baber/WOPTO huggingface dataset:
Patent GB-1267211-A (GB)
IPC: H03D1/22
Filed: 1969-07-15
Abstract: 1,267,211. Stereophonic radio receivers; automatic frequency control. INTEGREX Ltd. 14 July, 1970 [15 July, 1969], No. 35600/69. Headings H3A and H4L. A stereo decoder 14 for broadcast receivers incorporates a circuit for recovering the suppressed subcarrier comprising an oscillator 44 tuned to subcarrier frequency and locked at that frequency by a phase-sensitive detector 30 receiving a frequency-divided output from the oscillator over line 34 and the incoming pilot tone signal at 32, and controlling the oscillator via a low-pass filter R1, Cl. As described, oscillator 44 (which may be a relaxation or multivibrator oscillator) runs at 38 kc./s., and a one-stage frequency-dividing flip-flop 52 provided a 19 kc./s. signal to be looked to the pilot tone. The arrangement is described as eliminating phase errors caused in conventional pilot-tone amplifiers and frequency-doublers by circuit-value changes due to temperature &c. Transistor circuits for units 30, 44 and 48 are described and illustrated (Figs. 2 and 3, not shown); the detector 30 may comprise a balanced pair of transistors gated by antiphase signals from 52 and both supplied with the input (pilot-tone) signal so that the differential output is zero with the signals in quadrature.
Patent GB-1289451-A (GB)
IPC: G06F7/24
Filed: 1971-05-03
Abstract: 1289451 Sorting data words represented by electrical signals NATIONAL CASH REGISTER CO 3 May 1971 [4 May 1970] 12642/71 Heading G4M In a sort operation, e.g. with regard to payroll records, a block of data, e.g. of 20 words has a key word such as the employee number which is used to arrange the records in order such as ascending order of employee number. A processor 20 allocates a portion of a main memory 10 into a work area 11, a parameters file 13 and an output buffer or string list area 12. Records, e.g. from punched cards are read into the work area 11 until the area is full. In the parameter file is stored the initial address Bo of the first record in area 11, the address of the final record, the length of the key word, the location Go of the first key word, the initial address Po of area 12, the final address Pin of area 12 and the length, e.g. 20 words of each record. A command is sent to a sort processor 30 which contains a micro-programme store. The command has a function code indicating the nature of the sort operation and an address Ao defining the intial location of the parameter file. Data from the parameter file is stored in a register file 42 of the sort processor 30 and successive key words are read from the main memory 10 and stored in a search memory 35. The search memory may be a recirculating memory formed of MOS dynamic shift registers or may be an associative memory with LSI components, and has a section storing a key word and a section storing the address Bo to Bu of its associated record. The key words are found by incrementing address Go with the number of words in the record. When memory 35 is full the micro-programme store 45 commences an operation fetch the next lowest Key word. A key word is read into a register 38 and transferred to register 40 while a further word enters register 38. The words are compared using comparator 39b and the lowest word is transferred to or remains in register 40 while another word is entered and compared and the process continues until all words have been compared. The address Bo of the lowest key word is then stored at address Po of area 12 and the keyword is stored in register 38. The word in register 38 is incremented by 1 and the words in store 35 are searched for equality using comparator 39a. The key word is successively i ncremented until equality occurs wherein the new word is used as a base word in register 38 and its address Bo-Bu is stored in address Pi of area 12. The process is continued until area 12 is full. The list in area 12 is used to store records from area 11 in ascending order of the employee number on magnetic tape and more records may then be read in and sorted. Several resulting strings of data may then be sorted and merged.
Patent GB-1295269-A (GB)
IPC: F04D9/00
Filed: 1969-12-09
Abstract: 1295269 Centrifugal pumps JOSEPH LUCAS (INDUSTRIES) Ltd 19 April 1971 [9 Dec 1969] 59940/69 Heading F1C [Also in Divisions B2] An electrically driven pump comprises a chamber 30 having an inlet and a pair of concentric annular outlets 31,32 and forming part of the rotor of an induction motor, each chamber outlet being formed with impeller blades 33, 34, and a casing 35 surrounding the chamber and forming part of the stator of the motor, the casing having a pair of passages 36, 40 each of which communicates with a respective one of the chamber outlets and with outlets 37,41 from the pump. The pump shown is submerged in a fuel tank. Vapour in the fuel entering the chamber 30 is separated centrifugally from the liquid, whereby substantially vapour-free liquid enters the outlet 31 and is discharged at 37 to an engine while a mixture of vapour and liquid enters the outlet 32 and passes to a further chamber 38 in the rotor and is discharged via a stationary passage 40 to the interior of the tank via the outlet 41. Centrifugal action forms a liquid seal against the walls of the chamber 38, to a radial depth determined by a flange 39. The liquid seal prevents the return of liquid to the chamber 30 via the outlet 41. In another embodiment, the chamber 38 and passage 40 for the mixture of vapour and liquid are replaced by a volute passage similar to the volute passage 36 for the liquid and communicating with the tank via a non-return valve.
Patent GB-1295314-A (GB)
IPC: B65G45/12
Filed: 1970-05-01
Abstract: 1295314 Battery cages "THE EGGMEN" Ltd 4 May 1971 [1 May 1970] 21169/70 Heading AIM [Also in Division B8] A tier 10 of a battery of poultry cages comprises a droppings belt 21 which between rollers 18, 19 at one side of the tier, is engaged by a scraper 22. At one of its ends, the belt is wound on a storage roller 20 rotatable by a handle 25 so that droppings are removed by the scraper and discharged to the side of the cages. Brackets 14, 15 for supporting the rollers 18, 19, 20 are secured to a framework 17 by bolts 16. An egg floor 11 has a continuation part 11a beneath a feed trough 12.
Patent GB-1295451-A (GB)
IPC: H04J1/08
Filed: 1969-09-25
Abstract: 1295451 Transistor switching circuits; substation apparatus GENERAL ELECTRIC CO Ltd 24 Sept 1970 [25 Sept 1969] 47248/69 Headings H3T and H4K Battery powered electronic telephone apparatus comprises two opposite conductivity type transistors 1, 6 which are both on or both off in dependence upon a control signal, such as that applied to T9, and a voltage stabilizing element such as a Zener diode 5 in series with one of T1, T6 supplies a load such as the bias circuit of an amplifier T12, 14, 16. The amplifier draws its power directly from the exchange battery lines 2, 4 provided T1, T6 are on. If T1, T6 are off (no-signal condition) the bias circuit turns off T12, and T14, T16 are arranged to turn off in consequence, thus removing drain on the battery. A Zener diode in T6 collector circuit may be replaced by a series pair of silicon diodes. The amplifier forms part of apparatus (not shown) for modulating and demodulating carrier signals with voice frequency signals.
Patent GB-1296394-A (GB)
IPC: H01B1/02
Filed: 1969-02-07
Abstract: 1296394 Cables PIRELLI GENERAL CABLE WORKS Ltd 30 Jan 1970 [7 Feb 1969] 6783/69 Heading H1A The wires or wire layers of a Milliken type cable, such as described in Specification 412,017, are coated with thin films of aluminium or aluminium alloy to provide a high interfacial resistance between adjacent wires and layers. The aluminium coatings may be applied by spraying or hot-dipping, by transference from an aluminium block by means of a rotary wire brush, or by direct rubbing contact with aluminium in block or powder form. The wires are of copper. The contact resistance of the aluminium may also be modified by heat treatment.
Patent GB-1296770-A (GB)
IPC: B65H3/08
Filed: 1970-11-24
Abstract: 1296770 Feeding sheets DE LA RUE INSTRUMENTS Ltd 28 Oct 1971 [24 Nov 1970] 55743/70 Heading B8R A sheet separating device has a pneumatic suction arm 3 oscillatable on a shaft 21 and a bearing portion 4 adapted to engage the foremost sheet of a pile N through the operation of the device, the pile being biased, e.g. by a spring means or a weight operating via leverage, towards the bearing portion, oscillation occurring about an axis substantially coincident with a line of contact between the foremost sheet and the bearing portion, means, e.g. rollers (9), Fig. 3 (not shown) and segmental rollers (10), being provided to seize the seperated sheet. The suction arm 3 has a sheet engaging face 6 and is mounted on an eccentric hollow shaft, vacuum being applied via a pipe 25 and the shaft to the face 6. Sheets may be separated from the top or bottom of a horizontal pile or from a pile on edge, a lip (2) preventing double separation and the bearing portion urging the pile backwards and forwards during oscillation of the eccentric shaft to jog the pile.
Patent GB-1297023-A (GB)
IPC: B41B27/28
Filed: 1970-01-30
Abstract: 1297023 Phototype setting apparatus DR -ING RUDOLF HELL 30 Jan 1970 [19 Feb 1969] 4696/70 Heading H4F In electronic phototype setting apparatus in which a character original for each of the characters to be set is photo-electrically scanned pointby-point and line-by-line and in which each of the successive black and white image line portions is given a binary number in dependence upon their lengths which is stored, to reduce the data required to be stored for each character the fact is used that frequently adjacent image lines are identical, i.e. all that is necessary is for a recalling order to be stored. According to the present invention this is effected by providing for each of the adjacent identical image lines with the exception of the last one to be scanned (or the last few if high resolution is required) a scannable marking in the character original in line with the identical image lines, e.g. transverse marking bars 1, 2 and 3, Fig. 1, a vertical scanning raster being used. The pulse produced by scanning this marking prevents, on storage of the binary data of a line, the storage of data of a further identical image line, and induces the storage of orders for recalling the data of the first of these identical image lines during the setting process, i.e. causes a code combination to be stored.
Patent GB-1301510-A (GB)
IPC: G03G13/02
Filed: 1970-12-23
Abstract: 1301510 Grounding electrophotographic plates KONISHIROKU PHOTO INDUSTRY CO Ltd 23 Dec 1970 61223/70 Heading H1K In an electrophotographic plate comprising a photoconductive layer on a conductive support the support is grounded solely through the photoconductive layer. In an embodiment a conductive support 9 comprising an aluminium plate, conductive rubber or paper or an insulating support e.g. cellulose acetate, polystyrene, polyester or paper with an evaporated conducting film thereon e.g. Al, Sn, TiO 2  or Cu 2 I 2 , has an optional casein layer 10 thereon and a zinc oxide layer 11. The surface of layer 11 is grounded by conductive strips 14 placed along opposite or all edges of the layer. The strips are preferably aluminium plates but may be paper, conductive rubber or aluminium on polyester. Alternatively the grounding plate may be a conductive roller or a plate having points to contact the surface.
Patent GB-1302944-A (GB)
IPC: C08K5/00
Filed: 1970-04-24
Abstract: 1302944 Vulcanizing rubber MOSKOVSKY INSTITUT TONKOI KHIMICHESKOI TEKHNOLOGII IMENI M V LOMONOSOVA 24 April 1970 19768/70 Heading C3E Synthetic diene rubber is vulcanized using as accelerator a thiazine derivative of formula wherein R 1  is hydrogen, C 1 -C 5 -alkyl or aryl and R 2 , R 3  and R 4  are hydrogen or methyl. Examples describe the vulcanization of polyisoprene, butadiene/alpha-methyl styrene or polychloroprene rubbers using an accelerator selected from (i) 2-methylamino-5,6-dimethyl- 4H - dihydro - 1,3 - thiazine, (ii) 2 - ethylamino- 4,4,6 - trimethyl - 4H - dihydro - 1,3 - thiazine, (ii) 2 - methylamino - 4,4,6 - trimethyl - 4H - dihydro - 1,3 - thiazine, (iv) 2 - n - propylamino- 4,4,6 - trimethyl - 4H - dihydro - 1,3 - thiazine, (v) 2 - phenylamino - 4,4,6 - trimethyl - 4H- dihydro - 1,3 - thiazine, or a combination of (ii) or (v) with di-2-benzothiazolyl-disulphide.
Patent GB-1314962-A (GB)
Title: Tyre mounting tool
IPC: B60C25/02
Filed: 1971-01-08
Abstract: 1314962 Gripping tool GOODYEAR TYRE & RUBBER CO (GT BRITAIN) Ltd 8 Jan 1971 968/71 Heading B4W [Also in Divisions B7 and E2] A method of mounting a pneumatic tyre comprises progressively displacing the tyre bead to a position behind a wheel rim whilst a portion of the bead 18 is retained behind the rim 17 at one position therearound by a tool 10 embracing the rim and maintained in position thereagainst by pressure from the adjacent portion of the tyre 24. The tool is a generally V-shape plate, one leg of which comprises a lever 16 contoured at one end along the inside edge 22 so as to mate with the contour of the axially inner side of the rim, and secured at the other end thereof to the second leg 30 of the V-shaped plate. An arm 12 rigidly extends from the end of the second leg generally towards the free end of said lever. A heel 13 is situated at the inside edge of the front end of said arm and is forced into engagement with the axially outermost edge of the rim 14 by the side wall of the tyre to thereby resist the tendency of said portion of the bead to move out of contact with the axially inner surface of the rim.
Patent GB-1323319-A (GB)
Title: Package and dispenser
IPC: A61F15/00
Filed: 1970-07-31
Abstract: 1323319 Article dispensing ribbon NAUTILOID CORP 31 July 1970 37080/70 Heading B8C Articles are held on a carrier ribbon 110 which is wound into a coil 116 and has its adjacent upper and lower surfaces sealed together so that each article is enclosed in a separate chamber. As shown, adhesive bandages 12b are transferred by a finger 122 to the lower surface 108 of the carrier ribbon 110, an adhesive rectangle 124 is applied around each bandage 12b by a print roller 128, and the ribbon is knurled by roller 140 and wound into a coil 116 on a reel 118. Dispensing means for the ribbon comprise a housing for the coil 116 having an opening through which the end of the ribbon is drawn to expose one bandage 12b. The free end of the ribbon may be pulled from the dispenser by hand or may re-enter the housing to be wound on a shaft which may be operated mechanically or by means of an electric motor. The bandages may have a non-adhesive strip or tab at one or both ends to facilitate their removal from the ribbon.
Patent GB-1326489-A (GB)
Title: Reverse osmosis membranes
IPC: D01D5/24
Filed: 1971-08-27
Abstract: 1326489 Reverse osmosis membranes HERCULES Inc 27 Aug 1971 40433/71 Heading B5B [Also in Division B1] A reverse osmosis membrane comprises a sheet or hollow fibre of a cross-linked derivative of cellulose selected from: (a) hydroxyalkyl ethers of cellulose in which the hydroxyalkyl group has 2-6 C atoms; (b) mixed ethers of (a) in which the hydroxyalkyls contain an average of 2-6 C atoms; (c) mixed hydroxyalkyl-alkyl and mixed hydroxylalkyl-aralkyl ethers of cellulose in which the hydroxyalkyl group contains 2-6 C atoms, the alkyl group contains 1-6 C atoms and the aralkyl group contains 7-12 C atoms; (d) mixed hydroxy alkyl-aminoalkyl ethers of cellulose in which the hydroxyalkyl group contains 2-6 C atoms and the aminoalkyl group contains 2-10 C atoms; and wherein the degree of polymerization is from 25-5000, the degree of substitution is at least two. The derivatives are made by reacting cellulose with the appropriate epoxide (specified). Crosslinking may be effected with, e.g. dimethylolurea, ethylenedimethylolurea, hexamethylene diisocyanate, 2,4 - toluene diisocyanate, methylene bis - 4 - phenyl isocyanate, polymethylenepolyphenyl isocyanate, polyhydroxymethyl melamine, diglycidyl ether of bisphenol A or the triglycidyl ether of glycerol. Toluene sulphonic acid and dibutylin diacetate may catalize the cross-linking. The cross-linking may vary in amount through the membrane. If in the form of hollow fibres the membranes may be vacuum drying and extruding at 200 F. inlet temperature, 300 F. die temperature. The melt is extruded at a 2 : 1 compression ratio through a one hole die equipped with a pin for admitting nitrogen into the centre of the fibre during extrusion. If in sheet form the membrane is supported on a microporous substrate, e.g. of nylon cellulose acetate, P.V.C., nitrocellulose, metals, or P.T.F.E. The membrane may be multilayered. The substrate is pre-wetted before the membrane material is cast or laid upon it. The membranes are used for desalination of brackish or sea water or concentration of maple syrup, citrus juice, whey, coffee, soup, malt beverages or spent sulphite pulping liquors.
Patent GB-1329086-A (GB)
Title: Bleaching composition
Inventor: HYNAM B
IPC: C11D10/04
Filed: 1969-08-29
Abstract: 1329086 Bleaching composition UNILEVER Ltd 27 Aug 1970 [29 Aug 1969 26 May 1970] 43235/69 and 25098/70 Heading D1P A bleaching composition oomprises water, an alkali-metal hypochlorite, a hypochloritesoluble surface active agent and an alkalimetal salt of a C 8  to C 18  fully saturated fatty acid, the weight ratio of the hypochloritesoluble surface active agent to the alkali metal salt of the fatty acid being from 90:10 to 20:80 and preferably 80:20 to 60:40. The bleaching composition may also contain a perfume, in which case the weight ratio of the surface active agent to alkali metal salt of the fatty acid is 90:10 to 70:30 and preferably 80:20 to 70:30 and the weight ratio of the total surface active agent content of composition to the amount of perfume present in composition is not less than 85:15 or preferably 88:12 to 95:5. The perfume comprises from 0.55 to 0.2% by weight of the composition, also the surface active agent and the alkali-metal salt of the fatty acid together comprises from 0.5 to 2.5% by weight of the composition. The hypochlorite-soluble surface active agent may be an amine oxide containing a C 8 -C 18  alkyl group or a substituted betaine containing a C 8 -C 18  alkyl group. It is desired that the prepared aqueous alkali-metal hypochlorite solution has an increased viscosity preferably 10 to 100sS and is at 25C satisfactorily perfumed. The alkali-metal hypochlorite, usually sodium hypochlorite, generally comprises 1 to 10% by weight of the bleaching composition, which may optionally contain caustic alkali. A suitable way of incorporating the thickening mixture is to form a pre-mix of hydrotrope and soap in warm water and then add hypochlorite solution to the pre-mix to obtain the desired final composition.
Patent GB-1331565-A (GB)
Title: Steel making converter
IPC: C21C7/10
Filed: 1971-04-19
Abstract: 1331565 Metallurgical converters EISENWERKE-GESSELLSCHAFT MAXIMILIANSHUTTE mbH 19 April 1971 [18 Feb 1970] 22096/73 Divided out of 1331564 Heading F4B A converter for the production of chromium steel from a crude iron melt as disclosed in Specification 1,331,564 (Division C7) comprises a steel jacket 3 of plates vacuum-tightly welded together with a refractory lining 4 and bottom blowing nozzles 7, a detachable hood 13 arranged to seal the converter mouth 12, a waste gas outlet 14 connectible to a vacuum source, and an air lock 15 for the addition of alloying elements. The nozzles 7, which are inclined to the longitudinal axis of the converter, each comprises an inner and outer tube 9 and 11 connected to conduits 8 and 10. Tube 9 supplies nitrogen-free oxygen and tube 11 an inert gas. A taphole 17 is closed by a gas-tight flap 18 during refining.
Patent GB-1338707-A (GB)
Title: Handcarts
IPC: B62B1/12
Filed: 1971-07-27
Abstract: 1338707 Handcarts J G SCHOON 13 July 1972 [27 July 1971] 35304/71 Heading B7B A handcart has a base and a peripheral wall which comprises at least two parts which telescope one into another towards the base. In a preferred embodiment the uppermost part 2 of the container 1 is hooked to a telescopable handle 6 pivoted on a support member 7. A leg 10 is pivoted to support 7 which has a rim 9 for supporting wheels 11 having axles 12 held by clips 13. The axles are bent to pass through holes 15 in the support 7 and terminate in knobs 14 so that for folding the clips 13 are released and the axles are drawn through the holes 15 for the wheels to lie flat against the underneath of support 7, Fig. 3 (not shown). In an alternative construction, Fig. 4 (not shown), the handle is pivoted at the front of the support 7 and has a leg integral therewith. The handcart may be of plastics material and may have a flexible cover 20.
Patent GB-1341032-A (GB)
Title: Personal sanitary appliance
IPC: A61F5/455
Filed: 1970-03-20
Abstract: 1341032 Personal sanitary appliances I P CROWLEY 19 April 1971 [20 March 1970] 13703/70 Heading A5R A personal sanitary appliance for incontinent females (shown in situ in a wearer) comprises a first portion 11 for insertion in the vagina and having an aperture 16 for receiving secretion from the uterus 28, and a second, vestibular portion 12 having an aperture 18 for receiving fluid from the urethra 32, both apertures communicating with an outflow passage 22 which in turn communicates with a chamber 23 having an outlet 24 which outlet is provided with a one way valve 25 comprising two plastics sheets 26 fixed at one of their edges on the outside of the chamber 23 about the aperture 24, the sheets being adapted to close the aperture 24 by engagement of their adacent faces, and a receptacle 29 attached, about the valve 25, to the chamber 23. In use, the portions 11, 12 are inserted and clamps (not shown) are placed on the passage 22. The chamber 23 is partially filled with a liquid antiseptic (35), Fig. 4 (not shown) and attached, together with the receptacle 29, to the passage 22, which is then unclamped and the chamber and tubing are allowed to hang vertically. The sheets 26 of the valve 25 are forced open by excess fluid pressure and fluid passes into the receptacle 29 until the pressures on the valve 25 are equalised whereupon the valve closes thereby retaining some fluid in the chamber 23 as shown, this process being repeated on subsequent passing of fluid by the patient, a sub-atmospheric pressure being permanently established at the apertures 16, 18 causing a fluid-tight seal between the appliance and the tissues. The appliance is preferably of a suitable plastics material and screens 21, permeable to fluid preferably cover the apertures 16, 18.
Patent GB-1344620-A (GB)
Title: Electroluminescent devices
IPC: H05B41/392
Filed: 1970-06-10
Abstract: 1344620 Automatic control of electroluminescent devices P HAWKINS and N J WERRING 3 Sept 1971 [10 June 1970] 28031/70 Headings G3R and G3X A direct current electroluminescent device is connected in circut with an element which detects any variation in the operating conditions of the device and varies the current through the device so as to stabilize its output. In a first embodiment, Fig. 1, a transistor 12 receives constant base current from a negative line 16 by way of resistors R1, R2. Changes in the resistance of the electroluminescent device 10 result in variation of the voltage across the transistor such that the current flowing in the device 10 is adjusted to maintain the power dissipated in the device at a constant level. In a second embodiment, Fig. 2, a photo-cell 24 senses the output from the electroluminescent device 20, and controls the bias of transistor 22 so as to maintain the light output constant. In both embodiments, the transistor may be replaced by a thermionic valve or a magnetic amplifier.