baber/WOPTO huggingface dataset:
Patent GB-958838-A (GB)
Title: Improvements in or relating to methods of manufacturing monocrystalline bodies of semiconductor material
IPC: C30B13/00
Filed: 1961-01-25
Abstract: 958,838. Semi-conductor devices. PHILIPS ELECTRICAL INDUSTRIES Ltd. Jan. 25, 1961 [Jan. 28, 1960], No. 2940/61. Heading H1K. [Also in Division B1] A monocrystalline semi-conductor body is produced by growth from a melt in a direction such that a core of material of resistivity differing from the marginal region would normally occur, the melt containing at least two impurities with different core-formation factors and the concentrations in the melt being such that the core region is either of substantially the same resistivity as the marginal region, or is of opposite conductivity type. Expressed mathematically, this means that the value of the expression lies between 0.9 and 1.1 or has a negative value, where α = core factor, k = segregation coefficient and c = concentration in the melt, the subscripts a and d referring to acceptors and donors respectively. The core factor of an impurity is the ratio of the impurity concentration of the core region 3 to that of the marginal region 2, and is substantially independent of the value of the marginal concentration although (like the segregation constant) it may vary according to growth rate and orientation. To ensure the formation of a core, growth is preferably carried out in the 1.1.1. direction. Values of core factors and segregation coefficients are given for indium, gallium, thallium, phosphorus, arsenic and antimony in germanium and examples are described showing the amounts of impurities necessary to achieve (i) homogeneous resistivity using two impurities of like conductivity type, (ii) homogeneous resistivity and conductivity type using two impurities of opposite conductivity types, and (iii) a PN-junction between the core and marginal regions having either equal or very different resistivities for the N and P regions. Particular combinations specified are germanium with (i) indium and gallium, (ii) indium and phosphorus or arsenic, (iii) indium and antimony, and (iv) gallium and phosphorus. Specification 931,992 is referred to.
Patent GB-446964-A (GB)
Title: Improvements in adjustable air-propellers
IPC: B64C11/06
Filed: 1936-01-31
Abstract: 446,964. Screw propellers. HEINE, H., (trading as HEINE MOBELFABRIK PROPELLERWERK, H.), 58, Warschauerstrasse, Berlin. Jan. 31, 1936, No. 2945. Convention date, Feb. 1, 1935. [Class 114] Screw propellers with wooden blades adapted to be mounted adjustably in a divided boss are provided at the root of each blade with a polygonal truncated pyramid metallic sleeve which is glued and screwed on to the blade root. A wooden blade 14 is provided with segmental wood layers 13 which are glued thereto and to these are screwed metal plates 12. Around these are fitted the sections of outer sleeves 9, 10 having a collar 1 which protrudes into a groove 21 in the plates 12. The metal plates 12 have collars 16. The roots are mounted in half sockets 1, 2, which are held together by bands 5. The blade root may be provided with an end plate 15 which is secured thereto by screws.
Patent GB-1032691-A (GB)
Title: A new method of molding synthetic resin bodies
IPC: B29C48/09
Filed: 1963-01-24
Abstract: 1,032,691. Pipe joints; junction pieces. J. TAGA. Jan. 24, 1963, No. 2994/63. Heading F2G. [Also in Division B5] Moulded synthetic resin pipe couplings have inclined flanges so that they can be arranged in a straight line (Fig. 8, not shown) or an elbow (Fig. 9, not shown). Flanged pipe couplings for T-junctions or crosses may also be moulded (Figs. 7 (II) and (III), not shown).
Patent GB-547800-A (GB)
Title: Means for injecting fluid media into the induction passages of internal combustion engines
IPC: C10L1/04
Filed: 1941-03-05
Abstract: 547,800. Auxiliary fuel supply. DIETZ, J. P. M.VAN. March 5,1941, No. 3025. [Classes 7 (ii) and 7 (iii)] In means for the addition of supplementary volatile material to the induction passage of petrol engines, the air which is passed through a container a holding the material is first heated by contact with the pipe connecting the cooling- jacket to the radiator. The Figure shows a muff e attached by rubber straps g to the pipe f leading to the radiator, the air being led by a flexible tube h from the muff to the container, and thence by a flexible tube c to the inlet manifold b on the engine side of the carburetter. Specification 536,103 is referred to.
Patent GB-1464892-A (GB)
Title: Clinometers
IPC: G01C9/12
Filed: 1974-01-22
Abstract: 1464892 Clinometers A B PERNUM 22 Jan 1974 [23 Jan 1973 21 Nov 1973] 03025/74 Heading G1F In a clinometer comprising a casing having at least one straight edge for positioning against a surface whose inclination is to be measured, and a pointer rotatably mounted on a shaft 8 extending between transparent casing walls 2', 3', e.g. of acrylic plastics, the centre of gravity of the pointer lying away from its axis of rotation such that the pointer takes up a predetermined position relative to the vertical, the pointer having a scale and the casing having a reference mark (or vice versa) to indicate inclination, the pointer being mounted on the shaft 8 by a bearing 12, e.g. a needle or ball bearing, having inner and outer races 24, 27 mounted on the shaft 8 and the pointer respectively, at least a central portion of the wall 2' is made resiliently flexible so that a user can press that wall into functional engagement with the outer race 27 to suppress or arrest pendulous movement of the pointer. As shown the pointer is a thin protractor disc 17, e.g. of polystyrene, carrying an eccentrically mounted lead weight 10 and mounted on a shaft 8 passing freely through an aperture in the centre of plate 2' to allow flexure of the plate 2'. A vernier 19 may be mounted on the casing. In an alternative embodiment Figs. 1 and 2 (not shown), the pointer has an indicator arm co-operating with a scale fixed to the casing. Reference has been directed by the Comptroller to Specification 1352588.
Patent GB-437234-A (GB)
Title: Means for advancing the frame used in forming heaps
IPC: B65G65/28
Filed: 1935-01-30
Abstract: 437,234. Piling materials; tipping- apparatus. BEER, M., Quai des Carmes, Jemeppe, near LiÚge, Belgium. Jan. 30, 1935, No. 3112. Convention date, March 2, 1934. [Class 78 (iv)] The frame 4 carrying the mechanism for tilting the skips used in forming heaps rests on rollers 3 rolling on the rails 2 on which the skips rim, and is anchored by hooks 8, 10 engaging the sleepers 9. The skips are diverted into the tilting-frame by points 6 and when it is necessary to advance the frame due to the growth of the heap, an extension of the rails and track is laid and the frame is advanced along it, as by operation of the tackle 7<a> and cable 7 secured to the hook 8.
Patent GB-1168550-A (GB)
Title: Improvements in or relating to Plastics Tear-off Closure Caps for Bottles and Bottle Necks adapted to receive the same
Inventor: LANGECKER ERHARD
IPC: B65D41/48
Filed: 1967-01-20
Abstract: 1,168,550. Caps for bottles. E. LANGECKER. 20 Jan., 1967 [9 Feb., 1966; 9 Jan., 1967], No. 3160/67. Heading B8T. A safety closure consists of a plastics cap comprising an upper strengthened portion 1 and an integral skirt 2. An internal bead 3 overlies a flange 11 of a bottle neck 12 to which the cap may be fitted, and a bead 4 engages an annular groove 14. A weakening groove 6 and tongue 5 enable the skirt 2 to be torn between ribs 7 into a further line of weakening 8, so that the skirt 2 completely separates from the upper cap part 1. The part 1 has a gripping member 10. In a modified form of cap, a cylindrical extension (16), Figs. 6-8 (not shown) of the cap skirt overlies the neck flange (13) and has a slot (20) on one side of a gripping flap (18) that is connected to a horizontal extension (19) of the weakening groove (6) allowing the skirt (2) of the cap to be torn off as before.
Patent GB-739405-A (GB)
Title: Cap nut
IPC: F16B37/14
Filed: 1954-02-03
Abstract: 739,405. Nuts. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Feb. 3, 1954 [Feb. 5, 1953], No. 3180/54. Class 89(1). [Also in Group XXII] A cap nut comprises a domed sheet metal pressing 1, Fig. 1, projection welded to one end of a common nut 4. The pressing is provided with a downturned rim 3, Fig. 3, or a ridge 5, Fig. 4, for welding purposes.
Patent GB-284630-A (GB)
Title: Improvements in and relating to safety devices for electrical apparatus
IPC: H02H5/00
Filed: 1928-02-01
Abstract: 284,630. British Thomson-Houston Co., Ltd., (Assignees of Belt, T. A. E.). Feb. 1, 1927, [Convention date]. Light radiations, actuating apparatus by.-In order to protect oilimmersed transformers and other electrical apparatus in the event of internal faults, the gas evolved on fault escapes through a tube 23, Fig. 2, into a transparent receptacle 26 containing a curved glass partition 27. The evolved gas forms under the partition as a plano-convex lens and disperses the rays from a light source so that the intensity on a photo-electriccell, connected with an indicator is reduced. The Specification as open to inspection under Sect. 91 (3) (a) describes also an arrangement wherein the evolveld gas displaces oil in a tube 10, Fig. 1 (Cancelled), and the resulting difference in the intensity of the beam, through the tube, on the photo-electric cell operates the indicator. this subject matter does not appear in the Specification as accepted.
Patent GB-574992-A (GB)
Title: Improvements relating to spare wheel carriers for motor vehicles
IPC: B62D43/02
Filed: 1944-02-21
Abstract: 574,992. tyre ramps. CROSSLEY MOTORS, Ltd., and WISHART, T.. D. Feb. 21, 1944, No. 3206. [Class 78 (iv)] [Also in Group XXXI] In a spare wheel carrier for a motor vehicle of the kind comprising a hinged ramp b up which the wheel is rolled to the position in which it is carried, the ramp consists of a track a on which the wheel tyre rides and side plates b to keep the wheel on the track, while. studs, pins or lugs c projects inwards from the side plates b so that they engage in the undercuts or recesses in the tyre tread pattern d and act as a rack with reference to the tread so as to assist in the rolling of the wheel up the ramp.
Patent GB-1528831-A (GB)
Title: Manufacture of nuclear-iodinated iodine compounds of aromatic character
IPC: C07C205/12
Filed: 1976-01-28
Abstract: 1528831 Nuclear-iodinated iodine compounds BASF AG 28 Jan 1976 [29 Jan 1975] 03260/76 Heading C2C A process for the manufacture of an aromatic nuclear-iodinated iodine compound comprises reacting an aromatic diazonium salt with hydriodic acid or a salt thereof, the reaction being carried out in aqueous solution and in the presence of a reducing agent for the reduction of elementary iodine formed to hydrogen iodide. Preferred reducing agents are sulphur dioxide, neutral and acid salts of sulphurous acid, salts of thiasulphuric acid, salts of diathionous acids, sulphinic acids and salts thereof. The reaction of the process may be carried out at from 0 to 100‹ C. and preferably from 20 to 50‹ C.
Patent GB-510455-A (GB)
Title: Improvements in wheel mountings for automobile vehicles
IPC: B60K17/30
Filed: 1938-02-02
Abstract: 510,455. Road-vehicle undercarriages; motor vehicle, driving &c. wheels. STEYR-DAIMLERPUCH AKT.-GES. Feb. 2, 1938, No. 3289. Convention date, Jan. 22. [Class 108 (ii)] [Also in Group XXXI] In wheel-mountings for vehicles having at least one pair of driven wheels individually guided by transverse swingable links, in which the wheel-carriers are constructed in two releasably-connected parts of which one part serves as a bearing support for the wheels and the other encloses the drive joint, the links are pivoted to the part enclosing the drive joint. In one form, Fig. 1, for unsteered wheels, the wheel-carrier comprises parts 1, 2 connected by bolts 7, the part 1 supporting bearings 4, 3 for the wheel hub 5<1> and driven shaft 5, and links 8, 9, of which the link 9 is formed by the transverse leaf suspension spring, being pivoted to the part 2. The shaft 5 is formed with a spherical shell 11 forming part of the universal joint connecting the shaft 5 to the driving shaft 10. The part 2 is formed with a protective shield 14 for the wheel brake pipe 15. In a second form, Fig. 2, for steered wheels, the wheelcarrier comprises a stub-axle in two releasablyconnected parts 1, 2', mounted by trunnions 30, 30<1> in a stub-axle bracket 2<11>, the members 2<1>, 2<11> corresponding to the part 2. The shell 11 has flattened side portions and the part 2<1> is correspondingly narrowed to increase the steering lock. Specification 488,086 is referred to.
Patent GB-414676-A (GB)
Title: Improvements in or relating to hair curling apparatus
IPC: A45D6/02
Filed: 1933-02-03
Abstract: 414,676. Hair - waving appliances. SHELTON, W. G., 1709, Locust Street, St. Louis, Missouri, U.S.A. Feb. 3, 1933, No. 3404. [Class 131.] A device for winding a tress of hair on a curling rod 2 comprises a tubular sleeve 1 with a guiding finger 3, formed as a conical extension of the sleeve and consisting of an outer portion 6, which extends circumferentially more than 180‹, and a narrow neck portion 4, connecting the portion 6 with the sleeve and having a helically curved edge 7 for collecting and guiding the tress of hair. The portion 6 may be formed with a hook 6<a>. The part 4 may be slightly offset from the sleeve at the point of connection thereto. The winder may be formed by bending sheet metal so that one edge projects to form a finger grip 1<a>.
Patent GB-1283366-A (GB)
Title: Spacer element for a multiple glazed unit
IPC: B01D53/26
Filed: 1969-08-01
Abstract: 1283366 Dehydrator elements for double glazed units PPG INDUSTRIES Inc 1 Aug 1969 [2 Aug 1968] 3659/72 Divided out of 1283365 Heading B1L [Also in Division El] Spacer-dehydrator element 24, suitable for use in double glazed units, comprises a desiccant material, e.g. a zeolite, dispersed in a matrix of organic water vapour-transmitting material, e.g. styrene-butadiene rubber, which has a water vapour transmission >15g./24hrs./ m<SP>2</SP> at 100‹F and 90% R.H. The element suitably comprises a synthetic zeolite as desiccant in amounts of 0.3-60% by weight.
Patent GB-162810-A (GB)
Title: Improvements in elastic fluid turbines
IPC: F01D1/28
Filed: 1920-02-06
Abstract: 162,810. Brush Electrical Engineering Co., Ltd., (Aktiebolaget Ljungstr÷ms Angturbin). Feb. 6, 1920. Oppositely-running rotor type; balancing moving parts; cooling parts; rotors.-Relates to turbines comprising oppositely running rotors each of which is composed of several elements connected by expansion rings and carrying radial-flow high and intermediate pressure systems 2, 9 and an axial-flow low-pressure system 11, the bore of the element 7 carrying the latter system being large enough to accommodate the end-thrust balancing discs 17, 18 and the axial packing and balancing members 22, 24. According to the invention, the bore 16 of the wheel 7 is cooled by the provision of ducts 34 in or near the expansion ring 8 for conveying steam which has been cooled by expansion in the turbine to the clearance space 33 between the bore 16 and the annular member 22.
Patent GB-1416282-A (GB)
Title: Strap tensioning tool
IPC: B65B27/00
Filed: 1974-01-28
Abstract: 1416282 Strapping tools AMP Inc 28 Jan 1974 [21 Feb 1973] 03773/74 Heading F2G A tool for tensioning a flexible strap around a bundle of wires, the strap having a head and a tail adapted to pass through the head, comprises a pair of parallel elongate body members 12, 14 each having a handle 16, 18 at a rear end, and slidably supported thereon an assembly 46 normally biased by a spring 68 towards the forward ends of the body members 12, 14, the assembly 46 having pivotally mounted thereon on a pin 64, a pawl 56 with a serrated surface 60 to grip the tail of a strap inserted between it and a pressure plate 66 on the assembly 46, handles 50 on the assembly allowing it to be gripped in a user's hand and moved rearwardly against the bias of the spring 68 to tension a strap the head of which is held against a plate 36 secured to an anvil 34 on the member 14 and the tail of which passes through a slot 38 in the plate 36 and is gripped by the pawl 56. Pins 24, 26 hold the body members 12, 14 together and dimples 49, 52 on the assembly 46 guide its sliding movement on the body members and retain it in position. A spring 62 normally biases the serrated surface 60 against the pressure plate 66, but when the assembly 46 is located at the forward ends of the members 12, 14 the pawl 56 engages the pin 24 and pushes the pawl to leave a space between it and the plate 66 to facilitate entry of the tail of the strip. After tensioning of the strap the tail is located against a deflector plate 74 on the assembly 46 and the recess strap is severed by gripping the handle 40 of a cutter lever 30, pivotally mounted on the pin 24 between the body members 12, 14 and provided with a cutting edge 44 movable over the slot 38 in the plate 36.
Patent GB-594523-A (GB)
Title: An electric signal-amplifying system
IPC: H03F3/36
Filed: 1944-02-29
Abstract: 594,523. Valve amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Feb. 29, 1944, No. 3792. Convention date, Nov. 18, 1942. [Class 40 (v)] In a picture signal amplifier, low-frequency signals are amplified to a greater 'extent than high-frequencies, to avoid distortion and background drift, and then attenuated in an output circuit so that the resultant amplification is uniform over the desired frequency range. Low-frequency signals from photo-cell 17 are applied to amplifier 19 across resistor 24, while for high-frequency signals, this resistor is shunted by condenser 29 and resistor 30, whose impedances are chosen so that low-frequency signals are accentuated. The low-frequency output from valve 35 is applied to output terminal 66 across resistors 53, 54, while the high frequencies are byepassed through condenser 58, thus attenuating the low frequencies. The output is applied to further amplifiers 68, 69 through a driver valve 70 and phasereversing valve 71, one acting as a cathode follower and applying a fixed positive potential to the cathode of the other, depending upon the position of the switch, so that the anode of valve 70 is driven positive when the switch is in the positive position and negative when the switch is in its other position. Since the cathode of valve 70 is maintained at a positive potential, the grids of the valves 68, 69 are driven from saturation to cut-off in going from black to white in the picture.
Patent GB-745782-A (GB)
Title: Improvements in or relating to display signs
IPC: G09F7/10
Filed: 1954-02-09
Abstract: 745,782. Illuminated signs. WEAR, J. R. May 5, 1954 [Feb. 9, 1954], No. 3830/54. Class 3(2) A display sign comprises a frame built up of channel-shaped rails 1, 2 which are connected by webs 6 having C-shaped spring clips 7 adapted to receive a fluorescent tube 8; the rectangular or square panels 5 being slid into the frame from either end. The panels are made of translucent or transparent material; the letters being opaque or in translucent colour on a transparent background or transparent with a translucent background. The panels are held in position by L-shaped pins 9 inserted through slots in the upper rail. The members 1, 2, 6 and 7 are preferably made of transparent or translucent synthetic resin plastic material and are glued together.
Patent GB-730681-A (GB)
Title: Electron discharge device output coupler
IPC: H01J23/36
Filed: 1953-02-11
Abstract: 730,681. Magnetrons. STANDARD TELEPHONES & CABLES, Ltd. (International Standard Electric Corporation). Feb. 11, 1953, No. 3839/53. Class 39 (1). [Also in Group XL (b)] A tapering coaxial line section 8 is coupled to a multi-cavity magnetron 1 by means of a wave-guide section 5, the outer and inner conductors 9, 10 of the coaxial line being connected respectively to either vane 16, 17 of a doublevane impedance-transformer ramp leading from an opening in the magnetron 1. The guide section 5 and the coaxial section 8 are evacuated, seals 7, 13 being provided. The coaxial line enters the guide at right-angles in order to prevent entry of electrons. The two vanes of the ramp diverge slightly from the input end and the amount of divergence may be adjusted by means of a movable portion 20 of the lower vane 17 which is pivoted at 21. The portion of the guide section 5 beyond the transformer section is proportioned to be beyond cut-off and so reflects a high impedance at the junction of the vanes 16, 17 and the coaxial line 8.
Patent GB-440460-A (GB)
Title: Nut hulling machine
IPC: A23N5/03
Filed: 1935-02-06
Abstract: 440,460. Cracking nuts. RANDALL CO., 5000, Spring Grove Avenue, Cincinnati, Ohio, U.S.A. Feb. 6, 1935, No. 3869. Convention date, May 18, 1934. [Class 59] [See also Group I] A machine for hulling coconuts and the like comprises a main frame 5 carrying vertical standards 8 acting as guides for reciprocating beams 10, 12, 16 actuated by cams 13 in a cam disc carried by a shaft 34. The beams 10, 16 carry removable cutting elements 14, 15 respectively each cutting element comprising a series of blades 17 shaped to form nut-receiving pockets 18, 19. After a nut has been cut or split by the movement of the knives towards each other, stripper elements 35 are moved to follow the upper blades into the split hull and then to move radially outward to tear the hull from the kernel. Each stripper comprises a lever 49 pivoted on the beam 12, having a spring seat 50 and carrying a stripping member 51 at its lower end ; each stripping member comprises a pair of vertical walls 56, 57 adapted to slide upon the faces of adjacent blades 17. The walls 56, 57 are connected at their upper ends by a horizontal web. Cam faces 52 on the levers 49 engage rollers 53 on pins 60 mounted on brackets on the beam 10 and as the beam 12 descends relatively to the beam 10 the levers 49 are forced apart, thus tearing off the hull.
Patent GB-723097-A (GB)
Title: Improvements relating to tube rolling mills
IPC: B21B27/10
Filed: 1951-02-16
Abstract: 723,097. Rolling tubes. STAHL-UND ROHRENWERKE RIESHOLZ AKT.-GES. Feb. 16, 1951 [Feb. 18, 1950; Jan. 25, 1951], No. 3869/51. Classes 83 (2) and 83 (4). A continuous mill for rolling tubes, from a closed ended billet mounted on a push mandrel, between successive passes of idle rolls has the roll diameters at each stage sufficiently great to apply sufficient pressure at the mandrel for the resulting friction to supply forwarding pressure to the work and relieve the closed end from stress. The rolls of each pass are mounted by closed journals in units mounted and located by grooved supports and by a floor rack. The rolls 8, Fig. 2, have their journals 13 mounted in closed bearings 14 in a two-part housing 10 bolted together at 12 and provided with holes 29 for lifting-hooks, whereby the bearings may be located at the required spacing on grooved supports 22 and floor rack 28. Nipples 15 provide for lubricating the journals and ribs 16 projecting into a water space with inlet 18 and outlet 20 provide for cooling, augmented by external cooling applied at 21. The housings of adjacent stands are reversely arranged so that the roll axes are in planes at right angles. In a modification in which each pass has three coating rolls, Fig. 4, each of which is mounted in a yoke 34 held in the housing by bolted-on side plates 31 and by retaining bolts 38, thrust is transmitted by backing up plates 37. The rolls can be indi. vidually removed in their yokes for returning, the roll being mounted between centres and a stop preventing the yoke &c. 34 from rotating. After turning the backing-up plate 37 is replaced by a correspondingly thicker one.