baber/WOPTO huggingface dataset:
Patent GB-2084945-A (GB)
Title: Crawler suspension system
IPC: B60K17/02
Filed: 1981-01-26
Abstract: A suspension arrangement for a heavy crawler vehicle having a plural supporting rollers (33) which are constructed and mounted on elastomeric pad devices (61, 63) such that the overall loading characteristic of the pads is non-linear and terminates in a bulk modulus compression range. The roller assemblies (65, 67) and pad devices (61, 63) are disposed in cavities (53) in a track frame in free sliding contact with the cavity walls. The rollers and elastomeric pad devices are so constructed as to facilitate relative vertical movement of the rollers under load with respect to the track frame to enable the vehicle to operate on uneven surfaces with superior load distribution between the totality of load-supporting rollers. The crawler vehicle may have means mounting the tracks for roller action in either parallel or converging planes, depending on the contour of the road surface, or roller units mounted for lateral rocking movement. <IMAGE>
Patent GB-2093355-A (GB)
Title: Novelty device
IPC: A63H37/00
Filed: 1981-02-13
Abstract: The device comprises a container (10) surmounted by a device such as a windmill (12) operable by blown air. A mouthpiece (14) projecting from the side of the container includes a pair of holes (16, 18), a first hole (16) communicating with a tube (20) extending to an outlet (22) at the top of the container and a second hole (18) communicating with the interior of the container, e.g. via tube (24). Aperture means (28) are provided in the wall of the container through which the container contents may be expelled. In use, the container (10) is partially filled with pulverulent material such as soot. When only the first hole (16) is blown through, the device (12) will be operated. However, if the second hole (18) is blown through, the container contents will be ejected through the aperture means (28) towards the face of a user. The owner of the toy demonstrates use by blowing into the first hole (16) only. An unsuspecting victim, unaware of the significance of the two holes (16, 18) will blow into both holes causing the container contents to be ejected towards his face. <IMAGE>
Patent GB-2094462-A (GB)
Title: Mounting arrangement for a photographic flash power pack
IPC: F21V23/00
Filed: 1981-02-21
Abstract: A power pack assembly for photographic flash equipment is contained within a housing (1) from which legs (6) radiate to provide a stable base. A support (7) for a lighting column extends vertically from the centre of the housing. The weight of the power pack, coupled with the radiating legs, provides a very stable base for the lighting column which can therefore be of increased height. <IMAGE>
Patent GB-2075578-A (GB)
Title: Railway points
IPC: E01B7/20
Filed: 1981-03-25
Abstract: Railway points have first rail sections (1,2) the end portions of which are transversely movable for alignment with fixed rail sections (3,5 and 4,6) comprising main and branch tracks respectively. A pair of connecting rails (11,12 and 13,14) are located on either side of each movable rail section portion and are connected (at 16,17) to the movable rail section portion only in the region at the entry to the points near where the movable rail section connects with the fixed rail section and (as 25,26,27) to the ends of the fixed rail sections (3,4,5,6) comprising the continuation of the main track and the branch track. The connecting rail portions serve to transmit tensile and thrust forces between the various fixed rail sections and portions thereof. <IMAGE>
Patent GB-2077992-A (GB)
Title: Lamp cap with smooth internal contour
IPC: H01K1/46
Filed: 1981-06-03
Abstract: The interior cavity of an electric lamp cap (1), arranged to fit in use over an end of a lamp envelope, generally tapers from the open end (2) to the closed end (3), said interior cavity being divided at least at its narrowest end (6) into two smaller cavities (5) each tapering towards an apex (4) which communicates with the exterior of the closed end of the cap by means of a said aperture, the surfaces of the interior of each said smaller cavity being smoothly rounded. A pair of straight, parallel lead-in wires may be threaded through said apertures in a cap according to the invention by moving the cap along its axis onto the wires without rotation or movement of the cap perpendicular to the cap axis, the tapering surfaces of the cavities serving to guide the ends of the wires towards and through the apertures. <IMAGE>
Patent GB-2083446-A (GB)
Title: Protective coverings for bottles
IPC: B65D23/08
Filed: 1981-09-03
Abstract: A bottle covering has the general shape of a right prism (1), preferably regular, of which the cross section is such that its surfaces are tangent to the body of the bottle (4) to be protected, the said prism being sealed off at least partially at its base by a part which can be applied against the bottom of the bottle, while at the top there is at least one element capable of gripping the shoulder which forms the connection between the body and the neck of the bottle. <IMAGE>
Patent GB-2087660-A (GB)
Title: Electrically activated control elements
IPC: H02N2/04
Filed: 1981-09-25
Abstract: An electrically operated control element comprises a base plate 1, a guide plate 2 and a piezo-electric transducer 4 mounted on the base plate and movable relative to the guide plate 2. The base plate 1 and guide plate 2 are connected rigidly by four spacer elements each consisting of a pile of piezo-electric discs. The axes of polarisation of the spacer elements are perpendicular to the axis of polarisation of the transducer 4 so that when all the piezo-electric discs are electrically activated simultaneously the movement of the transducer 4 relative to the guide plate 2 is effectively doubled. <IMAGE>
Patent GB-2087330-A (GB)
Title: Marine tether anchoring device
IPC: E21B41/10
Filed: 1981-10-26
Abstract: A releasable marine tether anchoring device comprises an anchor body 1 and a segmented spring collet 2 that moves axially relative to the body. As the anchor body 1 moves downwardly relative to collet 2 its upper end 28 is expanded by wedging means 20, 21 attached to the anchor body and lockingly engages the wall of an anchoring chamber 38. So the lower end 23 of tether line 24 attached to the wedging means 20, 21 cannot escape from anchoring chamber 38. Release is effected by slackening the tension on tether line 24 and supplying fluid through line 24 and seat 30 to a piston 11 supported in the anchor body 1 so that the piston forces the collet 2 downwardly and releases the segments 28 from the face 21 of wedging means 20. Retraction of the collet is completed by cam ring 9 that engages faces 16, 17 on the collet as final downward travel of the collet takes place. <IMAGE>
Patent GB-2109498-A (GB)
Title: Control cable
Inventor: TIMPSON IAN GRENVILLE
IPC: F16C1/26
Filed: 1981-11-12
Abstract: A control cable comprises a flexible sheath (2), a liner (5) composed of acetal resin within the sheath, and a control wire (6) having a coating (9) of oil-filled polyethylene resin deposited thereon mounted in the liner for axial movement relative to the sheath and the liner. The selection of oil-filled polyethylene and polyacetal resins improves the durability of the cable at high temperatures. <IMAGE>
Patent GB-2088330-A (GB)
Title: A holder and dispenser for a roll of web material
IPC: B65H35/00
Filed: 1981-11-19
Abstract: A holder for a roll of plastic bags comprises a housing 1 formed of transparent or translucent plastics or coated pasteboard material having two parts 2, 3 which, when closed, together have flanges defining a spout 12 through which bags may be withdrawn from the roll within the housing. The spout 12 may have a pointed end 14 to facilitate the separation of a bag withdrawn from the remainder of the bags retained within the holder, or one flange may have a serrated free edge. The two parts 2, 3 may be moulded as two interconnected parts. <IMAGE>
Patent GB-2090833-A (GB)
Title: Trisubstituted pyrimido (5,4-d) pyrimidines
IPC: C07D487/04
Filed: 1981-12-24
Abstract: Compounds of the formula   <IMAGE>   wherein R1 is optionally substituted alkyl; R2 is hydrogen or optionally substituted alkyl; or R1 and R2, together with each other and the nitrogen atom to which they are attached, form an optionally substituted cyclic imino group; R3 is an optionally substituted cyclic imino group; and R4 is substituted hydroxyl, mercapto or amino; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antithrombotics.
Patent GB-2095410-A (GB)
Title: Displacement transducer
IPC: G01D5/20
Filed: 1982-03-02
Abstract: A method of producing a linear transducer of the kind comprising a hollow cylindrical former 10 within which in use is mounted a movable core 11 and winding means 12 carried about the former, said winding means comprising first and second inter- engaged helical windings, each winding having a number of turns which are disposed in axial side by side relationship, the connection of the windings being arranged so that the direction of current flow in one winding is opposite to the direction of current flow in the other winding. The winding means is formed using printed circuit techniques on a strip 12 of flexible insulating material which is then wound in helical fashion about the hollow former and stuck thereto. The coil which forms the windings has side portions 13, 14 extending adjacent the sides of the strip and the conductors forming the side portions are interconnected by end portions 15, 16. <IMAGE>
Patent GB-2094826-A (GB)
Title: Cellulase enzyme detergent composition
IPC: C11D3/386
Filed: 1982-03-02
Abstract: A detergent composition for clothes contains: (a) at least one surfactant selected from anionic surfactants, nonionic surfactants and ampholytic surfactants and (b) bacteria- and/or fungi-derived cellulase having the enzyme activity of at least 100 units for cotton cloths (1 unit is the activity for 1 g of sample to form 1 m mu  mole of reducing sugar from a cotton cloth in one minute).
Patent GB-2096819-A (GB)
Title: Electrical conductor for telecommunications cable
IPC: H01B7/02
Filed: 1982-03-26
Abstract: Insulated electrical conductor for telecommunications cable in which two layers of insulation are provided. The inner 16 of the two layers is a solid non-cellular construction and the outer layer 17 is cellular. The nominal mutual capacitance between the conductor and an identical conductor is at a desired value with a dielectric breakdown value between conductors above a desired minimum value while having an outside diameter across the insulation which is less than for a conductor of the same gauge which provides the same mutual capacitance and has a solid insulation of the same material as the inner layer e.g. polyethylene or polypropylene. The cellular material may be a closed or open foam. <IMAGE>
Patent GB-2096562-A (GB)
Title: Conveyor drive and roof support assembly
IPC: E21D23/00
Filed: 1982-04-08
Abstract: Drive arrangement for conveyor (10), especially near work faces in extractive mining, is mounted on a roof support assembly (52) or above or below another conveyor, allowing roof supports to be placed near working face and walls of driveage. <IMAGE>
Patent GB-2099193-A (GB)
Title: Method of making hands for a timepiece
IPC: G04D3/00
Filed: 1982-05-05
Abstract: A method of making aluminium hands for timepieces comprises annealing an aluminium hand member 2 at 160-200 DEG C for 20-60 minutes, forcing the flange 3a of a (brass) bush 3 into the lower surface of a seat portion of the hand member, forming a protrusion 6 on the upper surface of the seat portion of the hand member, shaping the upper surface of the hand member by pressing, and finishing the the protrusion on the upper surface of the seat portion by machining using a diamond cutting tool. As illustrated the bush 3 is staked in the band member 2 by tools 4, 5 prior to annealing. A pressing step using dies 8, 9 forces the flange 3a into the member 2 and simultaneously forms the protrusion 6. After machining the hand is coated with gold. <IMAGE>
Patent GB-2120724-A (GB)
Title: Air/fuel mixing device for an i.c. engine with exhaust heated vaporiser
Inventor: SIMONDS EDWARD LEE
IPC: F02M31/18
Filed: 1982-05-14
Abstract: Spool 54 can be rotated to vary the freeflow cross-sectional area of the corresponding holes 44, 48 of the housing and 64 and 66 of the spool. Air enters the spool chamber through cowling 20, having air door vane 90, where it mixes with fuel vapor issuing from nozzle 52; the mixture enters the intake manifold through hole 48. Fuel is injected through injector 80 into exhaust gas heated chamber 76, and vapour exits through nozzle 52. Glow plug 150 is provided for cold starting. Air may be bled to chamber 76 via duct 73, 75, 77. The angular position of the spool, air door vane and the temperatures of the engine block and fuel are monitored to provide input signals to a fuel injection control circuit (114, Fig. 7). <IMAGE>
Patent GB-2124657-A (GB)
Title: Improvements in sintering
Inventor: CHADWICK GEOFFREY ALLAN
IPC: B22F3/12
Filed: 1982-06-18
Abstract: The volume change of a powder compact during sintering is controlled by Vp, the internal microporosity of a "green" compact prior to sintering. The value of Vp which, under given conditions of time, temperature and powder composition, gives the required volume change during sintering, is used to calculate the microscopic compaction the powder must undergo when the "green" compact is formed.
Patent GB-2109259-A (GB)
Title: Vacuum belt filter
Inventor: PIERSON HENRI GERHARD WILLEM
IPC: B01D29/09
Filed: 1982-07-22
Abstract: In order to progress belt 10 in stepwise manner without the need for a heavy tensioning roller towards the end of return run 19, ram 58 is displaced to the left thereby moving first stepping roll 55 to its dotted line position and extenting bight 59 to draw the forward end of upper run 13 into said bight 59. Movement in the opposite direction of belt 10 is prevented by a unidirectional devices, e.g. pawl and ratchet mechanisms (not shown), on rollers 53, 54. Simultaneously, second stepping roll 56 is moved to its dotted line position to correspondingly reduce the extent of bight 60, thereby permitting part of return run 19 of belt 10 to move back into upper run 13. Subsequently, ram 58 is displaced to the right to return rolls 55 and 56 to their initial positions, reduce bight 59 and extend bight 60. <IMAGE>
Patent GB-2129862-A (GB)
Title: Means for suspending containers
Inventor: VAN ZANDT JOHN MARGUA
IPC: B65D51/24
Filed: 1982-11-09
Abstract: Means for suspending a container such as a bottle of nail polish 50 having a removable cap 52 from a display bar includes a sheath portion 22 which is attached to and encircles the cap, and which also defines a bore 30 above the cap, and a hanger portion 36 attached via the bore to allow rotatable suspension of the sheath and bottle from the display bar, a portion 34 of the hanger being cut away for positioning over the bar. An oval disc 42 of the same colour as the nail polish in the bottle may be attached to the hanger. The sheath may also extend vertically downwards along the bottle to expose only the contents in the bottom thereof. The hanger portion may be made to engage the sheath portion by urging the thread 28 of cylindrical member 24 past the bore 30 - alternatively, the hanger portion may be provided at its lower end with a post carrying outwardly biased arms, again for urging past the bore. The hanger and sheath portions may be of plastics or metal. <IMAGE>
Patent GB-2115887-A (GB)
Title: Liquid fuel injection pumping apparatus
Inventor: JARRETT BOAZ ANTONY
IPC: F02M41/14
Filed: 1983-01-26
Abstract: A liquid fuel injection pumping apparatus has a rotary and axially movable distributor member 12 provided with bores 13 locating pumping plungers 14. Fuel can be supplied to the bores to effect outward movement and inward movement is effected by cam lobes on a cam ring 29. The extent of outward movement of the plungers is controlled by stop surfaces defined on cam followers 25, 26 which can co- operate with an inlined surface 22 on a part rotatable with the distributor member. The outward movement of one plunger while fuel is supplied to the bores can be limited or prevented by an adjustable stop member 34 having a stop surface engageable with the cam follower of that plunger. The stop surface declines in the direction of rotation of the distributor member whereby the one plunger can move outwardly while the other plunger or plungers move inwardly under the action of the leading flanks of the cam lobes. <IMAGE>
Patent GB-2135080-A (GB)
Title: Motor vehicle
Inventor: CUTTS BRIAN JOHN
IPC: B60S1/58
Filed: 1983-01-28
Abstract: There is connected with a switch 12 for controlling a rear window heating element in a motor vehicle a timer 14 and a warning device 15 which provides a warning signal to the driver, when the heating element has been energised for a predetermined period. <IMAGE>
Patent GB-2130810-A (GB)
Title: Permanent magnet rotary dynamo electric machine
Inventor: WEST JOHN GODFREY WILSON
IPC: H02K1/17
Filed: 1983-11-11
Abstract: A permanent magnet rotary dynamo electric machine wherein each permanent magnet pole (13) is equipped with a flux shunt (18) which provides a direct flux path between the airgap at the strong tip region of the pole and the iron circuit (12) upon which the pole is supported, the direct flux path shunting magnetic flux to the iron circuit when the current in the associated winding is low, but being saturated by flux flowing in the opposite direction at high values of winding current. <IMAGE>
Patent GB-2153419-A (GB)
Title: Door or window frame member
Inventor: WHITE COLIN MARTIN
IPC: E06B3/22
Filed: 1984-01-25
Abstract: A frame member for a window or door, comprising a metal element 10 of, eg, extruded aluminium alloy, at least partially enclosed in an extruded plastics material 14. A cavity 15, which may be occupied by a foamed plastics material, may be defined between the metal and plastics elements. <IMAGE>
Patent GB-2137494-A (GB)
Title: Sodium bicarbonate-containing tooth powder
Inventor: WINSTON ANTHONY
IPC: A61K8/00
Filed: 1984-03-06
Abstract: A tooth powder comprising at least about 50% by weight of sodium bicarbonate particles, wherein said sodium bicarbonate particles have a median particle size of between about 74 and about 210 microns. Flavoring, sweetening, and fluoridating agents may be included in the tooth powder.
Patent GB-2151971-A (GB)
Title: Two stage injection moulding of brushes
Inventor: SCHAD ROBERT DIETRICH
IPC: B29K9/00
Filed: 1984-03-20
Abstract: A composite brush having a set of bristles 44 of a flexible modified rubber and a handle 28 of a rigid and more rapidly hardening plastics material, e.g. polyethylene or polystyrene is produced by injection molding. The handle 28 is produced in a first mold cavity (54), Fig. 1 (not shown), and is used as a boundary of another mold cavity 55a in which the bristles 44 are formed along with a backing layer 43 fused on to the handle 28. The separation of the mold portions 20'' and 27 defining the latter cavity 55a proceeds slowly in an initial phase and rapidly in a terminal phase of an opening stroke to protect the moulded bristles 44. <IMAGE>
Patent GB-2157897-A (GB)
Title: An electricity generating apparatus
Inventor: KEMP MICHAEL BRIAN
IPC: H02K7/09
Filed: 1984-04-24
Abstract: An electricity generating apparatus comprises a generator shaft (5) on which is mounted a magnet (10) disposed for rotation in a coil (11) for electricity generation. A first magnet (6) is fixed to the generator shaft (5) and a second magnet (7) is fixed to a housing (not shown) in which the shaft (5) rotates. Motors (1, 2) are disposed to drive the shaft for rotation about an axis (A), the disposition of each drive shaft head (8) and co- operating portion (9) of the generator shaft (5) being such that torque may be transferred from the motors (1, 2) to the shaft (5) while axial movement is permitted. <IMAGE>
Patent GB-2140961-A (GB)
Title: Data store for a microcomputer system
Inventor: CARDER TONY CHARLES
IPC: G11B25/06
Filed: 1984-05-21
Abstract: A non-volatile, on-line, mass data store is provided that is based on the use of magnetic tape loops 3 housed in magazines 1 readily inserted and removed from an associated tape transport. In order to facilitate the construction of the magazine 1, the latter is provided with only one moving part, namely a backing roller 11 against which the tape is pressed by a rotary drive member 19 of the tape transport during operation of the latter. The rotary drive member 19 is mounted on a solenoid-actuated carriage 21 which is moved between inoperative and operative positions by a solenoid 23. Data is written to, and read from, the tape loop 3 in byte-wide form by a multitrack read/write head 17 that also lays down a taming track on the tape 3. <IMAGE>
Patent GB-2143225-A (GB)
Title: Catalytic claus process for the oxidation of hydrogen sulphide to elemental sulphur and/or sulphur dioxide
Inventor: GROENENDAAL WILLEM
IPC: B01J21/06
Filed: 1984-07-02
Abstract: Process for the oxidation of H2S to sulphur and/or SO2 by contacting an H2S-containing gas in the presence of free oxygen with a catalyst comprising at least one metal from Group 3b and/or 4b supported on a silica-containing carrier.
Patent GB-2146738-A (GB)
Title: Centrifuge provided with rotor alignment means
Inventor: HOARE GORDON HAROLD
IPC: B04B9/08
Filed: 1984-09-17
Abstract: A centrifuge provided with rotor alignment means includes a drive shaft (1) including a drive head (3), a rotor (2) including a lower rotor insert (13) mountable on the shaft (1) and means (11, 15) for transmitting drive from the shaft (1) to the rotor (2). The rotor alignment means comprises first (6) and second (9) alignment surfaces provided on the shaft (1) and complementary first (19) and second (17) surfaces provided on the rotor, the first alignment surfaces (6, 19) being axially separated from the second alignment surfaces (9, 17) with respect to the longitudinal axis of the shaft (1). The surfaces (6, 9) on the shaft are positioned to sequentially engage the complementary surfaces (19, 17) on the rotor (2) to align the rotor (2) axially on the shaft (1) upon mounting the rotor (2) on the shaft (1). <IMAGE>
Patent GB-2157033-A (GB)
Title: Control device for computer
Inventor: MEAKIN MICHAEL
IPC: G06F1/04
Filed: 1984-09-22
Abstract: A control device 6 for a computer 1 has circuitry which is controlled by a button 10 to cause the computer 1 to operate in slow motion. The speed at which the computer 1 operates may be controlled by a rotary control 11. Further circuitry controlled by a button 7 causes the operation of the computer 1 to be frozen. Further circuitry controlled by buttons 8 and 9 cause an associated V.D.U. 2 of the computer 1 to be advanced frame-by-frame. The device 6 may be used as a programming and/or debugging aid, and may find particular application with computer games. The device may be in a hand-held unit, or built into an integral keyboard of the computer. <IMAGE>
Patent GB-2165885-A (GB)
Title: I c engine variable valve timing mechanism
Inventor: ATKIN GRAHAM ERNEST
IPC: F01L1/34
Filed: 1984-10-20
Abstract: The camshafts 2, 3 are driven by means of a shaft 1 which extends through the hollow shafts and can be moved by means of a bearing 11 in a translational sense with respect to the axes of rotation to the cams. The shaft 1 has lateral projections 8 which couple to the cam lobes. When the shaft is moved in the direction of arrows 11 or 12 the eccentricity of the drive to the cams is varied and the valve timing is altered. <IMAGE>