baber/WOPTO huggingface dataset:
Patent GB-2000892-A (GB)
Title: Protective strip for a record disc
IPC: G11B33/04
Filed: 1978-06-27
Abstract: A protective strip (1) to serve as a peripheral guard for protecting the record surface of a record disc (5), the strip (1) being of U-shaped cross-section along its length and being of the required length and flexibility to enable the strip (1) to be wrapped around the rim of a record disc (5) to which the strip is to be applied, the limbs (7 and 7 min ) of the U-section being intended to embrace a rim portion of the record disc (5), and the strip (1) having lateral cushioning means (2 and 2 min ) on each side of the strip (1). The strip (1) may be made of polyvinyl chloride or any suitable elastomeric or resilient material. The protective strip can be combined with means for securing the ends of the strip together after the strip has been wound around the rim of a record disc. <IMAGE>
Patent GB-2005280-A (GB)
Title: Random copolymers of dicyclopentadiene and unsaturated monocyclic compounds
IPC: C08G61/06
Filed: 1978-08-11
Abstract: There is disclosed a method for the preparation of random copolymers of dicyclopentadiene and a compound selected from cyclopentene, cyclooctene, 1,5-cyclooctadiene and 1,5,9- cyclododecatriene by the use of a catalyst system comprising (A) tungsten hexachloride, (B) an organosilicon compound of the general formula:  R4-nSi(Y)n in which the R substituents are selected from alkyl, cycloalkyl, aryl and aralkyl radicals, and Y represents either a hydroxy group or a vinyl radical and wherein n is 1 or 2; (C) a di-n-alkylether or a phenyl-n-alkylether and (D), an organotin compound represented by the general formula:   <IMAGE> in which R<a>, R<b>, R<c>, and R<d> are selected from n-alkyl, phenyl and vinyl radicals.
Patent GB-2005867-A (GB)
Title: Improvements in and relating to solid bowl scroll decanter centrifuges
IPC: B04B1/20
Filed: 1978-10-03
Abstract: A decanter centrifuge comprises a bowl (10) having a liquids outlet (92) and a solids outlet (94). A drive (14) rotates the bowl (10) and pipework (90) introduces influent to the interior of the bowl (10) through a feed valve (35). A hydraulic motor (16) whose body is connected to the bowl (10) and whose output shaft (18) is connected to a scroll conveyor (20) determines the differential speed of the conveyor (20) relative to the bowl (10). A pump (30) supplies the motor (16) through a system in which the hydraulic pressure regulates the displacement of the pump (30) to maintain a predetermined relationship between conveyor speed and the pressure in the hydraulic drive and hence between the conveyor speed and the conveying torque while the flow rate in the system controls the setting of the feed valve (38) to maintain the flow rate in the hydraulic drive, and hence the conveyor speed and the rate of discharge of solid material, at a substantially constant predetermined value. <IMAGE>
Patent GB-2015628-A (GB)
Title: Hollow glazing panels
IPC: E06B3/673
Filed: 1979-02-16
Abstract: In the manufacture of hollow glazing panels, a spacer 6 is assembled to a sheet 20. In order to avoid marring a surface of the spacer 6 which is to be bonded to a sheet, the spacer 6 is drown across a holder 18 and the holder, holding the spacer, is then moved to deposit the spacer 6 in a stable resting position on the sheet 20. Apparatus for performing the method includes a support and locating means for the sheet, and means 17, e.g. pincers mounted on a carriage running above the holder, for drawing the spacer 6 across the holder 18. The holder comprises fingers, magnetic or suction means and is pivotable through 90 DEG  to deposit the spacer on the sheet. The spacer preferably comprises a tacky curable polymeric spacer element 5 extruded at 4 onto a desiccant- containing cured polymeric supporting element 1. Cutting and mitring means is preferably provided for shearing the spacer 6 at 19. <IMAGE>
Patent GB-2016223-A (GB)
Title: Improvements in or relating to emergency lighting
IPC: H02J9/02
Filed: 1979-02-27
Abstract: An emergency lighting system comprises a control unit 1 arranged to send continuous direct current or tone burst control signals to a plurality of lighting units 3. Each lighting unit 3 switches on one or more lights upon failure of a normal lighting system, switches off or to a low level of illumination the one or more lights during normal working of the normal lighting system, and switches on or off selectively the one or more lights according to continuous direct current or tone burst control signals received from the control unit 1 independently of the state of working of the normal lighting system, whereby the system can be made inoperative and can be tested.   <IMAGE>
Patent GB-2043907-A (GB)
Title: Differential Pressure Sensor
IPC: G01L9/00
Filed: 1979-03-08
Abstract: A differential pressure sensor has a star cantilever member 1 on which a pair of strain gauges 2 are mounted, one on each face. The star cantilever is secured between a pair of flexible sealing diaphragms 3 in a housing 4 which allows fluid pressure to be applied to each diaphragm. The strain gauges are connected in a Wheatstone bridge configuration (Fig. 3). The driving circuit operates in a pulsed mode to extend the lifetime of the strain gauges. <IMAGE>
Patent GB-2017944-A (GB)
Title: Camera shutter device
IPC: G03B9/22
Filed: 1979-03-08
Abstract: A common switch for X and M contacts is selectively operated by the shutter release or by the movement of shutter blades. The device comprises shutter blade means (4); shutter release means (9); blade moving means (12, 13, 16, 20, 21), operated as a result of actuation of the shutter release means (9), for moving the shutter blade means (4) to effect opening and closing of a shutter aperture (1a); a flash circuit (not shown) including a normally open switch (23); a change-over member (24) which may be set in first and second positions; a switch-operating member (26) whose position depends on the setting of the change-over member (24); and an actuating member (11) which is actuated by operation of the shutter release means (9) and which is engageable with the switch-operating member (26); the arrangement being such that, in operation, when the change-over member (24) has been set in its first position (shown in Figure 5), the switch-operating member (26) is so disposed that the actuating member (11) causes the switch-operating member (26) to close the switch (23) and, when the change-over member (24) has been set in its second position (shown in Figure 8), the switch-operating member (26) is so disposed that a part (20) of the blade moving means (12, 13, 16, 20, 21) causes the switch-operating member (26) to close the switch (23). <IMAGE>
Patent GB-2024281-A (GB)
Title: Base paper for dry-strippable wall coverings and process for its manufacture
IPC: D21H27/38
Filed: 1979-06-22
Abstract: A base paper for a dry-strippable wall covering comprises two or three plies of which the ply to abut the wall contains from 50 to 90% by weight of fibrillated polyolefin fibers which are fused to one another. The base paper is manufactured by subjecting it to a heat treatment to cause the polyolefin fibers to fuse to one another, the heat treatment suitably being carried out at a temperature from the crystallite melting point to 80 DEG C above the crystallite melting point of the polyolefin without the application of pressure, or from a temperature of 20 DEG C to a temperature of 50 DEG C above the crystallite melting point of the polyolefin with the simultaneous application of pressure. Wall coverings manufactured from the base paper can be dry-stripped in their entirety from a wall surface without splitting or tearing.
Patent GB-2024642-A (GB)
Title: Fluorination of catalysts
IPC: B01J27/12
Filed: 1979-07-04
Abstract: Rapid in situ fluoridation at elevated temperature and pressure of hydrotreating catalysts with gaseous organic fluorine compounds, e.g. difluoroethane. The fluorine compound is injected all at once in a gas preferably hydrogen, which is recycled through the hydrotreating plant. The gas is recycled until analyses on concentrations of a decomposition product of the injected fluorine compound, e.g. difluoroethane, in the recycling gas indicates that the desired amount of fluorine has been incorporated on the catalyst. Result: even distribution of the fluorine on the catalyst.
Patent GB-2055641-A (GB)
Title: Tailstock assembly
IPC: B24B41/06
Filed: 1979-08-14
Abstract: A tailstock assembly suitable for machine tools such as grinding machines comprises a tailstock (3) including a tailstock poppet (4) spring urged (8) to provide forward tailstock thrust on a workpiece via a work centre (7) fitted to the poppet (4). To prevent retraction of the poppet (4) under heavy axial reverse thrust during machining whilst avoiding imposing any significant forward thrust on the tailstock a wedge (12) frictionally engages an elongate member (5) retained inside a counterbore (6) in the poppet (4) by the spring. The wedge (12) is urged into its locking position by a second spring (16) and is held therein by said frictional engagement with the elongate member. To retract the poppet (4), hydraulic pressure in a chamber (24) formed at one end of the edge (12) is increased to move the wedge (12) against its spring (16) until an aperture (26) in the wedge (12) is aligned with and can receive the elongate member (5) allowing retraction of the tailstock (3). <IMAGE>
Patent GB-2035179-A (GB)
Title: Method and device for reinforcing metal item
IPC: C21D10/00
Filed: 1979-11-13
Abstract: A method of reinforcing a metal item (20) by affecting the surface of the item (20) with pressure pulses produced by single pulses from an electromagnetic field, said single pulses being appropriately spaced so as to allow the energy of the next single pulse from said electromagnetic field to be stored. A device for executing the proposed method comprising at least one inductance coil (1) contained within a dielectric enclosure (14), and coupled through a switch (4) controlled by a programming commutator (3), to a pulse generator (5) provided with a discharge energy accumulator (6). Two or more coils 1 may be provided on one or both sides of the work 20. <IMAGE>
Patent GB-2065098-A (GB)
Title: N-substituted Thiazolyl Derivatives of 7-amino- cephalosporanic Acid
IPC: A61P31/04
Filed: 1979-12-07
Abstract: Compounds of general formula (I> <IMAGE>  wherein  A is   <IMAGE> wherein R2 represents a hydrogen atom or a free or protected hydroxy group; R is 1) -OR3 in which R3 is hydrogen or a branched or straight chain saturated or unsaturated C1-C6 aliphatic hydrocarbon group which is unsubstituted or substituted by one or more substituents selected from a) cyano, b) -COOR' in which R' is hydrogen, C1-C6-alkyl or a carboxy-protecting group;   <IMAGE> in which each of the groups R4 and R5, which may be the same or different, represents a hydrogen atom, a C1-C6 alkyl or a C2-C6 aliphatic acyl group, or, when R4 is hydrogen, R5 may be also an amino-protecting group; or   <IMAGE> wherein R4 and R5 are as defined above;  R1 is hydrogen or an amino- protecting group; n is zero, 1 or 2; Y is a') hydrogen; b') halogen; c') hydroxy; d') C1-C6-alkoxy; e') C1-C6 alkyl; f') -CH2OCOCH3; g') a group   <IMAGE> where R'' may be hydrogen, C1-C6 alkyl, carboxy, cyano or carbamoyl; h') a group -CH2-S-Het,  wherein Het represents   1) a pentatomic or hexatomic heteromonocyclic ring containing at least one double bond and at least one heteroatom selected from N, S and O, which ring may be unsubstituted or substituted by one or more substituents selected from:     a'') hydroxy, C1-C6 alkoxy, halogen, C2-C6 aliphatic acyl; b'') C1-C6 alkyl unsubstituted or substituted by one or more substituents selected from hydroxy and halogen; c'') C2-C6 alkenyl unsubstituted or substituted by one or more substituents selected from hydroxy and halogen; d'') -S-R6 wherein R6 is hydrogen or C1-C6 alkyl -S- CH2COOR' wherein R' is as defined above; e'') -(CH2)m-COOR', -CH=CH-COOR', -(CH2)m- CONH2 or -(CH2)m-CN wherein m is zero, 1, 2 or 3 and R' is as defined above;   f'') (CH2)mSO3H wherein m is as defined above; or   g''> <IMAGE> wherein m, R4 and R5 are as defined above; or   2) a heterobicyclic ring containing at least two double bonds wherein each of the condensed heteromonocyclic rings thereof is the same or different pentatomic or hexatomic heteromonocyclic ring containing at least a heteroatom selected from N, S and O, the heterobicyclic ring being unsubstituted or substituted by one or more substituents selected from a''), b''), c''), d''), e''), f'') and g'') defined above; X is a free or esterified carboxy group; provided that when A is a -CH2- group, R is not -OH; and the pharmaceutically and veterinarily acceptable salts of compounds of general formula (I) are useful antibacterial agents for treatment of humans and animals.
Patent GB-2043692-A (GB)
Title: Fixed bed electro-chemical cell for purifying waste water
IPC: C02F1/461
Filed: 1980-02-05
Abstract: The cell comprises a three- dimensional anode and/or a fixed-bed cathode in which the free cross-section available in the fixed bed for the electrolyte is reduced, over at least a portion of the distance between the electrolyte inlet to the electrolyte outlet that is nearer to the outlet, by appropriately shaping the electrodes and/or an intermediate ion-exchange membrane and/ or by reducing the size of the particles in the fixed-bed cathode in the direction towards the outlet.
Patent GB-2062435-A (GB)
Title: Tractor/implement couplings
IPC: A01C7/20
Filed: 1980-05-08
Abstract: A planting machine having a link mechanism 28A, 28B of substantially an inverted trapezoid shape in front view for coupling a planting device to a machine body. The link mechanism is so arranged that a center of rolling P to permit relative transverse oscillations between the planting device and the machine body is substantially at the middle transversely of the machine body and adjacent to ground contacting surfaces of floats 15 supporting the planting device. <IMAGE>
Patent GB-2053660-A (GB)
Title: Restraint device
IPC: B60R22/14
Filed: 1980-06-02
Abstract: A child restraint, of the type comprising a pad 16 adapted to fit between an adult lap safety belt and the abdomen ofa child, can alternatively be used as an adult head restraint. When used as a child restraint, the pad 16 is held in place by an adult lap safety belt 14. When used as an adult head restraint, the pad 16 is secured to fixtures 36 and 38 at the top of the seat back, the front surfaces 50 of the device 16 being suitably shaped. When used as a child restraint, webs 28 and 30 of webbing extend from the top of the seat back to respective sides of the pad 16, so as to provide lateral restraint. <IMAGE>
Patent GB-2056777-A (GB)
Title: Electric kettles
IPC: H05B3/04
Filed: 1980-06-05
Abstract: An electric kettle comprises an electric immersion heater 12 permanently mounted on a metal head 22 so as to produce a hot spot 29, a bimetal 41 responsive to overheating of the hot spot to transmit movement, via a first movable member 43, to a first contact 71 so as to open switch contacts 71, 72 mounted on an electrically insulating mounting 61, which supports a second movable member 74 which extends from the second contacts 72 through a way within the mounting 61 to a steam responsive actuating mechanism 18 for actuation by the latter when the water in the kettle boils. <IMAGE>
Patent GB-2052525-A (GB)
Title: Method for the preparation of shaped articles of vinyl chloride based resin with improved surface properties
IPC: C08J7/18
Filed: 1980-06-16
Abstract: A method for preventing bleeding of a plasticizer or other additive ingredients on the surface of from a vinyl chloride-based resin article comprises blending the vinyl chloride resin prior to fabrication into shaped articles, with 0.5 to 50% by weight of a crosslinking aid selected from allyl group-containing compounds, e.g. triallyl cyanurate and triallyl isocyanurate, and esters of methacrylic acid, e.g. diethyleneglycol dimethacrylate and trimethylolpropane trimethacrylate and then fabricating into a shaped article, which is then exposed to low temperature plasma of a gas having no polymerizability in the plasma condition, e.g. carbon monoxide, so that a barrier layer with a controlled degree of crosslinking is formed in the surface. The effect is very durable over a long period of time so that plasticizer bleeding is effectively prevented even after prolonged outdoor use or weathering.
Patent GB-2056297-A (GB)
Title: A continuous dissolving plant for the production of a sugar solution
IPC: A23L29/30
Filed: 1980-08-14
Abstract: A plant for the production of a sugar-water-glucose mixture comprises a heated coiled pipe 13 through which the mixture is pumped under pressure and in order to accelerate the passing of the sugar crystals into solution with the water, which is added in only small amounts, stationary mixing elements which may be in the form of helical pieces 20 are arranged in the coiled pipe 13. Successive elements may be staggered with respect to each other, for example by 90 DEG , and are preferably of opposite hand. <IMAGE>
Patent GB-2060963-A (GB)
Title: Improvements in or relating to amplifiers
IPC: H03G7/00
Filed: 1980-10-06
Abstract: To facilitate the display of electrical signals derived e.g. from ultrasonic test apparatus 8,9,10, an amplifier is used which has a first gain characteristic during one part of the voltage range and a second gain characteristic during another part of the range. The amplifier may employ an operational amplifier 7 with a feedback circuit R2, R3, R4, the junction between R3 and R4 being connected to earth through a transistor 17 which becomes conductive at the transition voltage between the two characteristics as determined by the setting of a potentiometer R6. Simultaneously with transistor 17, a further transistor 18 becomes conductive and shifts the bias voltage of the amplifier by an amount determined by the setting of R7. Further network(s) 16 may provide for third ic gain characteristic(s). One or more of the characteristics may be non-linear. <IMAGE>
Patent GB-2061223-A (GB)
Title: Load lifting apparatus
IPC: B66B9/16
Filed: 1980-10-17
Abstract: The invention relates to load lifting apparatus, in particular for use in building or building repair work. The invention provides apparatus comprising a ladder 10 and a separable hoist structure 9. The hoist structure 9 has a track 17 along which a load carrier 14 is moved by a pulley and cable system. The load carrier 14 is guided along the track 17 by means of mutually opposed pairs of rollers 22 which grip the track 17. The hoist structure is attached to the ladder 10, which is an extensible ladder consisting of two portions 11 and 12, by upper and lower brackets 18 and 16. The pulley and cable system is powered by a detachable power unit 20. The hoist structure 9 is wholly supported by the ladder 10 and thus can be made of a light metal which allows it to be light and easily portable. Therefore, hoist structures weighing as little as 30kg or less may be made which could be easily carried around a building site by a single worker. <IMAGE>
Patent GB-2068240-A (GB)
Title: Magic wand
IPC: A63J21/00
Filed: 1980-11-14
Abstract: A magic wand consists of a rod having a fine thread connected thereto and having one end weighted to maintain it with its longitudinal axis substantially vertical as it is moved upon manipulation of the fine thread. The fine thread is connected to the rod by passing through a lateral hole. The wand may be internally lit by a battery forming the weight. <IMAGE>
Patent GB-2075290-A (GB)
Title: Electronic tripping systems
IPC: H01H71/12
Filed: 1981-01-26
Abstract: In an electronic circuit-breaker tripping system including a combined rectifier and voltage multiplier circuit, an energy storage device, a pulse generator and a switch which controls the winding of a tripping device (e.g. as described in GB 2037509), the rectifier and voltage multiplier circuit and the pulse generator are grouped together and are arranged in an IC module 30 which is substantially of brick-shape construction and is connected as an integral component member to the casing 25 surrounding the tripping system. Thus, the size of the system can be greatly reduced. <IMAGE>
Patent GB-2068973-A (GB)
Title: Steroid/protein conjugates
IPC: C07J41/00
Filed: 1981-01-29
Abstract: A method and composition for increasing ovulation in female cattle wherein the cattle are administered with the composition so as to produce a mean steroid binding antibody titre in the female cattle of from 1 in 100 to 1 in 5000 at the time of ovulation. The composition comprises (i) a conjugate of a steroid androgen, such as androstenedione or testosterone, or of a steroid oestrogen, such as oestrone, and an immunogenic protein, such as human serum albumin, and (ii) acid anhydrides of the steroid derivative, the composition containing from 10 to 90% of the steroid moiety in the form of the anhydrides.
Patent GB-2074620-A (GB)
Title: Liquid treatment of textile
IPC: D06B5/08
Filed: 1981-04-07
Abstract: Apparatus for continuous liquid treatment of a length of textile material has a perforated cylinder (6) filled with liquid (2') under pressure. A screen belt (7) passes around almost the whole periphery of the perforated cylinder. The length of material (12) to be treated passes over an input roller (8) and is squeezed between the belt (7) and cylinder (6) while liquid is forced through it. The material passes out of the apparatus by way of an output roller (9). Particles of dirt caught on the screen belt are washed from it by the expressed liquid falling on to and through the return run of the belt between rollers (10) and (11). <IMAGE>
Patent GB-2081446-A (GB)
Title: High resolution marine seismic stratigraphic system
IPC: G01V1/36
Filed: 1981-06-30
Abstract: High resolution, high penetration marine seismic stratigraphic system wherein a slanted cable (16) comprising spaced-apart hydrophone arrays (18a, 18b, ... 18x) gather seismic reflections so that the corresponding primary (20) and ghost (24) reflections from a common interface gradually are spaced apart. The primary reflections are time aligned and stacked. The ghost reflections are phase reversed, time shifted and time aligned to coincide with the time aligned primary stack and then stacked to give a combined primary and ghost stack, which effectively includes almost twice the information as from the primary stack alone. No inverse notch filters are needed to correct for the ghost phenomenon. Focused noise out of the vertical plane is also virtually eliminated.
Patent GB-2081082-A (GB)
Title: Seats
IPC: B60N2/06
Filed: 1981-07-06
Abstract: A vehicle seat has a seat part (1) supported on an underframe (2) by a system of linkages including two rotary rods (13 and 14) located respectively along the front edge and rear edge of the seat part (1), of which carries a pair of bell crank levers (3,4 and 5,6) which are at their first ends pivotally connected to respective supports (7,8 and 9,10) rigid with the seat part (1), while the other ends (4a and 6a) are coupled to respective thrust mechanisms (21 and 25). In an alternative both adjustment means are driven from the same motive power source. <IMAGE>
Patent GB-2100994-A (GB)
Title: Dart shaft
Inventor: TAYLOR RAYMOND
IPC: F42B6/00
Filed: 1981-07-10
Abstract: A modular dart shaft for attachment to the body of a throwing dart comprises a dart flight (8 or 9), a dart shaft (1 or 2) and a connector portion (7) which preferably consists of a length of flexible plastics tubing. The dart flight (8) may have an integrally-moulded spigot (10) for insertion into the connector (7). The invention may alternatively be used with conventional dart flights (9) by means of an end adaptor (12) with a similar spigot (13). The dart shafts (1, 2) have corresponding spigots (5, 6) and their front ends are preferably threaded so that they may be screwed into a dart barrel. The modular nature of the dart shaft reduces the number of different parts required to make the same variety of dart shafts and flights. The flexibility of the dart flight (8) and connector (7) causes the dart to suffer less damage when hit by a second dart. <IMAGE>