baber/WOPTO huggingface dataset:
Patent GB-1259218-A (GB)
IPC: H01F7/04
Filed: 1969-12-19
Abstract: 1,259,218. Magnetic holding devices. M. C. ABERCROMBY. 15 Oct., 1970 [19 Dec., 1969], No. 62124/69. Heading H1P. Device for collecting small ferro-magnetic objects, e.g. pins from a surface comprises (Fig. 1) a shallow vessel 5 with a thin flat bottom 6 defining an end wall of a housing 7; a permanent magnet 12 dependent on a wire 10 being and resting on 6 slidable in the housing. The device is passed over the surface by handle 13 and on inversion the magnet is removed from 6 to release collected matter for removal. In a modification (Fig. 2, not shown) the device is adopted for manipulation by a handle, and a tray having a metal insert in its bottom wall is inserted into vessel 5 to receive collected matter, and to assist in maintaining magnetic strength. The permanent magnets are replaceable by electromagnets, and the device may be attached to a carpet sweeper or vacuum cleaner.
Patent GB-1259250-A (GB)
IPC: H02H7/127
Filed: 1970-07-27
Abstract: 1,259,250. Rectifying. BROWN, BOVERI & CO. Ltd. 27 July, 1970 [29 July, 1969], No. 36269/70. Addition to 1,163,507. Heading H2F. A rectifying system comprises two banks 4, 5 of controlled rectifiers connected in series on their D.C. side, each bank being shunted by a by-pass switch 8, 9 and having means responsive to the initial closing movement..of either by-pass switch 8 or 9 for triggering the controlled rectifiers of the bank so as to form a conductive path across the D.C. side of that bank. Contacts 11 and 12 are arranged -to close the further main by-pass switches 8, 9 so as to trigger a series pair of controlled rectifiers (preferably thyristors) into conduction before the by-pass switch closes.
Patent GB-1290324-A (GB)
IPC: F15C1/02
Filed: 1968-10-11
Abstract: 1290324 Fluidic elements PLESSEY CO Ltd 17 Oct 1969 [11 Oct 1968] 48273/68 Heading G4P In an integrated fluidic structure having a number of fluidic units which are connected together and in which the connection between one pair is required to cross-over that between another pair, the connections are in the same layer of the structure. The two connections 01, I1 and 02, 12 are connected as shown to reaction chamber Re of which inlet B1 is aligned with outlet C1 and inlet B2 with C2. Thus if there is a fluid pulse at B1 or at B2 it will pass to C1 or C2 respectively. If there is a pulse at both B1 and B2 the pulses will interact in the chamber and cause outputs at C1 and C2. The chamber is vented.
Patent GB-1296476-A (GB)
IPC: E21B4/14
Filed: 1970-07-23
Abstract: 1296476 Percussive drills BAKER OIL TOOLS Inc 23 July 1970 [6 Oct 1969] 35652/70 Heading B4C [Also in Division E1] In down-hole percussion drilling apparatus a drill pipe B supports a housing 11 and a cylinder sleeve 23 which contains a hammer piston 36. During the lowering of the apparatus an anvil 10, supporting a rotatable drill bit D, extends from the housing such that piston 36 is lowered in a sleeve 23 to an inoperable position. When the bit contacts hole bottom F the housing telescopes over the anvil until it contacts anvil shoulder 60. The piston may only then be reciprocated. Compressed air, supplied via pipe B to annular passage 28, passes through ports 44 and piston passage 40 to lift the piston from the anvil. The rising piston closes ports 43 so that air in chamber 46 does not escape via piston passage 37, the air being compressed to prevent the piston striking the cylinder head. Near the top of its stroke the piston simultaneously uncovers ports 43; to exhaust air below the piston into annular passage 29; and ports 44; to pressurize chamber 46 from passage 28 via groove 54 of port 55 and passage 37. The piston, propelled downwards by the pressurized air in chamber 46, simultaneously closes ports 44 and 43. When the piston strikes the anvil the air in chamber 46 is exhausted via passage 37 and ports 43 into passage 29. Exhausted air passes from passage 29 through the bit to cool it and clear cuttings. Air may by-pass the piston, in passages that may be throttled, to flow through the bit.
Patent GB-1296848-A (GB)
IPC: H01H15/00
Filed: 1969-11-27
Abstract: 1296848 Slide switch BLAUPUNKTWERKE GmbH 27 Nov 1969 [28 Nov 1968] 57994/69 Heading H1N A slide switch comprises a printed-circuitcontact-carrying strip 14 along which a slidable contact carrier 9 moves, having contact chambers 8 in which spring blades 2 are mounted. Each chamber has an opening 17, and a central rib 23 on either side of which are further ribs 20. The spring blades are U-shaped, Fig. 1b (not shown) and are simultaneously inserted from opposite sides of the chambers such that one end 6 of the blade abuts a shoulder 25 of rib 20 and also central rib 23, and is resiliently bent by the edge 21 of the chamber. The contact carrying strip is inserted into the opening 13 of the contact carrier and is held there by a resilient protruding finger 32 formed in the outer wall of the carrier, Fig. 5 (not shown). A hooked extension 15 of one outer wall is connected to the switch actuator. The contact carrying strip 14 is inserted into the printed circuit board 31 by means of the connecting tags 30.
Patent GB-1297089-A (GB)
IPC: H01L29/73
Filed: 1971-01-19
Abstract: 1297089 Semi-conductor devices SIEMENS AG 19 Jan 1971 [30 Jan 1970] 2678/71 Heading H1K In a transistor amplifier device of semi-conductor material comprising an emitter region 3 with electrode 6, a collector region 4 with electrode 8, and a base region 2 with electrode 7, additional electrodes 15, 16 are provided on the base region so as to produce an electric field in the base region, perpendicular to the emittercollector path, when a potential is applied to the additional electrodes. The field causes impact ionization within the base region, and, in combination with a magnetic field B perpendicular to both the electric field and the emittercollector path enables amplification of high frequency signals applied to the emitter to be achieved. The device may be of a material exhibiting high charge carrier mobility, e.g. indium antimonide, and may be cooled in operation. The resistivity of the emitter region may be greater than that of the base region adjacent thereto to prevent short circuiting of the field in the base region by the emitter, or alternatively the emitter-base junction may be slightly reverse biased for this purpose. In addition, the impurity concentration in the base region may be increased in the region between the emitter and collector regions to increase the field strength therebetween. The device may be operated in the circuit shown, the output being taken across load 13.
Patent GB-1301514-A (GB)
IPC: C07K5/083
Filed: 1970-04-07
Abstract: 1301514 Cystine-peptides FARBWERKE HOECHST AG 7 April 1970 [9 April 1969] 16454/70 Heading C2C A cystine-containing peptide is prepared by ticating a corresponding peptide having at least one S-trityl cystine group with 1-2 moleequivalents of iodine in aqeuous acetic acid. The following starting materials are prepared: BOG and H-Cys(Trit)-Gly ONB; BOCLeu - Cys(Trit) - Gly ONB and H - Liu - Cys- (Trit) - Gly OH; BOC - Val - Cys(Trit) - OH DCHA; BOC - Val(Trit) - Ala - ONB; and H - Val - Gys(Trit) - Ala - OH.
Patent GB-1303552-A (GB)
IPC: B01D53/48
Filed: 1971-07-15
Abstract: 1303552 De-sulphurizing exhaust gases; sulphuric acid T V Y AXEBORG 15 July 1971 33159/71 Heading C1A Sulphur compounds are removed from exhaust gases from fired fuels by introducing into the flame ammonium nitrate and at least one of potassium nitrate or sodium nitrate, mixing the gases with steam in a reaction chamber, cooling the resulting mixed gases and condensing out sulphuric acid. In order to ensure complete conversion of the SO 2  formed into SO 3 , the gases may be passed over a contact catalyst, particularly a vanadium or platinum catalyst. Dust particles may be removed from the gas stream by passage through a dust separator prior to mixing with steam in the reaction chamber.
Patent GB-1306216-A (GB)
IPC: B60R9/055
Filed: 1969-07-01
Abstract: 1306216 Luggage racks WEATHERSHIELDS Ltd 30 Sept 1970 [1 July 1969] 33169/69 Heading B7J In a roof rack comprising a frame composed of a pair of longitudinal members 10 held in spaced parallel relationship by transverse members 11. 12, 13, 14, 15 rigidly secured to the longitudinal members, two arm assemblies 21 of substantially U-shaped outline are pivotably connected at their free ends to plates 19, one of which is welded at each end of the central transverse member 13, the arrangement being such that the arm assemblies are angularly movable about the pivots 24 between a retracted position and an operative position in which they may engage grooves 28 in suitcases supported by the frame (Fig. 1, shown only one suitcase); a locking arm 29 is provided for each arm assembly which is securable by a lock 30 provided in the appropriate outer transverse member 11 or 15. The suitcases each rest on a pair of transverse members 11 and 12 on 14 and 15, a groove 27 being engageable with the outer transverse member 11 or 15. Clips 31 are provided to additionally secure the cases to the rack. The rack has feet 17 and clamps 20 to secure it to the vehicle. The suitcase is preferably of the type described in Specification 1,304,004.
Patent GB-1307825-A (GB)
Title: Diaphragm pump assembly with control circuit
IPC: F04B43/04
Filed: 1970-01-18
Abstract: 1307825 Automatic level control HAMILTON TOOL & GAUGE Ltd 19 April 1971 [18 Jan 1970] 46166/69 Heading G3R [Also in Divisions F1 H2] A liquid level control system includes a diaphragm pump (see Division Fl) having two coils which are alternately energized for a predetermined time period in response to an actuating signal from a capacitative probe 25. Each probe may form part of a bridge circuit coupled to a Colpitts oscillator, the oscillator output terminal being connected to an OR gate to provide a signal indicative of high liquid level to a Schmitt trigger 26. The Schmitt trigger changes its state to provide a signal to a bi-stable circuit 27 which is modified by the provision of a timing capacitor and a unijunction transistor so as to act as a "one-shot" circuit which remains in a quasistable condition for a selected period of one or four minutes. During this period a signal acting through a coupling network 28 causes a multivibrator 29 to energize, through electromagnetic relays or thyristors, the coils of the pump. A NAND gate 30 connected to the circuits 26, 27 provides a signal to a second bi-stable circuit 31 in the event that the Schmitt trigger remains in the state corresponding to a high liquid level when the bi-stable circuit 27 reverts to its stablestate. The second bi-stable circuit 31 is similar to the circuit 27, but remains in its quasi-state for a longer period, e.g. thirty minutes, to provide an output causing the recycling of the circuit 27 and further pumping until the end of that period. The circuits 25....31 are transistorized and illustrated in Figs.3 to 8, (not shown). A protective arrangement, Fig.9 is connected through isolating diodes to various elements of the above system, so that should a transistor or relay fail, a capacitor is charged to fire a unijunction transistor 911. Which triggers an SCR 912 to short circuit the supply to blow a fuse 913 and light a lamp 914. In the event of the pump operating continuously for an over-long period, one of the capacitors is charged through a field-effect transistor 916 to cause operation of the transistor and SCR to blow the fuse 913.
Patent GB-1308229-A (GB)
Title: Food waste disposal units
IPC: E03C1/266
Filed: 1970-08-12
Abstract: 1308229 Sinks with waste disposal units A G JOHNSON and A V G JOHNSON 11 Nov 1971 [12 Aug 1970] 38750/70 Heading A4N [Also in Division B2]  A waste-disposal unit is arranged to be mounted directly on to a sink bush 10 of diameter less than 3 inches and typically of a diameter of 1¢ inches so that the end of the bush projects into the grinding chamber 15. As described the unit is mounted on the bush by a collar 19 of flexible material attached to the outer wall of the grinding chamber, the collar being compressed e.g. by circlip 21. The unit includes a splash guard 22, and a grinder plate 32, Fig.2, having pivoted blades 33 and apertures 37. These blades cooperate with a shroud ring 34 which includes semicircular recesses 35. These permit tramp material to pass. The lower face of the plate 32 includes four equi-spaced shredding blades 38 which cut up unground material which would otherwise jam the machine. A discharge impeller 39 below the plate 32 pumps the waste to the outlet 36. The grinding unit and motor can be removed for servicing and a by-pass pipe 44, Fig. 3, inserted, permitting continued use of the sink 11. (For Figures, see next page)
Patent GB-1311100-A (GB)
Title: High temperature treatment of particulate material
IPC: C01B32/942
Filed: 1969-08-15
Abstract: 1311100 Furnaces for treating materials in suspension HALDOR FREDERIK AXEL TOPSOE 10 Aug 1970 [15 Aug 1969] 40924/69 Heading F4B [Also in Division C1] A reactor for electrically heating freely falling particulate material comprises a carbon reaction tube 1, a ceramic lining 3, a layer 4 of charcoal insulation and a steel shell 2, terminals 6 making contact with the tube through a metal cylinder 7 and a carbon block 9 respectively and a product collector 11 at the bottom of the apparatus. A graphite feed tube 10, gaseous supply and removal pipes 12 and 13 and access ports 5 are also supplied. Within the carbon reaction tube neutral or reducing conditions are maintained. Where the product collects in a molten state the discharge apparatus shown in Fig. 2 may be used. It comprises a crucible 22 with a discharge opening enclosing another crucible 26 shaped as shown to collect a pool 30 of molten material draining from a cover 28. The pool 30 discharges through an outlet 27 and a tube 23. All the parts are made of graphite and are heated by current supplied through the terminal 6. For the production of phosphorus, the charge material comprises phosphate rock, silica and carbon which latter may be deposited in the phosphate rock particles by cracking hydrocarbons. The reactor may also be used for burning clays and cement, for the production of spherical particles of refractories and metals, for the production of carbides stainless, steel and ferro-alloys by reaction of oxides or elements with carbon and the production of volatile chlorides by reaction between oxides and calcium chloride.
Patent GB-1312259-A (GB)
Title: Stroke-limitting means for piston and cylinder devices
IPC: F15B15/24
Filed: 1969-09-30
Abstract: 1312259 Hydraulic systems; reciprocating pumps GULLICK DOBSON Ltd 2 Dec 1970 [30 Sept 1969] 47879/ 69 Headings F1A and F1P A stroke limiting device for a piston 11 which slides within a cylinder 10 and delivers or receives a measured quantity of liquid to or from a ram comprises a stroke limiting rod 12 which is selectively adjustably positioned by a series of abutments 14.. 17. As shown the abutments 14..17 are integral with the rod 12 and cooperate with a stop 18 fast with the cylinder 10. In Fig. 3 (not shown), the abutments comprise a series of adjustably positioned screws in a disc (13) fast with the rod 12. The screws are selectively engaged with the stop (18). In Fig. 4 (not shown), the rod (12) is selectively engaged with a series of abutments formed on a block (13a) which is rotatably mounted on the cylinder. In Fig. 5 (not shown), the rod (12) co-operates with abutment faces (14..17) on a block (13b) eccentrically mounted on a pin (20) so that by turning the block (13b) about the pin (20) different abutment faces are presented to the rod (12). In Fig.6 (not shown) the piston (10) and cylinder (11) deliver a measured quantity of fluid to a hydraulic ram. In Fig. 7 (not shown) the piston and cylinder (10, 11) receive a measured quantity of liquid from a ram.
Patent GB-1317551-A (GB)
Title: Stabilizer system for a water-borne vessel
IPC: B63B39/06
Filed: 1969-02-27
Abstract: 1317551 Stabilizers VOSPER Ltd 26 May 1970 [27 Feb 1969] 10552/69 Heading B7M [Also in Division G3] A ship's stabilizer comprises one or more members 11 projecting from the hull and having means for ejecting water selectively from slots 18-21 to vary the lift of the member according to signals derived from a gyro-sensor 23 (Fig. 3) which operates through an electric control unit 24 on a solenoid valve 33 which controls a servomotor 35 actuating valves 26, 27 arranged to proportion the output of a pump 29 to chambers 15, 16 in members 11. The pump is fed from a forward facing inlet 28 in the hull 13. The members 11 can be arranged to control any combination of pitch, roll or yaw. The members can be retracted into the hull either teletelescopically or pivotally (Figs. 4-6, not shown).
Patent GB-1319009-A (GB)
Title: Plant comprising a rotary kiln and heat exchangers
IPC: F27D13/00
Filed: 1971-12-02
Abstract: 1319009 Suspension preheaters for granular material F L SMIDTH & CO AS 2 Dec 1971 56051/71 Heading F4B A suspension preheater for cement raw materials being fed to a rotary kiln 30 comprises four strings of series connected cyclone separators also arranged in four levels or steps 1A-4A, 9B-12B, 17C-20C and 25D-26D, the strings being arranged symmetrically with respect to a vertical plane through the kiln axis and also with respect to a further vertical flame at right angles to the first in front of the kiln waste gas outlet. Raw material fed to the uppermost riser pipes 5A-8A through valve controlled pipes 31-34 descends through each of the strings in conventional manner. The A level cyclones are twins and the D level cyclones comprise twins 25D and 26D. The C level cyclones discharge material into a central hot gas flue 29 wherefrom it is carried via two branch flues 27D and 28D into the twin cyclones 25D, 26D. These latter discharge the material via outlets 63-66 which unite in pairs to form pipes 67, 68. These extend into and through the flue 29 to discharge the preheated material into the kiln.
Patent GB-1321042-A (GB)
Title: Perfluoroalkyl substituted heterocyclic compounds
IPC: C07D277/04
Filed: 1969-10-28
Abstract: 1321042 Perfluoroalkyl heterocyclic compounds LILLY INDUSTRIES Ltd 19 Oct 1970 [28 Oct 1969] 52837/69 Heading C2C Novel perfluoroalkyl derivatives of the formula where Y denotes H or C m F 2m+1 ; m and n denote 1, 2 or 3; A is -O-, -S- or -NH-; B denotes -(CH 2 ) m <SP>1</SP>-, where m<SP>1</SP> is 0, 1, 2 or 3; and R<SP>3</SP> represents one or more H, C 1-6  alkyl, phenyl or -COOR<SP>4</SP>, where R<SP>4</SP> is H or C 1-6  alkyl, may be obtained by reacting and aldehyde or ketone of the formula C n F 2n+1 .CO.Y with an amine of the formula Pharmaceutical compositions having antiinflammatory and anti-parasitic activity comprise compounds of Formula I above in association with a suitable diluent or carrier in forms suitable for administration orally, rectally or parenterally.
Patent GB-1323933-A (GB)
Title: Method and apparatus for the cooling and liquifaction of gaseous mixitures at low temperature
IPC: F25J1/02
Filed: 1970-08-20
Abstract: 1323933 Gas liquefaction apparatus COMPAGNIE FRANCAISE D'ETUDES ET DE CONSTRUCTION TECHNIP 20 Aug 1970 [12 Feb 1970] 40196/70 Addition to 1122860 Heading F4P  A gas mixture e.g. natural gas liquefaction apparatus comprising two series of vertically arranged heat exchangers 9, 13 and 21, 22 traversed by feed gas which latter is cooled to liquefaction temperature prior to discharge through a valve 23 by heat exchange with a reverse flowing multi-component refrigerant liquid undergoing vaporization; the two coldest exchangers 21, 22 being cooled by downwardly flowing refrigerant issuing from injector heads 19, 20 whilst the exchangers 9, 13 are cooled by upwardly discharged refrigerant issuing from heads 6, 12 said liquid refrigerant being derived from separators 3, 10, 16 at decreasing temperature, and the so-vaporized refrigerant being returned to the intake of a compressor 1 thus forming a closed circuit. Gaseous refrigerant delivered by compressor 1 is partially condensed at 2 and separated at 3. Liquid withdrawn at 3 is in part expanded at a head and the remainder is expanded at a valve 84 and traverses the shell side of an exchanger 4 which serves to condense the less volatile gas withdrawn from 3. Condensate is separated at 10 and the liquid used in expansion head 12 and also in valve 15 and exchanger 11 to condense a portion of gas withdrawn from 10. Condensate from a further separator 16 is expanded in head 19 and gas withdrawn from 16 is wholly condensed at 17 and is then expanded at head 20.
Patent GB-1324450-A (GB)
Title: Glazing units
IPC: E06B3/44
Filed: 1971-11-16
Abstract: 1324450 Windows SERVOTOMIC Ltd 16 Nov 1971 53077/71 Heading E1J A window unit comprises a frame with opposite sides 11, 12 of channel-section, a sash with side members 26, 27 which are slidable in the channels and carry abutments 37, 38 engageable with portions of the frame sides, the abutments being removable to permit removal of the sash. The abutment members 37, 38 snap onto rails 33, 34 on the sash side members and guide the sash for its normal movement along the channels. When the sash is to be removed, an abutment is detached from one side of the sash and the side moved into the adjacent channel (Fig. 3), the other side of the sash is then pivoted outwardly (Fig. 4) and removed. The unit may be added to an existing window.
Patent GB-1325884-A (GB)
Title: Thermoplastic compositions
IPC: C08F285/00
Filed: 1970-09-09
Abstract: 1325884 Graft polymer/polyphenylene ether resin compositions ROHM & HAAS CO 9 Sept 1970 [18 Sept 1969] 43172/70 Headings C3G and C3R A moulding composition comprises (A) a polyphenylene ether resin and (B) a modifier comprising (1) 20 to 80% by weight of a backbone polymer comprising at least 40% by weight of units of butadiene, (2) grafted thereon 80 to 20% by weight of an acrylic polymer comprising at least 50% by weight of units from one or more of the following-C 1  to C 4 -alkyl methacrylates, alicyclic methacrylates, alkyl acrylates, acrylonitrile, and, optionally, up to 50% of units from one or more of the monomers: vinylidene chloride, styrene and other monovinylidene monomers, (3) 0 to 60% by weight of a styrene polymer which if present is grafted to (1) before the grafting thereon of (2). Resin (A) may consist of a polyphenylene ether resin mixed with a homo- or copolymer of styrene or high impact polystyrene. In examples, poly- (2,6 - dimethyl - 1,4 - phenylene)ether is blended with (i) a butadiene-styrene copolymer grafted with methyl methacrylate, (ii) a butadienestyrene-methyl methacrylate copolymer grafted with methyl methacrylate or (iii) polystyrene, butadiene-styrene copolymer and graft polymer (i) or (ii).
Patent GB-1328456-A (GB)
Title: Device for freeing fouled anchors
IPC: B63B21/22
Filed: 1972-05-04
Abstract: 1328456 Freeing fouled anchor A A T SHUTE 4 May 1972 [4 May 1971] 12832/71 Heading B7S A device for freeing a fouled stockless anchor 1 includes a recovery sleeve 10 which is slidable down the anchor line 18 on to the shank 2 which has an abutment 3 over which the sleeve can pass. The leading edge 11 of the sleeve has an attachment hoop 14 to which lifting line 16 is attached before the sleeve is slid down the anchor line. A pull on the lifting line causes the sleeve on the shank to free the anchor and the sleeve is prevented from sliding off the shank by engagement of its trailing edge against abutment 3.