baber/WOPTO huggingface dataset:
Patent GB-214413-A (GB)
Title: Improvements in and relating to sound boxes for gramophones and the like
IPC: H04R7/04
Filed: 1923-03-19
Abstract: 214,413. Legge, A. di. March 19, 1923.. Sound-box cases; horns, arranging. - Soundboxes for gramophones &c. have a cover a on the face forming a resonance chamber c between it and the diaphragm, perforations e, small in area compared with the area of the cover, being provided for the emission of sound. An insulating washer h, having an aperture registering with the sound channel leading to the tone arm, isplaced between the back plate of the sound box and, the casing m. In the modification shown in Fig. 4, the perforations f are formed in the rim of the resonance chamber and small trumpets may be arranged at the outlets to further amplify the sound.
Patent GB-1019525-A (GB)
Title: Improvements in or relating to metal-clad refractory bricks
Inventor: PERKINS HORACE ALBERT
IPC: F23M5/06
Filed: 1964-02-26
Abstract: 1,019,525. Refractory bricks. GENERAL REFRACTORIES Ltd. Jan. 1, 1965 [Feb. 26, 1964], No. 7905/64. Heading F4B. A metal-clad refractory brick comprises a refractory block 1 with indentations 3 along two diagonally opposite longitudinal edges 2 and two L-shaped metal plates 4 each covering two adjacent longitudinal faces of the block and each having along at least one of its two longitudinal edges one or more pairs of tags 5 which register with the indentations 3. The tags of one plate overlie those of the other plate and slots 6 are provided for the insertion of the ends of a copper conductor 7 beneath the tags to facilitate pressure welding by electrodes 8. As shown in Fig. 1, both longitudinal edges of each plate 4 have inwardly bent tags 5 formed by parallel slots. The block is moulded with an L-shaped indentation 14, 15, for a slotted hanger tab 9 which is secured to one of the plates 4 by interengaging tabs 11, 12 accommodated in a further indentation 16. In a modification one longitudinal edge of each plate has two inwardly bent lips each with a tag offset from each of its ends so as to lie flush with one face of the block. The copper conductor is inserted between the lips and the underside of the tabs. The hanger tab may be welded to its overlying plate. All the indentations in the block are formed by projections on two opposed moulding plates.
Patent GB-1526383-A (GB)
Title: Production of dialkylaluminium hydrides
IPC: C07F5/06
Filed: 1977-02-25
Abstract: 1526383 Dialkyl aluminium hydrides TEXAS ALKYLS Inc 25 Feb 1977 [27 Feb 1976] 08031/77 Heading C2J  A dialkylaluminium hydride of formula R 2 AlH where R is methyl, ethyl, n-alkyl or a group -CH 2 -C(R a ) 3  in which R a  is alkyl is prepared by heating R 2 AlR<SP>1</SP>, where R<SP>1</SP> is a group of formula -CHR<SP>11</SP>-CHR<SP>11</SP>R<SP>111</SP> in which one R<SP>11</SP> is H and the other is alkyl and R<SP>111</SP> is alkyl, at 50-220‹ C. The compound R 2 AlR<SP>1</SP> may be obtained by reacting R 3 Al with R<SP>1</SP> 3 Al or R<SP>1</SP> 2 AlH. In examples, hydrides R 2 AlH are prepared in which R is methyl, ethyl, n-butyl, n-octyl and neopentyl. The hydrides in which R is a group -CH 2 -C(R a ) 3  as above are claimed per se.
Patent GB-1358324-A (GB)
Title: Fluid flow control apparatus
IPC: G05D7/01
Filed: 1972-02-22
Abstract: 1358324 Centrifugal blowers GENERAL ELECTRIC CO 22 Feb 1972 [25 Feb 1971] 8093/72 Heading F1C [Also in Divisions F2 and G1] In apparatus comprising a variable flow restriction, e.g. a gas-sampling particulate absorbing filter 10, and a vacuum pump 11, the inlet line 14 to the pump includes a valve 16 controlled in accordance with the pressure differential across aVenturi or orifice 17 and thereby with the flow-rate in the pump discharge line 15. Thus the flow-rate through the apparatus is maintained substantially constant. A pressure indicator 24, an extra filter 25, an exhaust muffler 26 and a flow indicator 27 may be provided.
Patent GB-666894-A (GB)
Title: An improved tool holder for chamfering and facing tube ends
IPC: B23B5/16
Filed: 1949-03-25
Abstract: 666,894. Lathes. CAMERON, R. March 13, 1950 [March 25, 1949], No. 8164/49. Class 83 (iii). A tool-holding device for chamfering and facing tube-ends comprises a carrier, a pair of tool posts radially adjustable on the carrier, and an intermediate roller mounted on the carrier and rotatable about its axis which is parallel to and radially adjustable towards or away from the centre axis of the carrier, the roller being resiliently mounted on the carrier for engaging the inner surface of a workpiece adjacent the chamfering-tool. The facing-tool 21 and the chamfering-tool 23 are oppositely arranged on rests 20 separately adjustable by screws 26. Alternatively the rests may be simultaneously adjusted by means of a single screw with right- and left-hand threads. The tool rests and their adjusting means are supported on a dovetailed slide 12 movable on guides in a carrier member 10. A projection or lug 13 on the slide 12 is engaged on opposite sides by compression springs 15, 15a adjustable by means of nuts 17, 17a respectively, on a screwed rod 16 supported in the carrier or base 10. A roller 24 which may be carried on the rest for the chamfering tool, or may be separately supported is adapted to engage the inside of the workpiece 22 to steady the tool. The carrier 10 and tool-assembly may be rotated or, alternatively, the carrier may be stationary and the workpiece rotated. Copy-turning.-When cutting oval and non- circular workpieces the spring 15 holds the roller against the workpiece in a copying movement, and the spring 15a acts as a buffer when the workpiece is withdrawn.
Patent GB-1432734-A (GB)
Title: Process for the manufacture of trichlorocarboxylic acids esters and  salts
IPC: C07C69/63
Filed: 1974-02-22
Abstract: 1432734 Chlorocarboxylic acid esters HOECHST AG 22 Feb 1974 [23 Feb 1973] 8169/74 Heading C2C [Also in Division C5]  Novel compounds of Formula I wherein R 1  is C 1 -C 4  alkyl and R 2  is C 4 -C 28  alkyl with the exception of 2,2,4-trichloro-decanoic acid ethyl ester, are prepared by reacting a compound of formula with an α-olefin of formula in the presence of a free radical initiator or free radical forming agent, such as U.V. or γ- irradiation, or di-tert. butyl peroxide. The esters of Formula I may be converted to the corresponding acid or salt by known methods.
Patent GB-1336805-A (GB)
Title: Coating composition
IPC: C04B28/24
Filed: 1972-02-22
Abstract: 1336805 Modifying metallic surfaces MATSUSHITA ELECTRIC WORKS Ltd and KANSAI PAINT CO Ltd 22 Feb 1972 [22 Feb 1971 22 Dec 1971] 8192/72 Heading C7U [Also in Division C4] An aqueous coating composition which may be used on metal surfaces comprises (A) a watersoluble silicate selected from (1) silicates of formula M 2 O x SiO 2  wherein M is an alkali metal or a group -N(CH 2 OH) 4 , -N(C 2 H 4 OH) 4 , or -C(NH 2 ) 2 NH, and x is 0À5-5 (2) silicates as in (1) modified with at least one fluoride and/or silicofluoride of Ca, Al, Mg, Zn or Zr, or (3) silicates as in (1) modified with at least one oxide and/or hydroxide of Al, Ca, Mg, Zr, V, Zn or Cs, and (B) a phosphate hardener selected from (a) phosphates of formula M i O j mP 2  O 5  wherein M is Al, Mg, Ca, Mn, Zn, Fe or Cu, i is 1 or 2, and j is 1 or 3, and m is 0À25-4 or (b) condensed phosphates prepared by heating a phosphate (a) with at least one double oxide of Zn, Mg and/or Ca with a transition or GpIII or IV metal e.g. T, Al, or Fe, the phosphate (a) or (b) having been pre-treated with at least one silicate of type (1) (2) or (3) before being mixed with component (A). The modified silicates are obtained by heating 0À5-30 p.b.w. fluoride, silicofluoride, oxide or hydroxide with 100 p.b.w. silicate (based on the dry, non-hydrated silicate), and the condensed phosphates by heating 0À2- 1À5 p.b.w. double oxide with 1 p.b.w. simple phosphate, optionally in the presence of siliceous material e.g. SiO 2 . The phosphate or condensed phosphate is mixed with a silicate or modified silicate in water, optionally with a dispersant, until the slurry or paste has a pH of 5-9À5, as the pre-treatment before mixing with (A). The coating composition may also include inorganic pigments and/or fillers, e.g. ferric oxide, titania, chrome oxide, clay, bentonite, sand,calcium carbonate, gypsum, furnace waste or mica, and may constitute a paint, primer, or printing ink. Hardening at 150-250‹ C is required.
Patent GB-637058-A (GB)
Title: Improvements in or relating to universal joints
IPC: F16D3/30
Filed: 1948-03-22
Abstract: 637,058. Universal joints. GIRLING, Ltd., and MACE, T. K. March 22, 1948, No. 8377. [Class 80 (ii)] In a universal joint of the " Tracta " type, as described in Specifications 282,051, [Class 80 (ii)], and 426,532, one intermediate member a has a peripheral groove b for engagement with the driving or driven fork (not shown) and a transverse slot c for receiving the tenon of the other intermediate member (not shown). Mounted in recesses in the side walls of the slot c are part-cylindrical bearing pads d retained in position by arcuate ribs e, their bearing surfaces being slightly proud of the slot wall. The pads, rockably disposed in the recesses, align themselves with the flat surfaces of the tenon thereby spreading the load from the rigid corners of the tenon during bedding down. In modifications, the pads may alternatively be retained by an axial pin, sufficient clearance being given to permit rocking movement, or opposed pads, joined by a bridge piece may comprise a single part, which may or, may not be pivoted on the intermediate member. The bearing pads may also be part-spherical in shape, and may alternatively be housed in the tenon to engage the flat walls of the slot. They may be of die-hardening metal-chrome steel, bronze or antifriction material.
Patent GB-943208-A (GB)
Title: Improvements in or relating to liquid-flow ball-joint connectors
IPC: B05B15/06
Filed: 1960-03-09
Abstract: 943,208. Pipe joints. H. SHAMES, and S. J. SHAMES. March 9, 1960 [March 9, 1959], No. 8401/60. Heading F2G. [Also in Division B1] A ball connector 10 for connection to a liquid, flow-restricting, discharge device comprises a bored ball 34, or a hollow ball 176 having inlet and outlet apertures 174, 178, and an annular coupling nut 56 which receives the ball so as to permit relative pivotal movement between them, the nut having rigid circular means, e.g. a shoulder 66 or a split-ring, at or near one of its ends for firmly engaging the ball so that the portion of the ball of greatest dimension is disposed between the ends of the coupling nut. The latter has an internal circumferential groove 62 containing a sealing ring 64 arranged to engage the ball on a peripheral circle located between the equatorial plane of the ball and the circular area of contact between the ball and the circular means on the nut. As shown in Fig. 1, a coupling part 40 for connection to a faucet includes a part 42 screwed into the bore 38 of the ball 34, a fluid-tight joint being made by a gasket 44. In modifications, (a) engagement between the ball 106, Fig. 5, and the nut 76<1> is afforded by the provision of a split ring 90<1> housed in a circumferential groove located outwardly of the groove 62 and theball is pressed into sealing relationship with the O- ring 86<1> by a conical coil spring 112, or a washer-type spring member 116 having inwardly extending and resilient radial fingers 128, (b) the ball has a stem screwed directly into a faucet, and (c) a hollow ball 176, Fig. 9, is formed integrally with a discharge spout.
Patent GB-1415144-A (GB)
Title: Tape cartridge
IPC: G03B21/43
Filed: 1974-02-25
Abstract: 1415144 Tape cartridge MICROFILM RECORDING CO Ltd 25 Feb 1974 [30 March 1973] 8432/74 Heading B8M A tape cartridge comprises a chamber rotatably receiving a spool 40 bearing a tape 50 and a leader 52, the leader 52 being wider than tape 50 and having marginal edge portions projecting outwardly beyond the film, the chamber having a pair of oppositely disposed end walls 16, a pair of oppositely disposed winding shoulders 32 aligned to receive the marginal edges of the leader 52 and spaced to permit the tape 50 to pass therebetween and passage means 28 opening into the chamber to afford access to the leader. As shown the cartridge comprises two halves 12 having circular side walls 18 with faces 20 which abut one another when the cartridge is assembled. Shoulders 32 are formed integrally with end walls 16. In an unillustrated embodiment shoulders 32 are formed on annular rings disposed radially outwardly from the outer edges of side walls 18, so as to permit the use of a reel having side walls (flanges). As shown cylindrical spool 40 has circular recesses 42 which receive bearing surfaces 36 of spigots 34 and a square cross-section passage 44 extending along the longitudinal axis. A drive shaft may pass through passages 38 in spigots 34 and passage 44 in spool 40. A drive wheel 48 of the recording apparatus may be positioned in passage 46 or in the main passage 28 to move out the leader 52 followed by tape 50. Preferably the length of the leader is less than twice the circumferential length of shoulders 32 to avoid the leader binding upon itself when engaged by drive wheel 48.
Patent GB-1488957-A (GB)
Title: Apparatus for electric pulse stimulation
IPC: A61N1/34
Filed: 1975-02-28
Abstract: 1488957 Pulse stimulators STIMULATION TECHNOLOGY INC and A C HYMES 28 Feb 1975 [1 March 1974] 8448/75 Heading A5R An apparatus for treating pain or inducing the return of arrested body function, resulting from surgical or accidental trauma, comprises a pulse generator, Fig. 4, producing e.g. square pulses, at a repetition rate of between 10 and 300 pulses per second, the pulse width being variable between 50 and 1000 microseconds, at least one current source connected to the pulse generator and supplying current adjustable in the range of between 10 and 80 mA amplitude independently of a load connected thereto, and at least one pair of flexible, elongate electrodes 10, 11, Fig. 1, e.g. of aluminium foil with an insulative backing of clear vinyl material, connected to the current source and each having a current conduction area of 3 to 30 square inches, the electrodes being secured to the skin of a patient within a localized area of trauma during the use of the apparatus, as shown (Fig. 1). Preferably, an electrically conducting gel is applied to the electrodes. The frequency of the rectangular pulses produced by a free running multivibrator comprising transistors Q 1 , Q 2 , is controlled by a variable resistor R3, whereas the pulsewidth is adjusted by varying the time-constant of an RC network comprising a variable resistor R11 and a capacitor C4. Transistors Q6, Q7, and Q8 amplify the pulses appearing at the base of the transistor Q6, and a potentiometer R15 adjusts the amplitude of the pulse.
Patent GB-163548-A (GB)
Title: Magneto-electric machine having a fixed permanent magnet and a fixed armature
IPC: H02K21/38
Filed: 1920-03-22
Abstract: 163,548. Reddie, L. N., (Olivetti & Co., Ing. C.). March 22, 1920. Inductor machines. - In magneto-electric machines of the kind comprising a fixed armature 17 through the core 13 of which magnetic flux is oscillated by two inductors 1, 2 mounted on a shaft 5 so as to rotate between the poles of the permanent magnets 9, the inductors are mounted directly on the non-magnetic shaft 5 and rotate in a partly enclosed cylindrical space formed by the pole-pieces 11, 12 of the permanent magnet and the turned-down ends 14, 15 of the armature core, each of the pole-pieces 11, 12 being arranged so as to be bisected by the horizontal plane through the axis of the shaft 5, and the ends of the armature core embracing the upper parts of the peripheries of the inductors. The pole-pieces 11, 12 may occupy only a, narrow central position to co-operate with overlapping ends 3, 4 of the inductors, as shown in Figs. 10 and 11, or the pole-pieces may extend across the permanent magnets to co-operate with inductors of the shape shown in Figs. 13 and 15. In the construction shown in Fig. 11, the ends 3, 4 of the inductors are set in laminated rings 38, 39. Rotatably adjustable segments 36, 37, Fig. 10, are provided in known manner for regulating the spark intensity.
Patent GB-566208-A (GB)
Title: Improvements in electric lamp fittings
IPC: F21V19/00
Filed: 1943-05-28
Abstract: 566,208. Lamp-holders. REVO ELECTRIC CO., Ltd., and REEVES, F. H. May 28, 1943, No. 8546. [Class 38 (i)] A lighting fitting having a heat-deflecting baffle c<1> secured to an upper plate b has a neck portion d fitting between recessed seatings c<4>, b<4> on the baffle and the upper plate and containing terminals f to which the supply leads are connected, the neck portion having a lateral opening d<3> covered by a shutter k that can be displaced by a circumferential sliding movement to give access to the terminals. An earthing screw b<3> is also located in the neck portion. Ribs c<3> on the baffle strengthen the flange c<1> and radiate heat.
Patent GB-269317-A (GB)
Title: Improvements relating to reflectors for cycles or other vehicles
IPC: B62J6/20
Filed: 1926-03-30
Abstract: 269,317. Ashby, F. March 30, 1926. Reflectors.-Rear reflectors for cycles &c. comprising a red glass reflector device secured by a separate back plate within the flanged opening of a frame or holder are provided with means for attaching the reflector to the mudguard or other part and for maintaining the reflector in a vertical position. The reflector 1 is fitted within a central flanged opening of a surrounding frame or holder 2 having a wide annular white or polished surface, and is held in the frame by a back plate 3 flush with the frame 2, secured by lugs 4. This back plate 3 carries a pair of rearwardly extending horizontal arms 5 bent to form ears 6 adapted to receive the bolts of a clamping bar 8 by which the device is secured to a mudguard 9. The upper edge of the back plate is bent backwards to form a plate 10 with a curved edge which rests against the mudguard to retain the reflector vertical. In ia modification the arms 5 are dispensed with and the plate 10 is extended and bent downwards in a sloping direction to meet a similar strip bent upwards by which the reflector is bolted to the mudguard &c. A further modification carries an upward extension of the frame to form a flat circular disc painted white.
Patent GB-308794-A (GB)
Title: Improvements in induction electric motors
IPC: H02K1/16
Filed: 1929-03-18
Abstract: 308,794. Surjaninoff, M. March 28, 1928, [Convention date]. Alternating-current induction machines.-The stray fluxes which circulate in the stator core of an induction motor are reduced by increasing the reluctance of the path for the stray fluxes or by the provision of auxiliary fields. In the case of a bi-polar polyphase motor, Fig. 4, the working flux #8 passes through the air gap and rotor 3 whereas the leakage flux # circulates in the stator core 1 only. To reduce the leakage flux, slots 4, Fig. 5, may be formed in the outer periphery of the stator core. Alternatively, the slots may be cut through to the air gap. In a modification, Fig. 7, one or more single phase auxiliary coils 6 are arranged in the stator in such a way that the leakage flux is diverted into the air gap. The coils are preferably displaced 90 electrical degrees with respect to the main winding conductors which carry current of the same phase. According to the Specification as open to inspection under Sect. 91 (3) (a) the slots 4 may be inclined to the rotor axes to the extent of one pole division. In the form shown in Fig. 9 (Cancelled), auxiliary windings 11, 12 carrying continuous current are arranged on the rotor to divert the leakage flux into the rotor. This subject-matter does not appear in the Specification as accepted.
Patent GB-277243-A (GB)
Title: Improvements in cavity walls
IPC: E04B1/70
Filed: 1926-12-01
Abstract: 277,243. Barton, C. H., and Mayson. Dec. 1, 1926. Building blocks, special shapes of.-Blocks A are formed with grooves M. N, Fig. 2, on all four edges, the grooves M being adapted to engage keys on the frame members of the wall, or to receive wood or metal keys or grouting for interconnecting the blocks. The grooves N are for draining or air-circulating purposes. If desired, tongues may be provided on certain edges of the blocks to engage the grooves M. The blocks A are also recessed either centrally or at the ends in order to fit over the posts B of the frame. Corner blocks, having a height equal to that of two courses of blocks A, are provided with grooves adapted to be engaged by tongues J on adjacent blocks A. Blocks in the bottom course are rabbeted as in Fig. 5 to fit over a sill C and leave a space X, which communicates by openings W, Y with the outside and cavity R.
Patent GB-423138-A (GB)
Title: Improvements in and relating to carburettors
IPC: F02M19/025
Filed: 1934-03-21
Abstract: 423,138. Spray carburetters. CHANARD, A., 280, Avenue de Paris, Rueil, Seine et Oise, France. March 21, 1934, Nos. 8936 and 8937. Convention dates, March 21, 1933 and March 2, 1934. [Class 7 (iii)] Fuel is sprayed through a hole or holes forming an outlet of a chamber in which the fuel is maintained at all times at a constant level above such hole or holes the cross section of which is so small as to prevent flow therethrough when the engine is at rest, but not to prevent flow immediately a small suction is produced. Fuel is maintained at a constant level B-B in a chamber c at the lower end of which is a thin plate a perforated by one or several minute holes e. When suction occurs the fuel is delivered to the air stream through a conduit h. In a modification air is admitted to the fuel before it issues through the spraying hole or holes. In a further modification, Figs. 5 and 8, a carburetter comprises two blocks A, B secured by bolts. The block A contains a number of rows of Venturi tubes v to which fuel is fed through channels m and orifices n, the outlets of the Venturis being controlled by a shutter R. A plate a with numbers of small holes e is inserted between the blocks, and at one side of the plate fuel is maintained at a constant level N-N, above the holes e, by an overflow device D.
Patent GB-771808-A (GB)
Title: A process for dyeing aromatic linear polyester fibres and a dyeing assistant therefor
IPC: D06P3/66
Filed: 1954-03-29
Abstract: In the dyeing of aromatic linear polyester fibres with dispersed acetate dyestuffs, improved results are obtained by treating the fibres before or during dyeing with 2 - oxydiphenyl in the presence of Turkey Red oil and an alcohol sparingly soluble in water, such as benzyl alcohol or pine oil.  The T-oxydiphenyl, Turkey Red oil and the alcohol may be compounded into a dyeing assistant for addition to a pretreatment bath or to the dyebath. Numerous examples are given.
Patent GB-229894-A (GB)
Title: Improvements relating to road vehicle electric lamps
IPC: B60Q1/26
Filed: 1924-04-10
Abstract: 229,894. Howes &. Burley, Ltd., and Curnow, A. J. April 10, 1924. Vehicle and like lamps.-The bulb holder h of an electric lamp, particularly for motor cycles, is secured to a rubber or other flexible disc f, which is secured over an aperture b in a. number plate a by a flanged ring c on the lamp body and screws g. A cylindrical perforated cover d containing a glass e is secured to the ring c. In a modification, as shown in Fig. 3. the disc f is secured to the opposite side of the plate a by means of a ring i and screws g, which may secure also the ring c to the plate a. The flanged ring c or the ring i may be formed with a peripheral lip to enclose the outer edge of the disc f.