baber/WOPTO huggingface dataset:
Patent GB-2002995-A (GB)
Title: Establishing a connection via a telephone network
IPC: H04M11/06
Filed: 1978-08-08
Abstract: In a subscriber operated number- selection telephone network which provides connections between subscribers and information banks so that screen text information can be transmitted to subscribers via their television sets, the subscriber station has a remote control device FBSt and keyboard FT which are arranged in various ways to enable the subscriber to establish a telephone network connection while separated from his telephone FG for the purposes of requesting screen text transmission and/or conducting a telephone conversation with another subscriber. The television set loudspeaker is arranged to deliver the audible telephone network tones which can be analysed and responded to automatically and the telephone can be a loud-speaking telephone. <IMAGE>
Patent GB-2005879-A (GB)
Title: Adaptive data discriminator
IPC: G08C25/00
Filed: 1978-09-26
Abstract: Each input signal Xi in a stream of signals has the previous output signal Yi-1 and a trend signal  DELTA Yi subtracted from it to give a normalized signal Zi representing how far Xi differs from the expected value. Zi passes through a soft limiter 16, which limits it to the range +/- LIM, and the soft limiter output is added to the previous output signal and the trend signal in adder 19 to give the output signal Yi. Thus most signals pass through unchanged, but deviant signals are detected and replaced by values at the edge of the permitted band. A trend calculator 27 determines the general trend or slope of the signals, and a limit calculator 31-36 determines the width of the permitted band in dependence on the general scatter or variability of the signals. <IMAGE>
Patent GB-2033686-A (GB)
Title: Pulse generator
IPC: B23H1/02
Filed: 1978-11-01
Abstract: A generator generates work pulses for electrically removing metal by penetrating a work gap 5 defined by a pair of electrodes 6,7. The generator comprises a voltage or current source 1, a plurality of main circuits being connected across said voltage or current source 1, each main circuit containing a separate primary winding 1031, 1032, 103N forming part of a single low-induction pulse transformer 100 for the generator. Each main circuit also contains a first switch T11, T21, TN1 serving to control current flow or pulse shape in the main circuit; an energy storing unit 31, 32, 3N; a second switch T12, T22, TN2 for producing an over-voltage in the main circuit in co-operation with the energy storing unit 31, 32, 3N and with the primary winding 1031, 1032, 103N, so that a work pulse penetrates the work gap 5; a third switch T31, T32, T3N for producing a steep trailing edge of the work pulse. <IMAGE>
Patent GB-2009728-A (GB)
Title: Controlled solubility of soil additives
IPC: C05G3/00
Filed: 1978-11-17
Abstract: A composition of matter, primarily for agricultural purposes, comprises an organic particulate material such as a waste material for example sawdust, wood flour, grass cuttings, paper pulp, compost or bagasse, the particles being coated with a polymer to render the particles non-wetting and a water- sensitive material, for example a water-soluble material useful in agriculture, in order to reduce the sensitivity of the substance for extended utility.
Patent GB-2011124-A (GB)
Title: Pressure Ratio Multiplier
IPC: F15B3/00
Filed: 1978-12-01
Abstract: A pressure ratio multiplier adapted for a turbine engine fuel control a comprises a first bellows 12 responsive to the difference between compressor discharge and air bleed pressure, P3, PB and a second evacuated bellows 14 responsive to air bleed pressure, the forces produced by the two bellows acting in additive fashion to move a lever arm 26 which in turn is connected to regulate a fuel metering valve. The force output from the pressure ratio multiplier is directly proportional to compressor discharge pressure, and is a function of the ratio of compressor discharge pressure to bleed air. The output is used to modify the fuel flow acceleration limit of a turbine engine as a function of compressor bleed air flow. The device can be used as a pneumatic computer in other applications. <IMAGE>
Patent GB-2042276-A (GB)
Title: A motor control unit comprising a ganged switch and resister arrangement
IPC: H01C10/20
Filed: 1979-02-08
Abstract: First and second ganged and rotatable contacts 14, 15 are mounted for rotation on a wheel 13 with the first rotatable contact 14 selectively in contact with fixed contacts (18) and 19 connected to positive and negative voltages respectively. The second rotatable contact is in contact with a resistor mat 20. The control unit provides a reversible and variable direct voltage and may be used to control a D.C. motor. <IMAGE>
Patent GB-2013505-A (GB)
Title: Line-Building Game
IPC: A63F9/06
Filed: 1979-03-02
Abstract: A game of skill is provided which includes a board 1, 10 separated into twenty-five playing spaces 2 arranged in five columns of five; twenty playing pieces 3 of five different sorts; and twenty playing cards each bearing shape or colour representations on one face corresponding to the playing pieces. The players take successive moves to try and arrange five playing pieces in a continuous line corresponding to the representations on a respective drawn playing card. A player's card may be placed face down in a recess 12 and its face reflected to be visible only to the player. Playing pieces may have different colours on opposite faces and a "stop" counter 15 be provided. Each player may be required to construct a line as shown on a face-up card and a line as shown on a face- down card, the latter line being reflected in a surface 11. <IMAGE>
Patent GB-2045379-A (GB)
Title: Metering pump
IPC: F04B9/06
Filed: 1979-04-04
Abstract: A drive unit for a reciprocatory metering pump includes a rotary input shaft 2, a reciprocatory drive output member 7 driven by a cam follower 5, 6 riding on a cam 3, 4 carried by said rotary input shaft 2, and a lost motion connection 18, 19 between the cam follower 5, 6 and the reciprocatory output member 7, with a slightly resilient buffer material 17 between the cam follower member 5, 6 and the reciprocatory drive output member 7 to absorb energy during take up of the lost motion, the buffer 17 being preferably held in a pre-compressed state even during a return stroke. <IMAGE>
Patent GB-2020906-A (GB)
Title: Contact breaker assembly
IPC: F02P7/063
Filed: 1979-04-24
Abstract: A contact breaker includes a pivot post 16, a movable contact 25 carried by an arm 23 and movable into and out of engagement with a fixed contact by pivotal movement about said post, the movable contact assembly including a bush 22 having extending therein a bore within which a region of said post 16 is received to pivotally to mounted the assembly on said post, said region of said post being formed with a circumferentially extending recess 28, and the wall of said bore carrying a radially inwardly extending projection 29 which is resiliently engaged in said recess, the co-operation of the projection 29 and the recess 28 limiting the freedom of axial movement of the assembly relative to the post 16 at least in one axial direction. As shown, two projections 29 are provided. <IMAGE>
Patent GB-2021018-A (GB)
Title: Foundry Moulding Machines
IPC: B22C11/00
Filed: 1979-04-30
Abstract: A foundry moulding machine e.g. for the production of cope and drag moulds alternately comprises inlet and outlet paths (9,1) for mould boxes (18,20) to and from a mould forming station (26); a platen (7) for a mould pattern (14,3) in the station; a pattern draw (8) for transferring a mould box from the inlet path (9) to the mould- forming station (26) and from the station, after mould-forming, to the outlet path; and means for selectively locating one of a plurality of mould patterns (14,3) on a movable support over the platen (7), the support being lowerable to enable the said mould pattern (14,3) to be supported on the platen (7) during mould-forming. <IMAGE>
Patent GB-2023562-A (GB)
Title: Modified silica and germania
IPC: C07C15/02
Filed: 1979-06-21
Abstract: Aluminium-or gallium modified silica or germania is prepared by reacting an aluminium (or gallium) derivative and a silicon (or germanium) derivative with a clathrating substance with the possible addition of a mineralising agent and an inorganic base, and crystallising the mixture thus obtained, so that a compound is formed which has the general formula:  Si.(0.0012 - 0.0050)Al.Oy  Ge.(0.0012 to 0.0050)Al.Oy  Si.(0.0012 to 0.0050) Ga.Oy  Ge.(0.0012 to 0.0050)Ga.Oy  in which y is from 2.0018 to 2.0075. The modified silicas and the analogous compounds are efficient catalysts for a large number of reactions. A zeolite of formula  (0.9+/-0.2)M2/n0.W2O3(5-100)YO2-2H2O in which M is H<+>, NH4<+>, metallic cations or cations derived from amino alcohols, W is Al or Ga, Y is Si or Ge and z is 0-40 of ZSM-5 type is referred to as a modification.
Patent GB-2027910-A (GB)
Title: Apparatus for and method of performing soil permeability tests
IPC: G01N33/24
Filed: 1979-08-10
Abstract: The invention relates to a measuring instrument which can be used in conjunction with a piezometer for carrying out a constant head in situ soil permeability test. The instrument comprises a transparent or translucent cylinder 15 arranged in the upright position and graduated to indicate the level of water therein sucked up from a borehole 2. An inlet is provided in a closed top 16 of the cylinder and includes a valve i. A tube 19 extends through the cylinder from the inlet to near a closed bottom 17 of the cylinder. The top is also provided with an outlet 20 having a valve v and is connected to a source of vacuum. A drain outlet 21 leads from the bottom of the cylinder and also has a valve e. The instrument is used in conjunction with a piezometer enclosed in sand 4 and covered by a bentonite plug 5 in the bore hole 2, and measures the rate of flow of water under a constant head which enters or leaves the piezometer tip, the head  DELTA H being held constant by downpipes 10 and 11 in a standpipe 3 and under suction. <IMAGE>
Patent GB-2028733-A (GB)
Title: Tyre fitting device
IPC: B60C25/00
Filed: 1979-08-14
Abstract: A tyre fitting device comprises a strip (1) for location in an annular groove (3) adjacent to a bead seat to prevent a tyre bead engaging the groove (3) prior to inflation of the tyre and a handle (2) for mounting on the wheel rim (4) to locate the tyre in the well (8) and prevent the tyre beads slipping around the rim edge (4a) during fitting. The strip (1) comprises a length of flexible material, e.g. spring steel, which extends around at least half the circumference of the groove (3). Alternatively the strip may comprise a closed loop of resilient material. The handle (2) has an attachment portion (7) by which the handle (2) is mounted on the rim (4) and an arcuate portion (5e) which engages the tyre sidewall to urge the sidewall axially inwards into the well (8) during fitting. The handle (2) is attached to the strip (1) by a flange portion (6a) welded to one side (1a) of the strip (1). Alternatively the strip (1) and handle (2) may be separate. <IMAGE>
Patent GB-2046343-A (GB)
Title: Stable
IPC: E04H5/08
Filed: 1979-08-16
Abstract: A stable comprises a skeleton built from profiles and columns disposed at equal intervals in the longitudinal and transverse directions of the stable, the columns being located in one plane in a cross-sectional view being interconnected near their top ends by girders characterized in that two main columns 1, 2 arranged side by side in a transverse plane together with at least one main girder 3 interconnecting said main columns constitute a main porch, on the distal sides of which auxiliary girders 4, 5 of lower weight than the main girders are coupled with the aid of coupling pieces, said auxiliary girders being coupled with the aid of coupling pieces with auxiliary columns 22 of lower weight than the main columns. The coupling pieces may comprise box-shaped beam 16 inserted into girder 4, beam 16 being fastened to supporting plate 18 which is clamped to column 1 by bolts 19. A stiffening ridge 20 may be provided between beam 16 and plate 18. <IMAGE>
Patent GB-2075825-A (GB)
Title: Pneumatic baby's cot
IPC: A47D7/00
Filed: 1979-09-04
Abstract: A baby's cot having inflatable sides and base.
Patent GB-2036242-A (GB)
Title: Vehicle suspension unit with end-of-stroke damping
IPC: B60G13/08
Filed: 1979-09-13
Abstract: A vehicle ride strut includes a piston 143, which reciprocates in a cylinder 20 to divide the cylinder into two compartments 146, 148, flow of liquid between compartments on a contraction stroke in the operating range being less restricted than flow on an extension stroke in the operating range, which is in turn less restricted than flow on extreme extension. The piston is formed with passages 160 provided with check valves 158 and also with constricted passages 174. A valve member 180, formed with narrow passages 194 leading to an annular groove 196 adjacent the piston 143, engages the piston 143 upon extreme strut extension to greatly diminish flow of liquid through the piston 143. <IMAGE>
Patent GB-2041535-A (GB)
Title: A measuring and/or testing device
IPC: G01N27/02
Filed: 1979-12-24
Abstract: A device for testing and/or measuring electrically conductive material comprises means 1 for generating at least two frequencies or frequency components  omega 1- omega n which via a transmitter 2 induce a magnetic field in the material, and a control servo 5 for compensation of signals of the frequencies or frequency components derived from the transmitter 2. The compensation is such that an error signal resulting from a varying parameter such as varying lift-off, temperature or dimension is generally suppressed. This can be achieved by suppression of relatively slow signal variations but not the more rapid signal variations arising from the changes or deviations to be measured. <IMAGE>
Patent GB-2067381-A (GB)
Title: A mobile granular material spreader
IPC: E01C19/20
Filed: 1980-01-22
Abstract: A mobile spreader for granular material such as grit comprises a hopper (11) mounted in a chassis frame (10) supported on wheels (13) mounted on an axle extending through the chassis. The hopper (11) has an outlet aperture (15) at its lower end and the axle extends along the aperture and carries a rotary drum extending both along and across the aperture. A baffle plate (28) is mounted on the chassis and is spring loaded into engagement with the underside of the drum to control the flow of grit from the hopper and a number of vanes (29) are provided on the drum to cause the grit to be dispensed from the hopper in discrete quantities. <IMAGE>
Patent GB-2067941-A (GB)
Title: Poppet valve arrangement for impact tool control
IPC: B25D9/16
Filed: 1980-01-30
Abstract: A poppet valve arrangement for use with a reciprocating piston and cylinder device (24) of an impact hammer for controlling passage of fluid to or from the device includes closure poppets (13, 34) associated with the feed and return lines (10, 12 and 28, 30) respectively of the device. A floating piston (20) is sensitive to input line pressure and is adapted, according to position, to control the condition of the poppers. <IMAGE>
Patent GB-2042893-A (GB)
Title: Acaricidal Compositions
IPC: A01N25/02
Filed: 1980-02-06
Abstract: A non-aqueous acaricidal composition comprises benzyl benzoate together with from 5% to 100% of a fatty acid ester miscible with the benzyl benzoate but substantially insoluble in water. Suitable fatty acid esters include glyceryl monostearate and isopropyl myristate. The fatty acid ester slows down evaporation of the benzyl benzoate and also synergises its acaricidal action.
Patent GB-2047986-A (GB)
Title: Electrical interconnection systems
IPC: H01R13/639
Filed: 1980-03-28
Abstract: An electrical connection system for first and second electrical conductor members of the kind in which the first member (1) has an open setting for receiving or releasing the second member (2) and a closed setting for retaining the second in the engaged condition and in which an operating member or lever (3) is provided to open or close the first member, additionally includes an interlock arrangement 5, 8, 10 which prevents operation of the operating member (3) to close the first connector member is only partially engaged and which also stops removal of the second conductor member (2) until the first member (1) has been opened. The interlock arrangement has a portion 8 which prevents movement of lever 3 until member 2, such as a printed circuit board, has its contacts 2a correctly aligned with desired contacts of member 1. Portion 10 is then in a position which allows lever 5 to be raised to prevent portion 8 from obstructing movement of lever 3. Portion 5 then prevents movement of board 2 and cannot be moved to the position shown in Fig. 1 until member 1 is again in an open position. <IMAGE>
Patent GB-2047018-A (GB)
Title: Charging circuit and method for commutating capacitors of a variable frequency inverter
IPC: H02P27/06
Filed: 1980-04-22
Abstract: The variable frequency inverter is of the type having a positive half (18) and a negative half (20) with a plurality of thyristors, and having a respective commutating capacitor (42-46) connected between the cathodes of each pair of thyristors (22,30,36) in the positive half and a respective commutating capacitor connected between the anodes of each pair of thyristors in the negative half. The charging circuit (52a- 66) supplies a negative charge to the cathodes of those of the thyristors in the positive half which are in the non- conducting state, and a second charging circuit (78) supplies a positive charge to the anodes of those of the thyristors in the negative half which are in the non-conducting state. In one embodiment, a negative charging signal is supplied to the cathode of each thyristor in the positive half and a negative charging signal return path is connected to the anode of each thyristor in the positive half, which anodes being effectively commonly connected. In addition, a positive charging signal is supplied to the anode of each thyristor in the negative half and a positive charging signal return path is connected to the cathode of each thyristor in the negative half, which cathodes being effectively commonly connected. The present invention is particularly applicable for use in an inverter of an AC electric motor drive system. <IMAGE>
Patent GB-2078129-A (GB)
Title: Desiccant carrier strip and member incorporating same
IPC: E06B3/677
Filed: 1980-06-25
Abstract: In multiple glazing panels it is desirable to incorporate a desiccant into a spacer member to prevent condensation in the inter sheet space. A method of manufacturing a suitable desiccant-containing member 11,25 is provided in which such member is formed from a band 4 of material folded to a desired cross sectional shape in which a flexible desiccating strip 1,2,3 and the unfolded or partly folded band 21 are brought together and the band material is then folded to its final desired cross-sectional shape 11,25 to embrace the desiccating strip. The invention includes a method of manufacturing a flexible desiccating strip in which desiccant material 3 is applied to a moving adhesive-coated flexible carrier strip 1; a flexible carrier strip 1 which bears an adhesive coating 2 to which particles 3 of desiccant material adhere; a desiccant containing member including such a strip and a multi-pane glazing panel incorporating such a desiccant-containing member as a spacer member. <IMAGE>
Patent GB-2059103-A (GB)
Title: Projecting device comprising an array of single bar lenses
IPC: G02B3/00
Filed: 1980-08-05
Abstract: A projecting device is composed of an array of axial element lens systems, wherein each element lens system is composed of a single bar lens bearing a light absorbing layer 18 and having an axial length larger than the effective aperture and adapted for forming an intermediate image 20 of a pixel of the object plane and further projecting an erect image of a magnification of unity not inverted vertically nor laterally in such a manner that the light intensity on the image plane corresponding to said pixel is defined in the form of Gaussian distribution by the eclipse of the aperture, said element lens systems being arranged in a plane perpendicular to the optical axis so as to cause the light intensity distributions of said systems to mutually overlap in the peripheral areas thereof on the image plane, wherein each row of the systems in the array is preferably displaced by a half pitch with respect to the neighboring row to constitute a staggered arrangement thereby achieving a uniform exposure distribution integrated in time in the scanning direction. <IMAGE>
Patent GB-2063828-A (GB)
Title: Improvements in or relating to stacking methods and devices for the production of wafer blocks
IPC: A21C15/02
Filed: 1980-08-21
Abstract: A device for forming wafer blocks has a feed conveyor 1 for feeding wafer leaves in succession to stop surfaces 22, and a lifting conveyor 2 comprising spaced rotatable wheels 2b having angularly spaced fingers 9 for raising the leaves into a stack, for eventual removal by a withdrawal conveyor 3,7 at a speed independent of the lifting speed and the feed speed, in a plane spaced from the feed plane. A programmed timing device may control the various movements. The withdrawal conveyor comprises pushers 5 and conveyor belts 7. The pushers 5 coact with stops 20 to provide the stop surfaces 22. <IMAGE>
Patent GB-2060576-A (GB)
Title: Sheet feeders
IPC: B65H3/48
Filed: 1980-10-01
Abstract: A sheet feeding device comprises nozzles 32 through which streams of air may be directed upward and inward at the leading edges of the uppermost sheets in a vertical sheet stack. In a preferred embodiment, the sheet feeder moves the leading edge on the top sheet backwards before feeding it. The device may be used in printing machines, described in detail, or for example, in notecounting machines. <IMAGE>
Patent GB-2066890-A (GB)
Title: Spring clips
IPC: G09F3/16
Filed: 1980-11-24
Abstract: The invention provides a spring clip for attachment to a jacket and usable for holding an identification tag or card. The clip consists of two parts only, a housing (11) and a trigger (20), which are interfitted in such a manner that the trigger can pivot relatively to the housing so that a pair of jaws (14,22) on the two parts can move apart to engage on opposite sides of the fabric of the jacket and then be closed, by pressure exerted on the trigger (20) by a spring arm (16) of the housing (11), so as to grip the fabric and hold the clip in position. Preferably, the two jaws (14,22) are so arranged that the fabric gripped between them will be caused to follow a tortuous path, for secure retention without damage, and both the trigger (20) and the housing (11) are designed to be made in a two-plate mould for ease and economy of production. <IMAGE>
Patent GB-2066087-A (GB)
Title: Oil installation game
IPC: A63F3/00
Filed: 1980-12-22
Abstract: For playing a game of military strategy there is provided a playing piece for each player, a medical bag to represent a doctor, and a game board having respective tracks, marked with single move positions, sites each having an indicated military significance, a lamp and a sound transducer which can be actuated by the bridging of contacts by either of two sorts of playing piece, counters, cards having instructions to players, values or quantities of a commodity, indications of instructions, bonuses, or penalties, and a dice. Oil barrel pegs, each separable into parts to reveal a price, are provided. Players try to blow up the oil tank 10. <IMAGE>