baber/WOPTO huggingface dataset:
Patent GB-1102217-A (GB)
Title: Combined cast risers and involuted equalizers
IPC: H02K13/04
Filed: 1966-12-02
Abstract: 1,102,217. Equalizing connections for dynamoelectric machines. GENERAL ELECTRIC CO. 2 Dec., 1966 [6 Dec., 1965], No. 54069/66. Heading H2A. Involuted equalizer connections, i.e. pairs of riser connections slanting in opposite directions from each segment to equipotential winding heads, which thus have an equalizing effect, are rigidly secured by bonding in groups in insulating bodies 30, 40, which are bolted at 60 to the rotor frame.
Patent GB-1169297-A (GB)
Title: A Mixing Mill
IPC: B29B7/66
Filed: 1968-11-29
Abstract: 1,169,297. Mixing rolls. HELSINGBORGS GUMMIFABRIKS A.B. 29 Nov., 1967 [21 Feb., 1967], No. 54243/67. Heading B1C. [Also in Division B8] A mixing mill for rubber has rolls 2, 3 and an endless belt 4 driven by contact with the roll 2 and positioned to receive material passing through the nip of the rolls and to return it to them after passage between the belt and the roll 2. A second endless belt 21 is driven by contact with belt 4 where they pass round the drum 5; it receives material which has missed the belt 4 and returns it to that belt after passage between them. Belt 4 is tensioned by a weight attached to line 18 acting, through a pair of chains 9, on the drum 6; belt 21 by springs 26 tending to extend two telescopic arms 24 which connect the two parts 22, 23 of a wheeled carriage supporting the belt drums 27, 28. The two runs of the belts 4, 21 are separated by roller and link devices 10, 11 and 30, 31 respectively. In a modification, the belts may be driven through the drum 5 to avoid slipping.
Patent GB-1349438-A (GB)
Title: Builders level
IPC: G01C5/00
Filed: 1972-11-27
Abstract: 1349438 Sighting levels L W HARTLEY and S HARTLEY 27 Nov 1972 [7 Dec 1971 25 May 1972] 54641/72 Heading G1F [Also in Division G2] A split field sighting level comprising a casing 10 having a light inlet opening 12 and an eye-piece 13 is provided with an inverting optical system 21 intercepting part of the light entering the opening whereby two images of an object sighted by the level are produced at the eyepiece, one of the images being upright and the other being inverted, and the level is  characterized by the provision of a support structure 22 for the optical system arranged to maintain the optical system horizontal despite any tilting of the casing which may occur. As shown, the casing 10 which may be rotatably mounted on a base provided with an angularly graduated scale supports, by way of a pair of pedestals 20 extending upwardly from an annularly recessed base portion 14, a rotatably mounted pendulum 22 on which is mounted the inverting optical system 21. This system 21 may comprise a Dove prism or, in alternative embodiments, a mirror associated either with two other mirrors Fig.6 (not shown) or with a prism Fig.7 (not shown). The pendulum 22 which may be provided with an adjustable weight 26 for balancing purposes may be damped by the effects of a magnet attached to one of the pedestals 20. An observer sighting a target through the eye-piece 13 which may be of the magnifying type receives light rays which have passed through the inverting optical system as well as those which have by-passed the optical system on passing from the inlet 12 to the eyepiece 13 optionally by way of a beam splitter. The pendulum 22 may be clamped to the casing 10 when the sighting level is not in use.
Patent GB-1362973-A (GB)
Title: Bi-directional indexing mechanism
IPC: G06M1/04
Filed: 1972-08-31
Abstract: 1362973 Ratchet gearing ENGLISH NUMBERING MACHINES Ltd 31 Aug 1972 [25 Nov 1971] 54828/71 Heading F2Q [Also in Division G4] An indexing mechanism comprises an index wheel having an internally toothed surface 20 and an externally toothed surface 22 which are adapted to be engaged by pawls 24, 26 mounted on fixed pivots 28, 30 and driven by rods 32, 34 from solenoids 36, 38. The pawls 24, 26 have shoulders 24a, 26a which are urged into engagement with the externally toothed surface by springs 40, 42. On the application of a pulse to the solenoid 36, it effects anticlockwise movement of pawl 24 so that a shoulder 24b engages a surface 20a of the internally toothed surface 20 causing the index wheel to rotate more than half an index step in an anti-clockwise direction. The indexing movement is completed by the action of a shoulder 26a of pawl 26 on a tooth of the externally toothed member 22 under the influence of spring 42. This movement is assisted by the action of shoulder 24a on the externally toothed member 22. For movement of the index wheel in a clockwise direction, the solenoid 38 is energized. Facilities for transfer and reset signals are provided by microswitches 48, 50 operated by a cam surface 46. In a modification, the solenoids 36, 38 are located within the circumference of the index wheel.
Patent GB-1473659-A (GB)
Title: Process for the monoacylation of aromatic diamines
Filed: 1973-11-27
Abstract: 1473659 Monoacylation of aromatic diamines IMPERIAL CHEMICAL INDUSTRIES Ltd 15 Nov 1974 [27 Nov 1973 26 June 1974] 54898/73 and 28344/74 Heading C2C A process for the manufacture of an acylamino-substituted aromatic primary amine comprises reacting an aliphatic carboxylic acid anhydride in aqueous medium with a mineral acid salt of an aromatic primary diamine containing no sulphonic groups. The temperature of the reaction mixture is preferably held below 20 C. The reaction is preferably carried out in the presence of a surface active agent which is suitably used in an amount of from 0À5 to 10% by weight based on the weight of the diamine.
Patent GB-1434638-A (GB)
Title: Radio direction finding equipment
IPC: G01S13/90
Filed: 1973-11-27
Abstract: 1434638 Radio direction-finders STANDARD TELEPHONES & CABLES Ltd 19 Nov 1974 [27 Nov 1973] 54971/73 Heading H4D Radio direction finding equipment for deriving angular information in respect of a mobile craft from RF pulses reflected or re-transmitted by said craft comprises receiving aerial means responsive to each one of said RF pulses to produce a series of n substantially simultaneous signals of the same duration T and frequency fc as the received pulse, there being a phase differential between successive signals of the series which is a function of the angle # subtended by the craft with respect to the aerial means. The equipment also comprises means to transfer the phase differential to a series of n  substantially simultaneous beat signals each of duration T and having a frequency f 0  which is integrally related to 1/T, means responsive to said series of beat signals to deliver an output signal of duration nT and having a peak spectral content at a frequency which is shifted from f 0  by an amount indicative of the angle #, and means responsive to said output signal to determine said angle. As described, a transmitting aerial A, Fig. 1, emits pulses of duration T and frequency fc at a repetition rate fr which flood the whole of an area under surveillance. Returns from targets are received by a horizontal linear array B of n aerial elements, spaced d wavelengths apart. If a target is # degrees off broadside, there is a phase differential of 2#d.sin # between the outputs from successive aerial elements. All outputs are mixed in respective mixers C with a signal of frequency (fc-fo) from an offset generator D. The resultant signals from the mixers C of frequency f 0  each contain a whole number of cycles, since f 0  = (N/T), where N is an integer. Successive mixer outputs are applied to successive input taps of a delay line E, the delay time of which between taps is T. Consequently, the output from the delay line in respect of each transmitted pulse of duration T is a pulse of duration nT, there being a phase transient of 2#d.sin # between each constituent of duration T (Figs. 2D, 2E, not shown). This produces an apparent frequency shift of the beat signal, in that the output from the delay line has a peak spectral content at f = f 0 +(d sin #)/T (Fig. 2F, not shown). The output of the delay line E is amplified and is applied to a bank F of band pass filters. The pass frequencies f 1  to fr of these filters correspond to angles # 1  to #r from broadside of targets. The range of a target is determined by the time which elapses between transmission of the RF pulse and peak response from the filter involved. In a second embodiment the aerial means comprises two linear arrays each comprising n spaced apart aerial elements, said arrays being disposed at right angles to each other so that one may be used for azimuthal and the other for elevational determinations (Fig. 3, not shown). In other embodiments three mutually orthogonal arrays and a plurality of linear arrays disposed in planar formation are used (Figs. 4, 5, not shown).
Patent GB-1418012-A (GB)
Title: Reel mount elevating mechanism
IPC: G11B15/32
Filed: 1972-11-28
Abstract: 1418012 Reel drives for tape cartridge apparatus MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 28 Nov 1972 [1 Dec 1971 23 Dec 1971] 55004/72 Heading G5R Tape cartridge apparatus includes a mechanism for elevating a reel mount 10 mounted on a vertical axially-slidable shaft 8 into driving engagement with a reel 2 in a cartridge 1, the mechanism initially becoming tensioned as the cartridge is inserted in direction A, but operative only when the cartridge is fully inserted, whereupon a cam 21 releases an elevating arm 45. The reel mount 10 is driven by a surrounding cylinder 14 having axial grooves 18 for projections 13 on the mount 10. Cartridge insertion.-Instetion of a cartridge 1 in direction A pivots a lever 31 and cam 21 integral therewith clockwise about a pin 20. The arm 45 for elevating the shaft 8 is pivotable about a pin 44 and has a roller 50 biased upwardly against the cam 21 by a spring 36. The spring 36 is initially tensioned on rotation of the cam 21 by a tension lever 32, to which the spring 36 is secured and which is engaged by a member 24 on the cam 21 so that it rotates therewith. When the cartridge is fully inserted, cam step 23 engages the roller 50 to permit upwards rotation of the elevating arm 45 by spring 36, and elevation of the shaft 8. This in turn permits rotation of a lever 60, which closes a main switch 59 of the apparatus. The arm 45 is latched in its elevated position by a locking member 56. Cartridge ejection.-Upon energization of an electromagnet 39, the locking member 56 is retracted and the engaging member 24 is moved out of engagement with the tension lever 32 by a release lever 33, so that the spring 36 is relaxed. The arm 45 falls under spring bias 46, pulling the shaft 8 downwardly and opening the switch 59. When roller 50 has disengaged the cam step 23, the cam 21 and lever 31 are rotated counterclockwise under their spring bias (not shown) to eject the cartridge.
Patent GB-1115094-A (GB)
Title: Process and apparatus for the continuous wet-treatment of endless synthetic filament groups
IPC: D06B3/04
Filed: 1965-12-30
Abstract: 1,115,094. Textile treating apparatus. H. FLEISSNER, H. FLEISSNER & G. FLEISSNER (trading as ANSTALT FUER PATENTDIENST). 30 Dec., 1965 [20 Jan., 1965], No. 55180/65. Heading D1L. Apparatus for the continuous liquid treatment of synthetic filament groups e.g. tows, comprises a plurality of liquid treatment troughs 1 arranged one behind the other and preferably also in tier-like rows, at least one roller 4, 5 being provided at the intake and delivery end of each trough and a pair of squeeze rollers 8, 9 being provided at the delivery end of each trough outside the treating liquid, at least each guide roller at the delivery end of each trough being partly immersed to form a wedge of liquid between the roller and the material. The guide rollers 4, 5 and the troughs are preferably supported on the squeeze roller supports 2. All rollers are supported for easy replacement. An overflow 10, preferably adjustable in height, is provided at the delivery end of each trough to provide liquid movement in the direction of material travel; each overflow discharges into a pipe (11), Fig. 2 (not shown), for exchanging liquid between the troughs. The delivery end of each trough is extended below the associated pair of squeeze rollers so that excess liquid is returned to the trough. The apparatus is provided with a lining (20) having extracting devices (21) Fig. 3 (not shown) for gases and vapours, the lining being cut away to provide access for the rollers.
Patent GB-1143979-A (GB)
Title: Co-axial circuit change-over switch for high frequency
IPC: H01P1/12
Filed: 1966-12-09
Abstract: 1,143,979. Rotary switches. RADIALL. 9 Dec., 1966 [5 Jan., 19661, No. 55291/66. Heading H1N. N. A rotary switch for coaxial-circuit changing comprises a conical core 6 fixed to the control shaft 7 and carrying an angularly disposed contact 14 for effecting selective engagement with the central conductors 16a, the core 6 being indexed by balls 29 in recesses 31 of the casing engaging detents 30 in an indexing plate 27 attached to the core and arranged so that the core 6 is moved axially against spring 8 during rotation so that the contact 14 is withdrawn from functional engagement with the conductors 16a. The contact 14 is slidably mounted in an insulating dielectric cylinder 11 and spring pressed by a resilient cap 22 on the end of the central input coaxial conductor 37. A permanent rotary earth connection is made by hollow metal cylindrical contacts 25,26 engaging the indexing plate 27.
Patent GB-1096490-A (GB)
Title: Dry roasted nuts
Inventor: NOZNICK PETER P
IPC: A23L25/00
Filed: 1966-12-09
Abstract: Hot dry roasted peanuts are coated with an aqueous adhesive mixture comprising vital wheat gluten, salt, and a gluten peptising agents, and thereafter forming a dry coating by removing the water present. The peptising agent may be lactic acid, adipic acid, or preferably acetic acid.  Ammonian may also be employed. The aqueous mixture may be applied intermittently.  The heat from the peanuts evaporating the water between each application.  The mixture may additionally contain flavouring agents such as monosodium glutamate, diluents such as dextrin, and roasted peanut meal.  In a modification, the peanuts are coated with aqueous vital wheat gluten, water is removed until the coating is tacky, and salt particles are applied to this tacky coating, which is then dried.
Patent GB-1380565-A (GB)
Title: Externally controllable oscillator
IPC: H01L29/66
Filed: 1971-11-29
Abstract: 1380565 Semi-conductor devices MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 29 Nov 1971 [30 Nov 1970] 55362/71 Heading H1K [Also in Division H3] The oscillator shown has an N-type silicon body in which boron-doped P-type regions 2, 3 and phosphorus-doped N + -type region 4 are formed by diffusion. The device has aluminium electrodes 5, 6, 7 and silicon oxide passivation 8. When electrode 6 is made positive with respect to electrode 5 the characteristic shows a breakdown threshold which can be raised by the application of a positive voltage on electrode 7 (with respect to electrode 5), the device then showing a region of stable oscillation in the 6, 5 characteristic which becomes extinguished if the voltage on electrode 7 is increased beyond a certain point. The breakdown threshold is related to the doping levels and to the distance L between the two P-type regions, and the oscillation frequency may vary with L. Devices may be produced with transposed conductivity types and of germanium, gallium arsenide, or gallium phosphide.
Patent GB-1283857-A (GB)
Title: Size for glass fibres
IPC: C03C25/32
Filed: 1970-11-20
Abstract: 1283857 Size for glass fibres OWENSCORNING FIBERGLAS CORP 20 Nov 1970 [16 Dec 1969] 55390/70 Addition to 1228850 Heading C3U A size for glass fibres comprises a starch, a starch ether or ester of a cyclic hydrocarbon or substituted derivative thereof and a wax and/or a gel-forming hydrophobic material, the size containing unburst starch granules, and preferably containing a soft, film-forming material such as gelatine, polyvinyl alcohol, polyacrylates, colloidal animal protein or a polymer of acrylamide and the quaternary ammonium compound produced from diaminoethyl methacrylate and dimethyl sulphate and preferably also containing a non-ionic oil, a cationic lubricant and an emulsifying agent. The wax may be Camuba, Japan, bayberry, candelilla, beeswax, Chinese wax, ozocerite, monton, ceresin or Spermaceti. Other gelling agents which can be used are: Attapulgite, Baymal (colloidal alumina), a copolymer of methyl vinyl ether and maleic anhydride, a polysaccharide gum produced by the fermentation of an alginate with xanthomonas comphestris bacterium, a polycarboxylic acid thixotropic agent, microcrystalline cellulose, Bentonite clay, Quar gum, a cellulose gum of methyl cellulose or a hydroxypropylmethylcellulose and hydroxybutylmethylcellulose.
Patent GB-1438662-A (GB)
Title: Driven plates for friction clutches
IPC: F16F15/123
Filed: 1972-02-21
Abstract: 1438662 Mounting clutch plates on hubs AUTOMOTIVE PRODUCTS Ltd 6 Feb 1974 [21 Feb 1972] 55429/73 Divided out of 1438661 Heading F2U The subject-matter of this Specification is mainly the same as that described in Specification 1,438,661 but the claims are concerned with the provision of the stop in the form of a tongue 25, Fig. 2, of one annular member 17 engaged in a circumferentially elongated slot 26 in the friction facing carrier to limit the rotational movement of the friction facing carrier 14, the tongue being supported against circumferential deflection by locating means on the opposite annular member 18. The locating means may be a recess as shown or an opposing tongue (49), Fig. 4 (not shown). In a modification, Fig. 5, the tongues 66 are bent over to retain the opposite annular member 63 and the carrier 68 with the interposition of damping rings 72, 73 of friction material.
Patent GB-1133360-A (GB)
Title: Improvements in and relating to sounding board assemblies
IPC: G10C3/06
Filed: 1966-12-15
Abstract: 1,133,360. Pianofortes. NIPPON GAKKI SEIZO K.K. 15 Dec., 1966 [17 Dec., 1965; 25 Dec., 1965], No. 56149/66. Heading G5J. A sounding board assembly 11 consists of a wooden board 10 made of longitudinal boards glued together, a bridge 13 (which may be in two parts) mounted on one surface of the board 10, an auxiliary board 14 and ribs 12 mounted as shown. The auxiliary board (which may be of maple), whose grain is substantially perpendicular to that of the sounding board, may be confined to the treble region (Fig. 7, not shown), or have the same surface area as the sounding board; it may also have greatest thickness at its centre portion and taper towards its edges (Fig. 6, not shown). The ribs may be mainly of spruce except in the treble region where they may be of a hard wood e.g. maple, birch or beech, or of a composite structure (Figs. 10, 11, not shown) with a hard wood member sandwiched between spruce outer members, or alternate ribs of spruce and maple may be secured to the sounding board (Fig. 9, not shown). Details of the dimensions of the ribs and auxiliary board are given.
Patent GB-1293166-A (GB)
Title: Improvements in or relating to the production of knitted articles from continuous webs of knitted fabric material
IPC: D04B1/24
Filed: 1969-11-18
Abstract: 1293166 Knitting UNION CARBIDE CORP 18 Nov 1968 [19 Nov 1968] 56250/69 Heading D1C and D1K A web of warp-knitted fabric comprises transverse two-ply portions, e.g. 49-51, spaced and joined by single-ply portions 41. The web may be slit along the single-ply portions and the tubular two-ply portions used for garments. The fabric is knit on a two needle bed machine each being fed with nylon and spandex yarns to knit separate fabrics. The pattern is so arranged however that the fabrics are interconnected transversely at intervals to provide, e.g. girdles. The fabrics may also be interconnected over a short extent 42 to provide crotch, or crotch and leg joins for parity, girdles. Sweaters may be knitted by interrupting the transverse join to provide arm holes, and joining the fabrics longitudinally, e.g. at 43 but leaving a neck hole. The garments may be reinforced in the waist or leg areas.
Patent GB-1471415-A (GB)
Title: Spark ignition internal combustion engine
IPC: F02B19/10
Filed: 1974-12-03
Abstract: 1471415 Pre-combustion chambers BRITISH LEYLAND UK Ltd 3 Dec 1974 [5 Dec 1973]  56352/73 Heading F1B In a stratified charge I.C. engine having main and auxiliary combustion chambers 18, 19 communicating via passage 20, the flow of fuel/air  mixture through duct 21 into auxiliary chamber 19 is controlled by a spring-loaded poppet valve 22 actuated by solenoid 25. Ignition in chamber 19 is effected by plug S. The inlet valve 17 and exhaust valve of main chamber 18 are actuated by overhead cam-shaft 23.
Patent GB-1091395-A (GB)
Title: Novel valerolactones,and processes for their preparation
IPC: C07C45/67
Filed: 1966-01-24
Abstract: The invention comprises b -oxo-d -valerolactones of general formula <FORM:1091395/C2/1> in which R is a hydrogen atom or an aliphatic hydrocarbon chain containing 1-8 carbon atoms and R1 is an alkyl group.  They may be prepared by reacting a blocked pyruvic aldehyde of formula CH3COCH(OR1)2 with an acetylacetic ester of formula RCH2COCH2 COOR11, in which R11 is an alkyl group, in a non-aqueous medium in the presence of an alkaline agent.  The process may be carried out, e.g. in liquid ammonia in the presence of an alkali metal amide or in 1,2-dimethoxyethane in the presence of an alkali metal hydride. Examples are given of the preparation of (a) 4 - allyl - 5 - diethoxymethyl - 5 - methyl-3 - oxo - d  - valerolactone and (b) 5 - diethoxy-methyl-5-methyl-3-oxo-d -valerolactone.
Patent GB-1425190-A (GB)
Title: Testing of semiconductor integrated circuits
IPC: G06F11/22
Filed: 1973-12-10
Abstract: 1425190 Measuring semi-conductor parameters INTERNATIONAL BUSINESS MACHINES CORP 10 Dec 1973 [29 Dec 1972] 57139/73 Heading G1U In an integrated circuit 12 individual elements 10 are temporarily inter-connected into a test circuit 18, the voltage supplies to the elements are provided and the propagation delay of a signal through the circuit is measured. In the device shown the elements 10 are inverting gates (e.g. NAND or NOR) and an odd number are connected in a loop which oscillates when the power supply is provided. The oscillation half-period is the sum of the individual delays in the gates 10 forming the loop. If the total delay is satisfactory, the temporary inter-connections are broken and the gates connected into the final circuit configuration. The inter-connections may be metal or may be made via photo-sensitive inputs which are sensitized during the test but kept in the dark when the final circuit is formed and used.
Patent GB-1286507-A (GB)
Title: Improvements in mounting of ball bearings
IPC: F16C33/64
Filed: 1969-11-28
Abstract: 1286507 Jointing by rolling SVENSKA KULLAGERFABRIKEN AB 28 Nov 1969 [29 Nov 1968] 58332/69 Heading B3M [Also in Division F2] A ball-bearing having a race 2 consisting of a tubular element, has the race spun or rolled down into one or more annular grooves 6 in a support 1 so that the spun or rolled down por. tion forms the ball raceway. The tubular element is made of corrosion resistant material.