baber/WOPTO huggingface dataset:
Patent GB-1455919-A (GB)
Title: Cutter for opening sealed plastic bags
IPC: B67B7/46
Filed: 1974-12-13
Abstract: 1455919 Cutting devices YOUNG-HO CHOI 13 Dec 1974 53906/74 Heading B4B A cutting device 1 for removing the sealing lip from a bag made from plastics sheet material comprises an elongated channel-shaped body of inverted U section, a ledge 4 projecting from one side of the U section part-way across the interior of the U, a pair of opposed slots 7, 71 in the sides of the U situated parallel to the ledge and an elongated knife 5 inserted in the slots. The body of the device is made from plastics material and the blade of steel.
Patent GB-1171786-A (GB)
Title: Polymers Containing Silicon and Nitrogen
IPC: C08G77/00
Filed: 1966-12-01
Abstract: 1,171,786. Coating. MONSANTO CO. 1 Dec., 1966 [1 Dec., 1965], No. 53930/66. Headings B2E and B2K. [Also in Division C3] Polymers of cyclodisalazanes which form coatings on a variety of substrates have the general formula in which each of R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP> and R<SP>4</SP> are hydrogen or fluorine atoms or a hydrocarbon group or R<SP>1</SP> and R<SP>2</SP>, or R<SP>3</SP> and R<SP>4</SP>, together represent a polyurethane group, n is 1 to 10 and p the degree of polymerisation. Specified substrates include glass, metals, rubber, wood, plastics, leather, textiles and paper. The polymers may be applied in a solvent and subsequently baked. Temperatures of 300C and higher result in cross-linking of the polymers on the substrate securing good adhesion. Additives such as powdered wood, asbestos, glass fibres, metal fibres and pigments may be mixed with the polymers.
Patent GB-1026506-A (GB)
Title: Bicyclodiamines and preparation thereof
Inventor: MARTIN ELMORE LOUIS
Filed: 1962-10-17
Abstract: The invention comprises diprimary diamines of the formula <FORM:1026506/C2/1> wherein X is a bridgehead carbon atom, R is hydrogen or an alkyl or cycloalkyl group or two R groups on different bridges are joined together to form a single bond connecting the carbon atoms of the two CR2 groups or the R groups of two adjacent CR2 groups in the same bridge are joined together to form a benzene nucleus which includes the carbon atoms of said CR2 groups as adjacent ring carbon atoms, and L, m and n are 1, 2 or 3, the sum of (L + m + n) being from 5 to 9.  The diamines may be prepared by converting the corresponding dicarboxylic acids to the acid halides, transforming these to the acyl azides, e.g. with alkali metal azide, and decomposing these by heating to form the diisocyanates, which are then hydrolysed to the diamines. Alternatively, a bicyclic diamine may be made by reducing a corresponding dinitro compound, e.g. with lithium aluminium hydride.  9,10-Diamino-9,10-dihydroendoethano anthracene is prepared by condensing anthraquinone with formamide to give 9,10-bis-formamido-anthracene and half-hydrolysing this to 9-amino-10-formamido-anthracene. The latter is condensed with ethylene to 9-amino-10-formamido-9,10-dihydro-9, 10-endoethano-anthracene which hydrolyses to the diamine. Examples also describe the preparation of the dinitro starting materials by reacting the appropriate bicyclic hydrocarbon with nitrogen dioxide to form first the mononitro compound and then the dinitro compound.
Patent GB-1456459-A (GB)
Title: Method of making devices having closely spaced electrodes
IPC: H01L29/417
Filed: 1974-12-13
Abstract: 1456459 Charge coupled devices TEXAS INSTRUMENTS Inc 13 Dec 1974 [26 Dec 1973] 53978/74 Heading H1K In the manufacture of a CCD a plurality of regions defining PN junctions with the semiconductor substrate are formed at its surface and exposed through an overlying layer of insulation to contact a first layer of metallization which after being patterned to define a set of electrodes is anodized by passing a current from an electrode applied to the back of the substrate to an electrolyte contacting the electrodes via the forward biased junctions. Typically, in forming a three-phase structure, the regions, designed as clock lines, and input and output regions are simultaneously formed by diffusion adjacent a P-type charge transfer path defined in the surface of a P + substrate. The first metallization, of aluminium, defines a first set of electrodes and their connections to appropriate clock lines and after anodization a second metallization is deposited to define electrodes interleaved with the first set and connected to the clock lines via holes in the insulating layer. Alternatively junction forming regions are provided individual to the electrodes formed by the first metallization which also provides one line and connections to some of the electrodes. After anodization and aperturing of the insulating layer and anodization at appropriate points the second metallization is deposited to define the remaining electrodes and clock lines and their interconnections.
Patent GB-1341083-A (GB)
Title: Phase detector initialiser for oscillator synchronisation
IPC: H03L7/091
Filed: 1971-11-22
Abstract: 1341083 Phase detectors; automatic fre-  quency control BURROUGHS CORP 22 Nov 1971 [4 Dec 1970] 54055/71 Heading H3A A phase discriminator arrangement including a phase discriminator which produces an output signal having a slope in one direction when the phase difference between the two input signals lies within a first range, and a slope in the opposite direction when the phase difference lies within a second range, is provided with means for phase shifting one of the two inputs to bring the phase difference into the first range. In an automatic frequency control system, the outputs from a reference oscillator 30 and a controlled oscillator 34 are fed to phase discriminator 33 via logic circuits 31, 32 which ensure that the B output from bi-stable 40 always leads the F output from bi-stable 41 by less than 180 degrees even if the phase difference between the b and f signals from the oscillator is greater than 180 degrees. The comparator 33 comprises two identical units 60, 61, each comprising a ramp generator, which are fed with the outputs BF, BF, BF, BF from the logic circuits. Positive transistions of, for example, BF starts a ramp voltage in 60 which continues increase until a negative transition occurs to clamp it. The clamped voltage is then sampled, and subsequently reset by the BF signal. Unit 61 provides similar output samples, its ramp being initiated by BF and reset by BF. The combined samples provide the AFC signal for oscillator 34 which includes a divider 37. The arrangement may be employed in a disc memory system, Fig. 4 (not shown).
Patent GB-1166875-A (GB)
Title: Color Picture Display
Inventor: BUSHEY FRANKLIN GLENN
IPC: C09K11/08
Filed: 1967-11-28
Abstract: 1,166,875. Luminescent materials. RADIO CORPORATION OF AMERICA. 28 Nov., 1967 [28 Nov., 1966], No. 54074/67. Heading C4S. A blue emitting phosphor has the molar formula ZnS :Ag(x) :M(y) where M is one only of Mg, Ba, Ca or Sr, x is 0À015 to 0À060 (preferably 0À030) wt. per cent and y is 0À02 to 2À00 wt. per cent (preferably 0À30 to 0À50) and the phosphor is substantially free of monovalent cations other than the silver cations. Instanced for M# Mg is x = 0À030, y = 0À35 and 0À32. In the preparation, a mixture of ZnS and silver compounds and a flux such as magnesium chloride is heated at 900 to 1100 C. (e.g. 980 C.), dispersed in water, and solutions of potassium silicate and zinc sulphate added to produce silicate coated phosphor particles. Applications instanced are colour radar and black and white and colour c.r.t.'s (the phosphor being substantially resistant to Cu contamination during tube fabrication) used in combination with phosphors such as green emitting ZnCdS with 0À008 wt. per cent Ag in the range 0À0005 ZnS 60 55 70 to 0À100 and - of - in the range - to - CdS 40 45 30 (e.g. 0À69ZnS.0À31CdS:Ag (0À008).); red emitting yttrium oxysulphide with 3 or 5 mol per cent Eu in the range 2À5 to 5À5, e.g. Y 1 . 94 Eu 0 . 06 -O 2 S; yttrium orthovanadate with 2À5 to 5À5 (e.g. 5) mol per cent Eu and ZnCdS with 0À0005 to 0À010 (e.g. 0À002) wt. per cent Ag and ZnS 17À5 15 20 - = -in the range - to -. CIE co- CdS 82À5 85 80 ordinates are given. Emission at 4400 20 is instanced.
Patent GB-1365539-A (GB)
Title: Forging press
IPC: B21J9/12
Filed: 1971-11-22
Abstract: 1365539 Forging presses SCHLOEMANN AG 22 Nov 1971 [20 Nov 1970] 54088/71 Heading B3H A forging press has a fixed cylinder 5 mounted on a fixed crosshead 1 and a stepped piston 7 which is retracted after a forging stroke by external retraction piston-cylinder units 15, 16 connected to the piston-rod 8 by a crosshead 14. The piston is guided by bushes 17, 18 and has an upper die 12 fixed thereto to act on a fixed lower die 13. A heat-reflecting cage 11 is mounted around the die. In a second similar embodiment, Fig. 2 (not shown), the press drive is below ground and acts on the lower die (13) to move it up towards a fixed upper die (12).
Patent GB-1492700-A (GB)
Title: Hydraulically driven hammer system
IPC: E02D7/10
Filed: 1975-09-16
Abstract: 1492700 Pile drivers RAYMOND INTERNATIONAL Inc 16 Sept 1975 [19 Sept 1974] 54222/76 Divided out of 1492698 Heading B3H A hydraulically driven hammer system comprises a hydraulic piston and cylinder assembly, a movable member of the assembly forming a reciprocable ram and a valve assembly for sequentially connecting a chamber in the piston and cylinder assembly to sources of high and low pressure to produce reciprocating movement of the ram. The valve assembly and the manner of its operation are described in parent Specification.
Patent GB-1414518-A (GB)
Title: Trailer stabilising devices
IPC: B60D1/32
Filed: 1972-11-24
Abstract: 1414518 Stabilizers for coupled vehicles EDUARD BESCH & CO 24 Nov 1972 [25 Nov 1971] 54466/72 Heading B7T [Also in Division F2] A stabilizer for coupled vehicles comprises an angled member 15 adapted to be clamped to an arm 13 of a trailer draw bar 10 and provided with apertures 16 for the attachment of a multihole bar 19, or alternatively the bar 19 may be clamped directly to the tow bar, and a further multi-hole bar 22 connected to bar 19 by an element 25 having a channel on either side of a base-plate, one channel for each of bars 19 and 22, a bolt 24 holding the element 25 and bars 19 and 22 together. The bar 22 mounts at its front end a ball 26 for connection with a socket on the rear end of a shock absorber 30, 31, the socket being connected to the shock absorber by a screwthreaded part 29 and locknut 28 for longitudinal adjustment thereof. The apertures 16 and holes in bars 19 and 22 allow for variable positioning of the shock absorber with respect to the towing vehicle and trailer. The element 25 may be made from a square or circular sheet of metal with pairs of opposite edge parts bent in opposite directions to form base 37 and channels 39, (40). The channels may be at right angles to each other or set obliquely. Where the draw bar comprises only a single bar stabilizers on opposite sides thereof may have a single member 15 or bar 19 clamped thereto and extend transversely from either side.
Patent GB-1316550-A (GB)
Title: Apparatus for intermittent unidirectional rotation of cigarette trays
IPC: A24C5/356
Filed: 1971-11-25
Abstract: 1316550 Packaging machines AMF Inc 25 Nov 1971 [1 Dec 1970] 54882/71 Heading B8C [Also in Division F2] An automatic cigarette packing machine inincludes apparatus for receiving and inverting cigarette carrying trays C which comprises a tray receiving container 2 mounted on an output shaft 1 which is intermittently rotated through 180 degrees. Shaft 5 is continuously driven by pinion 8 slidably keyed on the shaft and carries a worm 7 meshing with worm gear 3 on shaft 1. Rotation of shaft 1 is periodically checked as roller 12 on a spring-loaded detent lever 10 engages projections 104 on a disc secured to gear 3. Worm 7 then draws shaft 5 axially forward against spring 16 until worm head 107 disengages detent lever 10. Rotation of shaft 1 then recommences, and shaft 5 is returned to the starting position.
Patent GB-1454399-A (GB)
Title: Alphaaminoacyl cephalosporin ethers
IPC: A61K/
Filed: 1973-11-27
Abstract: 1454399 Alpha-aminoacyl cephalosporins ELI LILLY & CO 27 Nov 1973 [28 Nov 1972] 54885/73 Heading C2C Novel compounds (I) and their hydrates (wherein R is phenyl, hydroxyphenyl, halophenyl, methylphenyl, methoxyphenyl, 2-thienyl, 3-thienyl or 2-furyl; R 1  is hydrogen, methyl, ethyl or 3-methyl-2-butenyl; R 2  is hydrogen or a carboxylic acid protecting ester forming group; and when R 2  is hydrogen the pharmaceutically acceptable non-toxic salts thereof; with the limitation that when R 1  is hydrogen, R 2  is a carboxylic acid protecting ester forming group other than diphenylmethyl) are made by acylating corresponding 7-amino compounds or by ozonolysis of a 7-amino-3-exomethylenecephem - 4 - carbozylic acid ester (prepared by standard method); decomposition of the ozonide obtained gives the 3-hydrozy compound which is then alkylated to give the 3-OR 1  compound (R 1  is other than H) acylation of which gives (I). An ester (I) can be converted into an acid (I) and vice versa. Standard processes are also described for the preparation of (I) where R 2  is diphenylmethyl. A typical compound (I) is 7-(D-phenylglycylamido)-3- methoxy-3-cephem-4-carboxylic avid dihydrate. The following starting materials are also prepared: p - nitrobenzyl 7 - [N - (t - butozycarbonyl) - D - phenylglycylamido] - 3 - methoxy - 3- cephem - 4 - carboxylate and the corresponding 4-carboxylic acid, and p-nitrobenzyl 7-[N-(1- carbomethoxy - 2 - propenyl) - D - phenylglycylamido] - 3 - methoxy - 3 - cephem - 4 - carboxylate.
Patent GB-1072539-A (GB)
Title: Improvements in or relating to garments
IPC: A41D27/20
Filed: 1966-01-14
Abstract: 1,072,539. Garment pockets. H. W. DUNCAN. Jan. 14, 1966, No. 55022/65. Heading A3V. [Also in Division B5] A method of securing a pocket to a garment such as an overall made wholly or partially of thermoplastic material comprises the steps of locating a former (not shown) over a pocket blank 14, lapping the edges of the blank over the upper surface of the former on all but one side, laying the garment over the former and the lapped edge and applying heat from the inside of the garment to produce a weld 23 which is concealed from the outside by the pocket. Heat for welding may be produced by high frequency radio waves and the ends 13A of the weld may be reinforced by stitching.
Patent GB-1291592-A (GB)
Title: A track system or roadway for miniature vehicles
IPC: A63H18/02
Filed: 1969-11-11
Abstract: 1291592 Toy vehicle track MATTEL Inc 11 Nov 1969 [29 Nov 1968] 55092/69 Heading A6S  A track, or roadway 10, for model vehicles 12 comprises sections 14, 16 which may be interconnected to form a complete system. Each section is of uniform cross-section and comprises an upper face portion 18 forming a vehicle guiding section 20, having flanges 26, 28 to confine to vehicle to the roadway. The width of this section may be wider than the width of the vehicle, and the flanges 26, 28 may be sloped away from the surface to reduce frictional losses between the track and the wheels of the vehicle. The track also has a lower connecting portion 30 with a face 32 under face 18 and two lower connecting walls, or flanges 36 and 38 with inward facing lips to form a slot 40, having grooves 42, 44. The walls 36, 38 generally are of an L-shaped section, which are able to receive a connector 34. The connector 34 is of a substantially flat cross-section and has protuberences 52 along each edge and depending from alternate faces. The thickness of the connector plus a protuberance is greater than half, but less than the whole width, G of the grooves 42, 44 so that when the connector is inserted into the slot 40 it adopts a sinuous form (Fig. 2-not shown) enabling effective connection to be made between two track sections. Reference has been directed by the Comptroller to Specification 1233755.
Patent GB-1364721-A (GB)
Title: Apparatus for protecting a power supply line
IPC: H02H3/04
Filed: 1971-11-29
Abstract: 1364721 Protective arrangements COMPAGNIE DES COMPTEURS 29 Nov 1971 [2 Dec 1970] 55365/71 Heading H2K In a protective arrngement in which the incorrect operation of a fault sensing device M, e.g. an impedance relay or undervoltage relay, due to the blowing of a fuse FPa ... FPc is prevented by a first detector device P responsive to an open-circuit condition of a fuse, a second detector device DA is provided and responds to currents down circuit of the fuses to provide a signal in the period taken by a fuse to melt before the device P can become fully effective. The device P may be that of Fig. 4 of Specification 1,302,303 and with the device DA is connected to an OR-gate OU1 so that a signal from either device causes a relay R1 to open its contacts r11, r12 to prevent the device M causing the opening of a circuit-breaker D.
Patent GB-1128050-A (GB)
Title: Improvements in electrical circuitry for timekeeping instruments
IPC: G04C3/027
Filed: 1965-12-31
Abstract: 1,128,050. Clocks and watches. UNITED STATES TIME CORP. Dec.31, 1965 [Jan.2, 1965], No.55462/65. Heading G3T. [Also in Division H3] An electronic timepiece comprises a permanent magnet 10 and a coil 14 mounted for relative mechanical oscillation, the coil 14 acting both as a pick-up coil and as a drive coil for maintaining the relative mechanical oscillation, a source 16 of direct current, an RC network, e.g. a condenser 26 and resistor 24, and an astable multi-vibrator including complementary transistors 18, 20 the emitters of which are connected together, and wherein the collector of the transistor 18 is connected to the current source 16, and the collector of the transistor 20 is connected to one end of the coil 14. In the illustrated embodiment the magnet 10 oscillates relatively to a fixed coil 14, the mechanical oscillation being started by the closing of a switch (not shown) whereby the condenser 26 charges through the resistor 24 to apply a negative voltage to the base of the transistor 18 so that current flows through the transistors 18, 20 in series to produce a current pulse in the coil 14. At the same time the condenser 26 discharges through the transistors 18, 20 which then become non-conducting to be rendered conducting again by each voltage pulse generated in the coil 14 by the relative movement of the coil and magnet.
Patent GB-1445758-A (GB)
Title: Method of and apparatus for thread rolling
IPC: B21H3/04
Filed: 1973-11-29
Abstract: 1445758 Rolling threads HUTOGEPGYAR 29 Nov 1973 55482/73 Heading B3M A thread is rolled on a cylindrical workpiece, e.g. the neck of a bottle, by three rollers each having slightly different profiles, one of the rollers, Fig. 3a, having a cylindrical portion C at its trailing end which deforms the initial thread formed on the workpiece at the end of the threading step. Each roller has on its end which first contacts the workpiece a thread of smaller diameter d 4  than the threads in the central region. The first thread is spaced by a distance a from the roller end, the distance varying in the three rollers. The three rollers are relatively axially displaced, respectively, by one and two-thirds of a thread pitch, and it is the last roller to contact the workpiece which has the cylindrical portion. The portion removes any sharpness or burrs from the initial workpiece thread.
Patent GB-1321774-A (GB)
Title: Vehicle steering systems
IPC: B62D3/08
Filed: 1971-11-30
Abstract: 1321774 Power assisted steering DAIMLERBENZ AG 30 Nov 1971 [5 Dec 1970] 55594/71 Heading B7H  In a vehicle steering gear, a nut 14 is rotatably mounted within a working piston 11 and is braced by cup springs 27, 32 for limited axial movement relative to the piston to damp shocks in the steering gear. The nut is supported by oblique 23 and axial 24, thrust bearings, the races 26 and 33 of which are each supported by a thick and a thin cup spring 35, 37 and 36, 38 respectively. Spring 37 abuts an adjustable member 28. A control edge 19 is provided on the nut for controlling the control slide valve 20.
Patent GB-1451616-A (GB)
Title: Method of working forming or surface finishing of single crystals
IPC: C30B33/00
Filed: 1973-11-30
Abstract: 1451616 Working crystals CESKOSLOVENSKA AKADEMIE VED 30 Nov 1973 [1 Dec 1972] 55728/73 Heading B5E [Also in Division B3]  A method of working, forming or surface finishing of crystals, such as single crystals (monocrystals) which can sublimate comprises acting on the crystal with a tool the temperature of which is the same or higher than the temperature at which the crystal sublimates. The tool may be used for grinding, cutting, turning, drilling and polishing. For cutting a single crystal into two parts, the tool may consist of a thin electrically heated resistance wire, which may be moved slowly in one direction or be oscillated while the work is pressed with a small force against the wire. Grinding and polishing may be effected by a rotating disc electrically heated above the sublimation temperature. Through or blind holes may be made by hard wire, rod or tube heated to the required temperature. Solids of revolution, such as cylinders, cores or lenses may be turned using a tool at the required temperature.
Patent GB-1285030-A (GB)
Title: Thyristor pulse generator
Inventor: MCQUIGGIN WILLIAM
IPC: H03K3/351
Filed: 1968-11-25
Abstract: 1285030 Semi-conductor pulse generators POST OFFICE 20 Nov 1969 [25 Nov 1968] 55747/68 Heading H3T A pulse generator comprises a unijunction transistor relaxation oscillator driving a thyristor bi-stable circuit 1, 2, 9 and additional means for alternately discharging and enabling the charging of the capacitor of the relaxation circuit. When the power supply is connected to the generator, thyristor 2 is triggered through a capacitor 15. Capacitor 21 charges through resistors 23, 24 until transistor 10 breaks down and delivers pulses through resistors 11, 12 (which may be replaced by diodes) to the gates of thyristors 1, 2. Thyristor 1 is triggered, energizing a relay coil R and commutating thyristor 2 via 9. Relay contacts R1, R2 act to switch a capacitor 22, equal in value to 21, into the oscillator circuit and to discharge capacitor 21. With thyristor 1 on, a diode 26 is forwardbiased, and capacitor 22 is charged through resistors 6, 25, low in value relatively to 23, 24. An RF interference suppression choke may be connected to the positive supply conductor 5.
Patent GB-1435908-A (GB)
Title: Disc spring friction clutches
IPC: F16D13/71
Filed: 1972-12-05
Abstract: 1435908 Making clutch components AUTOMOTIVE PRODUCTS Ltd 26 Nov 1973 [5 Dec 1972] 56120/72 Heading B3A [Also in Division F2] A reaction member 13 for the diaphragm spring of a friction clutch comprises a metal hoop, formed by bending a metal strip, securing its ends together, e.g. by welding, and deforming one edge to form an inwardly projecting rim 14. In the embodiment shown U-shaped metal strips 15 are welded to the strip to define openings for bolts 16 securing the member 13 to a flywheel 10. The bolt heads are accommodated in gaps 17 cut in the rim 14. Portions of the hoop 13 are deformed, as at 23, to support a presser plate 18 for rotation with, and axial movement relative to, flywheel 10. The hoop 13 may have a radially outwardly directed flange at its edge opposite rim 14 to secure it to the flywheel, rather than the strips 15 shown. Two hoops may be made from a single strip by deforming both edges of a bent metal strip, and splitting this down the middle.