baber/WOPTO huggingface dataset:
Patent GB-1128570-A (GB)
Title: Photographic cameras
IPC: G03B9/08
Filed: 1966-12-02
Abstract: 1,128,570. Shutter systems operating automatically with flash system. EASTMAN KODAK CO. Dec.2, 1966 [Dec.8, 1965], No.53992/66. Heading G2A. A photographic camera comprises means to light a flash lamp 9, a normally closed shutter 3 which fires lamp 9 when opened, a normally open shutter 4, the shutter being responsive to a photo-cell 17 to close the exposure aperture 2 when the total scene light and light reflected from a scene illuminated by the flash reaches a predetermined minimum value. The shutter mechanism comprises in circuit with the photocell a source of potential 15, a variable resistor 18 and a moving coil galvanometer 19, which may have a capacitor connected across its terminals, which drives a moving coil 20 on which is mounted shutter 4 and is energized as a function of the electrical current determined by the resistance of the photo-cell. A capacitor 21 provides stored energy so as to effec rapid closure of shutter 4. Figs. and 5 show two types of shutter blade 4, where 30 is equal in diameter to aperture 2 and in the normally open position cut out portion 30 is adjacent aperture 2. In a modified form of the camera not shown a further normally closed shutter blade opens in response to light falling on a photo-cell from the flash lamp after it has been fired by a switch synchronized with shutter 3, this blade is mounted on a moving coil for operation in manner similar to blade 4.
Patent GB-1319503-A (GB)
Title: Treatment of nickel-containing matte or the like material to remove molybdenum
IPC: C01G39/00
Filed: 1970-11-16
Abstract: 1319503 Removal of Mo from Ni-containing residues SHERRITT GORDON MINES Ltd 16 Nov 1970 [7 Jan 1970 18 Sept 1970] 54459/70 Heading C1A Molybdenum is removed from residues containing Ni, Fe and S and possibly Cu, Co, Cr or W by mixing with the latter, before and/or during pelletizing of the same using water, an alkali in an amount equivalent to a residue-to- NaOH weight ratio of from 20 : 1 to 3 : 1; roasting the pellets at 540-870C. with a source of oxygen (e.g. air or steam) present to convert substantially all of the Mo into watersoluble alkali metal molybdates; quenching the roasted, pelletized mixture in water and agitating the slurry to extract and dissolve the molybdates; and finally separating the solution from the Ni-containing residue. Tungsten, if present in the original residue, may also be removed as water-soluble tungstates. The alkali to be used is preferably NaOH, KOH, Na 2 CO 3 , K 2 CO 3  or Na 2 S or mixtures of these.
Patent GB-1368381-A (GB)
Title: Cutting insert
IPC: B23B27/14
Filed: 1972-11-24
Abstract: 1368381 Cutting inserts KENNAMETAL Inc 24 Nov 1972 [23 Feb 1972] 54507/72 Heading B3B A cutting insert 16 for a cutting tool comprises a flat polygonal member with parallel top and bottom faces with a peripheral surface extending therebetween and cutting edges 22 being formed at the juncture of a top or bottom face with the peripheral surface, a recess 26 extending along and adjacent the or each cutting edge, the recess being formed by a planar surface portion which is included in two directions relative to a top or bottom face the inclination being downward away from the respective cutting edge and alternatively upward or downward from a corner of the insert determined by the polygonal construction. The recess extending from one corner to a position adjacent the start of a corresponding recess at the next consecutive corner of the insert. The insert may have cutting edges on both top and bottom faces to facilitate reversing and indexing. A narrow land may be provided between the cutting edge and the recess. The insert may be square, triangular or in the form of a parallelogram with cutting edges and recess along two parallel sides.
Patent GB-1279615-A (GB)
Title: Electrical coil assemblies
Inventor: HIBELL ERNEST GEORGE
IPC: H01F41/10
Filed: 1968-11-18
Abstract: 1279615 Coils JOSEPH LUCAS (INDUSTRIES) Ltd 24 Oct 1969 [18 Nov 1968] 54546/68 Heading H1P A coil of, e.g., aluminium tape is wound on a cylindrical flanged insulant former 12 with, e.g., anodized or paper insulation between convolutions. L-shaped terminal 15 is inserted through a slot of flange 13 to underly the innermost convolutions and similar terminal 19 underlies the outermost convolutions. The terminals are riveted to the flanges and the underlying limbs 15b, 19b are stabbed to form sharp projections piercedly engaging the tape.
Patent GB-1487409-A (GB)
Title: Poultry conveying system
IPC: B60P3/04
Filed: 1974-12-19
Abstract: 1487409 Conveyers POULTRY-VAC Inc 19 Dec 1974 54887/74 Heading B8A A poultry conveying vehicle 10 comprises a compartment 11 divided into a series of vertically disposed tiers 12b-12g each consisting of a length of conveyer belt 14 attached at each end to a chain 15 to form an endless member. Each chain is driven by a motor 22 and the endless member is supported on strips 23, 25 and angle members 24. A crowding screen 18 is provided above each endless member. The poultry are loaded into and unloaded from each tier by a trailer (30) Fig. 2 (not shown) having a pair of conveyers (34), (35) and crowding screens (38) and attached at one end to an elevator (40) at the rear end of the vehicle. The elevator consists of two motor driven chains (43) Fig. 5 (not shown) each having a coupling (41) Fig. 6 (not shown) for an end (42) of a shaft (53) on the chassis (37) of the trailer. A control (37) for an operator (36) is common to all drives and the speed of the tier conveyers is co-ordinated with that of the conveyers (34), (35). A plenum chamber and blowers are provided at the front of the compartment 11 for ventilation purposes.
Patent GB-1447365-A (GB)
Title: Grinding machines
IPC: B24B7/17
Filed: 1972-11-29
Abstract: 1447365 Grinding MM WARD 20 Nov 1973 [29 Nov 1972] 55181/72 Heading B3D A grinding machine for forming a surface on a workpiece 11, such as a lathe cutting tool, comprises a table 7 for supporting the workpiece and movable along a path to define a path of travel between a pair of grinding wheels 4, 4<SP>1</SP>, and workpiece mounting means 8 associated with or mountable on the table and including means for setting the angle which a face of the workpiece makes with a plane containing its direction of travel during grinding. Each grinding wheel 4, 4<SP>1</SP> is driven by a respective motor 2, 2<SP>1</SP> and the wheels can be inclined towards one another by adjustment about pivotal axes on a frame 30. The distance between the wheels is adjustable by rotation of hand wheels 5, 5<SP>1</SP>, and the wheels are vertically adjustable by rotation of hand wheels 6, 6<SP>1</SP>. The table 7 is disposed below the grinding wheels and supports a rotary actuator 8 in a slot 9, the table being movable parallel to the slot. The actuator 8 carries a holder 10 for the workpiece 11 and consists of a pair of cylinders 14, 15 housing pistons formed with racks 12, 13 engaging a pinion 16 fast with a shaft 17 to which the holder is secured. The stroke of the pistons is determined by stops 18. In operation, as the table is advanced, fluid pressure is supplied to one of the cylinders so that the shaft 17 and holder is rotated about axis X-X to position the workpiece with one of its faces inclined to one side of the path of movement so that it is ground by one of the wheels as it is moved along the path. When the direction of table movement is reversed fluid pressure is supplied to the other cylinder to rotate shaft 17 and the holder so that the other face of the workpiece is inclined to the path and ground by the other wheel as it is moved along the path. The workpiece is thus ground on each side so as to taper from its leading edge 20. A number of shafts 17 may be provided for sequentially grinding a number of workpieces. In  another embodiment a top plate of the table is  swingable to either side of the path. The grinding wheels may be spaced along the path, the resetting of the workpiece occurring between the wheels.
Patent GB-1374761-A (GB)
Title: Frames
IPC: E06B3/96
Filed: 1970-11-20
Abstract: 1374761 Window and door frames IMPERIAL CHEMICAL INDUSTRIES Ltd 2 Nov 1971 [20 Nov 1970] 55247/70 Heading E1J A plastics frame comprises a first frame member having an end with spaced apart sides 1', 2' and a transverse portion 3' with an outer surface in a plane intersecting mitred surfaces, and a second frame member having a flange 5 fitting between the sides and engaging the outer surface. The frame members are generally U-shaped with a stepped base and flange 5 is stepped and extends at right angles to the second frame member. The frame members are secured by a screw extending through a hole 6 in the flange and into a transverse upstand 7, or alternatively by adhesive. Adjacent frame members may be joined back to back (Fig. 5, not shown) by bolts through aligned studs 10. The plastics material is preferably glass fibred reinforced polyester resin.
Patent GB-1176410-A (GB)
Title: A Solid State Generator-Detector of Electromagnetic Waves
IPC: H01S5/06
Filed: 1967-12-06
Abstract: 1,176,410. Electroluminescence. HITACHI Ltd. 6 Dec., 1967 [14 Dec., 1966], No. 55491/67. Heading C4S. [Also in Division H1] A semi-conductor device which is capable of emitting electromagnetic radiation comprises a junction between two materials in which the Landau levels induced by a predetermined magnetic field differ, so that transfer of electrons across the junction gives rise to such radiation according to the direction of bias. In one example, the two materials are differently orientated crystals of graphite each containing 10<SP>18</SP> acceptor atoms/c.c., and the device when maintained at 77 or 4 K. emits 0À1 mm. wavelength radiation when exposed to a field of 4000 gauss. Such a device is made by pyrolytic decomposition of carbon compounds on the inner walls of a rectangular vessel the C-axis of the deposited graphite always lying perpendicular to the substrate so that the necessary junctions are obtained at the corners of the vessel. A second embodiment, Fig. 8, comprises adjacent P-type layers of germanium 14 and silicon 15 each with an N+ diffused inclusion 18, 19 respectively. An electric field applied between a vapour deposited electrode 17 on silica film 16 and the layers produces a thin inversion layer, bridging the inclusions, in which the electrons are constrained to move two-dimensionally, and the magnetic field is applied transverse to this layer. In both cases the frequency of the radiation can be varied or modulated by altering the magnitude or direction of the magnetic field, and at high current densities coherent radiation can be obtained with the aid of a resonator.
Patent GB-1146349-A (GB)
Title: Process and device for the labelling of articles
IPC: B65C3/16
Filed: 1966-12-13
Abstract: 1,146,349. Labelling bottles and like articles. W. PECHMANN. 13 Dec., 1966 [20 April, 1966; 4 Nov., 1966], No. 55838/66. Heading B8F. Articles 19 are rotated as they are carried through a circular path 18 so that they first touch and adhere to the edge 32a of a label in a stack and then recede from the stack as the remainder of the label is brought into contact with the article. In the form illustrated bottles 19 are rolled along fixed guides 31 by an elastomer-covered wheel 38. The bottles receive adhesive either from a roller 43 or from a conveying roller 47 by which they are delivered from a belt conveyer 46. The labels are finally pressed against the bottles by an elastomeric guide 54. The shoot 13a, 14a in which the labels are stored is vibrated by a mechanism 35. The labels in the shoot are pressed against retainers 32a, 33a by a presser plate 16 engaged by projections 25 of chains 21 driven from an electric motor through a slipping clutch.
Patent GB-1325212-A (GB)
Title: Electric pattern attachment for a multi-system circular  knitting machine
IPC: D04B15/66
Filed: 1970-11-25
Abstract: 1325212 Knitting machines E MAYER [trading as MAYER & CIE] 25 Nov 1970 [5 Dec 1969] 56028/70 Heading D1C An electric pattern attachment for a multisystem knitting machine with a rotary cylinder and electro-magnetically actuated selector members which act on needles or needle jacks has a multi-track tape read by heads associated with individual knitting systems and staggered along the tape which generate signals which through suitable circuitry actuate the electromagnets according to the required pattern and in synchronism with the rotation of the needle cylinder, the reading heads being adjustable in conformity with the intervals between knitting systems which are a non-integral multiple of the needle spacing in the direction of the tape. As shown the perforated tape has four tracks 1, 2, 3, 4 which give a two colour pattern tracks 1, 3 carrying 'knit' information and tracks 2. 4 carrying 'do not knit' information, consecutive systems knitting alternately in different colours. The informtaion must be applied in, the correct sequence to the knitting systems and spaced by the number of needle steps separating the systems viz. 59.52 needles manual spacing in this example. (2232 needles 36 systems). The tape division chosen is the nearest even number i.e. 60 and reading heads 110, 111 are displaced contrary to the direction of travel of the tape by (60-59.52 i.e. 0.48) divisions so that the commencement of feeding each system comes after 59.52 needles. Three of four colour patterns may be knitted controlled by tapes with six or eight tracks. As shown, Fig. 6, eight track perforated tape 105 is carried from drum 120 round rollers 121 to spiked drive rollers 122, 123, 124, 125, 126, between each adjacent pair of which there is a double track reading head 110, 111, 112, 113, and thence round rollers 121 to roller 128. An endless tape arrangement may be used. Heads 110-113 have levers 131 carrying follower rolls 132 which engage exchangeable cam discs, e.g. 130 carried on a shaft driven synchronously with the needle cylinder to displace the heads. The drive rollers have marks m, m 2 , m 3 , m 4 , m 5  which are made to coincide with marks on the tape during setting up. Magnetic tapes may be used instead.
Patent GB-1358999-A (GB)
Title: Iodine-containing cathode for primary cell
IPC: H01M4/60
Filed: 1971-05-20
Abstract: 1358999 Iodine-containing cathodes for solid state cells CATALYST RESEARCH CORP 20 May 1971 [1 June 1970 15 Jan 1971] 56074/71 Divided out of 1358998 Heading H1B A plastic cathode consists of a mixture of iodine and a charge transfer complex of an iodine electron acceptor component and an organic electron donor component selected from the group consisting of poly-2-vinylquinoline and poly-2-vinylpyridine, the mixture containing between 2 and 15 molecules of iodine for each atom of nitrogen. The cathode may be used in a solid state cell in which the electrolyte is lithium iodide and the anode is lithium. Alternative anode materials are silver and magnesium.
Patent GB-1439010-A (GB)
Title: Polymeric compositions and process for their manufacture
IPC: C08F220/42
Filed: 1973-12-05
Abstract: 1439010 Polymer composition STANDARD OIL CO 5 Dec 1973 [19 Jan 1973 2 May 1973] 56428/73 Heading C3G  A composition is produced by blending (A) a polymer resulting from the polymerization of (1) from 70 to 90% by weight of acrylonitrile, (2) from 30 to 10% by weight based on the combined weight of (1) and (2) of styrene and (3) optionally, an alkyl ester of an olefinically unsaturated carboxylic acid with (B) a polymer resulting from the polymerization of 100 parts by weight of (1) from 50 to 90% by weight of acrylonitrile, (2) from 1 to 35% by weight of styrene and (3) from 2 to 29% by weight of an ester of an olefinically unsaturated carboxylic acid having the structure  wherein R 1  is hydrogen, a C 1  to C 4 -alkyl group, or halogen, and R 2  is a C 1  to C 6 -alkyl group in the presence of from 20 to 600 parts by weight of (4) a rubbery copolymer of butadiene or isoprene and at least one olefinically unsaturated mononitrile having the structure wherein R is hydrogen, C 1  to C 4 -alkyl, or halogen, or styrene, said rubbery copolymer containing from 50 to 95% by weight of polymerized butadiene or isoprene and 50 to 5% by weight of the other monomer component. Examples are given of compositions comprising an acrylonitrile-styrene copolymer and a graft polymer produced by grafting styrene, acrylonitrile and methyl acrylate on to a rubbery copolymer of butadiene with acrylonitrile and/or styrene.
Patent GB-1288047-A (GB)
IPC: A61B5/044
Filed: 1969-11-19
Abstract: 1288047 Cathode-ray tubes MINNESOTA MINING & MFG CO 19 Nov 1969 [20 Nov 1968] 56680/69 Heading H4T [Also in Division G1] Arrhythmia in an E.C.G. signal is monitored and recorded on a C.R.T. or other electron generative medium by summing the amplified ECG signal with a D.C. reference signal to vertically deflect the electron beam, the level of the reference signal being sequentially lowered in steps at a rate synchronized with the rate of the signal applied to horizontally deflect the electron beam so that each scan line is at a different D.C. level to provide a consecutive series of ECG signals over a longer duration suitable for analysis. Two CRT's 32, 34 may be provided, the CRT 34 following the last trace on CRT 32 to provide a longer duration. The CRT is blanked during the interval while the level of the reference signal is changed, and is controlled by an unblanking amplifier circuit 52. The traces on CRT's 32, 34 are photographed on a microfilm and the traces may be monitored on a CRT 66 while photographing is taking place. In Fig. 2 (not shown), a plurality of ECG signals (the twelve standard ECG scalar signals) are multiplexedly displayed on two monitor CRT's (166), (168) and two record CRT's (160), (162) from which they are photographed on microfilm. A single ECG signal is then chosen, by rhythm lead selector (134), for rhythm display and is monitored on CRT (168) and photographed on CRT (162). An arrhythmia record control circuit (148) is then actuated to actuate a digital to analogue converter and switching control circuit (138) (18 in Fig. 1) such that at the end of the rhythm recording, arrhythmia of the selected signal is recorded on CRT (170) in a manner similar to that shown in Fig. 1. Two arrhythmia CRT's (170), (172) are provided such that eleven lines of arrhythmia may be displayed and photographed. A gain control (264) is provided to limit the amplitude of the signal displayed on the CRT's and a lamp drives circuit (266) indicates this amplitude, the rate of the horizontal sweep and the particular ECG signal chosen, this information appearing on the microfilm.
Patent GB-1167189-A (GB)
Title: Control Systems for Hoists.
IPC: B66C13/26
Filed: 1966-12-19
Abstract: 1,167,189. Control of A.C. motors. EATON YALE & TOWNE Inc. 19 Dec., 1966 [6 June, 1966], No. 56687/66. Heading H2J. [Also in Division G3] A hoist is powered by an induction motor 11, 13 energized through direction relays HR, LR and thyristors Q1, Q2, the triggering of which is dependent upon the difference between a voltage from a tachogenerator and a desired speed voltage obtained from transformers T3, T4 having cores movable by push-buttons P1, P2 which also operate the direction relays. The transformers are energized from a transistor oscillator 23; their output is rectified and compared with the rectified output of A.C. tachogenerator TAC, the difference being arranged to charge a capacitor (C17, Fig. 2, not shown) connected to a Schmitt trigger circuit (Q8, Q9) which in turn switches a monostable circuit (Q10, Q11) which triggers both thyristors via an impulse transformer (T5) having two secondary windings. The capacitor is reset after each halfcycle of the mains supply by a second Schmitt trigger (Q6, Q7). The motor has a running winding 11 and a start winding 13 which may be disconnected by a centrifugal switch CSW. Limit switches LS1, LS2 apply reverse current braking by energizing a plugging relay PR which changes over the directional contacts and applies a rapid charging current to the capacitor (C17) to ensure early triggering of the thyristors. There is an electromagnetic brake S1.
Patent GB-1127160-A (GB)
Title: A method of producing a coloured anodic oxide film on aluminium
IPC: C25D11/14
Filed: 1966-12-20
Abstract: 1,127,160. Anodizing aluminium to form coloured surfaces. SUMITOMO CHEMICAL CO. Ltd. Dec.20, 1966 [Dec.27, 1965; Oct.15, 1966], No.56941/66. Heading C7B. A method of producing a coloured anodic oxide film on aluminium or aluminium alloys comprises anodizing said aluminium in an electrolyte comprising an aqueous solution containing 1À5- 40 wt.% naphtalenedisulphonic acid and 0À1- 3.0 wt. % sulphuric acid at an initial cell voltage of at least 20 volts. Preferably the electrolysis is carried out using a current density of 1-3 A/dm<SP>2</SP> and at a temperature of 15-30C.
Patent GB-1281459-A (GB)
Title: Machines for folding box blanks
Inventor: LABOMBARDE RAYMOND ANDRE
IPC: B31B50/04
Filed: 1970-12-01
Abstract: 1281459 Handbag skin material R A LABOMBARDE 1 Dec 1970 [2 March 1970] 57122/70 Heading B8R [Also in Division B5] A transfer apparatus 51 for shifting successive blanks 31 from a first section 27 laterally into a second section 28, comprising a pair of opposed pressure rolls 55, 56 for advancing blanks into a transfer zone 29 whilst firmly gripping each blank to prevent premature lateral shift and resilient means 70 mounted opposite the second section 28 for engagement and deformation by an edge 46 of each blank to flick each blank towards the second section 28 upon its release from the nip 57 of rolls 55, 56. The resilient means 70 may be leaf springs, a slippery surfaced inflated bag, coil springs or recoil arms of rigid material. A friction roll 75 is mounted in the transfer zone 29 and contacts the blanks at a level slightly above the level of the nip 57 allowing the leading edge of a next successive blank to pass under the trailing edge of the preceding blank. The pressure rolls 55, 56 and the friction roll 75 may be driven by a separate drive means through an overrunning clutch 82 independently of the remainder of the machine, so that the blanks are always advanced into the transfer zone at a speed sufficient to impact an adjustable end stop 61.
Patent GB-1247350-A (GB)
Title: Improvements in or relating to grinding machines
IPC: B24B15/04
Filed: 1968-12-03
Abstract: 1,247,350. Grinding. LANDIS TOOL CO. 3 Dec., 1968 [5 Dec., 1967], No. 57194/68. Heading B3D. A machine for grinding the heads of poppet valves which must be held in predetermined angular relation with a grinding wheel comprises a grinding wheel 14 mounted on a wheel support 12 for rotation about an axis, a work support 18 having dual work-holding and rotating members 20, the axes of rotation of the members intersecting the axis of rotation of the grinding wheel. The grinding wheel is disposed in a vertical plane and is advanced and retracted by a mechanism 16 acting on support 12. The work support 18 includes the two work-holding members 20 driven by motors 21, 22, respectively, the motors being connected by belts to the spindles of the work-holders which include automatic opening and closing means for the chucks of the work-holders. Means are also provided for automatically positioning the workpieces and for ejecting them, and a dual loader 33 supplies workpieces to the workholders. The axes of the work-holders intersect the axis of the grinding wheel at a common point when the grinding wheel is in a mean position between its original diameter and final diameter due to wear. The grinding wheel support may be pivotable so as to maintain the intersection of the axes as the grinding wheel wears.