baber/WOPTO huggingface dataset:
Patent GB-1317076-A (GB)
Title: Detergent builder compositions
IPC: C11D3/00
Filed: 1971-12-14
Abstract: 1317076 Detergent builder compositions PROCTER & GAMBLE CO 14 Dec 1971 [14 Dec 1970] 58007/71 Heading C5D A detergent builder composition comprises (a) a mixture of a water-soluble salt of benzene hexacarboxylic acid and a water-soluble salt of benzene pentacarboxylic acid in a weight ratio between 10 : 1 and 1 : 2 and (b) watersoluble aluminate, carbonate and/or silicate, the weight ratio (a) : (b) being between 1 : 20 and 20 : 1. The composition may also include water-soluble salts of benzene tri- and tetracarboxylic acids. All the above water-soluble salts may be sodium or potassium salts. The builder may be used with one of the following detergents: 3(N,N - dimethyl - N - dodecyl ammonio) - propane - 1 - sulphonate, 3(N,N- dimethyl - N - hexadecyl ammonio) - propane- 1 - sulphonate, 1 - (N,N - dimethyl - N - dodecyl ammonio) acetate, sodium tallow soap, the sodium salt of polyoxyethylenated tallow fatty alcohol sulphate, disodium 1,8-hexadecyl disulphate, sodium dodecylbenzene sulphonate, the sodium salt of 2-acetoxy-tridecane-1-sulphonic acid, sodium salt of #-methoxy dodecane sulphonic acid, the sodium salt of sulphonated hexadecene, sodium 3-dodecylamino-propane sulphonate, the reaction product of dodecylamine and sodium isothionate, disodium dodecylamine dipropionate, polyoxyethylenated tridecyl phenol, polyoxyethylenated dodecanol, 2-hydroxydodecyl diethanol amine oxide and dodecyl methyl sulphoxide. The composition may also include sodium sulphate.
Patent GB-581147-A (GB)
Abstract: 581,147. Vibration indicators. SHELL DEVELOPMENT CO. Aug. 10, 1943, No. 12900. Convention date, May 30, 1942. [Class 40 (iv)] [Also in Groups XIX and XXXVI] Apparatus for detecting mechanical vibrations comprises means for passing an electric current through a liquid between a pair of electrodes and means for observing variations in the current when mechanical vibrations are set up between the electrodes and the liquid. In Fig. 1, a battery 7 is in circuit with the primary 8 of a transformer, a milliameter 10 and a pair of electrodes 3, 4. The electrode '4 has a large surface area but the electrode 3 comprises a wire embedded in insulating material so as to have only point contact with the liquid which may be copper sulphate, tap water or distilled water, according to the degree of impedance desired. The impedance of the cell is affected by vibration, the resultant current changes inducing a potential in the secondary 9 of a transformer which feeds an amplifier circuit 13 and oscillograph 14 to give an indication of the intensity of the disturbance. The oscillograph may be replaced by a loudspeaker or other suitable device. The device shown in Fig. 3 is used for seismic observations, the electrode 3 being embedded in a heavy mass 36 suspended by springs from the casing. The shell 34 of the cell constitutes the large electrode. The Specification as open to inspection under Sect. 91 also contains the following matter. In Fig. 6 (Cancelled), the point contact is obtained by employing two electrolytes, one 66 of copper sulphate in contact with a plate 60 the other of water, contact taking place through a short capillary tube 68. In Fig. 4 (Cancelled, not shown), the housing is apertured so that the cell can be lowered into a bore hole, the,water or other liquid in the hole acting as the electrolyte. Alternatively, the housing has a flexible diaphragm so that an electrolyte filling the cell receives disturbances from the water in the bore-hole without being contaminated. This subject-matter does not appear in the Specification as accepted.
Patent GB-1373777-A (GB)
Title: Electrets
IPC: A61F2/06
Filed: 1971-12-14
Abstract: 1373777 Electrets KUREHA KAGAKU KOGYO KK 14 Dec 1971 [14 Dec 1970] 58130/71 Heading H1M A method of making an electret comprises exposing an article of fluorine-containing resin to radiation capable of striking electrons into the material. The radiation may be #-rays, or #-rays or X-rays providing electrons by the Compton effect. The energy of the electrons should be at least 50 KeV preferably at least 300 KeV. An electron microscope or electron accelerator may be the electron source. The article may be a container, artificial blood vessel or other organ required to have a negatively charged surface in contact with blood because of the anticoagulant properties of such a surface. The irradiated surface is negatively charged but it is stated that the positive charge on an opposite surface soon decays to leave both surfaces negatively charged. The inside surface of a vessel of complex shape can accordingly be given a negative charge. Alternatively an irradiated steel can be formed into the required shape. Preferably a pile of sheets is irradiated in one operation. The material may be P.T.F.E., or a copolymer of tetrafluoroethylene with vinylidene fluoride, hexafluoropropylene or trifluoromonochloroethylene.
Patent GB-1248229-A (GB)
Title: Logic circuit
IPC: H03K19/173
Filed: 1968-12-06
Abstract: 1,248,229. Logic circuit. TELEFUNKEN PATENTVERWERTUNGS-G.m.b.H. 6 Dec., 1968 [6 Dec., 1967], No. 58141/68. Addition to 1,183,537. Heading H3T. A logic circuit has an emitter-coupled pair T1, T2, Fig. 3, each receiving one or more inputs from A and B respectively through a voltage drop device such as a resistor R21, R22, (only one such device being provided in the circuit of the parent Specification), each voltage drop being adjusted between first and second discrete values by switching devices K1, K2 arranged to provide the first value in one device and the second in the other, and neither value is higher than the input swing. In the embodiment of Fig. 3, current sources Q21, Q22 define the current in respective resistors R21, R22 and therefore a voltage drop having the first value across them, which with the corresponding switch K1, K2 open is arranged to be half the difference between the voltage values of the " 0 " and " 1 " input signals at A, B; the voltage is reduced to the second value (of zero) by closing the switch. The logic function, with K1 open and K2 closed is Q=A+B, and with K1 closed and K2 open, Q=A+B. If one switch condition is expressed as k and the other as k then Q=(A+B).k+A.B.k. In an alternative embodiment performing the same function (Fig. 5, not shown), a constant voltage drop is maintained in both base circuits by input resistors (R21, R22) and the current sources (Q21, Q22), the switches (K11, K21) being arranged to switch one or other of two further resistors (R31, R32) between the respective base and ground to increase the voltage drop across the corresponding input resistor (R21, R22) by the stated amount of half the difference between " 0 " and " 1." In the more detailed embodiment of this circuit (Fig. 6, not shown), the common emitter current source is a transistor having two diodes in its base emitter circuit; and the input circuits each include a common collector transistor (T3) receiving the input (B, or A) at its base and having two identical resistors (R6, R4) between its emitter and base, and the emitter being connected through an emitter follower resistor (R5) to ground. The junction of the resistors (R4, R6) is connected to the base of the transistor (Tl, or T2), the voltage drop across R6 (equivalent to R21, R22) being half the emitter-base voltage of T3. The voltage difference between " 0 " and " 1 " is here arranged to be one emitter-base voltage. To increase the voltage drop across the input resistor (R6) by a further half of an emitter base voltage, a switching transistor (T4) receives the k input through its emitter resistor (R3) and has its base connected to the input terminal (B, or A) and its collector to the voltage drop resistor (R6); alternatively, the switching transistor (T4) operates in common emitter with the k input at its base, and its collector connected through the resistor (R3) to the resistor (R6).
Patent GB-1335727-A (GB)
Title: Catalytic converter for a motor vehicle engine exhaust system
IPC: F01N13/02
Filed: 1971-12-15
Abstract: 1335727 Purifying I.C. engine exhaust gases NISSAN MOTOR CO Ltd 15 Dec 1971 [17 April 1971 21 July 1971] 58200/71 Heading FIB A catalytic converter 18 contains a catalyst bed 10 which defines a chamber 26 with an inlet 28 for secondary air and the bed has first and second passages 16a and 16b communicating at their open ends with the converter inlet 24a and the chamber and the converter outlet 24b and the chamber, respectively. The first and second passages have common walls 12 and the surfaces of the passages are coated with a catalyst, e.g. a platinum compound. Nitrogen oxides may be reduced by reaction with carbon monoxide in the first passages 16a and hydrocarbons and carbon monoxide oxide oxidized in the second passages 16b in the presence of the secondary air. Secondary air may be selectively introduced into the converter inlet 28 or into the exhaust gases upstream of the inlet 24a under the control of a spool valve (30), Fig.4 and 5 (not shown), operated by engine intake manifold vacuum or in accordance with engine speed or temperature. The bed 10 may be formed of alternating flat and corrugated ceramic plates, the alternate corrugated plates defining the passages 16a, 16b at right angles. -
Patent GB-1425389-A (GB)
Title: Process and bath composition for increasing the rate of polymer deposition in electrocoating
IPC: C09D5/44
Filed: 1973-12-19
Abstract: 1425389 Electrocoating composition CANADA WIRE & CABLE Ltd 19 Dec 1973 [29 Dec 1972] 58923/73 Headings C3B C3P and C3R An electrocoating bath composition comprises an essentially aqueous alkaline solution, emulsion or dispersion of a polymer suitable for anodic deposition, e.g. an epoxy resin ester or acrylic resin, and 0À01-2À0% by wt. with reference to the bath composition of a compound wherein R is an organic radical, X is -SH, -OH, =NH or -NH.H and X<SP>1</SP> is H or X. The groups X are of an electronic configuration with respect to R such that there are always labile protons present under conditions of operation of the bath. Salts of I may also be used provided the salt is at least partially dissociated and capable of proton association. Specific I exemplified and claimed are: 2- mercaptobenzimidazole, 2 - mercaptobenzoxazole (II), 2,5 - dimercapto - 1,3,4 - thiadiazole (III), benzotriazole, 3 - mercapto - 1,2- propanediol, 2 - mercaptobenzoselenazole, benzimidazole, ethyl - 2 - mercapto - acetate, phenol, 1 - phenyl - 2 - thiourea, 5,5<SP>1 </SP>- dimethylhydantoin, 1,4 - diphenyl - 3 - thiosemicarbazide, 2 - amino - 5 - methyl - 1,3,4- thiadiazole, N - phenylthioglycolic acid amide, 2,2<SP>1</SP> - dipyridylamine, 3 - amino - 5 - mercapto- 1,2,4 - triazole, benzenethiol, acetylacetone, phloroglucinol, 2,6 - dimercaptopurine, 5- amino - 1,3,4 - thiadiazole - 2 - thiol, 2-mercaptopyrimidene, ethylene glycol bis - mercaptoacetate, 1H - 1,2,4 - triazole - 3 - thiol, 5 - mercapto - 3 - phenyl - 1,3,4 - thiadiazole - 2- thione, the dipotassium salt of III and the sodium salt II.
Patent GB-1449029-A (GB)
Title: Production of nitric acid
IPC: C01C1/18
Filed: 1973-12-27
Abstract: 1449029 Packing for gas/liquid contact MASAR INC 27 Dec 1973 [29 Dec 1972] 59871/73 Headings B1F and B1R [Also in Division Cl] Packings for use in an absorption tower in a nitric acid plant (see Division Cl) are made up of the elements shown in Figs. 3 to 7, and are designed to provide maximum gas/liquid contact with minimum resistance to gas flow. Bed 160 (Fig. 3) is formed of parallel layers of corrugated metal sheets, corrugations of every other layer being parallel with ridges of one layer crossing ridges of the adjacent layer at right angles (Fig. 4). The assembly is held together by metal bands 175. Each corrugated sheet is preferably made of woven, knitted or braided wire mesh. Further packings used as a de-mist pad are formed of knitted mesh (Fig. 5) wound onto a spiral (Fig. 6). An alternative packing (Fig. 7) is made of plastic elements comprising radial loops (185) arranged toroidally round an annular hub (184).
Patent GB-1293699-A (GB)
Title: Improvements relating to electric motor driven pump assemblies
Inventor: LAING NIKOLAUS
IPC: H02K5/167
Filed: 1969-09-25
Abstract: 1293699 Electric motors STANDARD MAGNET AG 25 Sept 1969 60371/71 Divided out of 1270591 Heading H2A The specification discloses a motor-pump unit as described with reference to Fig. 9 of Specification 1,207,621 and the invention relates to the spring loaded bearing for the rotor-impeller unit which urges the unit into engagement with an abutment when the motor is de-energized.
Patent GB-1336960-A (GB)
Title: Electrophotographic developing apparatus
IPC: G03G15/06
Filed: 1971-12-29
Abstract: 1336960 Developing electrostatic latent images FUJI PHOTO FILM CO Ltd 29 Dec 1971 [28 Dec 1970] 60560/71 Heading G2H An electrostatic latent image is developed under the influence of a development electrode, the electrode being earthed through a low or zero resistance for a continuous tone image and through a high resistance for a line image. In Fig.3, rollers 20 and 31 are permanently connected directly to earth and rollers 21 are either connected directly to earth or are earthed through a resistance R (preferably 10<SP>6</SP> ohms to infinity;) selection being made by a switch 13. In Fig. 8 (not shown) variable resistances are used. In Fig. 1 (not shown) a curved plate electrode (12) and a curved gauze electrode (10) are used. In Fig. 9 (not shown) an image is sprayed at a pretreatment station (100) with insulating liquid; sprayed with liquid developer at a station (90) identical to that of Fig. 3 and then rinsed and squeezed at an aftertreatment station (110).
Patent GB-1330479-A (GB)
Title: Semiconductor devices
IPC: H01L45/00
Filed: 1970-12-21
Abstract: 1330479 Semi-conductor devices PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 21 Dec 1970 [24 Dec 1969] 60568/70 Heading H1K A semi-conductor device for generating or amplifying electric oscillations comprises a tunnel transit time diode with a N-type monocrystalline Si plate 2, 3 (Fig. 2) and a layer 4 of Ti overlain with Au in ohmic contact with the N-type Si substrate doped with 5 Î 10<SP>18</SP> donor atoms/cm<SP>3</SP>. An epitaxial zone 2 grown on the substrate has a homogeneous doping of 10<SP>18</SP> donor atoma/cm<SP>3</SP>. and a Pt layer 1 on zone 2 forms a rectifying metal/semi-conductor contact. A reverse voltage applied across this contact extends the formed depletion zone through zone 2 which is highly doped to such an extent that charge carriers traverse the 1-2 junction by reason of tunnel effect, and the operating frequency of, e.g. 1000 GHZ is determined by the depletion zone thickness of, e.g. 1 micron. Alternatively a monocrystalline S/C plate 2, 3, 4 has a Ti layer 5 overlain by Au in ohmic contact with N-type Si substrate 4 supporting a grown epitaxial layer, of which zone 2 is P doped at surface to 10<SP>18</SP> donor atoms/cm<SP>3</SP>, and zone 3 is homogeneously doped to 5 Î 10<SP>14</SP> donor atoms/cm<SP>3</SP>., while substrate 4 is doped to 10<SP>10</SP> donor atoms/cm<SP>3</SP>. A Pt layer is deposited on 2 to form a rectifying junction and the high doping concentration in zone 2 at contact is of such a level that a polarizing voltage in reverse direction causes tunnel effect charge carriers to flow across the junction, the holes to disappear from metal 1, and electrons to traverse zone 3 so that current flows externally, while the voltage level is such as to extend the depletion zone across 2 and 3 (Fig. 4, not shown). The semi-conductor material may be Ge or GaAs, and the body may comprise different semi-conductor materials in combination. The contacts 3, 4 in Fig. 2 and 4, 5 in Fig. 3 may present forward polarized rectifying junctions and zone 2 may alternatively be formed by doping variation during epitaxial growth or by ion implantation. The device may be combined with other elements in monolithic or non- monolithic integrated circuitry.
Patent GB-636629-A (GB)
Abstract: 636,629. Electromagnetic ammeters and voltmeters ; power meters. SANGAMO WESTON, Ltd. Sept. 19, 1947, No. 25613. Convention date, March 24, 1947. [Class 37] In a moving-coil instrument the conductive spiral_ springs by which connections are made to the moving coil are disposed within the coil winding, the length of the staff being thus reduced. A polyphase wattmeter has two moving coils 1, 1<1>, Fig. 1, mounted on a single staff 11. Each coil is wound on a temporary arbor on which are mounted insulating bushings 2, 2<1>. After winding, the arbor is removed leaving the bushings aligned along the axis of rotation of the coil. They are then cemented in place. Conductive spiral springs 3, 3<1> are mounted within the coil, the inner ends being fixed to axially-extending tongues 5<1>, Fig. 4, on terminal conducting sleeves 6, 6<1> pressed on the bushings 2, 2<1> in abutment with the inner faces of collars 7, 7<1> formed on the bushings. The sleeves 6, 61 are also provided with transverse tongues 8, 8<1> to which the lead-off ends 9, 9<1> of the coil 1 are connected. Two coil assemblies are placed in position with the'stationary coils 10, Fig. 1, and the staff 11 is inserted through the bushings 2, 2<1> of both coils. The outer ends of the springs 3, 31 of both coils are then fixed to stationary terminals 13, 13<1>.
Patent GB-2003914-A (GB)
Title: Multiple-stage hydrocarbon conversion with gravity-flowing catalyst particles
IPC: C10G59/02
Filed: 1978-07-31
Abstract: In a hydrocarbon conversion process (such as reforming) in which regenerated catalyst 2 is passed in sequence through a series of at least three beds I-IV, (a) the admixed vaporous charge stock and hydrogen feed is divided into a portion 9 which is introduced into the first bed I and a portion 10 which is introduced into the second bed II and the effluents 12 and 14 from these two beds are combined, heated, and introduced into the third bed III, and (b) the flow of effluent 12 from.the first bed is restricted at 13 to increase the density of the vapours (thereby reducing their volume and reducing lodgement of catalyst in the bed I) whilst the amount of the feed passing into the second bed is controlled by a restriction 11. <IMAGE>
Patent GB-783548-A (GB)
IPC: H04R9/04
Abstract: 783,548. Microphones. RANK PRECISION INDUSTRIES (B.A.F.), Ltd., [formerly BRITISH ACOUSTIC FILMS, Ltd.]. July 22, 1955 [Dec. 31, 1954], No. 37748/54. Class 40 (4). In a ribbon microphone, a pair of polepieces 1, 2 defining an air gap 3 in which the ribbon 4 is positioned, are mounted diagonally on a pair of substantially rectangular end-plates 5, 6, and permanent magnet bars 7, 8 made, for example, from the material " Ticonal " (Registered Trade Mark) are located in front and behind the ribbon and support the end-plates in spaced relationship.
Patent GB-2007281-A (GB)
Title: Tenter Frame
IPC: D06C3/02
Filed: 1978-11-02
Abstract: A tenter frame for stretching a plastics film web (11) (Figure 1) has a clip chain (1) with U-shaped clips (2) slidable on two guide rails (3, 4), one of which extends upwardly and one downwardly, each rail having one horizontal and two vertical guiding surfaces, each clip (2) being U-shaped and having sliding elements (9, 10) in engagement with the rails (3, 4). The sliding contact parts at least are made of hard metal such as not to require lubrication, thus avoiding the disadvantages of lubrication in high speed, high temperature operation. <IMAGE>
Patent GB-2008386-A (GB)
Title: Detachably connecting garment parts
IPC: A41C1/06
Filed: 1978-11-13
Abstract: A foundation garment comprises a girdle forming a lower part 2, two cups forming an upper part 1 and two separate coupling projections 4 on one of said parts releasably introduced into and engaging in respective coupling recesses 3b in two hoops 3 fastened to the other of said parts, thereby releasably connecting the respective cups to the lower part, each hoop may be rigid or built up from individual rigid hoop elements. <IMAGE>
Patent GB-2017476-A (GB)
Title: Haymaking machines
IPC: A01D78/00
Filed: 1979-03-28
Abstract: A haymaking machine includes a rake wheel which carries crop displacing members 44. Up and down movement of the members 44 is controlled during rotation of the rake wheel by control rods 52. When the members 44 are next to the ground, they point out of the plane of the rake wheel in the direction in which they travel relatively to the ground. The points of the members 44 always stay on the same side of the plane of the rake wheel. <IMAGE>
Patent GB-2023942-A (GB)
Title: Supporting brushes in electric motors
IPC: H01R39/39
Filed: 1979-06-15
Abstract: A one-piece brush 1 formed of electrically conductive material and having a base portion 3 a portion adapted to serve as a commutator slide or brush proper 2 and a terminal portion 4 is received, terminal portion first, in a slot or recess of an insulating brush holder with a side edge 12 of the brush base slidingly received along abutment means 11, the brush being retained in position by engagement with faces K and member 7 and by engagement between the side edge and the abutment means. Figure 1 illustrates the prior art holder, and Figure 5 includes the new abutment means 11. <IMAGE>
Patent GB-2027208-A (GB)
Title: Magnetic field correction in NMR apparatus
IPC: G01R33/24
Filed: 1979-06-18
Abstract: In a medical NMR apparatus it is desirable that the axial magnetic field, Ho, is uniform. The result can in theory be obtained by accuracy of construction but in practice this cannot readily be achieved. It is now proposed to use a field sensing probe system X1, X2, Y1, Y2, M, N,which indicates the value of that field at a plurality of positions in the examined region and provides error signals indicating deviations from uniformity. The field is automatically corrected in response to the error signals by applying currents to field correcting coils 1, 2. The errors may be considered as distinct gradient and dishing errors which are corrected individually. <IMAGE>
Patent GB-2036203-A (GB)
Title: Clutch with two outputs
IPC: F16D25/10
Filed: 1979-11-16
Abstract: In a clutch arrangement, particularly for tractors, comprising two clutch assemblies A, B, each for controlling separate driven shafts 22A, 22B, the clutch assembly A is arranged annularly completely around the clutch assembly B, and a circuit (38C, 37C, 35C, 34C) for cooling fluid is provided in these clutch assemblies. Each clutch assembly is associated with a fluid controlled band brake 40A, 40B which together with the clutch assemblies are connected to a common fluid-control circuit. The circuit supplies liquid under pressure to pistons 32, 27B respectively for disengaging and engaging the clutch assemblies A, B against spring pressure, such spring pressure being provided by a diaphragm spring 30 for clutch assembly A and a helical spring 45 for clutch assembly B. Centrifugally controlled valves prevent overpressures. <IMAGE>
Patent GB-2038064-A (GB)
Title: Cash register coin counting and distribution apparatus
IPC: G07D9/00
Filed: 1979-11-26
Abstract: A cash register coin counting and distributing apparatus has a plurality of circumferentially arranged tubes 1-7 each for holding a particular coin denomination and each of the tubes having graduation marks therealong corresponding to the thickness of the coin denomination to be counted. At the top of the tubes is a rotatable funnel 12 arranged so that coins are able to enter each of the tubes in turn and the end of the tubes remote from the funnel is closed. In an alternative embodiment the base member is rotatable and has an aperture therein to align with edge of the tubes in turn. <IMAGE>
Patent GB-2069238-A (GB)
Title: Electret material production
IPC: H01G7/02
Filed: 1979-12-29
Abstract: In a method for producing electret material in the form of a polymeric film, a continuous length of film (1) is fed through a corona charge station (7). Prior to passage through the charge station (7) the film is stretched by passing it between two sets of nip rollers (4, 5) the downstream set (5) of which is driven faster than the other set (4). An oven (6) for heating the film is disposed between the nip roller sets (4) and (5). <IMAGE>