baber/WOPTO huggingface dataset:
Patent GB-2042426-A (GB)
Title: Boat construction
IPC: B63B9/00
Filed: 1979-02-15
Abstract: The invention relates to the building of boats with cabins. A hull (Fig. 1) having a bottom 10 and sides 11 and 12 defining with bulkheads and a recess in the hull. A cabin shell (Fig. 3) e.g. of laminar plastics construction is manufactured separately and then dropped into the recess in the hull. The invention enables a cabin shell to be manufactured by mass production techniques at a different location to the hull, for example in a factory where the cabin shell can readily be manipulated and worked upon without the need to work in a restricted space. The cabin shell can then be transported to a boat yard and be rapidly fitted into the hull. <IMAGE>
Patent GB-2023133-A (GB)
Title: Heterocyclic derivatives
IPC: A61P1/04
Filed: 1979-04-19
Abstract: The invention relates to compounds of the general formula (I> <IMAGE> and physiologically acceptable salts, hydrates and bioprecursors thereof, in which R1 and R2, each represent hydrogen, C1-10 alkyl, cycloalkyl, alkenyl, alkynyl, aralkyl, trifluoroalkyl or alkyl substituted by hydroxy, alkoxy, amino, alkylamino, dialkylamino or cycloalkyl, or R1 and R2 may together with the nitrogen atom to which they are attached form a 5 to 10 membered alicyclic heterocyclic ring; Alk represents a straight or branched alkylene chain of 1 to 6 carbon atoms; Q represents a furan or thiophen ring in which incorporation into the rest of the molecule is through bonds at the 2- and 5-positions, or a benzene ring in which incorporation into the rest of the molecule is through bonds at the 1- and 3- or 1- and 4-positions; R7 represents halogen or C1-4 alkyl which may be substituted by hydroxy or C1-4 alkoxy;  X represents -CH2-, -O- or -S-   <IMAGE> where R6 represents hydrogen or methyl;  n represents zero, 1 or 2;  m represents 2, 3 or 4; R3 represents hydrogen, alkyl, alkenyl, aralkyl, hydroxyalkyl having at least two carbon atoms, alkoxyalkyl or aryl; and R4 and R5, each represent hydrogen, alkyl, alkyl substituted by hydroxy or C1-3 alkoxy, alkenyl, aralkyl or heteroaralkyl or R4 and R5 may together with the nitrogen atom to which they are attached form a 5 to 7-membered saturated heterocyclic ring which may contain another heteroatom, or the group   <IMAGE> or R4 and R5 taken together may represent the group =CR8R9 where R8 represents aryl or heteroaryl and R9 represents hydrogen or alkyl. The compounds show pharmacological activity as selective histamine H2-antagonists.
Patent GB-2048516-A (GB)
Title: Polyphase induction motor control
IPC: H02P21/06
Filed: 1979-05-01
Abstract: A computer 10 controls the torque of a polyphase induction motor by producing stator current instructions. This uses the equation:   <IMAGE>  where:  ins is the stator current instruction for the nth phase;  Te is desired torque;  P is the number of phases, preferably three;  n is 1,2,3...P (an integer);  Lr is the self inductance of the rotor windings;  M is the mutual inductance between stator and rotor windings;  ??? is the angle of flux of the rotating magnetic field;  ???o is the magnitude of this field and  KT is a constant angle. <IMAGE>
Patent GB-2021625-A (GB)
Title: Grinding Materials for Wet Grinding
IPC: B24D3/34
Filed: 1979-05-16
Abstract: A grinding material for wet grinding comprises a granular abrasive and a hard, plastic material formed from a hardenable plastic containing bonding material, said hard plastic material having the granules embedded therein and having a water absorption capacity. The hardenable bonding material may be selected from polyester resins, epoxy resins, polyurethanes and polyisocyanates and the hard plastic material may have a water absorption capacity of at least 0.5% by weight at temperatures of about 300 DEG K. The hardenable bonding material is also claimed. The grinding material may be formed into a grinding wheel.
Patent GB-2022891-A (GB)
Title: Vehicle safety system
IPC: B60T7/22
Filed: 1979-06-01
Abstract: The system, which is activated in the event of a collision, comprises an impact sensor 14, which transmits an external force via a pressure tappet 9, a tappet 6, and a substantially vee- shaped push rod 5 to a piston 1 located in a piston slide block 2. The piston moves back through the piston slide block until locked in a retracted position, and the piston head progressively engages conventional vehicle control members - accelerator 22, brake 23, clutch 24 and hand brake 25. When the hand brake is engaged, a shoe tappet 28 is pushed in a rearward direction and engages a substantially vee-shaped brake arm (31) Fig. 2 (not shown) having a brake shoe (34) at the end of each limb. The shoe tappet pushes the brake arm such that the brake arm pivots about two supports (33). The brake shoes drop onto the road surface, and in this way additional braking can be obtained. The system can be reset by releasing the piston from the retracted position in the piston slide block. A further embodiment, Figs. 6-8 (not shown), comprises an H-shaped pressure tappet. <IMAGE>
Patent GB-2030236-A (GB)
Title: Rotary seal
IPC: F16J15/32
Filed: 1979-06-14
Abstract: A sealing device comprising a diaphragm 18 (A-A''), carrying a lipped sealing ring 20 and having a skirt 18A, and a cap 26 which is rotatable with a shaft 10. The lips 22 and 24 of ring 20 seal against hub portion 26B of cap 26 to prevent leakage of lubricant and ingress of moisture and dirt, respectively. Stop means, such as lugs 18A'', are provided to prevent separation of the cap 26 from the diaphragm 18. Clearances 28, 30 and 32 between the cap and the diaphragm are such as to restrict relative movement therebetween in order to prevent damage to the lips 22 and 24. The stop means may alternatively comprise a ring (Fig. 6) fitted into a groove. In other embodiments one or both seal lips may bear on the face of an annular disc part 26A of the cap. <IMAGE>
Patent GB-2027255-A (GB)
Title: Sound absorbing means
IPC: G10K11/172
Filed: 1979-07-17
Abstract: A sound absorbing panel (6) of rectangular shape is made of closed-cell polyethylene foam and is provided with longitudinally extending internal cavities (7) connected to a major surface (8) of the panel by slots (11). The cross-sectional areas of the cavities and the widths and depths of the slots differ, and the cavities may extend to the ends of the panel or terminate short of the ends. <IMAGE>
Patent GB-2028722-A (GB)
Title: Attaching printing plates to supports
IPC: B41F27/12
Filed: 1979-08-13
Abstract: Flexible plate 14 is retained on printing cylinder 1 by vacuum produced in a vacuum chamber 2 arranged between the underside of the plate and the cylinder surface and the end edges of the plates are maintained in tight contact against the cylinder surface by means of a holding strip mechanically attached to the cylinder, and bearing against the end edges of the plate. The strip may, as shown be attached to register pins 11,12 cooperating with holes in the plate ends. In this case, resilient seal 19 is provided. Alternatively, the strip may be attached to the cylinder 1 between the plate ends. In this case, the strip and plate ends preferably have complementary bevelled surfaces. <IMAGE>
Patent GB-2029669-A (GB)
Title: Moving coil transducers
IPC: H04R9/06
Filed: 1979-08-17
Abstract: In a moving coil transducer, the centering forces acting upon its diaphragm 2 (Figure 1) (e.g. the mechanical suspension and the enclosed air in a sealed enclosure) are opposed by two coils 9A, 9B, or by one coil subdivided into two coils by a tap halfway along its length, the coils being so arranged that, when an adjustable D.C. is passed through them, forces are produced which act respectively upon the two coils and are balanced only when the diaphragm is at its mid position. These balancing coils may use the same air gap as the voice coils (Figure 3, not shown), or an air gap of a different magnet system (Figure 2, not shown). The balancing coils may be the voice coil itself (Figure 4, not shown). Alternatively the balancing coils may be mounted on a passive diaphragm. <IMAGE>
Patent GB-2056289-A (GB)
Title: Playing cards
IPC: A63F1/02
Filed: 1979-08-22
Abstract: A pack of playing cards comprises forty eight split-value cards, the front face of each of which is divided diagonally into two visually distinctive zones representing a different playing card suit-value combination. There is no coupling of similar card-values on the same card of the forty eight split-value cards. The pack is completed with four deuce cards, each having two visually distinctive zones, but both of the zones representing the deuce of the same suit. The pack may include two jokers and cards denoting which zones are to be considered effective in a particular game. <IMAGE>
Patent GB-2036725-A (GB)
Title: Highly stable liquid carbodiimide- containing polyisocyanate compositions and polyurethane foams obtained therefrom
IPC: C08G18/79
Filed: 1979-10-29
Abstract: Highly stable liquid 4,4'- diphenylmethane diisocyanate (MDI) containing MDI-carbodiimide adducts are prepared by heating MDI at a temperature of from 180 DEG C to 250 DEG C for a period of from one hour to ten hours in the presence of catalytic amounts of tris(chloromethyl) phosphine oxide and thereafter equilibrating the adduct formation. Equilibration can occur by any of several methods, e.g. by cooling the composition to a temperature of from 60 DEG C to 90 DEG C within twenty minutes, maintaining the composition at this temperature for a period of from one hour to four hours and thereafter cooling the composition to room temperature or by cooling the composition to a temperature less than 100 DEG C within twenty minutes, further cooling to room temperature, and maintaining the composition at room temperature for one week to two weeks. The resulting compositions have very low sediment contents and are particularly useful in the preparation of micro-cellular polyurethane foams by reaction with active hydrogen-containing compounds. <IMAGE>
Patent GB-2041353-A (GB)
Title: Process for preparing triazolidine derivatives
IPC: C07D249/12
Filed: 1979-11-20
Abstract: 1,2,4-Trisubstituted-triazolidin-3- one-5-thiones represented by the general formula:   <IMAGE> wherein R<1> is C1 to 3 alkyl, R<2> is C1 to 3 alkyl, phenyl, or phenyl substituted with 1 or 2 of the same or different substituents selected from halogen C1 to 4 alkyl, haloalkyl of 1 or 2 carbon atoms and 1 to 3 halogens, C1 to 4 alkoxy or nitro; C2 to 6 alkoxyalkyl, C2 to 6 alkenyl, C2 to 6 alkylthioalkyl, C1 to 3 alkylthio, C2 to 6 alkynyl, C3 to 6 cycloalkyl, (cycloalkyl)-alkyl of 4 to 8 carbon atoms, or C1 to 4 haloalkyl and 1 to 9 halogens, and R<4> is C1 to 6 alkyl, phenyl or phenyl substituted with 1 or 2 of the same or different substituents selected from halogens, C1 to 4 alkyl, C1 to 2 haloalkyl and 1 to 3 halogens, C1 to 3 alkoxy or nitro, are prepared by the reaction of an appropriate 1,4- disubstituted 1,2,4-triazolidin-3-one- 5-thione and an organohalide of the formula R<2>X in the liquid phase and in the presence of a base. The triazolidinonethione compounds some of which are claimed per se are useful as herbicides and plant-growth regulators, especially those represented by formula (I) in which R<2> is alkoxyalkyl, alkenyl, alkylthioalkyl, alkylthio, alkynyl, cycloalkyl, (cycloalkyl)-alkyl or haloalkyl.
Patent GB-2038940-A (GB)
Title: Exhaust By-pass Valve Apparatus for Double Entry Type I.C. Engine Turbocharger
IPC: F02B37/22
Filed: 1979-12-11
Abstract: In a double entry type turbocharger having two exhaust conduits (20, 21) formed, respectively with by-pass openings (22, 23), an exhaust by-pass valve apparatus is provided with a single by-pass valve (18) which controls both by-pass openings, and one diaphragm device which controls the by-pass valve by detecting discharge pressure of the intake air compressor. The by-pass apparatus may be formed integrally with the turbine or may be immediately upstream thereof (Figs. 6-8 not shown). <IMAGE>
Patent GB-2069436-A (GB)
Title: Container conveying and elevating apparatus
IPC: B65G19/02
Filed: 1980-02-11
Abstract: A container conveying and elevating apparatus conveys relatively shallow containers 37 having a relatively large diameter, such as aluminum can cup bodies, in banks, or en masse, that is, in multiple rows, along a generally horizontal feed-in conveyor 45 onto the bottom run of a generally vertically extending elevator conveyor 38 which is arranged in a vertically extending elevator housing. The elevator conveyor embodies multiple rows of generally horizontally or longitudinally and transversely extending spaced flexible container- conveying and supporting finger members 73 which are adapted to project into the interiors of, or otherwise engage, the containers as they are fed by the feed-in conveyor to the bottom horizontal run of the elevator conveyor. The containers are then conveyed by the bottom run of the elevator conveyor, and the flexible finger members thereon, around the first and lower turning means 85, 104 of the elevator conveyor, during which they are turned through an arc of approximately ninety degrees (90 DEG ) from a vertical position into a horizontal position on the vertically extending rear run of the elevator conveyor. The containers are then conveyed upwardly on the rear run of the elevator conveyor into the upper area of the elevator housing where they are again turned through an arc of approximately ninety degrees (90 DEG ), around a guide 108, from a horizontal position into an upright or vertical position, whence they are delivered, en masse, in upright position, from the rear run of the elevator conveyor to a take-away or delivery conveyor by which they are conveyed to a work station for extrusion of the can cup bodies or for other operations on the containers or container bodies. <IMAGE>
Patent GB-2043344-A (GB)
Title: Power Mesfet
IPC: H01L21/338
Filed: 1980-02-20
Abstract: A power MESFET comprises a layer (4) of a III-V semi-conductor material (particularly gallium arsenide) not exceeding 20  mu m (preferably not exceeding 10  mu m) in thickness, one face of the layer (4) being provided with an active surface zone (7) and source (41)-, drain (42)-, and gate (43)- electrodes, and the opposite rear face with a heat-dissipating metal coating (51). In production, the layer (4) is initially supported on a GaAs substrate which is etched away after an auxiliary carrier is fixed to the free face of the layer (4). <IMAGE>
Patent GB-2047692-A (GB)
Title: Pesticidal pentachlorobenzyl ester derivative
IPC: A01N53/00
Filed: 1980-03-28
Abstract: There is provided a pentachlororbenzyl derivative of formula 1   <IMAGE> wherein the 2,2-dimethyl-3-(2,2- dichlorovinyl)cyclopropane carboxyl moiety has IR-cis-configuration; a process for preparing the pentachlorobenzyl derivative and its use as a pesticide. The pentachlorobenzyl derivative has surprisingly good pesticidal properties, especially against insects, mites and ticks.
Patent GB-2073144-A (GB)
Title: Partitioned Cartons
IPC: B65D5/496
Filed: 1980-04-02
Abstract: A carton is divided by a cardboard insert (34 to 37) into two compartments, one of which contains two rectangular flaps (such as 10) folded inwardly of the carton from one side wall (3) thereof and a third flap (37) forming part of the insert and overlying the said two flaps. The third flap has an opening (40) therein for receiving the neck of a miniature bottle, the body of which is retained by the said two flaps (10). The other compartment is intended to contain a ring-pull can with a tumbler slid over one end. <IMAGE>
Patent GB-2055773-A (GB)
Title: Dispensing closure
IPC: B65D47/26
Filed: 1980-05-21
Abstract: A dispensing closure comprises two parts which are separable with difficulty, the first part being provided with an aperture 7 bounded by a frusto- conical wall 6 and the second part being provided with a spigot 12 of such a size as to be an interference fit in the aperture of the first part. To dispense, the second part is rotated to bring an opening 10 therein into alignment with an aperture in the first part. <IMAGE>
Patent GB-2054411-A (GB)
Title: Magnetic recording medium
IPC: C09D5/23
Filed: 1980-07-08
Abstract: The invention relates to a magnetic recording medium which provides on a base of non-magnetic material, in combination, an under layer of an acicular ferromagnetic metal powder prepared by dry reduction, and an upper layer of a chain ferromagnetic metal powder prepared by wet reduction, so as to make use of the advantageous properties of each. The thickness of the layers may be in the range of 0.5-4.0  mu m, and the upper-to-under layer thickness ratio is preferably in the range 1/3 - 4.
Patent GB-2054484-A (GB)
Title: Tire wheel
IPC: B60B21/12
Filed: 1980-07-22
Abstract: A pneumatic tire wheel for heavy load vehicles comprises a tire (1) provided with a tube (T) arranged therein, the tire being mounted on a rim (R) the base (RB) of which is provided at its one side with a fixed flange (F) and at its other side with a split flange (F'), a flap (2) having a base portion (6) and wings (3, 4), wherein the flap is provided at that portion thereof which is opposed to the rim base with a passage for facilitating drainage of water remaining in the tire when it is mounted on the rim. The drainage passage extends from the wing (4) to the wing (3) and/or to an incision (8) provided in the rim for allowing an air supply pipe (7) to pass therethrough. <IMAGE>
Patent GB-2083161-A (GB)
Title: Strip media drive apparatus
IPC: F16H7/08
Filed: 1980-09-02
Abstract: A strip media drive system has a pair of rotatable strip media packs (30, 40) (which may be coaxial, Figure 7) for reeling the strip media (33) therebetween. An endless belt (23) couples the rotation of the media packs together. A belt tensioner creates a greater tension in a portion of the endless belt leaving than in the portion entering the belt tensioner. The belt tensioner includes at least first and second rotatable rollers (20 and 21). The first roller (20) has a hard outer periphery and the second roller (21) has a viscoelastic outer periphery (48). The first and second rollers are forced together on opposite sides of the endless belt (23) so that as the belt is drawn therebetween, rolling friction between the rollers creates the higher tension in the portion of the belt leaving the tensioner. <IMAGE>
Patent GB-2075951-A (GB)
Title: Dispensing container
IPC: B65D83/06
Filed: 1980-12-31
Abstract: A dispensing container for powder or small articles comprises a paper tube having at its top a paperboard dispensing closure 3. Dispensing is achieved through apertures in the paperboard disc and the bottom of the tube is closed by a plastics plug closure 2. The plastics plug closure is of one piece construction and is standard for all materials to be dispensed, whereas the design of apertures or perforated weakened zones to create apertures in the dispensing closure is effected on conventional paper printing and cutting machinery. <IMAGE>
Patent GB-2074196-A (GB)
Title: Flat knitting machine with patterning mechanism
IPC: D04B15/70
Filed: 1981-01-07
Abstract: A flat knitting machine has a patterning mechanism which includes selector sinkers 15 with butts 18 which can be adjusted to vary the pattern, each such butt being constituted by an element slidable in the appropriate needle trick, bearing against the upper side of the shank 15.3 of the related sinker, and being held in its adjusted position by needle bars 19 appropriately positioned on the needle bed. <IMAGE>
Patent GB-2091569-A (GB)
Title: A kite
IPC: A63H27/08
Filed: 1981-01-24
Abstract: A kite has three control lines (4, 5, 6), which may be connected to two handles (8, 9) and to a means (12) for securing one of the lines to a body of a user. The provision of three control lines provides two ways in which the kite can be controlled; the kite can be rotated about two perpendicular axes. <IMAGE>
Patent GB-2096403-A (GB)
Title: An inductor
IPC: H01F27/40
Filed: 1981-04-03
Abstract: An inductor included as part of a pulse width modulation amplifier is formed by four coils 9A, 9B, 9C and 9D arranged alongside each other and connected in parallel. The coils are supported against electromotive forces tending to pull them together by insulating strips 10. The coils are enclosed within an electromagnetic shield formed by a cabinet 1. Because of the arrangement of the coils the magnetic field generated by them is confined to a region in the close vicinity of the coils, so that the losses which would otherwise occur as a result of the proximity of the shield or other cabinet are reduced to a minimum. Thus the efficiency of the inductor formed by the combined coils is greater than would be the efficiency of a single coil within the same cabinet, this latter arrangement being conventional.
Patent GB-2075244-A (GB)
Title: Pinch-roller actuation in bidirectional cassette tape players
IPC: G11B15/10
Filed: 1981-05-05
Abstract: A bidirectional cassette tape player with two capstans includes a motor-driven lever 20 for raising the inoperative one of pinch rollers 42, 43, the lever 20 being driven to an intermediate position with both pinch rollers raised when drive to the capstans is interrupted. The player may be one of plurality of sequentially-energised units provided in an automatic player, Figure 1 (not shown). At drive reversal, which can be initiated automatically by one of tape-tension sensors 44, 45, a latch 46 releases a part-toothed gear 19 to be driven through 180 DEG  by a pinion 40, so that the lever 20 is pivoted by means of a pin 22 and slot 21. A switch 18 is actuated by one of arms 49 to provide an output which, after a cassette has been played in both directions, cuts off the mains supply and energises the next player unit. A reversing relay is also energised in the next player which provides a driving pulse to the motor of the preceding unit to cause it to reverse and thereby raise both pinch rollers. Rechargeable batteries are provided to ensure that if the mains supply is interrupted tapes are driven to the end and the pinch rollers raised. <IMAGE>
Patent GB-2099334-A (GB)
Title: Drive for screw centrifuge
IPC: B04B1/20
Filed: 1981-05-28
Abstract: A continuously operating screw centrifuge for separating solids containing liquids with a rotatably drivable centrifuge drum containing a screw conveyor (19) rotating with a differential speed compared with the drum shell (5) has a first planetary gear (1) driven by means of a main drive motor (2) for driving the drum shell and the screw conveyor. A second planetary gear (6) is associated with the first planetary gear (1) and gear (6) with its case (6') is rotatably mounted on the motor shaft (7) of the main drive motor. The driven shaft (8) of the second planetary gear is fixed to the motor shaft of the main drive motor. The drive shaft (13) of the second planetary gear is driven by a two-speed motor (14) connected to a measuring and control unit (15). Thus, an automatic differential speed control between the centrifuge shell and the screw conveyor is obtained, as a function of the torque loading. <IMAGE>
Patent GB-2079387-A (GB)
Title: Improvements in detent mechanisms for gear-shift assemblies
IPC: G05G5/06
Filed: 1981-06-10
Abstract: A detent mechanism for a movable gear shift member 10 provided with detent notches 30 comprises a ball 12 resiliently urged into engagement with the notches 30 by a spring 26 in a cylinder 22 in which ball and spring are mounted. The ball is held in a cup 16 formed in piston 14, the cup being lined with a light metal sheet 20 having a layer 18 of polytetrafluorethylene formed thereon as a slip coating. The orifice formed by annular flange 24 is shaped to embrace the ball 12 with a slight clearance 25. <IMAGE>