baber/WOPTO huggingface dataset:
Patent GB-751974-A (GB)
Title: Improvements relating to metallisable monoazo dyestuffs and dyeings made therewith
IPC: C09B45/14
Filed: 1954-02-02
Abstract: The invention comprises dyestuffs of formula:-<FORM:0751974/IV(c)/1> where R1 and R2 are carboxyl radicles and X any substituent and the alkali metal salts thereof.  The are made by coupling in an alkaline solution, optionally in the presence of a tertiary nitrogen base, a diazotised 4-substituted - 6 - acylamino - 2 - amino - 1 - hydroxybenzene with a 2 - hydroxy - acylaminonaphthalene monosulphonic and X is preferably a group which has an attracting influence on the pair of electrons linking it to the residue of the component, such groups specified being nitro, cyano, keto, sulphonyl, sulphonic acid, sulphonic acid ester, sulphonamide, carboxyl, and carboxylic acid ester and amide; other groups specified for X being halogen, alkyl and alkoxy.  Preferably X is a non-salt forming group. Specified acids which give rise to R1 and R2 are acetic, propionic, butyric, chloracetic, methoxyacetic, b  - bromopropionic, dimethylacrylic, cyclohexane carboxylic, phenyl acetic, phenoxyacetic, benzoic, chlorobenzoic and furane - 2 - carboxylic acids.  R1 and R2 may also represent carbonic acid half ester residues derived from methyl, ethyl, propyl, butyl and methoxy or ethoxy ethyl alcohols and carbamic acid residues derived from dimethyl- or diethyl-amines. Preferred diazo components are 6-acetylamino-4-nitro-, acetyl-, alkylsulphonyl- and -sulphonodialkylamido - 2 - amino-1-hydroxy-benzenes.  Specified coupling components are acyl derivatives of 1-amino-7-hydroxy-naphthalene - 3 -, - 4 - or - 5 - sulphonic acids, 1 - amino - 6 - hydroxy - naphthalene - 8 - sulphonic acid and preferably 2 - amino - 6 - hydroxynaphthalene - 8 - sulphonic acid. The dyestuffs dye wool from acid baths in red to red-violet shades which become grey to olive green on after chroming.  Examples are provided illustrating the preparation of the dyestuffs the diazo components used being 6-acetylamino-4-chloro-, -acetyl-, -nitro-, -carboxy-, sulpho-, -methylsulphonyl -, - ethylsulphonyl -, phenylsulphonyl-, -31-sulphophenylsulphonyl-, -31-sulphamidophenylsulphonyl-, -sulphonamido-, -sulphondimethylamido-, -sulphondiethylamido-, -sulphonmorpholido-, -sulphonethylphenylamido-, -sulphon - 21 - carboxyphenylamido-, methyl-, methoxy- and -benzoyl - 2 - amino - 1 - hydroxybenzene, 6-carbomethoxy-, -butyryl-, -21furoyl-, -dimethyl-, acrylyl- and b -bromo-propionyl-4-nitro - 2 amino - 1 - hydroxy-benzene and 6 - benzoylamino - 4 - sulpho-2-amino-1-hydroxybenzene and the coupling components are 2-carbomethoxy-, -carboethoxy-, carbutyroxy-, -acetyl-, -cyclohexoyl-, -chloroacetyl-, - b  - bromopropionyl-, -41-chlorobenzoyl-, -phenylacetyl-, -benzoyl-, -phenoxyacetyl-, -21-furoyl- and -dimethyl - carbamyl - amino- 6 - hydroxy-naphthalene-8-sulphonic acid, 1-carbomethoxy-, -carboethoxy- and -acetyl-amino-7-hydroxy - 3 - sulphonic acid and 1-carbomethoxy- and -carboethoxy-7-hydroxy-4 and -5-sulphonic acids and 61-hydroxy-naphthyl-(21)-methoxy- and -ethoxy-ethyl-urethane-81-sulphonic acid.
Patent GB-443773-A (GB)
Title: Improvements in or relating to the manufacture of threads, foils and similar materials
IPC: D06B23/16
Filed: 1934-05-31
Abstract: <PICT:0443773/IV/1> In the treatment of threads, foils, and the like with fluids under pressure, the materials are run from the outer air into an end chamber containing compressed air or other inert fluid, over a positively driven feed device contained in said chamber, and thence through a communication between the end and a treatment chamber directly into treatment fluid under pressure contained in the treatment chamber.  The materials may pass directly from the treatment chamber into the open air, or into a second end chamber which may or may not contain a positively driven feed device. When feed devices are contained in each end chamber, they may be run at different speeds so as to stretch the materials in the treatment chamber.  Again, when two end pressure chambers are employed, the feed devices may be situated outside the chambers. Examples of suitable fluid treatments are treatments with saturated or wet steam, or hot water under pressure at a temperature above 100 DEG  C. so as to stretch the materials and treatment with saponifying fluids under pressure.  The process is particularly applicable to the treatment of materials made of organic derivatives of cellulose.  In Fig. 2, a filament 1 enters the apparatus through an orifice 3, passes around nip rollers 5 contained in an end pressure chamber 4, passes through an orifice 6 directly into the treatment chamber 7 which contains a perforated inlet for the steam 15 and an outlet 18, enters a second end chamber 19 through an orifice 8, passes around nip rollers 9 and finally leaves through the orifice 20.  Each of the chambers is fitted with a pressure gauge and relief valve, and the end chambers are also fitted with a steam trap.  A modified apparatus for liquid treatment is described, in which the nip rollers are situated outside the end chambers.  Specifications 316,521, 318,468, [both in Class 2 (ii)], 389,823, 402,104, 402,105, 402,106, 417,220, 429,103, 429,447, 430,349, 430,350, 430,351, 430,352, 432,027, 432,028, 432,029, 435,806, 437,595, 438,584, 438,585, 438,586, 438,587, and 443,707 are referred to.
Patent GB-563815-A (GB)
Title: Improvements in electrical signalling systems suitable for use in mines or the like
IPC: B66B19/06
Filed: 1943-02-26
Abstract: 563,815. Mine signalling systems. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd., PREIST, T. P., and THOMPSON, G. W. Feb. 26, 1943, No. 3145. [Class 40 (i)] [Also in Group XXXIX] In a signalling system 'particularly for a multi-level pit, it is arranged that the " Men " signal remains displayed until the end of the wind that follows an action signal from the same level, since it may happen that several winds take place before the signal is attended to. A number of signal units, Fig. 1, are provided, one for each level including the bank, and these are controlled by a common cancelling circuit, Fig. 2, in which relay G energizes while the engine is running and operates sluggish relay E. In response to action signals, such as " Raise," Lower," &c., relay C, which controls the display, is unlocked by relay G as soon as the wind begins and relay E makes a fresh circuit for locking in any signal which may be given during the wind. In response to " Men," the switch S moves to position 3 and relay C connects up relay D to light lamps. The latter relay locks over a circuit 21 which is opened only at the end of a wind by the successive relapse of G and E. Moreover, relay C locks independently of the cancelling circuit, so that D remains held over its operating circuit at the end of a wind unless an action signal from the same level has reset the switch S. This feature may be applied to systems of the general type disclosed in Specification 510,612 by providing a second winding on relay C connected in shunt with the operating winding of relay D. The emergency stop key ESK controls relay ES which locks independently of the cancelling circuit so that this signal can only be cancelled by a subsequent action signal from the same level. The operating circuit of relay ES includes a common relay HT which connects up a hooter or other distinctive audible signal and cancels any existing display except a "Men" signal by unlocking relay C. Telephone communication over the code signalling circuit may be provided by connecting grounded telephones of the voice-powered type to terminals 11, 13, with high-frequency generators for calling. The interlock circuit, Fig. 3, is used when there is more than one onsetter at a level. The code signalling key LSK, which is used only by the main onsetter, is ineffective until the assistant onsetters have actuated their keys SK, which control relays OS. The emergency stop keys ESK, ESK1, however, are available at any time to all the onsetters. Switches SW1, SW2 may be actuated to bring the circuits under the exclusive control of the main onsetter. Specifications 193,361, [Class 40 (i)], and 556,860 are referred to.
Patent GB-813695-A (GB)
Title: Improvements in or relating to struts for use between steel mine arches and like constructional members
IPC: E21D11/28
Filed: 1956-02-01
Abstract: 813,695. Mine root supports. ODDIE, J. M., and INGHAM & SONS Ltd., J. Feb. 21, 1957 [Feb. 1, 1956], No. 3149/56. Class 20(2) A steel strut 1 for connecting mine arches of angle T, channel, joist, U, W or tubular section and of rolled, pressed or extruded construction has flangeless and flat faced projections 2 at each end which are longer than the width of the flanges 7 of the girders which they engage. A dimple 9 may be provided at the end of the projections 2 to engage one flange of the arch 7 and force the opposite flange into a cut-away portion 5 of the strut. The projections 2 of tubular struts may be formed by flattening the ends of the tubes. The projections may be integral or attached.
Patent GB-657357-A (GB)
Title: Improvements in and relating to electric timing circuits
IPC: B23K11/24
Filed: 1949-02-04
Abstract: 657,357. Switching systems for resistance welders. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 4, 1949, No. 3152. Convention date, Feb. 7, 1948. [Class 38 (iv)] [Also in Group XL (c)] The invention relates to a timing circuit, particularly for controlling the energization of the leading ignitron 14 of a reversely-connected pair 14, 15 interconnecting a welding transformer 10 and an A.C. source 11, and which circuit ensures that a timing condenser 41 is always charged to the same initial voltage when commencing a timing operation, irrespective of the time in the A.C. cycle at which an initiating switch 45 is operated. The circuit comprises an arc discharge valve 33 having its anode and cathode connected to the A.C. source 11 and having a pair of control grids supplied with A.C. from windings 38, 51 of a transformer 23 fed from the same source. The valve normally conducts each cycle when the voltage induced in winding 38 is approaching a positive peak, due to the self-biassing action of condenser 41 and its associated leak 42, the condenser charging to the peak value each time the valve fires. Opening of switch 45, to initiate a timing operation, causes an adjustably-phased voltage, which, however, appreciably lags the anodecathode voltage, to be applied to the second control grid (previously maintained at cathode potential) from winding 51 and phase-shifter 48, 49. This voltage prevents further conduction of the valve and re-charging of condenser 41 until such time as the self-bias voltage on the other grid has fallen to a value allowing the winding 38 to regain control. The valve then conducts again and so terminates the timing operation. In the welding control system shown, the cyclic conduction of valve 33 when switch 45 is closed maintains a resistanceshunted condenser 20 charged, the voltage across the condenser being applied as negative bias to ignitron 14, which is thus prevented from firing. During the timing operation when valve 33 is held non-conducting, this biassing voltage falls, due to condenser 20 discharging through its shunt 21, and the ignitron is eventually fired by a peaking transformer 31. Ignitron 15 trails ignitron 14, in the manner described in Specification 556,521, unless prevented by closure of the " half-cycle " switch 67. Ignitron 14 ceases to conduct when condenser 20 again re-charges at the termination of the timing operation. Specification 598,290 also is referred to.
Patent GB-251364-A (GB)
Title: Improvements in, and relating to, apparatus for mixing and delivering liquids
IPC: E03D9/03
Filed: 1925-02-04
Abstract: 251,364. Pennell, R. H. L., and Wylie, A. W. Feb. 4, 1925. Mixing fluids in flow.- In apparatus for intermittently supplying liquid stored in a container to a receiver, operated by variations in the liquid level in the receiver through a liquid seal associated with the container and receiver, and in the automatic cleansing and disinfecting of urinals &c., or for other purposes, a permanent liquid seal is employed between the receiver and container. The receiver may be intermittently supplied bv a tip bucket feed, or as shown, by being connected with a flush pipe. The container B is fitted with a supply nozzle F and with a tube G the lower end of which is bent to form a permanent seal H. The receiver A communicates with the flush pipe C by means of a cranked pipe D having a scoop E whereby a portion of the flush water is deflected into the receiver, raising the level of the liquid therein, and, by increasing the air pressure in the container, ejecting a portion of the liquid therein through the nozzle F into the receiver. At the end of the flush, the contents of the receiver are discharged through the pipe D which is fitted with an additional exit e. The pipe D may be turned in its socket to incline the mouth E. and may be fitted with adjustable sleeved orifices l, i, or the orifice l may be gradually closed by a floating. sleeve. The inner end of the pipe may also be fitted with a ball valve whereby the orifice is partiallv closed when the water enters but is opened for discharge. In other forms the tube forms an inverted U and froms a seal in the container B, or extends above the container and connects with a bell forming the seal in the receiver.
Patent GB-1457557-A (GB)
Title: Trading as lamip di aruanno agnela motion picture film projector
IPC: G03B35/24
Filed: 1974-01-23
Abstract: 1457557 Projectors A ANGELA [trading as L A M I P DI ARUANNO ANGELA] 23 Jan 1974 [25 Jan 1973 31 Dec 1973] 3227/74 Heading G2J A projector for endless loop film comprises an aperture 12 for the insertion of a cassette into a housing 13, a translucent wall 11 forming a screen, a light source 16 the light from which is deflected by a mirror 24 on to film frames advanced past a projection gate 14', a motor 28 which drives the spool of the cassette and a rotatable shutter 33, a claw for intermittently advancing the film and driven by a cam follower engaging in a groove of: variable depth provided in the shutter, and two fans 27 and 29 which cool the light source 16 and the motor 28 respectively. After passing through the film frames in the projection gate the light is reflected on to the screen by a mirror 25. This mirror is mounted on a frame 45 which is either slidable or pivotable to remove the mirror out of the light path and allow the image light to pass through an opening 44 and fall on an external screen.
Patent GB-556079-A (GB)
Title: Improvements relating to multi-channel electrical communication systems
IPC: H04J1/06
Filed: 1942-03-12
Abstract: 556,079. Multiplex wireless signalling. STANDARD TELEPHONE & CABLES, Ltd., CHATTERJEA, P. K., and HOUGHTON, L. W. March 12, 1942, No. 3295. [Class 40 (v)] A multiplex signalling system includes an arrangement for generating a series of frequencies equally spaced in the frequency band in which a train of pulses modulates a basic frequency producing a series of modulation frequencies separated by a frequency interval equal to the repetition frequency of the pulses and spreading on either side of said basic frequency. In the transmitting arrangement shown in Fig. 2, 1 is a pulse generator and 2 a sine wave generator the outputs from which are mixed at 3 to give a series of frequencies which are separated by the pulse frequency. For a four channel system, four desired carrier frequencies are selected by filters 4 ... 7 and modulated at 8 ... 11 by signals applied at terminals 81 ... 11<SP>1</SP>. The signals are combined and amplified at 12 and then fed to a radiating system TA12. For a large number of channels, separate final amplifiers and aerials may be used. If it is desired to radiate a very high frequency, the combined signals may be heteradyned by a local oscillator to raise the frequency to the desired value. To send the same signal through all channels, the pulses of generator 1 are modulated in duration, which gives an amplitude modulated signal in the outputs from filters 4 ... 7. A suitable receiver is described, Fig. 3 (not shown) in which the signals of all the channels are amplified together and converted to a series of convenient intermediate frequencies for separation by filters and subsequent detection.
Patent GB-727351-A (GB)
Title: Improvements in electric battery connectors
IPC: H01R11/28
Filed: 1953-02-06
Abstract: 727,351. Couplings. EICHLER, H. G. Feb. 6, 1953 [Feb. 8, 1952], No. 3343/53. Class 38 (1). A battery connector comprises an element 1 of springy metal, a yoke 2 movable longitudinally in grooves 8 in the element arms 5a, 5b, and a lever 3 eccentrically mounted on a pivot pin 6. The element 1 is placed over the pole of a battery and the end of the cable 7 to be connected is pushed in the space 4 between the yoke and the arm 5a. The lever is then pivoted so that it bears on the arm 5b, thus clamping the connector on the battery and the cable to the connector.
Patent GB-747017-A (GB)
Title: Improvements relating to oil burners
IPC: F23D11/24
Filed: 1953-02-06
Abstract: 747,017. Oil burners. BRITISH TRANSPORT COMMISSION, and BOLLEN, P. W. Jan 27,1954 [Feb. 6, 1953), No. 3429/53. Class 75(1). In an oil burner having a single burner body provided with a plurality of fuel feed passages connected through separate isolating cocks to a common fuel supply, some or all of the fuel feed passages give different rates of feed and the isolating cocks are manually operated by the same control member which controls the air supply to the burner whereby the burner can be pre-set to any one of a number of different firing rates with the correct air intake. The burner comprises a jet cap 2 held on a base 1 by a nut 3. Fuel from three fuel pipes 5 passes along bores 6 in the base to recesses 7 in the jet cap and then passes along slots 10 in the surface of the jet cap to enter tangentially conical passages 11 leading to short metered cylindrical discharge passages 12. In a modification the three conical passages 11 are replaced by a single conical passage of larger diameter communicating with the three recesses 7 through metered slots in the surface of the jet cap. The three fuel flows are separately controlled by three plunger valves operated by cams on a shaft operated manually and connected either directly or through gears to a shaft on which is mounted a flap valve in the air inlet of a fan supplying the burner. The cams are designed so that a step by step increase in the rate of firing is effected by rotating the cam shaft. The fuel'is supplied to the plunger valves through an adjustable relief valve, and a fuel return from the delivery side of the relief valve to the intake of the pump is controlled by a valve responsive to the steam pressure of a boiler heated by the burner.
Patent GB-539032-A (GB)
Title: Improvements in or relating to keyboard apparatus
IPC: B41J3/44
Filed: 1940-02-23
Abstract: 539,032. Typewriters &c. CREED & CO., Ltd., THOMPSON, A. E., and SALMON, R. D. Feb. 23, 1940, No. 3431. [Class 100 (iv)] [Also in Group XIX] In keyboard apparatus, for use in typewriters, calculators, and like machines of the kind in which contacts individual to the keys are selected by the associated keys and are actuated by a rotary cam, each key-lever is provided with a slide for selecting and actuating the associated contact. The apparatus may include a keyboard lock and interlock, and a cadence lock. In the apparatus shown in the Figure, each key-lever 106 is provided with a slide 131 having lugs 134 for actuating a contact 102 and co-operating with a locking-bar 135. The contacts are arranged in three rows, and each slide is provided with three lugs so that identical slides can be employed on all the key-levers. The locking-bar 135 is secured to a rock-arm 137 connected by a link 139 to another rock-arm 168 provided with a latch 148 which abuts on a stop 150, and a lever 140 operated in opposition to a strong spring 142 by a cam 20 on a continuously running shaft 169. Lugs 151 cn the key-levers engage a pivoted frame 152 abutting on a link 155 in connection with a detent for a one-revolution coupling in connection with a sleeve mounted on the shaft 169 and provided with cams for performing the required operations. The frame 152 is connected by a spring 167 to a locking-bar 166 which co-operates with bevels on the key-levers. Initially, the locking- bar 135 is below bevels on the right-hand lugs 134 of the slides 131, and depression of the keylevers is prevented until the cam-lever 140 releases the latch 148 and thereby permits a spring 136 to release the locking-bar. Any key-lever can then be depressed in cadence with the shaft 169, the spring-urged cam-lever 140 displaces the link 139, the locking-bar co-operates with right-hand lug to displace the slide 131, and one of the lugs closes the associated contacts. The locking-bar co-operates with a notch 134a to lock the depressed key-lever; and co-operates also with the lugs to prevent depression of the other key-levers. Meanwhile, the link 155 has been raised to permit the cam-sleeve to make one revolution, and the locking-bar 166 has been moved into position for providing an additional lock and interlock for the key-leyers. On release of the key-lever, the locking-bar 135 is released by the spring 136, and springs 130, 132 return the key-lever and the slide 131. Specification 538,912, [Group XXXV], is referred to.
Patent GB-458539-A (GB)
Title: Improvements in nozzle construction
IPC: B05B1/16
Filed: 1936-02-05
Abstract: 458,539. Spray producers. AKRON BRASS MANUFACTURING CO., Inc., Wooster, Ohio, U.S.A. Feb. 5, 1936, No. 3449. Convention date, Sept. 27, 1935. [Class 69 (iii)] An atomizing nozzle of the kind in which a liquid is broken up by a rotary member and discharged in a diffused cone of spray, comprises two coaxial chambers C<1>, C<2>, Fig. 6, each of which contains a rotor 65, 67, the spray from which is delivered through concentric openings 61, 62 to form coaxial cones of spray of different angles. A chamber 27 mounted on a supply pipe 26 is closed by a plate 54 provided with guide openings 71 through which liquid is led to impinge on a rotor 65 mounted on ball bearings 66 supported by a central tube 57. On this chamber 27 is secured a dome 48 provided with a flared outlet 61. The tube 56 carries a second chamber 76 carrying an inner dome 60 within which is a rotor 67 supplied with liquid through passages 71 in a plate 63 and rotating on a central pin 64 which is extended into the flared outlet 61 of the inner dome. The nozzle may be mounted on a branch 25, Fig. 1, having a three-way cock by which liquid may be delivered either to a jet 20, to the atomizer 11 or to both or by which the supply may be cut off. The cock may be provided with a resilient seating 31 and rotated by a key. British Specification 450,819 and U.S.A. Specification 1,996,884 are referred to.