bottom of a bag fed in the direction 3. A chain 9 carried by sprockets 5, 6. 7, 8, mounted on a member 4, and carrying pairs of holding pins 10 on each link, is driven through the shaft 22, the member 4 being pivotally mounted at 22 on an arm 12 adjustable about a fixed shaft 13 by means of a clamping screw 14. In operation the pins 10 pierce the bag bottom and the valve insert during the closing of the bag bottom. The member 4 may be lifted out of the operating position and supported by a spring-loaded arm 17.
Patent GB-139130-A (GB)
Title: Improvements relating to sausage-filling machines
IPC: A22C11/04
Filed: 1919-10-20
Abstract: 139,130. Harding, H. J. Oct. 20, 1919. Sausages, machines for making. In a sausagefilling machine of the kind in which the piston f of the meat cylinder a is moved by a pinion j gearing with rack teeth on the piston-rod h, and the pinion j is driven by a worm q and worm-wheel n, the worm-wheel is loosely mounted on the pinion shaft, a clutch t causing them to move together on the power stroke and allowing the pinion to be turned by a hand-wheel m on the return stroke. The cover b of the meat cylinder is detachable from a carrying-rib b<1> pivoted at c and held down by a wing-nut d.
Patent GB-813041-A (GB)
Title: Improvements in hydraulic tracing valve units
Inventor: HAYES GEORGE
IPC: B23Q35/36
Filed: 1954-09-06
Abstract: 813,041. Copy-milling. HAYES ENGINEERS (LEEDS) Ltd. Sept. 5, 1955 [Sept. 6, 1954], No. 25772/54. Class 83 (3). An hydraulic tracer-control valve unit comprises an axially movable valve member 4 moved by a stylus 7 against the force of a spring 8, and a screw 15 and graduations for adjusting such force. A flexible diaphragm 12 seals the hydraulic cylinder 10.
Patent GB-933216-A (GB)
IPC: A47J37/08
Filed: 1961-07-17
Abstract: 933,216. Toasters. H. MAIER, [trading as JOHANNES SCHLENKER MAIER ELEKTROTECHNISCHE FABRIK]. July 17, 1961 [July 22, 1960], No. 25790/61. Class 28 (1). In a toaster, an electric motor 6 running continuously drives a conveyer 25 intermittently via eccentric 8<SP>1</SP>, bell-crank 14, pawl 16 and slipping clutch 19. The travel distance of crank 14, and therefore the conveyer speed and toasting time, is controlled by cam 21, set by an external knob 25. A thermostat on the heating plates 3 controls the starting of the motor 6 which may be spring-driven instead of electric. Connecting-rod 10 can slide in member 12, compressing spring 11, should a piece of bread or other food jam the conveyer.