baber/WOPTO huggingface dataset:
Patent GB-1326571-A (GB)
Title: Multiple circuit hydraulic brake valve arrangement
IPC: B60T13/14
Filed: 1970-10-15
Abstract: 1326571 Valves for hydraulic dual braking systems WESTINGHOUSE BREMSENUND APPARATEBAU GmbH 15 Oct 1970 [3 Nov 1969] 49067/70 Heading F2F A valve assembly for a dual hydraulic vehicle braking system comprises two hollow coaxial valve shutter members 11, 12 having conical parts 13, 14 which with seats 21, 26 define valves 13, 21 and 14, 26 controlling communication between reservoirs 37, 38 and the respective brake circuits, the valve 14, 26 being operable by pressure from the reservoir 37 but in the event of a pressure failure in the first circuit being operable mechanically by the shutter element 11. In operation, an actuating piston 20 is first displaced by a brake pedal in the direction of arrow 39 to close a valve 17, 11 which normally links the first brake circuit with a return pipe via a bore 31. The valve 13, 21 is then opened to allow hydraulic pressure to flow to the first brake circuit from the first reservoir 37 via a bore 35, bore 4, annular chamber 28 and bore 33. The hydraulic pressure in the first brake circuit provides "feel" for the valve assembly operator and will cause the valve 13, 21 to close when the pressure in bore 15 of the shutter element 11 comes into equilibrium with the operating force. The pressure in the first hydraulic circuit also acts on a second actuating piston 22 to cause closure of a valve 18, 25 which normally links the second brake circuit with a return pipe via a bore 32 and subsequently opening of the valve 14, 26 which allows hydraulic pressure to flow to the second circuit from the second reservoir 38 via a bore 36, a bore 6, annular chamber 30 and bore 34. However if the fluid pressure in the first circuit fails the valve 14, 26 is opened mechanically through the interlink of piston 20, member 11 and piston 22.
Patent GB-491368-A (GB)
Abstract: 491,368. Thermally-actuated valves; pilot-jets. JUNKERS & CO. GES. Feb. 17, 1938, No. 4959. Convention date, Feb. 17, 1937. [Class 135] [Also in Group XI] A safety-ignition device for gas heated apparatus in which the main gas valve is controlled by a heat-sensitive member heated exclusively by a pilot flame has the pipe supplying the pilot burner branched off from the point of minimum cross-section of a Venturi pipe traversed by the flow of gas to the main burner or by a proportionate flow diverted from the main stream. In the form shown in the Figure the cut-off valve 12 is actuated by a bi-metallic loop 15 subject to the heat of a pilot flame 16. The pilot burner is supplied through a conduit 27 fitted with a throttle adjusted to maintain a minimum flame and through a conduit 18 connected through a thermally actuated valve 25 and non-return valve 28 to the neck of a Venturi tube 21 arranged in a byepass 23 to the main gas conduit 20. The valve 25 may be controlled by the temperature of the liquid being heated. When this valve is open an increased flow in the main conduit reduces the supply to the pilot burner so causing the bi-metallic strip to move the valve 12 towards its seat to throttle the main flow. In a modification the valves 25, 28 are dispensed with and the Venturi tube is arranged in the main gas conduit.
Patent GB-1497255-A (GB)
Title: Cap for a container
IPC: B65D41/04
Filed: 1974-12-03
Abstract: 1497255 Plastics cap and seal ring for containers POLYTHENE DRUMS (LANCASHIRE) Ltd 3 Dec 1974 [22 Oct 1973] 49141/73 Heading B8T A resilient polyethylene cap for a container comprises an annular, interiorly-threaded skirt 13 and an inner circle of circumferentiallyspaced alternating relatively shallow arcuate ribs 14a and relatively deep lugs 14b. The annular space between the skirt and circle has a sealing ring 15 located by the ribs 14a and retained by the lugs 14b. The cap has finger recesses 12 defined by apertured projections 12a. An inner concentric skirt may be provided within the circle of lugs and ribs. Such skirt may depend from a dispensing opening in the cap upper wall and may be completely open at its bottom end, or, alternatively have an apertured bottom wall.
Patent GB-1497187-A (GB)
Title: Carpet seaming iron
IPC: D06F75/30
Filed: 1975-12-02
Abstract: 1497187 Seaming non-metallic sheet material ROBERTS CONSOLIDATED INDUSTRIES Inc 2 Dec 1975 [28 April 1975] 49520/75 Heading B5K An electric iron 10 for joining two carpet sections 21, with their edges 20 abutting, by means of a heat sensitive adhesive tape 23, comprises an electrically heatable sole plate portion 11 and a superstructure portion 13 extending upwardly from the portion 11, the portion 13 having on its outer surface a pair of outwardly extending ridges 17 spaced upwardly from the portion 11, the ridges 17 being constructed to engage and limit upward movement of the edges 20 when the sole plate 12 is inserted, and longitudinally moved, between the edges 20 and the tape 23. As shown, the iron 10 has a handle 14 and a lead 16 for supplying electrical current to means (not shown) for heating the sole plate 12 is connected to the leading edge of the portion 13. Each longitudinal ridge 17 provides an overhanging lip 18 which is tapered downwardly from the leading edge to the trailing edge thereof. In use, the carpet sections 21 are laid on a base 22a with their edges 20 in abutment over a heat sensitive adhesive tape 23 having a hot melt adhesive strip 24. The heated iron 10 is inserted between the abutting edges 20 at one end thereof and is moved continuously or intermittently along the tape 23 to melt the adhesive 24. The operator presses down the trailing edges 20 on to the melted adhesive to effect joining. The ridges 17 limit the upward movement of the edges 20 and assist in centring the iron as it is moved.
Patent GB-1048059-A (GB)
Title: Improvements in hook and eye fasteners
IPC: A44B13/00
Filed: 1964-12-07
Abstract: 1,048,059. Hook and eye fastenings. ETABLISSEMENTS HENRI TURQUAIS. Dec. 7, 1964 [Dec. 9, 1963], No. 49614/64. Heading A3H. A hook and eye fastening device comprises two members each consisting of a U-shaped member comprising a base plate 1, an eye 2 in the bend of the U and a tongue 3 extending from the eye and narrower than the eye. Each member is attached to fabric by prongs on the member or on a counter plate. The fastener is engaged by passing each tongue 3 through the eye 2 of the other member. The members may be identical.
Patent GB-1019672-A (GB)
Title: Improvements in or relating to methods and apparatus for rolling screw taps
IPC: B21H3/10
Filed: 1963-12-18
Abstract: 1,019,672. Producing screw taps; rolling. F. ERDELYI. Dec. 18, 1963 [Jan. 9, 1963], No. 50018/63. Headings B3A and B3M. Screw taps are produced by passing a heated blank through a number of driven profiling rolls forming a closed pass around the blank, the chip grooves first being rolled, followed by rolling of threads on the resulting lands. The rolls 24 for forming the chip grooves are situated in a plane 15 slightly to the left of the plane 16 of the thread forming rolls, any elongation of the bar due to groove rolling thus having no effect on the pitch of the threads rolled. An appropriate number of detachable profiled segments 10, 10a, 11 and 11a are attached to the rolls. The six rolls may alternatively be in the same plane, the grooves being rolled in one pass and the threads in a second pass. If desired the grooves can be formed in two stages with this arrangement, the second segment of the rolls 32 (Fig. 8, not shown) finishing the grooves in the second pass, simultaneously with the rolls 34 rolling the threads. Twisted screw taps can be produced by using skewed rolls. The blanks 1 are heated immediately prior to rolling by high-frequency induction heaters, or, if a slower heating method is employed, in an inert gas-filled chamber.
Patent GB-1134288-A (GB)
Title: Improvements in or relating to demodulation equipment for electrical signal frequency modulation transmission systems
IPC: H03D3/18
Filed: 1967-11-03
Abstract: 1,134,288. Frequency discriminators. NIPPON ELECTRIC CO. Ltd. 3 Nov., 1967 [4 Nov., 1966], No. 50038/67. Heading H3A. A demodulator for FM signals comprises a balanced limiter 2 which supplies two balanced output signals via amplifiers 4<SP>1</SP> and 6<SP>1</SP> to a gate 14 and through a second path comprising amplifiers 4<SP>11</SP> and 7<SP>1</SP> and a 90 degree phaseshift unit 5<SP>1</SP> to the gate, the output being derived through a low-pass filter 15. Auxiliary compensating circuits (not shown) may be provided for fine adjustment of the amplitudes of the signals supplied to the gate on lines 10<SP>1</SP>, 11<SP>1</SP>, 12<SP>1</SP> and 13<SP>1</SP>.
Patent GB-1285075-A (GB)
Title: Catalyst and process for the preparation of maleic anhydride
IPC: C07C51/31
Filed: 1969-10-13
Abstract: 1285075 Oxidation catalyst MITSUBISHI KASEI KOGYO KK 13 Oct 1969 [15 Oct 1968 27 Nov 1968] 50175/69 Heading B1E [Also in Division C2] A particulate catalyst composition is formed by (i) preparing a mixture containing a vanadium compound; a phosphorus compound and an aqueous silica sol, (ii) spray drying the mixture and (iii) calcining, preferably at 200- 750‹C. The vanadium compound and the phosphorus compound used both are capable of being decomposed into their oxides by calcination. The mixture of compounds of step (i) may be a suspension or a solution, and oxalic acid may be added to bring the vanadium component into solution. The silica sol may be gelled to a small extent. The composition may also contain Ti, K, Cr, W, Mo, Co, B or Ni which are incorporated into the mixture before spray drying. The catalyst composition suitably has atomic ratios of components V:P:Si:Ti (if present) of 1:0.7-4:0.5-120:0.5-120. Suitably, the mean diameter of the particles is from 60-200 microns.
Patent GB-1427738-A (GB)
Title: Curtains and curtain heading tapes
IPC: A47H13/16
Filed: 1972-11-01
Abstract: 1427738 Curtain headings LILLEYS NARROW FABRICS Ltd 30 Oct 1973 [1 Nov 1972] 50357/72 Heading A4B [Also in Division D1] A curtain heading tape 11 is provided with two pairs 12a, 12b and 13a, 13b of laterally spaced draw cords which each engage the tape at a plurality of positions 15a, 15b, 16a, 16b, 17a, 17b, 18a, 18b spaced longitudinally of the tape, the engagement positions of one pair being longitudinally offset from the engagement positions of the other pair so as to produce two sets of interpositioned pleats (25, 26), Fig. 2 (not shown) on drawing of the draw cords. The draw cords may pass alternately to opposite sides of the tape or, alternatively, each draw cord may extend along one face only of the tape and extend within the tape at the engagement positions. In an alternative arrangement, two conventional tapes with draw cords may be secured to the head margin of a curtain with their engagement portions offset to produce the two sets of pleats.
Patent GB-1529885-A (GB)
Title: Aerofoil tip vortex control
IPC: B64C23/06
Filed: 1975-12-10
Abstract: 1529885 Reducing wing-tip trailing vortices GARRETT CORP 10 Dec 1975 [11 Dec 1974] 50639/75 Heading B7G Drag induced by wing-tip trailing vortices is reduced by locating propulsion jet engines on the wing tips. The exhaust duct 44 is provided with pivotable vanes 70 which are capable of imposing a counter-rotating vortex on the exhaust flow to cancel out the tip trailing vortex During take-off and landing the vanes may be reciprocated to cyclically vary the spiral angle between 60 degrees counter-rotation and 60 degrees co-rotation to dissipate the trailing vortex. Pivotable vanes (not shown) may also be provided to impose a vortex pattern on the core exhaust 68. Simultaneous pivoting of all the vanes is achieved with the use of a rack and pinion arrangement, Fig. 5 (not shown). To prevent fan stall during large deflecting angles of the vanes, core nozzle (114), Fig. 8 (not shown), is axially movable in conjunction with vane adjustment to maintain a constant exhaust exit area. Alternatively, vertical exhaust doors (108, 110), Fig. 7 (not shown), may be provided in the cowling in communication with the by-pass duct.
Patent GB-1099052-A (GB)
Title: Method for altering the overall configuration of electrical coils wound from a number of conductor turns and arrangements for achieving the same
IPC: H02K15/06
Filed: 1965-11-30
Abstract: 1,099,052. Making dynamo-electric machines; electromagnetic forming. GENERAL ELECTRIC CO. Nov. 30, 1965 [Nov. 30, 1964], No. 50841/65. Headings B3A and B3Q. In a method of altering the configuration of an electrical winding carried on an accommodating member and defining a first magnetic pole, wherein another electrical winding carried on an accommodating member defines a magnetic pole adjacent the first pole, at least one current surge of pre-selected intensity is applied simultaneously to both windings to produce a magnetic interaction to effect the alteration. A stator winding comprises four coil groups 21-24, each consisting of concentric coils 26, 27 and an armature winding 30 includes four coil groups 31-34 consisting of coils 36, 37, the coil grounds being connected in series with each other and the windings being connected in a series circuit with a power impulse supply 50. As wound, the coils lie loosely in their slots and when an electric current impulse is passed through both coils, the interaction of the resulting magnetic fields compacts the coils in their slots and the end turns 23, 26 are moved from position a to position b towards the end faces of the stator 12 and armature 13. In alternative methods of the invention, the coil groups 21, 22 and 23, 24 also 31, 32 and 33, 34 are connected in parallel in a series circuit with the supply 50, Fig. 9 (not shown), or the stator windings may be connected in parallel with the armature windings, Fig. 8 (not shown). Separate power impulse supplies may be used when simultaneous current impulses of different magnitude in each coil are required, Fig. 10 (not shown). If it is required to alter only one winding the second winding and its accommodating member may comprise a primary winding carried by a member as disclosed in Specification 1,099,054.
Patent GB-1191468-A (GB)
Title: New Oximecarbamates and Pesticidal preparations containing these
IPC: A01N47/24
Filed: 1967-11-08
Abstract: 1,191,468. Pesticides containing carbamates. CIBA Ltd. 8 Nov., 1967 [10 Nov., 1966], No. 50869/67. Heading A5E. [Also in Divisions C2 and C4] Pesticidal preparations especially for combatting pathogenic bacteria and fungi contain together with a carrier an active ingredient at least one carbamate of the general formula: in which R 1  represents an alkoxy, aralkoxy, cycloalkoxy, aryloxy, alkylthio, aralkylthio, cyclcalkylthio or arylthio residue, or in which R 1  represents a secondary or tertiary amido group, R 2  represents a hydrogen atom or aliphatic residue of at most 5C atoms, and R 3  represents a hydrogen atom, aliphatic residue of at most 5C atoms, or an unsubstituted or subsitituted aryl radical. There may also be incorporated one or more of the following additives; solvent, diluent, emulsifier, dispersant, bonding agent, adhesive, thickener and other pesticides. Many examples are given.
Patent GB-1081688-A (GB)
Title: Improvements in or relating to aerial systems
IPC: H01Q11/10
Filed: 1964-12-15
Abstract: 1,081,688. Aerials. CSF. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Dec. 15, 1964 [Dec. 19, 1963], No. 51030/64. Heading H4A. Each element of a logarithmicperiodic aerial array consists of a substantially closed loop conductor having a perimiter which is substantially equal to one wavelength at the central frequency of the pass-band at which that element is designed to operate. As described, the elements are rectangular loops spaced apart in parallel planes inclined to the vertical, their sizes and spacings varying logarithmically. In a system with two aerials of this kind, which are symmetrically disposed at Œ 25 degrees about a central vertical plane from a feed point O, Fig. 1, suspension cables (20), Fig. 2 (not shown) run from masts (11), (12) to a common lower mast (10). The elements (3) are attached to the cables (20), insulators (21), Fig. 4 (not shown), being interposed, and are braced by a steel cable (24). Their lower ends are held by a further cable (22) provided with insulators (26) and the open ends of each loop are connected to a bifilar feeder (40).
Patent GB-1080819-A (GB)
Title: Improvements in fuel injection pumps having a rotary distributing valve
IPC: F02M41/06
Filed: 1964-12-15
Abstract: 1,080,819. Fuel injection pumps. SOCIETE INDUSTRIELLE GENERALE DE MECANIQUE APPLIQUEE. Dec.15, 1964 [Dec.19, 1963], No.51059/64. Heading F1A. The pump described in Application 49233/64 is modified in that no lubricant pump is provided, and a modified means is employed to rotate and axially displace the distributing valve 2, Fig. 1, with respect to the shaft 4. A sleeve 50 having a part-spherical end 50a is provided with two radially inwardly extending pins 52 which engage two helical grooves 53 provided in an end portion 2b of the valve. A spindle 51 extends through the end 50a of the sleeve 50 and carries two rollers 55, Fig. 4, slidable in axially extending slots 54 provided in a flange 4b of the shaft 4. Governor weights 28, pivoted about axes 29, are provided with arms 30, grooves 56 of which engage the outer ends of the rollers 55. A cylindrical member 57, retained within the end 50a of the sleeve 50 by the spindle 51, effects axial movement of the valve 2 when it abuts the valve end 2b. The distance a between the spindle 51 and the right hand face of the member 57 may be adjusted either by reversing the disposition of the member 57 within the sleeve 50, the spindle 51 not passing through the centre of this member, or by replacing the member 51 with one of different dimensions. Sleeve 50 is free to pivot about its spherical portion 50a to accommodate slight misalignment between the shaft 4 and valve 2. Reference has been directed by the Comptroller to Specification 947, 158.
Patent GB-1234946-A (GB)
Title: Polycarbodiimide-polyisocyanurate foam
Inventor: BERNARD DAVID L
IPC: C08G18/02
Filed: 1968-10-29
Abstract: 1,234,946. Polycarbodiimide-polyisocyanurate foams. MOBAY CHEMICAL CO. 29 Oct., 1968 [31 Oct., 1967], No. 51158/68. Heading C3C. A polycarbodiimide - polyisocyanurate foam is claimed which consists of a polymeric foam comprising both isocyanurate and carbodiimide groups. The foam may be made by polymerizing an organic polyisocyanate, e.g. a polyaryl polyalkylene polyisocyanate, in the presence of a catalyst which promotes the formation of carbodiimide groups, e.g. phospholines, phospholine oxides and sulphides, phospholidines, and phospholidine oxides and sulphides, and a catalyst which promotes the formation of isocyanurate groups, e.g. sodium phenate and trichlorophenate, alkylamino phenols, lead naphthenate, benzoate and oleate, and potassium oleate. A blowing agent e.g. hydrocarbon, halogenated hydrocarbon, azo compound or acetone, may be used.
Patent GB-1247702-A (GB)
Title: Bipolar differential discriminator
Inventor: FOWLER WILLIAM REY
IPC: H03K5/22
Filed: 1968-10-29
Abstract: 1,247,702. Bipolar discriminator. MOTOROLA Inc. 29 Oct., 1968 [30 Nov., 1967], No. 51260/68. Heading H3T. ' A strobed discriminator 36 receives bipolar signals, for example from a differential amplifier 34, and provides a single polarity output 6, and consists of input transistors 10, 12 driving further transistors 14, 16 respectively which are also connected to the opposite driving transistors 12, 10 such as by connecting their emitters, and whose outputs are connected together at the output 6. Each input transistor 10, 12 has its emitter connected through a respective gating transistor 18, 20 and through a common resistor 24 to supply -V3, a strobe pulse at 7 rendering the transistors 18, 20 conductive. The transistors 14, 16 have a common collector resistor 21 so that when one or the other conducts according to the polarity of the differential amplifier output, the voltage at 6 falls. This fall is transmitted through a diode-connected transistor 78 and a capacitor connected transistor 80 to the base of a normally conducting transistor 88 to turn it off and increase the current flow in a transistor 94. A doublediode-connected transistor 84 having two emitters prevents transistor 88 from saturating. The transistor 94 drives an emitter follower 102 having another double-diode-connected transistor 98 to clamp the positive limit of its base voltage to earth; the output 40 being consequently - VEB, the emitter-base drop of transistor 102. The negative limit of the output, existing when the transistor 88 is normally on, is defined by the approximatley Earth potential on transistor 94 emitter (its base being VEB above E on account of the double diode 84 and the emitter-base function of transistor 88), and by the voltage drop across diode 98 and the emitter-base function of transistor 102, so giving an output of - 2V EB . The output thus swings between about - 0.8 V and - 1-6 V in response to the input at 31. A voltage supply circuit 71 includes an emitter follower 68, and a pair of temperature compensating diode-connected transistors 64, 66; the differential amplifier 34 also includes a temperature compensating diode 56
Patent GB-1433130-A (GB)
Title: Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them
IPC: C07C205/12
Filed: 1972-11-09
Abstract: 1433130 Substituted biphenyl and polyphenyl compounds DEFENCE SECRETARY OF STATE FOR 9 Nov 1973 [9 Nov 1972 16 July 1973] 51698/72 and 33709/73 Heading C2C [Also in Divisions C4 and H4] The invention comprises substitued biphenyl or polyphenyl compounds being one of the following (a) (b) a derivative of Formula I above wherein one of the phenyl rings is laterally substituted, or (c) a derivative of Formula I above having a bridging group bridging any two adjacent ortho positions on adjacent phenyl rings of the structure, wherein m is zero or an integer equal to one or more and X is alkyl, alkoxy, alkenyl or alkanoyloxy. Specified lateral substituents are methyl groups and halogen atoms. Specified bridging groups are or -CH=CH-. Compounds of the above Formula I wherein X is alkyl may be obtained, for example, by acylating 4-bromobiphenyl with an alkanoyl chloride, reducing the resulting 4<SP>1</SP> - alkanoyl - 4 - bromobiphenyl and treating the 4<SP>1 </SP>- alkyl - 4 - bromobiphenyl with cuprous cyanide. Compounds of the above Formula I wherein X is alkoxy may be obtained by alkylation of the OH group of a compound of the formula or a derivative thereof and then substituting the Br by CN. The products have useful liquid crystal properties. 41 - n - Alkoxy - 4 - bromobiphenyls may be obtained by alkylating with an n-alkyl bromide 4-bromo-4<SP>1</SP>-hydroxybiphenyl which itself may be obtained by diazotization of 4<SP>1</SP>-amino-4-bromobiphenyl followed by hydrolysis with aqueous H 2 SO 4 . 4-Amino-4-bromobiphenyl may be obtained by reduction of 4<SP>1</SP>-nitro-4-bromobiphenyl with Fe dust and concentrated HCl. 7-n-Alkoxy- 2-bromofluorene may be obtained in an analogous manner from 7-nitro-2-bromofluorene via 7- amino - 2 - bromofluorene and 7 - hydroxy - 2- bromofluorene. 7 - Nitro - 2 - bromofluorene may be obtained by nitration of 2-bromofluorene 4<SP>1</SP> - n - Alkoxy - 2<SP>1 </SP>- methyl - 4 - bromobiphenyls may be obtained by diazotization of 4<SP>1</SP>-n-alkoxy- 2<SP>1</SP>-methyl-4-aminobiphenyl followed by treatment with Cu 2 Br 2 . 4 - Alkenyl - 4 - bromobiphenyl may be obtained by dehydration with glacial acetic acid of the alcohol obtained by reduction with LiAlH 4  of a 4<SP>1</SP>-alkanoyl-4-bromobiphenyl. 4<SP>1</SP>-Hydroxy-4-cyanobiphenyl may be obtained by reaction of 4<SP>1</SP>-hydroxy-4-bromobiphenyl with Cu 2 CN 2  in DMF. (-) 2-Methylbutyl-p-toluene sulphonate may be obtained by treating (-) 2-methylbutan-1-ol with p-toluene sulphonyl chloride in dry pyridine.