baber/WOPTO huggingface dataset:
Patent GB-944878-A (GB)
Title: Mounting of electric motors in ducts
Inventor: WAINE WILLIAM HENRY
IPC: H02K5/00
Filed: 1961-08-22
Abstract: 944,878. Mounting electric motors. WOODS OF COLCHESTER Ltd. June 22, 1962 [Aug. 22, 1961], No. 30285/61. Heading H2A. An electric fan motor is mounted in a duct 21 by means of metal strips 15 secured to the front and back feet of the motor, and having bent-up ends receiving adjustable radial stays 18. An additional stay 23, screwed into the lifting-eye-bolt hole, may also be used. Any other tapped holes in the motor body may also be used to receive stays.
Patent GB-896415-A (GB)
Title: An apparatus for the conversion into two potentials of an alternating current generated by scanning rotating bodies
IPC: G01M1/22
Filed: 1958-09-23
Abstract: 896,415. Measuring dynamic unbalance electrically. AVERY Ltd., W. & T. (Schenck Maschinenfabrik G.m.b.H., Carl). Sept. 23, 1958, No. 30294/58. Class 40 (1). [Also in Groups XL (b) and XL (c)]  Apparatus for producing two quadrature sinusoidal voltages synchronous with a rotating shaft, for use in dynamic unbalance measuring systems, comprises a ring 2 (Fig. 1), mounted on the shaft, having half of its surface black and half white, whereby the light from a lamp 1 reflected from its surface to a photo-cell 3 consists of rectangular pulses of equal mark-space ratio, at the correct frequency, which pulses are modified to produce the required quadrature sinusoidal voltages. As shown, the rectangular pulses are fed through a peak limiter 4, an integrator 5 to obtain a triangular waveform, a further integrator 6 to obtain a first substantially sinusoidal waveform, and a third integrator 7 to obtain a second substantially sinusoidal waveform in quadrature with that obtained from the previous stage 6. In another embodiment (Fig. 8), the triangular voltage from 5 is fed to a converter 10 with a non-linear characteristic producing a substantially sinusoidal waveform, and also to a peak limiter 8 giving a trapezoidal waveform, which is integrated at 14 to give a triangular waveform and fed to a second converter 15 similar to 10 to give a second substantially sinusoidal waveform in quadrature with that from converter 10.
Patent GB-691554-A (GB)
Title: Improvements in or relating to vibration dampers
IPC: F16F15/173
Filed: 1950-12-12
Abstract: 691,554. Torsional-vibration dampers. HOUDAILLE-HERSHEY CORPORATION. Dec. 12, 1950 [June 13, 1950], No. 30327/50. Class 108 (iii). In a viscous-type torsional-vibration damper having a flexible connection between the vibratory mass 32 (Fig. 2) and an inertia mass 35, a viscous damping medium is interposed between the inertia mass 35, and a housing 33 connected by spring means 31 to the mass 32, the viscous medium being in series with the spring means 31. In the construction shown in Fig. 2, the housing 33 is bolted to the end of a torsion bar 31 connected to a crank-shaft 32. The bar 31 is supported in a bearing 48, the upper part of which may be removable for access to the bar 31. Instead of a splined connection the homing 33 may be connected to the bar 31 by a flange or integral connection. In the construction shown in Fig. 3, the housing 33 is bolted to the flanged end of a tubular torsionspring 56, the other end of which is rigid with an end of a torsion bar 55. The other end is secured to a crank-shaft 52 and provides a seat for a bearing 67 for the damper end of the torsion tube 56. Relative movement of the tube 56 and bar 55 is prevented by dowels 64. In a modification, Fig. 4 (not shown), shear stress of the flange in the bolts connection between the torsion bar 55 and the crank-shaft 52, is prevented by the provision of a spigot and by the interposition of dowels spaced alternately with the bolts. In this construction, a pair of torsion-vibration damper assemblies 50 mounted back-to-back are bolted to the torsion tube 56. In a further modification, Fig. 5 (not shown), the torsion tube 55 is short compared with the length of torsion bar 55 and no bearing 67 is provided. In the construction shown in Fig. 7, a ring 123 bolted at 129 to the part to be damped, is connected to the damper 120 through a rubber annulus 122. In each of the constructions above described, the damper itself is of the form shown in Fig. 7 and comprises a housing 121 in which is contained an inertia mass 127. The space between the mass 127 and the internal surfaces of the housing is occupied by a silicone liquid. In operation, the torsional-vibration damper deals with normal vibrations, while natural-frequency vibrations occurring at one particular speed of operation, are overcome by reaction with the torsion spring which is tuned accordingly to deal with the frequency concerned. Specifications 636,881 and 638,755 are referred to.
Patent GB-1270703-A (GB)
Title: High-power hammer
Inventor: MAKHTJUK IOSIF LVOVICH
IPC: B21J7/24
Filed: 1969-06-16
Abstract: 1,270,703. Hammers. VORONEZHSKOE SPETSIALNOE KONSTRUKTORSKOE BJURO GIDRAVLICHESKIKH I MEKHANICHESKIKH PRESSOV. 16 June, 1969, No. 30378/69. Heading B3H. A power hammer comprises a block 3 mounted on springs 2 and a ram 12 whose rod 9 extends into a high fluid pressure chamber 6 and has a flange 14 which is engaged by a lifting mechanism to raise the ram after a downstroke. The mechanism comprises a cylinder 7 with a hollow piston 15 and a solid piston 17. The hollow piston has apertures for balls 16 which can be urged outward by a cam surface 18 on the piston 17 to interengage the rod 9 and the hollow piston. The chamber 6 is preferably filled with high-pressure gas and the lifting mechanism operated hydraulically. In operation the ram is held raised by the balls 16 which are urged outwards by a cam face 18 in the piston 17. Hydraulic fluid is supplied to a space 22 to lower the piston 17 to release the rod and the ram moves under the gas pressure. After the stroke a space 21 is supplied with hydraulic pressure to lower the hollow piston. The spaces 22, 21 are exhausted in turn so that the pistons 17, 15 are raised by the gas pressure to raise the ram. The stroke is adjusted by changing the initial position of the hollow piston 15 by supplying fluid to the space 21.
Patent GB-971976-A (GB)
Title: Polymerization inhibitor for olefinic monomers
IPC: C08J11/02
Filed: 1963-07-31
Abstract: The formation of popcorn polymers from olefinic monomers is inhibited by the addition of a N,N1-dialkyl hydroxylamine in which each alkyl group contains up to five carbon atoms. Preferably 0.001-5% by wt. of inhibitor is added to the olefin. The inhibitor is particularly valuable in the recovery of monomers from a butadiene or butadiene-styrene latex by flash evaporation, distillation or steam stripping.ALSO:The formation of popcorn polymers from olefinic monomers is inhibited by the addition of a N,N-dialkyl hydroxylamine in which each alkyl group contains up to five carbon atoms. Preferably, 0.001-5% by weight of inhibitor is added to the olefin. The inhibitor is particularly valuable in the recovery of monomers from a butadiene or butadiene-styrene polymer latex by flash evaporation, distillation or steam stripping.
Patent GB-420466-A (GB)
Title: Improvements relating to pens, pencils and the like
IPC: B43K5/12
Filed: 1933-11-01
Abstract: 420,466. Pyroxylin tubes. DEHN, F. B., 103, Kingsway, London.-(Parker Pen Co. ; Court Street, Janesville, Wisconsin, U.S.A.) Nov. 1, 1933, No. 30401. [Class 99 (ii)] [See also Groups XV and V] The tubular barrel of a fountain pen, pencil, or the like is made from a composite block of material comprising thin lamina. tions united together, the laminations being of different degrees of opacity, so that thin layers of translucent material alternate with thin layers of more opaque material. The composite block comprises sheets 1, 2 of pyroxylin of different colour and opacity and if desired of different thickness, suitably united by a solvent and by rolling, and the pen or like barrel may be formed by boring out tubular portions as at 5, 13, which are subsequently formed into pen barrels having alternate transverse rings, or longitudinal strips of contrasting appearance. Alternatively, the barrel may be formed by slicing the block into ribbons which are wound helically on a mandrel, the meeting edges being united by acetone or other solvent. The rings may also be inclined to the barrel axis or arranged spirally thereto.
Patent GB-268686-A (GB)
Title: Improvements in or relating to gas burners for cooking, heating substances, or similar purposes
IPC: F23D14/04
Filed: 1926-12-02
Abstract: 268,686. Nuttall, H. Dec. 2, 1926. Atmospheric gas burners.-In burners of the kind in which the burner outlets are fed by a plurality of sets of horizontal distributing chambers connected to separate mixing-chambers and some or all of the individual chambers of each set are arranged between the individual chambers of another set or other sets, all the chambers extend right across the burner and are divided into three sets, three mixing-chambers being situated below the chambers and connected to the respective sets by means of upwardly projecting conduits. In one form, the mixing-chambers 2, 3, 4 are attached by means of flanges 5 to three castings. The casting attached to the mixing-chamber 2 has divergent conduits 8, 9 communicating through vertical conduits 10 - - 12 with distributing chambers 13 - 15, each provided with burner-heads 34. The casting attached to the mixing-chamber 3 has vertical conduits 16, 17 leading to chambers 18, 19 communicating through extensions 20, 23 respectively with chambers 22, 25, each chamber being provided with burner-heads 35, the third casting has divergent conduits 26, 27 leading through vertical conduits 28 - - 30 to chambers 31 - - 33 provided with burner-heads 36. The burner-heads 34 - 36 are displaced relatively to one another and smaller heads 37 may be provided to assist in the uniform distribution of heat. The chambers 13, 15, 31, 33 are supported by the extension 20, 23, lugs 38, 40 being provided for securing the three castings together.
Patent GB-833382-A (GB)
Title: Improvements in achromatic optical systems
IPC: G02B5/04
Filed: 1957-09-30
Abstract: 833,382. Optical systems. BAUSCH & LOMB OPTICAL CO. Sept. 30, 1957 [Oct. 8, 1956], No. 30510/57. Class 97(1) An achromatic system comprises a light dispersing prisn and a pair of space( diffraction gratings the blaze of one grating being deviated ir an opposite directior to the blaze of the other grating to produce a residual dispersion compensating for the dispersion of the prism. The two gratings may have different grating constants and be arranged with their rulings parallel, and the prism may be of the Fresnel type. Alternatively, as shown in Fig. 2, two diffraction gratings 22F and 22R, having the same grating constants and disposed in a cell 17 so as to be parallel to one another and to a Fresnel prism 23, are relatively rotated during assembly to incline their line structures relatively to one another, so that with the grating blazes oppositely deviated the diffraction of prism 23 is compensated. Two such prism and grating systems may be arranged in a Risley mounting for relative rotation in opposite directions (Fig. 5, not shown).
Patent GB-1497679-A (GB)
Title: Data processing systems
IPC: G06F17/30
Filed: 1975-07-22
Abstract: 1497679 Data processing INTERNATIONAL COMPUTERS Ltd 22 July 1975 30535/75 Heading G4A In an associative searching system a plurality of comparison units operate in parallel to perform comparisons between each item of data read from a storage arrangement and respective key values, the results of the comparisons being evaluated in a unit comprising a plurality of stored-program-controlled processing elements, one for each of the comparison units, the elements operating in parallel to perform logical operations on the comparison results from their respective comparison units and on the results of the logical operations of the other elements. The evaluation unit may include a common control unit which broadcasts instruction addresses to the instruction store in each processing element to read out instructions for execution. The control unit may also include an index table addressed by a channel number identifying which one of a plurality of memory channels is currently being evaluated to provide a start address for a corresponding instruction sequence. The processing elements may be coupled in sequence to pass the processing results from one element to the next and each broadcast instruction address may control the selection of one processing element to broadcast its results to all the other elements. The results from the processing elements may also be weighted and summed. The disclosure is identical with that of Specifications 1,492,260; 1,497,676; 1,497,677 and 1,497,678.
Patent GB-687681-A (GB)
Title: Improvements in or relating to props, especially pit props
IPC: E21D15/32
Filed: 1950-12-15
Abstract: 687,681. Pit props. ESSEN-BOTTROPER HANDELGES, [trading as SCHWARZ KOMMANDIT-GES., H.]. Dec. 15, 1950 [Dec. 22, 1949], No. 30624/50. Addition to 686,675. Class 20(ii) A telescopic pit prop comprises a clamping collar formed in two parts 3, 4 the cross-sectional area of each of which diminishes towards each end. The clamp grips the upper prop part 2 and is retained on the upper edge of the lower prop member by claws 7, 8 engaging grooves in the clamp. The clamp is tightened by bolts and nuts 13. In a modification one bolt is replaced by a bolt secured by a wedge cotter. Extension 15 on each clamp engages a recess in the other clamp to close the gap between the two parts of the clamp. In one modification the two clamp parts are hinged together.
Patent GB-682597-A (GB)
Title: Improvements in electrical socket contact members
IPC: H01R13/18
Filed: 1949-11-29
Abstract: 682,597. Two-part couplings. ARNOLD, C. L., DOWSETT, R. W., SHARMAN, A. V., and M. K. ELECTRIC, Ltd. Nov. 6, 1950 [Nov. 29, 1949], No. 30641/49. Class 38 (i). In a socket contact 1 of the kind exemplified in Specifications 402,474, 420,700, 426,903, 483,579, and 506,546, and comprising a split socket having parallel resilient jaws 2, 3 and an inextensible band 5 which, when it is placed over the jaws to encircle them, prevents their undue expansion, the band is deformed at 6a so as to engage permanently one jaw 2. The band 5 may be provided with a projection 6 which is inserted in an aperture 4 in the jaw 3 and the band when slid into position is deformed to produce the projection 6a entering an aperture 4 in the jaw 2. The apertures 4 can be extensions of U-shaped cuts 8 which provide spring tongues 7 as described in Specification 682,595. The band is prevented from slipping down the socket by ribs 2 on the jaws. Both projections can be made on the band after it is on the socket and if desired more than two projections may be used on the band.
Patent GB-970754-A (GB)
Title: Jaw crusher
IPC: B02C1/04
Filed: 1962-08-09
Abstract: 970,754. Jaw crushers. SCHUCHTERMANN & KREMER-BAUM A.G. FUR AUFBEREITUNG. Aug. 9, 1962 [Nov. 16, 1961], No. 30655/62. Heading B2A. The movable jaw of a crusher is protected against damage due to overload by the-use of a yieldable support which is held by a spring 16 in the working position between the jaw and its abutment, the support having an articulated rod system, the interlinked members 1, 2 of which in a slightly bent-in extended position under the influence of a compression spring 3, are supported by their heads 11, 21 in sockets 4, 5 provided respectively in the jaw B2 and abutment 6. As shown in Fig. 3, the member 1 is pivoted at its lower end on the member 2 by a pin K while its upper end is connected via a two-part buffer spring 3a, 3b, to the other end of the member 2 by a pin B. When overloading occurs due to uncrushable material entering the crusher, the jaw B2 compresses the spring 3 to such an extent that the pivot A is carried over the centre to a position beyond the plane E-E where the spring continues to turn the member 1 and cause its head 11 to fall from the socket 4 ; catches may be provided on one or both the sockets to prevent the support from dropping out of the crusher. Adjustment of the spring 3a, 3b is effected by screwed pins 12a, 12b co-operating with sliding members 13a, 13b and washers 14a, 14b of varying thickness are provided to compensate for reduction in the dimension X.
Patent GB-1072468-A (GB)
Title: Hydraulic blade control
IPC: E02F3/84
Filed: 1965-07-19
Abstract: 1,072,468. Earth-moving machines. G. G. TURNER (Caterpillar Tractor Co). Julv 19. 1965, No. 30662/65. Heading E1F. [Also in Division G3] A motor grader blade 24 is automatically maintained at a preselected slope by a hydraulic servo system comprising a hydraulic sensing means associated with the blade which controls the supply of hydraulic working fluid to a valve housing 39 having a first position which prevents fluid flow to actuate hydraulic lift jacks 19 secured to the blade structure and a second position in which the fluid supply is connected to one of the jacks. The hydraulic control circuit is controlled by the sensing means which comprises a blade slope simulator (not shown) and a valve 47 controlled thereby so as to allow fluid pressure through either of connecting conduits 46, 52 to the valve housing 39 to move a slidable, spring-urged member 58 therein to allow fluid from any selected conduit 36, 37 or 38 to pass through the housing to actuate either of the jacks. A manual override member 77 is also included in the system. The sensing means may be adapted to cooperate with a series of grade stakes joined by wire.
Patent GB-370845-A (GB)
Title: Manufacture of esters of sulphonated aromatic carboxylic acids of the benzene series
IPC: C07C303/22
Filed: 1931-03-30
Abstract: As emulsifying agents may be employed the esters of aromatic sulpho-dicarboxylic acids or their salts which are manufactured by esterification or reaction of a sulphonic acid or a sulphonate of an aromatic dicarboxylic acid of the benzene series or a substitution product thereof, or an anhydride, halids or ester thereof, such as sulphonic acid of phthalic or isophthalic acid or anhydride, a sulphoterephthalic acid, a sulpho-4-chlorophthalic acid or a 4-sulphophthalic acid trichloride, with a compound containing a phenolic hydroxyl group or groups or a derivative of such a compound, which compound or derivative contains no alcoholic hydroxyl group. Examples describe: (1) the product of reaction of b -sulphophthalic anhydride with p-cresol (the product being neutralized); (2) the sulphonic chloride obtained by carrying out the reaction of (1) with the addition of phosphorus oxychloride.  Phenol is also specified as a starting material. Specification 350,425 is referred to.ALSO:Esters of aromatic sulpho-dicarboxylic acids of the benzene series or their salts are manufactured by esterification or reaction of a sulphonic acid or a sulphonate of an aromatic dicarboxylic acid of the benzene series or a substitution product thereof, or an anhydride, halide or ester thereof, such as a sulphonic acid of phthalic or isophthalic acid or anhydride, a sulphoterephthalic acid, a sulpho-4-chlorophthalic acid or a 4-sulphophthalic acid trichloride, with a compound containing a phenolic hydroxyl group or groups or a derivative of such a compound, which compound or derivative contains no alcoholic hydroxyl group.  The esterification may be effected in the presence of agents tending to accelerate esterification, such as hydrogen chloride gas or concentrated sulphuric acid.  Instead of starting with a sulphonic acid chloride, this may be produced during the esterification, for example by the use of phosphorus oxychloride. The esters may also be made by double decomposition, for instance by causing an ester of a lower alcohol to react with a higher alcohol. The sulphonic acid may be in the form of the sulphonation mass obtained by heating the parent material with sulphuric anhydride under pressure and removing the greater part of the excess of sulphonating agent used.  The products are soluble in water and have a pronounced tendency to assist wetting, cleansing, and emulsification.  In examples: (1) b -sulphophthalic anhydride (obtainable by prolonged heating of the free acid under diminished pressure) is esterified with p-cresol and the product neutralized; the product strongly lowers surface tension of solutions, such as carbonizing acid; (2) the reaction of (1) is carried out with the addition of phosphorus oxychloride.  Phenol is also specified as a starting material.  Specification 350,425 is referred to.
Patent GB-159648-A (GB)
Title: Improvements in cabinets for holding gramophone records and the like
IPC: A47B81/06
Filed: 1919-12-09
Abstract: 159,648. Fletcher, F. Dec. 9, 1919. Contents, delivering.-In a cabinet for holding gramophone records &c., the records are placed on inclined sliding shelves or trays A which slide down by their own weight when released by pressing corresponding buttons F. Each tray has lateral extensions A<5> arranged to limit its downward movement, and the second is maintained in correct positon by projections A' and an upturned front edge A<2>. Each button F is arranged to turn a rod having a locking-arm which normally projects into a hole A' in the corresponding tray. According to the arrangement described in the Provisional Specification, the extensions A<5> are omitted, and the movement of the trays is limited bv wires attached to a vertical bar at the back of the cabinet.
Patent GB-302033-A (GB)
Title: Means for automatically controlling the temperature of a suction gas producer
IPC: C10J3/72
Filed: 1927-11-16
Abstract: 302,033. Reading, H. C., and Tulloch, T. G. Nov.. 16, 1927. Producers.-The temperature of a suction gas producer is controlled automatically by a thermostat placed in the hot air or steam supply pipe and which operates a valve in this pipe to admit cold air and keep the temperature of the incoming air and steam constant. Air enters by a pipe b<1>, a vaporizer b and passes by a pipe b<2> to a conduit b<3> in which is a metal strip c of greater coefficient of expansion than that of the conduit b<3>. On rise of temperature this strip causes a bell-crank lever e to be rocked so that a rod e<2> raises a flap valve d and admits cold air. Another rod f raises a tube g<1> having large and small openings g<3>, g<2>, so that the large opening g<3> is uncovered and the water which is delivered by a pipe i to the vaporizer b is increased in flow.
Patent GB-771049-A (GB)
Title: Improvements relating to apparatus for conveying material in bulk
Inventor: ANDERSEN NIELS EDVARD
IPC: B65G25/00
Filed: 1955-10-27
Abstract: 771,049. Step-by-step conveyers. SMIDTH & CO. AKTIESELSKAB, F.L. Oct. 27, 1955, No. 30792/55. Class 78 (1). In the apparatus described in Specification 642,426 for simultaneously conveying material in bulk over a stationary gas-permeable support and subjecting the material to the action of air or other gas passed through it, each pair of bolts 4, which connects the conveying members 3 to the reciprocating beams 5, carries a weight 7 which maintains constant the pressure between the members 3 and their supports 1. Specification 657,454 also is referred to.
Patent GB-1203771-A (GB)
Title: Improvements relating to data storage apparatus
Inventor: LEVESLEY PETER
IPC: G11C17/00
Filed: 1966-07-09
Abstract: 1,203,771. Selective signalling. P. LEVESLEY, L. J. BRADLEY, F.C. BRADLEY and N. E. BRADLEY. 6 Oct., 1967 [9 July, 1966], No. 30941/66. Heading G4H. A constant voltage source 10 feeds a resistor R selected from a group, e.g. by plugs or switches, and level detector 13 allows clock pulses to be fed to counter 12 to reduce the gain of amplifier 11 in steps until the output of amplifier 11 falls below a given level. The values of resistors R are chosen so that they represent decimal digits for example, and are sufficiently different to avoid ambiguous outputs arising from variations in the nominal values within the manufacturing tolerances. The number of pulses fed to counter 12 can be used for control purposes or the state of counter 12 can be displayed. The group of resistors may be arranged in a matrix and individual resistors may be selected in sequence by actuation of row and column switches.