baber/WOPTO huggingface dataset:
Patent GB-1309198-A (GB)
Title: Electrical terminals for releasable connection to posts and tools for releasing the terminals
IPC: H01R43/26
Filed: 1971-11-08
Abstract: 1309198 Terminals AMP Inc 8 Nov 1971 [25 Nov 1970] 51764/71 Heading H2E A terminal comprises a connector part 2 for connection to a wire, a contact part 3 for releasable connection to a conductive post and a cantilever spring 11 joined to a channel portion 12 of the contact part which has a base wall 50 and side walls 52 folded over to form a platform 56, the spring 11 extending forwardly over the platform and across the forward end 53 of the channel and having an aperture 16 which is in non-alignment with the forward end when the spring 11 is in a relaxed condition, so that in use when a post (19) is passed through the aperture 16 and into the channel the spring is flexed to align the aperture with the forward end 53 and bias the post against the platform 56 and cause an edge 22 of the aperture to bite into the surface of the post. The connector part is formed with two pairs of arms 4, 41 and 6, 6<SP>1</SP> for crimping to the core and insulation of a wire (18), while the channel portion has arms 13 with slots 60 which are folded over to engage ears 61 on a locking part 11a of the spring. The spring has a central bowed part 11b and a latching part 11c with the aperture 16, the spring being dished between the forward free end of the spring and the edge 22 of the aperture to enhance the biting. The parts 2, 3 are laterally offset from each other as shown and linked by a transition part 14, although in another embodiment (Figs. 8, 9, not shown) they are offset in the opposite direction with the transition part extending from the contact part laterally on the same side as the spring, there being a hole (29) in the transition part aligned with the channel part so that a post can extend completely through the channel. In the preferred embodiment the spring is of stainless steel which has a coefficient of thermal expansion less than phosphor bronze from which the rest of the terminal is made. As a result the channel expands relative to the spring during Joule healing to increase the bias of the spring and enhance contact. A tool (Figs. 5 to 7, not shown) for releasing the spring from a post comprises a channel part 8 with hooks (26) for engaging the free end of the spring and a sprung plunger for engaging the connection part to arch the spring clear of the post and release the pressure between the post and the contact part 3.
Patent GB-1447817-A (GB)
Title: Acousto-optical filters
IPC: G10K11/16
Filed: 1974-11-29
Abstract: 1447817 Controlling light HEWLETTPACKARD CO 29 Nov 1974 [18 Jan 1974] 51846/74 Heading H4F An acoustic - optic wavelength selective polarization switch, e.g. of the collinear type is provided with an acoustic terminator comprising a mass of Pb/Au alloy in the range 50/50 to 99/1 by weight, or a mass of Pb/Sn alloy in the range 20/80 to 80/20 by weight, a metallized adhesive layer being disposed between the mass and a surface of the switch. As particularly described the terminator comprises a Cr, Mo or Ti adhesive layer 50-100 thick on the switch surface overlaid with 2000- 3000 of Ni, and then with 2000 of gold. Flux is applied to the gold layer and the switch heated to a temperature 5 to 10 C. above the melting point of the alloy before application thereof. The alloy mass, preferably 0À02 to 0À10cm. thick, is cooled slowly (1 C. per minute) to allow formation of a well orientated structure. The acoustic-optic material of the switch may be LiNbO 3  or PbMoO 4  but is preferably CaMoO 4  or quartz.
Patent GB-520468-A (GB)
Abstract: 520468. Lighting gas burners ; valves. BRITISH FOREIGN & COLONIAL AUTOMATIC LIGHT CONTROLLING CO., Ltd., and GUNNING, J. R. W. Nov. 26, 1938, Nos. 34481/38 and 12024/39. [Class 75 (iii)] [Also in Group XXIX] When a valve in a gas pipe supplying a lamp or other gas-consuming device is slowly opened gas passes, as shown in Fig. 1, through an inlet a and passage b to a port e in a hollow valve d slidable in a chamber g, and then issues through a port h into an outlet k connected to a byepass burner for igniting the lamp. As the pressure in the chamber increases a second valve l is raised to uncover another port n connected to the outlet k to close at m an electrical circuit for igniting the byepass burner. When the gas pressure has risen to its full amount the valve d rises and closes the port e, thereby shutting off the gas supply to the byepass burner and breaking the ignition circuit. The port e is regulable by an adjustable hollow screw f. In a modification shown in Fig. 2 the gas supplied through the passage b causes a hollow piston valve o to rise in the chamber g. During part of its movement gas can pass through a port p in the valve and a passage q in the valve casing to the space above the piston which communicates with the byepass burner and is fitted with a piston l closing the ignition circuit. The valve o is guided by a pin r which may be inclined to regulate the quantity of gas byepassed. The piston l may be replaced by a diaphragm.
Patent GB-1183546-A (GB)
Title: Measurement of Varying Electrical Energy
Inventor: NUELIST HANS
IPC: G01R21/133
Filed: 1968-11-04
Abstract: 1,183,546. Measuring electrical energy. LANDIS & GYR A.G. 4 Nov., 1968 [13 Nov., 1967], No. 52093/68. Heading G4H. To measure electrical energy the voltage U (Fig. 3) is converted into a pulse signal on lead 1, the product of the frequency f 1  and pulse width # 1  of which is proportional to the voltage and the current is converted into a pulse signal on lead 2, the frequency f 2  of which is proportional to the current, these pulse signals being gated by an AND gate 3 (the mean output frequency # 1 f 1 f 2  from the gate being proportional to U.I.) to a reversible counter 29 the direction of count being determined in accordance with whether U.I. is greater or less than zero. Preferably the pulse width # 1  is fixed and only the frequency f 1  varies, the pulse width of one of the signals being very small compared with the other.
Patent GB-1480218-A (GB)
Title: Gasket material
IPC: B29C67/00
Filed: 1973-11-10
Abstract: 1480218 Packing DOWTY SEALS Ltd 28 Oct 1974 [10 Nov 1973] 52281/73 Heading F2B A gasket material is made to resist creep by having a recticular matrix 10 standing proud of discrete areas 11 of highly elastic material. The matrix effects sealing, while the areas 11 bear the forces of compression without creeping, where these exceed what is needed for more sealing. Before being cured, the matrix 10 and areas 11 are separately deposited on a permanent or temporary base in a layer of uniform thickness. On curing, the matrix is expanded by foaming and/or the areas 11 are reduced in thickness by solvent evaporation. When foamed, the matrix may be of epoxy resin, while the areas 11 are of polyester or epoxy containing glass particles as filler. Alternative matrix materials are nitrile rubbers, p.v.c. or silicone resins or rubbers.
Patent GB-1429629-A (GB)
Title: Vehicle brake operating devices and to brake assemblies
IPC: F16D65/56
Filed: 1972-11-14
Abstract: 1429629 Disc brakes; wear adjustment; preventing rattle AUTOMOTIVE PRODUCTS Ltd 7 Nov 1973 [14 Nov 1972] 52544/72 Heading F2E A disc brake with brake pads 16, 17 includes a cylinder 12 containing a piston 24 movable to apply the pad 16 to a disc 10, the retracted position of the piston 24 being adjustable to compensate for pad wear by adjusting the length of an abutment member comprising a screw-threaded stem 27 and an internally screwthreaded sleeve 38 mounted on the stem 27; the piston 24 is movable by fluid pressure within the cylinder 12 or mechanically by rotation of the stem 27 by pivoting of a lever 31 the lever 31 being coupled to the stem 27 via a pawl 35 urged resiliently into engagement with teeth 32 formed on the stem 27 outside the cylinder 12, and the pawl 35 being disengageable from the teeth 32 to allow rotation of the stem 27 to reduce the length of the abutment member 27, 38 when the wear on pads 16, 17 requires their renewal. As shown, the pawl 35 is defined by a catch member 33 pinned at 34 to the lever 31, a coil spring 36 urging the pawl 36 into engagement with the teeth and acting through the catch member 33 upon the lever 31. The cylinder 12 forms part of a fixed support 11 surrounded by a movable member 22 and lugs 13 secure the support 11 to a flange of a stub axle or an axle casing. The support 11 also has projections 14 between which the pads 16, 17 are mounted on pins 51, the pins 51 are held within holes in a bent-up portion 47 of a member 45 by retaining clips, and the member 45 also has portions 49 extending normal to the disc 10 and having secured thereto a wire clip 50 for locating the member 22 in a chordal plane on the respective side of the brake disc 10. An antirattle plate spring 53 supported by the pins 51 bears on the outer edges of backing plates 20, 21 of the brake pads 16, 17. When fluid pressure is admitted to the cylinder 12 the piston 24 is moved to apply the pad 16 and a piston 25 is moved to act upon member 22 to apply the pad 17. During pressure actuation the stem 27 is carried by the piston 25 and the sleeve 38 moves with piston 24 until a clearance between the co-operating threads is taken up. If further separation of the pistons 24, 25 occurs the sleeve 38 tends to be left behind the piston 24, separating respective frusto-conical clutching surfaces 39, 40 on the sleeve 38 and the piston 24 but the action of a spring 41 causes sleeve 38 to rotate to increase the length of abutment member 21, 38 thereby compensating for brake pad wear. The brake is applied mechanically by rotation of stem 27 by movement of lever 31 against the action of spring 36, e.g. by means of a Bowden cable. The sleeve 38 is held against rotation by clutch surfaces 39, 40 and the stem 27 rotates to axially separate parts 38, 27 to apply the brakes. By pivoting the catch member 33 relative to lever 31 against spring 36 the pawl 35 is disengaged from teeth 32, and the stem 27 may then be rotated to reduce the length of abutment member 27, 38 to allow renewal of pads 16,17.
Patent GB-1208765-A (GB)
Title: Air distribution unit
IPC: F24F11/75
Filed: 1967-11-20
Abstract: 1,208,765. Ventilators. CARRIER CORP. 20 Nov., 1967 [1 March, 1967], No. 52668/67. Heading F4V. [Also in Divisions F2 and G3] An air distribution unit comprises a duct 3, plenum chambers 25, 27 and outlet slots 33 controlled by an inflatable bladder 44 supplied with air by a control valve 50 which includes an inlet 61 from duct 3, a spring and ball valve 63, 67 which closes duct 61 in the event of a predetermined minimum pressure occurring, an adjustable orifice 71, an outlet 83 leading via duct 47 to bladder 44 and an orifice 87 leading to an outlet 81. The valve 50 may be adjusted to produce a constant rate of air flow through slots 33, in which case the outlet 81 is led to atmosphere, or alternatively responds to fluctuations in room temperature when the outlet 81 is led to a bleed-type thermostat 90. Reference has been directed by the Comptroller to Specification 1,018,813.
Patent GB-1171239-A (GB)
Title: Improvements in Adjustable Current Responsive Device
IPC: H01H71/74
Filed: 1967-11-28
Abstract: 1,171,239. Automatic circuit-breakers. GENERAL ELECTRIC CO. 28 Nov., 1967 [5 Dec., 1966], No. 54117/67. Heading H1N. In an adjustable electromagnetic tripping device for a circuit-breaker, the armature 15 is biased to an unattracted position by an adjustable biasing spring 17 connected to a pivoted adjusting member 21 carrying an adjustable stud 24 with a cam follower head 25 engaging the spiral shaped cam surface 26 of a cylindrical cam member 27 at any of a plurality of radially spaced positions on the surface 26. The " high " and " low " settings are adjustable independently, the adjusting stud 24 being moved without altering the setting of the cam member 27 and the tension of the spring 17 being adjusted by adjusting the anchor member 20 with respect to pivoted member 21. Once the " high " and " low " settings are determined, current setting is by rotating cam member 27 so that cam surface 26 acts on head 25 of stud 24 to rotate the member 21 and adjust spring 17. The armature 15 also carries a calibrating screw 19 which engages a cross-arm 35 extending across one or more trip devices. U.S.A. Specifications 3,084,236 (Specification 994,368) and 3,110,848 are referred to.
Patent GB-1589020-A (GB)
Title: Process for dyeing textile materials incorporating polyester fibres
IPC: D06P1/00
Filed: 1977-12-30
Abstract: In the dyeing of textile material consisting wholly or partly of polyester fibres with disperse dyes, oligomer deposits on the textile material and on elements of the apparatus used are to be prevented. The process is suitable for dyeing with acid and alkaline liquors. The textile material is first subjected to an oligomer deposit avoidance pre-clearing (pre-cleaning) treatment in a dye-free alkaline liquor. This treatment is effected either at a temperature of between 100 and 180 DEG C with the liquor containing 0.01-3 g/l of a carrier or at a temperature between 10 and 100 DEG C with the liquor containing 5-20 g/l of a carrier. This is followed, in a second step, by dyeing with the disperse dye liquor either obtained by adding dye to the used pre-clearing liquor or freshly prepared.
Patent GB-1124767-A (GB)
Title: Halogen-containing phosphate esters
IPC: C07F9/12
Filed: 1965-12-23
Abstract: A functional fluid contains one or more halogenated phenyl phosphates of the formula <PICT:1124767/C4-C5/1> wherein X is a chlorine or bromine atom, m is 1 or 2, and n is 1 or 2, the sum of (m+n) being 3, and may also contain triphenyl phosphate and/or one or more tri-(meta-halo-phenyl) phosphates, the mixture containing at least 80% by weight of the halogenated phenyl phosphate.  The mixture may be obtained by blending the various components or by reacting a mixture of phenol and a meta-halophenol with phosphorus oxychloride under conditions in which random distribution of phenoxy groups results.  The functional fluids are useful as electronic coolants, atomic reactor coolants, diffusion pump fluids, synthetic lubricants, damping fluids, bases for greases, hydraulic fluids and as filter media for air-conditioning systems, and they may also contain dyes, pour-point depressants, antioxidants, antifoamants, defoamants, e.g. silicone polymers, viscosity index improvers, e.g. polyalkylacrylates and polyalkylmethacrylates, and lubricity agents.  The invention also comprises an hydraulic pressure device comprising a fluid chamber and an actuating fluid therein comprising the above compound or composition.ALSO:Novel halogenated phenyl phosphates of the formula <FORM:1124767/C2/1> wherein X is a chlorine or bromine atom, m is 1 or 2 and n is 1 or 2, the sum of (m + n) being 3, are obtained by reacting meta-chloro- or meta-bromo-phenols with phenylphosphoryl chlorides in the presence of tertiary amines, e.g. pyridine, triethylamine or dimethylaniline, the respective molar proportions of halophenol and phosphoryl chloride being m and n.  A mixture containing at least 50% by weight of one or more of the above compounds together with triphenyl phosphate and/or one or more tri-(meta-halophenyl) phosphates is obtained by reacting a mixture of meta-halophenol and phenol with phosphorus oxychloride.  The compounds and mixtures are useful as functional fluids (see Division C5).
Patent GB-1362489-A (GB)
Title: Forging machine
IPC: B21J7/14
Filed: 1972-11-27
Abstract: 1362489 Forging machines MASCHINENFABRIK SACK GmbH 27 Nov 1972 [1 Dec 1971] 54731/72 Heading B3H A forging machine comprises four forging hammers 18 arranged around a forging axis 17 and each driven by a plunger 12, guided in an arm 14 selectively allowed to pivot about an axis 15 parallel to the forging axis, the plunger 12 being driven by an hydraulic piston-cylinder unit 6, 10, 11. The plunger 12 is biased towards the unit 6, 10, 11 by thrust piston-cylinder units 19, 20. The arm 14 is connected to a pull-back piston-cylinder unit 22 at its free end and can be pulled by the pull-back unit against an adjustable stop 24. The pull-back unit is either pressurized to prevent the arm 14 from moving and therefore the plunger 12 moves the hammer linearly to forge a workpiece or alternately the pressure in the pull-back unit 22 is reduced so that the arm is allowed to pivot whilst the thrust units 19, 20 keep the plunger stationary in the guide and thus the hammer 18 moves on a curved path to forge a workpiece.
Patent GB-1108926-A (GB)
Title: Method for producing 5-ª‰-methylmercaptoethylhydantoin
IPC: C07D233/72
Filed: 1965-12-30
Abstract: 5-b -Methylmercaptoethylhydantoin which has the formula <FORM:1108926/C2/1> is obtained by reacting together (a) carbon dioxide and ammonia, ammonium bicarbonate or ammonium carbonate, (b) hydrocyanic acid or its salts, and (c) b -methylmercaptopropionaldehyde in the presence of (1) a preformed aqueous solution, termed the "solubilized liquid" obtained by dissolving b -methylmercaptopropionaldehyde in a solution termed the starting aqueous solution in which (a) and (b) are dissolved and/or (2) a preformed aqueous solution termed the "hydantoin liquid" obtained by reacting (a), (b) and (c) in the said "solubilized liquid" to form 5-b -methylmercaptoethylhydantoin. The "solubilized liquid" may be obtained by heating a suspension of b -methylmercaptopropionaldehyde in the starting aqueous solution at 80 DEG C. for 30 minutes and at 100 DEG C. for 20 minutes and the "hydantoin liquid" may be obtained by maintaining the solubilized liquid under conditions ranging from allowing it to stand overnight at room temperature to heating it at 200 DEG C. for 5 minutes.  The reaction may be carried out by dissolving b -methylmercaptopropionaldehyde in a mixture of the "solubilized liquid" and/or the "hydantoin liquid" and the starting aqueous solution at a temperature between room temperature and 100 DEG C. and maintaining the solution under conditions ranging from allowing the mixture to stand over-night at room temperature to heating at 200 DEG C. for 5 minutes in the reaction mixture.  The process may be carried out in a continuous manner by feeding (a) and (b) together with part of a recycled "solubilized liquid" and/or "hydantoin liquid" to a reaction zone and feeding the solubilized liquid so produced to another reaction zone.  The invention also comprises a continuous process for the production of 5-b -methylmercaptoethylhydantoin in which (a) and (b) and (c) are fed to a reaction zone and mixed in water at a temperature between room temperature and 100 DEG C. to form a homogeneous liquid ("solubilized liquid") which is introduced into another reaction zone and maintained at a temperature between room temperature and 200 DEG C.
Patent GB-1450259-A (GB)
Title: Simultaneous oxygen and silicon neutron activation well log using pulsed neutron source
IPC: G01V5/10
Filed: 1974-12-20
Abstract: 1450259 Well lag with pulsed neutron source TEXACO DEVELOPMENT CORP 20 Dec 1974 [18 Jan 1974] 55278/74 Heading G1A Apparatus for determining the oxygen and silicon content around a borehole 11 comprises sonde 18 with neutron source 22 with its pulser 23 and means 19, 20 for passing the sonde through borehole 11 to irradiate earth formations 12-15 with neutrons of sufficient energy for the nuclear reaction O<SP>16</SP> (N,P)N<SP>16</SP> and with detector 26, 27 for detecting radiations from decaying isotopes of elements nearby, created by neutron capture and generating voltage signals representing the energy of these radiations, a separator for separating, as in Fig. 2, the signals into two energy components corresponding to the decay of isotopes produced by neutron capture by silicon and oxygen respectively, a counter making representative counts thereof and a recorder 21. Said energy components are 0À5-2À0 and 2À0 to 7À25 MeV respectively. Borehole 11 is surrounded by steel casing 16 and cement layer 17. A multi-conductor or armoured coaxial single conductor cable 19 passes over pulley 20. Electrical pulser 23 pulses at 100 Hz activating deuterium-tritium accelerator source 22 of 14 MeV neutrons in 1 ms bursts and providing pulses for the surface equipment via amplifiers 25 and 31. NaI(T1) crystal 26 detecting radiation gives light flashes so that photomultiplier 27 gives voltage pulses to level discriminator 29. Power is supplied by cable 19 and may be converted by power supplies within sonde 18. Pulse stabilizer 34 controls the gain of amplifier 33 to provide linear amplification. To allow thermal neutrons to die away, 4 ms after the calibration pulse from pulser 23, stabilizer 34 conditions time gate 36 to admit pulses from the sonde. Multi-channel pulse height analyzer 37 separates the voltage pulses as in Fig. 2. Background radiation in the silicon window is determined with the sonde in air and that in the oxygen window by subtracting the count in air from the count in limestone. Corrections for these are applied in circuit 38. Crystal 26 is cylindrical, approximately 2" in diameter, 4" long and 25 #" from and shielded by material 41 from source 22. The use is described with the aid of graphs.
Patent GB-1222869-A (GB)
Title: Automatic circuit interrupter
IPC: H01H33/666
Filed: 1968-11-21
Abstract: 1,222,869. Electromagnetic interrupters; vacuum switches. McGRAW-EDISON CO. 21 Nov., 1968 [10 April, 1968], No. 55352/68. Heading H1N. An automatic recloser has a vacuum contact unit 12 operated through a snap-action bellcrank lever mechanism 14 acted upon by a plunger 10 of an electromagnet which has its coil 8 in series with the contacts 54, 56 of the vacuum contact unit. On overload the plunger 10 is moved downward to move a link 80, pivoted at 82, so that a link 90, connected thereto, moves a spring 124 across the pivot axis 114 of a bell-crank lever 110 and a lever 128 snaps to the position (Fig. 4, not shown) in which its pin 130 strikes the other end of a slot 132 in the lever 110 which is moved to open the contacts. The coil is thus de-energized and the spring 24 shortens to drive the plunger 10 upward and so recrosses the pivot axis 114 and snaps the lever 128 to the top end of slot 132 and recloses the contacts. The vacuum contact unit has an arc shield 64 and electrostatic shield 62 and a spring-biased linkage 150, 152 provides compensation for the effect of pressure differential during operation. A lock-out mechanism 4, hydraulic timing means 6 and trip piston stem operate to allow for a set number of reclosures before final locking in the circuit interrupted position requiring manual resetting.