baber/WOPTO huggingface dataset:
Patent GB-1132781-A (GB)
Title: Improvements in typographical composing machines
IPC: B41B11/18
Filed: 1966-01-05
Abstract: 1,132,781. Type-bar-making machine. D. MENTA. 5 Jan., 1966, No. 498/66. Heading B6W. The channelled assembler guide 3, Fig. 2, and matrix conveyer belt 4 are carried on a lower plate 2a, Figs. 2 and 3, which together with a transparent upper plate 7 comprises an assembly pivotable about a rod 9 between a lower operative position and an upper position wherein the matrix escapement rods 2 are easily accessible. The assembly is latched in upper and lower positions by respective latch mechanism 10, 41. The upper plate can be raised separately. Downward movement is cushioned by an hydraulic damper 13. The belt is driven from a gear 24 which is disengaged from a driven gear 23 when the assembly is raised.
Patent GB-826720-A (GB)
Title: Improvements in and relating to sockets for electrical connectors
IPC: H01R13/115
Filed: 1958-01-07
Abstract: 826,720. Two-part couplings. BURNDY CORPORATION. Jan. 7, 1958 [Jan. 18, 1957], No. 594/58. Class 38 (1). A socket connector has first and second pairs of clasp fingers operating independently. The . socket connector 10 (Fig. 1) which may be of brass or copper, has a leading pair of clasp fingers 14 and an adjacent pair 14a attached to a base member 12 which may have strengthening side walls 27. The member 12 may have lugs 16 and 18 which grip the core and insulation respectively of a cable. The member 12 may also be curved as at 34 to increase its strength, and adjacent fingers may be joined by a side wall 29. A small part 26 of the member 12 is stamped out to provide a detent 26 which engages in a recess on either side of the bladelike plug. The leading edges of the contact surfaces may be chamfered to assist in easier insertion of the plug. In a further embodiment the contact surfaces of the adjacent contacts 114 and 114a may be joined by a small piece of metal 114b so as to provide a smoother entry for the plug.
Patent GB-372386-A (GB)
Title: Improvements in and relating to rectifying systems for electric currents
IPC: H02M7/06
Filed: 1931-01-07
Abstract: 372,386. Converting. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Lennox, T. C. ; 24, Waverly Street, Pittsfield, Massachusetts, U.S.A.) Jan. 7, 1931, No. 624. Convention date, Jan. 9, 1930. [Class 38 (ii).] In means for interchanging power between an A.C. circuit 10 and a D.C. circuit 11 comprising a mercury arc or similar discharge apparatus 12 fed through two sets of 6-phase secondaries on a supply transformer 13, the interphase circuits of the two sets of windings are inductively coupled in such manner as to neutralize the effect of the reactive voltage of the windings and thus avoid unequal distribution of the load between the interphase connections. The 6-phase systems comprise respectively windings 15, 16 with their neutrals interconnected by interphase transformer 19, and windings 17, 18 with their neutrals interconnected by interphase transformer 20. The midpoints of the transformers 19, 20 are interconnected by transformer 21 to the midpoint of which the negative side of the D.C. system is connected through windings 25, 27. Inductive coupling of the two interphase systems is effected by coils 31, 32 interposed in circuits connected across the transformers 19, 20 and including condenser 29 and winding 26 in the one case, and condenser 30 and windings 28 in the other case. Specification 343,348 is referred to, and curves are shown illustrating the effect of the reactive voltage of the windings in the absence of preventive means.
Patent GB-1414893-A (GB)
Title: Integrated amplifier circuits
IPC: H03F3/187
Filed: 1973-01-04
Abstract: 1414893 Substation circuit amplifiers TELEFONAKTIEBOLAGET L M ERICSSON 4 Jan 1973 [5 Jan 1972] 653/73 Heading H4K An integrated amplifier, particularly for telephone sets, includes a voltage amplifying stage Q 1 , Q 2  and an output stage Q 3 , Q 4 , formed in a silicon wafer and powered over the line from the output terminal 16 through a decoupling resistor 6 and a supply rail 19, the resistor 6 co-operating with an external component (such as capacitor 9 or an avalanche diode with or without additional transistor(s) forming a constant current generator), to maintain the relative potentials of supply rails 19, 20 constant thereby preventing breakdown of the component isolation frames (shown dotted), especially that for voltage gain stage reistors formed by diffusion into an oppositely doped layer connected to the supply rail side of the decoupling resistor 6, by reason of the amplified speech signals combined with D.C. at the output terminals 15, 16 exhibiting minima. The telephone microphone M is coupled to the input 13 via capacitor 10 to prevent its D.C. resistance altering the biasing conditions of transistor Q 1 .
Patent GB-1311431-A (GB)
Title: Process for producing high viscosity index lubricating oil
IPC: C10G47/18
Filed: 1971-01-06
Abstract: 1311431 Lubricating oils ATLANTIC RICHFIELD CO 6 Jan 1971 [26 Jan 1970] 701/71 Heading C5E Lubricating oils are produced by (a) contacting a deasphalted mineral lubricating oil fraction, containing at least 0À3% sulphur and at least 1000 ppm. nitrogen and derived from a waxy crude oil, with hydrogen in the presence of a sulphur-resistant hydrogenation catalyst at 600-800‹ F. and (b) contacting the effluent oil with hydrogen at 500-800‹ F. in the presence of a hydrogenation-hydrocracking catalyst, comprising a major amount of an at least 50% hydrogen- or rare-earth-exchanged crystalline aluminosilicate having pores of diameter 8-15Š and a silica to alumina mole ratio greater than 3 : 1 and a minor amount of a platinium group metal, to give a maximum of 50% conversion of the oil to materials boiling below 550‹ F. The sulphur-resistant catalyst can contain Sn, V, Cr, Mo, W, Fe, Co and/or Ni as such or as the oxides or sulphides, e.g. oxides or sulphides of Ni or Co together with Mo, W or Cr on a carrier of alumina. The hydrogenationhydrocracking catalyst can contain Pt, Pd, Rh or Ir and may contain 5-20 wt. per cent of silica, clay or silica-alumina. The lubricating oil produced can be solvent dewaxed.
Patent GB-571392-A (GB)
Title: Improvements in and relating to welding manipulators
IPC: B23K37/04
Filed: 1944-01-14
Abstract: 571,392. Uniting by fusion. BODE, E. Jan. 14, 1944, No. 719. [Class 83 (iv)] A welding-apparatus comprises a work-table or holder mounted for rotary adjustment through 360 degrees about horizontal and vertical axes, and provided with means for locking it in adjusted position and also with means for rotating the table &c. in its adjusted position. The table 39 is mounted in a forked bracket 38 angularly adjustable about a sleeve 37 surrounding a counter-shaft 35 and secured in position by a locking collar 44, the sleeve 37 being carried by a cranked arm 36 which is angularly adjustable about a fixed sleeve 32 surrounding the driving shaft 28, and is secured in position by a locking collar 43'. The table is rotated by bevel gear 41, 42, 40, 34, 33 from the shaft 28 which is driven by worm gear 27, 26 and adjustable friction.gear 24, 20 from a splined shaft 18a connected by variable speed belt gear 15 to a variable speed or other electric motor 13. The shaft 28 may be in two parts connected by a clutch 30 operated by a hand lever 31. The work-table may incorporate a self-centring chuck and may be positioned in a suitable plane to hold a flange or collar to be welded to a long tube which may be secured at one end to a chuck or expanding mandrel and is supported by carriers on adjustable brackets fitted with ball bearings or like. A revolution counter may also be provided.
Patent GB-851876-A (GB)
Title: A process of preparing formaldehyde in stable form and formaldehyde-containing compositions produced thereby
IPC: C07C47/058
Filed: 1958-01-08
Abstract: A stable composition of formaldehyde is obtained by contacting formaldehyde in substantially gaseous and monomeric form at 80-400 DEG C. with a chemically active acceptor comprising urea, melamine, thiourea, phenol or a monoor dialkyl substituted phenol, the acceptor being a liquid or in suspension or solution, in the presence of at least a catalylic amount of water, the formaldehyde and acceptor dispersion being maintained at a pH in the range 3,5-5.5 and at a temperature between 50 DEG C. and the boiling temperature of the dispersion.  The products are used in the preparation of condensation resins based on the acceptor used.ALSO:A stable composition of formaldehyde is obtained by contacting formaldehyde is substantially gaseous and monomeric form at 80-400 DEG C. with an acceptor comprising urea, melamine, thiourea, phenol or a mono-or dialkyl substituted phenol, the acceptor being a liquid or in suspension or solution, in the presence of at least a catalytic amount of water, the formaldehyde and acceptor dispersion being maintained at a pH in the range 3,5-5,5 and at a temperature between 50 DEG C. and the boiling temperature of the dispersion.  Advantageously the formaldehyde may be used directly from a dehydrogenation or oxidation unit in which it is being made from methanol.  To obtain the correct pH value an alkali, such as sodium or potassium hydroxide, triethanolamine, borax or sodium carbonate is added to the mixture.
Patent GB-1148286-A (GB)
Title: Seat belt coupling device
IPC: B60R22/18
Filed: 1968-01-05
Abstract: 1,148,286. Stud and socket fastenings. FORD MOTOR CO. Ltd. 5 Jan., 1968 [5 Jan., 1967], No. 760/68. Heading E2B. A coupling device 10 for attaching a seat belt to a vehicle body comprises an anchor plate 11 having a headed stud 12 projecting therefrom, a plate 15 adapted to be secured to a belt end and having a key-hole slot 19 therein for engagement with the stud and a retaining clip 24 positionable and rotatable in the key hole slot to block movement of the plate to the position in which it is releasable from the stud. As shown, the clip is sprung into the enlarged part of the slot and is rotatable to bring an extension 33 into abutment with the stud, while allowing the plate to swivel about the axis of the stud.
Patent GB-1055111-A (GB)
Title: Moisture gage standards
IPC: G01N21/35
Filed: 1964-01-07
Abstract: 1,055,111. Photometers. GENERAL ELECTRIC CO. Jan. 7, 1964 [March 21, 1963], No.778/64. Headings G1A and G1P. To provide a routine check of a gauge which measures the moisture content of paper or other specified material by measuring the reflectance or transmission at different wavelengths it is difficult to use a piece of paper having a given moisture content as this content varies with atmospheric conditions and accordingly a standard is provided which does not comprise paper or other specified material but produces the same effect on the gauge. The standard may consist of a pellet mounted in a recess of an aluminium disc and protected by one or two windows according as to whether the gauge measures reflectance or transmission of the standard. The pellet may consist of the hydroxide of bismuth, calcium, cesium, indium, lithium, magnesium, platinum, potassium, sodium or zinc, alone or mixed with magnesium oxide as a filler. Hydrated salts may also be used with a filler, such salts being various acetates, benzoates, bromides, chlorides, chromates, nitrates, gluconates, iodides, lactates, nitrates, nitrites, oxalates, oxides, phosphates, propinates, sulphates, sulphites, and tartrates. The gauge may be an infrared one as described in Specification 1, 013,171 in which radiation from lamp 12 is collimated at 13 and passes through one or other filter 14, 15, before reaching the paper 10. The filters 14, 15, are mounted on a rotatable wheel 16 and pass a band centred on 1À94 microns where the reflectivity is very dependant on the moisture content of paper 10 and a band centred on 1À80 microns where reflectivity is virtually independent of moisture content. The detector 17 thus passes two sets of output signals to preamplifier 20 and a variable gain amplifier 23 which provides a constant level of output signal regardless of input level but a varying ratio between the two components of such signal dependant on the moisture content of the paper 10. The output from amplifier 23 is passed to tuned amplifier 24 and demodulator 25 which also receives synchronising signals from a detector 19 receiving radiation passed directly from source 12 through a semi-circular slot 18 in disc 16. The demodulator 25 includes a paraphase amplifier from which signals are taken 180 out of phase with each other to operate a synchronous relay through whose contacts the alternative waves from tuned amplifier 24 are passed to an integrating circuit. This circuit produces a D.C. output voltage which is applied to a potentiometer 26 determining the slope of the calibration line of the gauge and a potentiometer 31 establishing the zero point of the gauge. The net output appears at terminals 11. To check the gauge, the paper 10 is replaced by standard 22.
Patent GB-1537074-A (GB)
Title: Building component of a model construction kit
IPC: A63H33/10
Filed: 1976-01-09
Abstract: 1537074 Toy building bricks A FISCHER 9 Jan 1976 [21 Jan 1975] 00792/76 Heading A6S [Also in Division F2] A toy building component 1 has a rectangular cross-section, the side faces and one end face being provided with re-entrant grooves 2 and the other end face being provided with a tenon 3, each end face also being provided with a slot 6 which is aligned with the grooves on opposite sides of the component, whereby wedges 5 can be driven into the slots to lock two such components together. The slots are preferably the same width as the mouth of the grooves, and the slot in the grooved end extends in the same direction as the groove while the slot in the end provided with a tenon is at right angles to the tenon. The components may be made of wood.
Patent GB-632192-A (GB)
Title: Improvements relating to the production of hydrogen
IPC: C10G11/04
Filed: 1947-01-10
Abstract: Hydrogen is produced by cracking a petroleum fraction boiling in the gas-oil range or higher, e.g. a wax distillate boiling 343-482 DEG C., in the presence of a montmorillonite clay catalyst of approximate formula A12Si4O10 (OH)2.xH2O, e.g. Fuller's earth, bentonite, or spent montmorillonite cracking catalysts, which has been heated to a temperature, e.g. 500-700 DEG  C., sufficient to remove at least part of the combined hydroxyl groups and separating the gas fraction rich in hydrogen.  The clay may be leached with acid before or after dehydration and the hydrogen fraction may be purified, e.g. by passing through an absorption tower counter-current to a naphtha fraction. decline in catalyst activity due to rehydration may be prevented or reduced by treating the catalyst after heating with hydrogen sulphide at about 455 DEG  C., either by using free hydrogen sulphide in a separate operation or by cracking a sulphur-containing feedstock.  The catalyst may be used in 3-hour cycles of 2 hours cracking and 1 hour regeneration with air.  In the examples the wax distillate is cracked at 455 DEG  C. or 510 DEG  C., and atmospheric pressure to yield a gaseous product containing up to 80 per cent hydrogen; the amount of gasoline is not decreased, but there is a decrease in the yield of more volatile hydrocarbons.
Patent GB-161514-A (GB)
Title: Improvements in or relating to the driving-gear for lawn-mowers
IPC: A01D34/47
Filed: 1919-10-17
Abstract: 161,514. Jerram, A. E. Oct. 17, 1919. Lawn-mowers. - The rotary cutter 20 of a lawnmower is driven by sprocket and chain gear from an epicyclic multiplying-gear contained in and driven by the rear roller. The roller, which is comprised of two side portions 30 and a separate central portion formed by two halves 31, 32 secured together by screws 34, is mounted in the side frames 10, 11 by a shaft 40 fixed in the frame 10 and extending as far as the middle of the roller. The half 31 of the central portion is provided with a sleeve 41 which is supported on the spindle, and the half 32 has a similar sleeve 42 which runs in a roller bearing 43 mounted in the frame 11. The two parts 30 rotate on the sleeves 41, 42 and each carries a pawl 37 adapted to engage ratchet teeth on the central member 31, 32, thus permitting differential movement of the outer portions. The shaft 40, which through being supported only at one end has a certain amount of torsional resilience and lateral flexibility, has secured to it an internally toothed gear-wheel 44 with which mesh a number of planetary pinions 45 carried on the central portion of the roller. These pinions drive a central pinion 46 on a spindle 47 extending through the sleeve 42 and splined to receive a bush 50 mounted in self-aligning ball-bearings and carrying a sprocket-wheel 48. The sprocket-wheel 48, which is secured to the bush through a one-way clutch, is connected to a sprocket-wheel 25 of similar diameter on the cutter spindle by a chain 52.
Patent GB-786418-A (GB)
Title: Electrodeposition of iron-zinc alloys
Inventor: SALT FREDERICK WILLIAM
IPC: C25D3/56
Filed: 1953-01-13
Abstract: 786,418. Electrodeposition of iron-zinc alloys. BRITISH IRON & STEEL RESEARCH ASSOCIATION. Feb. 24, 1954 [Jan. 13, 1953; Sept. 14, 1953], Nos. 999/53 and 25306/53. Class 41. Iron-zinc alloys are deposited on cathodes of iron, steel or more positive metals from a bath containing iron and zinc, an ammonium salt to prevent decreasing acidity at the cathode, a chelating agent such as an aliphatic hydroxy carboxylic acid, e.g. citric acid, to prevent precipitation of ferric hydroxide and an alkali metal chloride to inhibit anode passivation. Preferably an iron anode is used with, if desired, a subsidiary zinc anode for high zinc content alloys for which a wetting agent such as the sodium salt of sulphated straight chain higher alcohols, e.g. that sold under the Registered Trade Mark " Teepol " is added to smooth the deposit and allow use of higher cathode current densities. Sulphate baths comprising per litre ferrous and zinc sulphates in amounts ranging from 50-15 gms. Fe and 2-25 gms. Zn, giving alloy deposits containing from 6-92 per cent Zn, 118 gms. ammonium sulphate, 10 gms. potassium chloride and 0.5 gm. citric acid with 0-30 gms. " Teepol " are used at a temperature of 50‹ C. with a current density of 30-400 amps./sq. ft. With a chloride bath containing per litre 117 gms. ferrous chloride, 48 gms. zinc chloride, 30 gms. ammonium chloride, 15 gms. potassium chloride, and 0.5 gm. citric acid at pH 1.25, a bright 44 per cent Zn alloy was deposited at 50‹ C. with a current density of 750 amps./sq. ft. The first Provisional Specification refers to the use of ferrous ammonium sulphate in place of ferrous sulphate and ammonium sulphate and gives slightly different bath compositions.
Patent HK-15796-A (HK)
Title: Process and circuit for producing parity symbols
Inventor: SCHEMMANN HEINRICH
IPC: H03M13/15
Filed: 1996-01-25
Abstract: Coding process. Reed Solomon coders are used to code audio signals which are recorded on a CD in accordance with the CD standard. First parity symbols are produced in a retroactive shift register. To obtain a simple circuit, the first parity symbols are shifted from the retroactive shift register into a storage shift register. After a given number of cycles, the direction of data flow in the storage shift register is reversed. During read-out of the parity symbols, the parity symbols calculated in the retroactive shift register (S1,..., Sn) are combined with those of the storage shift register (R1,..., Rn) in an adding device (A2). Process for coding audio signals which are recorded on a CD or on a magneto-optical disk in accordance with the CD standard.
Patent HK-46590-A (HK)
Title: Colour printing process and equipment
Inventor: PHILLIPS GORDON LESLIE PRICE
IPC: B41M1/18
Filed: 1990-06-14
Abstract: A kit for use in <<laying out>> coloured printwork and printing off accurate and true reproductions, includes a chart, Figure 5, in which the horizontal rows A - E each represent certain choice of percentage screens for the chosen process colours. The vertical columns 1-12 represent the different possible combinations of these process colours with black as an optional extra. Thus all the specimen coiours shown in any horizontal row can be obtained with the same set of specified percentage screens. The kit also includes preprinted colour sheets or tints corresponding to the colours on the charts and these tints are cut up to make the graphic art layout. The final colour printing process then uses the same selected process colours with the specified percentage screens.
Patent HK-47496-A (HK)
Title: Low power coin routing gate apparatus
Inventor: PLESKO GEORGE A
IPC: G07F1/04
Filed: 1996-03-14
Abstract: A coin routing gate comprising a pivotally mounted gate member (50) which has a first position from which it can be deflected by a moving coin (102) to a second position to permit the coin to take one path (R), and electrically energisable retaining means (60) which is selectively operable to retain the gate member in its first position to cause the coin to take another path (A), characterised in that the gate member when in its first position provides part of a coin track (37,50) on which coins travel on edge, the gate member is deflectable from the first position to the second position by the weight of a coin, and the gate member when retained by the retaining means in its first position is not deflected by the weight of a coin so that the coin continues to travel on the coin track. No power is required to route the coin to said one path, because this is done solely in response to the weight of the coin. The power required to route the coin to the other path is only that required to retain the gate member in its first position and this can be made extremely low. Thus, the power consumption of the gate can be made very low so as to suit it for low power applications such as coin operated telephones.
Patent HK-55285-A (HK)
Title: Coin dispenser
Inventor: ZEGGEREN WILLEM AART VAN
IPC: G07D1/00
Filed: 1985-07-25
Abstract: The invention relates to a coin dispenser for use in vending machines for giving out change when the value of money inserted into the machine exceeds the price of the merchandise purchased. The aim of the invention is to simplify the design of such a dispenser so that different sets of coins can be catered for from a small range of parts. 
<??>The dispenser comprises vertical coin tubes (12, 13, 14), one for each denomination of coin dispensed, and respective channels (15, 16, 17) extending horizontally beneath each tube. Each channel has an aperture (21, 22, 23) in its lower wall offset from the axis of the tube, (12, 13, 14) and an apertured slide plate (24, 25, 26) is movable in the channel (15, 16, 17) from below the coin tube (12, 13, 14) to over the aperture (21, 22, 23) in the lower wall so as to dispense the coins singly from the stacks in the coin tubes. 
<??>The coin tubes extend down through apertures (18, 19, 20) in the upper wall of their respective channels so that the lower end of the tubes are the lowest point in the coin channels. With this arrangement a range of denominations of coins of differing thicknesses can be catered for by setting the lower end of the tube at a height appropriate to the thickness of the denomination of coins during assembly.
Patent HK-96394-A (HK)
Title: Camera panner
Inventor: BITTNER WILFRIED ALOIS ANTON
IPC: G03B17/56
Filed: 1994-09-08
Abstract: A panner for a camera or the like has a base (1) on which is mounted a housing (2) carrying a support (3) for the camera or the like mounted above the housing (2). Drive means (42, 44, 46, 47, 49) serve to rotate the housing (2) relate to the base (1) about a first axis so that the camera may be clamped about this axis. The support (3) is pivotal above a second axis which is perpendicular to the first axis. An arm (10) extends from the support (3) into the housing (2) and second drive means (15, 21, 22, 24, 27-29) serve to reciprocate the end (14) of the arm (10) distal of the support (3) and to rotate this support about the second axis.