baber/WOPTO huggingface dataset:
Patent GB-2038417-A (GB)
Title: Fluid Control Valve and Ram Containing Same
IPC: F15B13/042
Filed: 1978-12-30
Abstract: A valve especially for controlling the flow of fluid to and from a ram cylinder 10 comprises a housing 13 having a tubular valve member 14 mounted therein and arranged to have a limited axial movement, the bore of the tubular valve member being in communication with a main port 23 in the housing and being selectively connectible to an exhaust port 17 and an inlet port 16. Movement of the member 14 from the limit position to the other is effected by selective pressurisation of chambers 19, 20 on opposite sides of a piston 15 on the outside of the tubular member. A valve may be mounted at each end of a ram, the valve member thereof being arranged so that at one end the bore of that tubular member communicates with the exhaust port and at the other end the bore of the other tubular member communicates with the inlet port. A signal applied to both valve members simultaneously will cause them to change the direction of the ram. <IMAGE>
Patent GB-2013143-A (GB)
Title: Run-Flat Tire and Wheel Assembly
IPC: B60C17/02
Filed: 1979-01-23
Abstract: A pneumatic tire and wheel assembly contains within the tire cavity an insert for supporting the tire when deflated comprising cellular elastomeric material 20 of substantially closed-cell construction in which is incorporated at least one percent by weight of a fluid which at atmospheric pressure is vaporizable in the temperature range between 29 DEG C and 135 DEG C. The heat generated in deflated running of the tire causes the fluid to vaporize to expand the material 20. In the assembly of Figure 1 the material 20 is free to expand to fill the tire cavity on deflated running. Alternatively the cellular material may be confined in an envelope, which may be inflatable, and a lubricant may be provided to act between the envelope and the interior surface of the tire crown in deflated running. <IMAGE>
Patent GB-2014826-A (GB)
Title: Telephone intruder alarm system
IPC: H04M1/68
Filed: 1979-02-20
Abstract: A compact telephone intruder alarm system is operative for indicating to a current on-line user 20 of a primary extension telephone which is already interconnected with the telephone line of the subsequent interconnection and disconnection of another auxiliary extension telephone eg 16, 18 with the same telephone line. Electrical OFF- and ON-hook signals are respectively generated each time an extension telephone is interconnected or disconnected with the telephone line, and each such hook signal is successively detected and electrically amplified before being conducted to a light-emitting diode 40. The first detected OFF-hook signal indicates the start of the interconnection of the auxiliary extension telephone, and the second detected ON-hook signal indicates the duration and the end of the intruder presence on the telephone line. All electrical components are of miniature size and in one embodiment, Figs. 2, 3 (not shown) are mounted within the handset to simplify and to make installation less discernible. The light-emitting diode is readily viewable during conversation because it is mounted directly on the handset and instantly conveys the instrusion to the user. In another embodiment, Figs. 5-8 (not shown), the electrical components are mounted remotely from the handset. <IMAGE>
Patent GB-2051473-A (GB)
Title: Improvements in or relating to light emitting diodes
IPC: G02B6/42
Filed: 1979-06-19
Abstract: In order to increase the transmission of radiation generated inside an L.E.D. 10 into an optical fibre 26, the radition is focussed so that most of it emanates from the centre of the L.E.D. This is achieved by forming a substantially square shaped portion 14 on the diode chip, or alternatively the whole of the diode chip can have a square shape, and forming a v-groove 24 which runs approximately diagonally across the square shape, the sides of the groove being at about 45 DEG  to the plane of the chip. The sides of the square shape reflect incident radiation travelling along the active plane 12 towards the centre of the square shape, and the sides of the groove 24 then reflect the radiation substantially perpendicularly to the plane of the diode chip. <IMAGE>
Patent GB-2054949-A (GB)
Title: Cooling arrangement for laser diode
IPC: H01S5/024
Filed: 1979-07-26
Abstract: A laser diode cooling circuit utilises a thermoelectric cooling arrangement TC in series connection with the laser diode LD. A monitor and feedback controlling modulator circuit which includes a monitor photo-diode MP and a transistor amplifier TR2 controls the output of the laser diode. Power which otherwise would have been dissipated as heat in the circuit is used to drive the cooler TC. Therefore the laser diode LD, so cooled, can be operated at higher ambient temperatures than previously possible. The circuit is also useful when electrical power supplies and thermal heat dissipation capabilities are restricted. <IMAGE>
Patent GB-2027516-A (GB)
Title: Energy-absorbing assembly
IPC: B60R19/18
Filed: 1979-08-01
Abstract: An energy-absorbing assembly 10 employed particularly as a vehicle bumper includes a compressible energy- absorbing material 22 (such as foamed polyurethane) supported on a beam 12. A sheet of flexible, material 24 is attached to the beam at spaced positions 26 and envelops the energy- absorbing material 22 (when viewed in cross-section) so that a portion of the sheet upon impact can be placed in tension between the impact position 30 and at least one of the spaced positions of attachment 26 to compress and dissipate energy throughout the energy- absorbing material 22. The compressible energy-absorbing material may comprise two blocks 22 spaced on the beam 12 and enveloped by flexible sheets 24 attached to the top and bottom of the beam 12. The sheet 24 may alternatively be attached to the ends of the beam 12. <IMAGE>
Patent GB-2029882-A (GB)
Title: Secondary glazing comprising plastic film
IPC: E06B3/28
Filed: 1979-08-29
Abstract: The marginal edge of plastic film 17 is held and gripped by a resilient retaining strip 18 in a channel 11 extending around a frame formed from frame members 10. Frame members 10 may be connected together by corner cleats 13, providing continuous channel 11 around the frame, and mullion and transom elements 19, 26 can be mounted on the frame. The secondary glazing can be applied to a sliding system with the transom elements 19 being received within upper and lower rails or slideways 30, 31. The secondary glazing is especially arranged to provide a kit of parts which can easily be assembled or disassembled and cover a wide range of glazing areas by simply cutting the frame members to size. <IMAGE>
Patent GB-2050823-A (GB)
Title: Castor for chairs and the like
IPC: B60B33/00
Filed: 1979-10-04
Abstract: A pirouetting or pivoting wheel structure (castor), particularly for chairs and the like, comprises a supporting element on the outside whereof a recess or cavity is formed for rotatably engaging a vertical pin extending from the lower end of a chair and the like. The structure comprises a central body downwardly extending from said supporting element and at the free end of which a cradle seat is formed within which is engageable a cross pin. At the free ends of the cross pin are rotatably supported two wheels, each provided with a flanged collar, effective to be housed in seats adjoining said cradle seat in order to prevent said wheels from moving with respect to said pin. <IMAGE>
Patent GB-2038439-A (GB)
Title: Clutch release mechanism
IPC: F16D13/75
Filed: 1979-11-05
Abstract: A clutch release mechanism for use in a motor vehicle and which includes an adjusting mechanism to compensate for clutch wear and changes in cable length comprises a rod (18) slideable in an aperture (19) in a plate (20), but lockable to the plate when the plate is tipped by a clutch pedal (11) acting against the bias of a spring (22). Upon return of the clutch pedal (11), plate (20) is realigned by an abutment (21) in conjunction with spring (22) to unlock the rod and plate and allow adjustment of their relative positions. <IMAGE>
Patent GB-2048201-A (GB)
Title: Rope hoist
IPC: B66D1/38
Filed: 1980-02-06
Abstract: A reduction in the overall dimensions and particularly in the axial length of an electric rope hoist is obtained by rotatably mounting the winding drum 1 in annular end supports 3, 4 and housing in the drum an electric motor having a tubular casing 2, which is mounted at one end on one of the end supports 3, and projects cantilever-fashion into the drum. The rotor/stator assembly 10, 11, in the casing 2, includes a pair of opposed shaft portions 7A, 7B, the one at the free end of the casing being drivingly connected through gearing 20, 21, 22, 24, to the adjacent end of the drum and the one at the mounted end of the casing being associated with electrically operable braking means 12, 13, including a brake actuator 17, disposed wholly within the casing. With the motor and the braking means including the braking actuator telescoped wholly within the drum the overall size of the hoist can be substantially reduced. <IMAGE>
Patent GB-2050294-A (GB)
Title: Safe load indicator
IPC: B66C23/90
Filed: 1980-05-08
Abstract: A crane has a data processing system which by means of a microprocessor calculates mathematically the actual jib radius (R1) from inputs corresponding to jib head angle elevation ( theta 1), jib base elevation ( theta 0) and jib length from head (9) to base (8). The system provides digital data which can be fed to a display (10) and which can actuate alarms on reading a safe load stored in a load table in a microcomputer of which the microprocessor forms a part. The digital data can also control motion cut-offs, automatic luffing and automatic stowage. A dynamometer (30) is also included which can measure crane hoist loads, speed and direction. <IMAGE>
Patent GB-2077447-A (GB)
Title: Camera frame counter
IPC: G03B17/36
Filed: 1980-05-29
Abstract: A frame counter for counting 72 exposures (for use with the new 72 exposure "Autowinder" cassettes). Comprises two numbered discs, the top one numbered 1 to 35, the bottom one numbered 36 to 72, and the top one having an aperture between numbers 35 and 1 through which the bottom numbers can be seen. Both discs are angularly displaced in unison after each frame exposure (with the aperture above number 36) until this aperture is reached. Thereafter the top disc is prevented from being angularly displaced whilst the bottom disc alone is angularly displaced and the number of frames exposed can be seen through the aperture on the top disc. As shown, top disc 4 having top stop pin 6, bottom stop pin 7 and ratchet teeth 5 and bottom disc 8 having top stop pin 10, bottom hair spring 11 and ratchet teeth 9 are advanced together by the action of drive pawl 22 on the ratchetteeth until elongated tooth 5a is reached when disc 4 remains stationary, disc 8 continuing rotation until elongated tooth 9a is reached. On opening the camera back, pawl 22 (and also back stop pawl 14) is removed from the teeth, allowing the discs to return under the spring bias of spring 11 to their original positions against a fixed stop 24. <IMAGE>
Patent GB-2078091-A (GB)
Title: Abrasive gloves and the like
IPC: A47L13/18
Filed: 1980-06-03
Abstract: An abrasive cover, for wearing on the hand during manual operations of sandpapering and the like, has a flexible enclosure to receive all or part of the hand, and abrasive material such as emery or sand paper on the exterior of the enclosure. The abrasive may be in relatively large areas, e.g. over the whole of the hand, on one or both sides, or only over the palm and fngers, and the areas may consist of island sites of abrasive material to retain flexibility. A preferred form is a mitten which is made reversible for wearing on either hand. In another form, the enclosure is of the nature of a finger-stall which may have strips of abrasive material on one or two opposed surfaces, and which may be rotatable about the finger for presenting a fresh abrasive surface. The abrasive and its support are advantageously of wet-and-dry nature. Convenient materials for the enclosure are paper, sheet plastics, and sheet fabric.
Patent GB-2053147-A (GB)
Title: Travelling attachment for ring supported lift crane
IPC: B66C23/42
Filed: 1980-06-23
Abstract: A travelling attachment (45) including a pair of crawler assemblies (46, 47) and frame elements (48, 51, 52) is provided for interconnection to the ring (15) of a ring supported crane (10) so the crane can travel under load. The crawler assemblies (46, 47) are shown pivotally mounted to reinforced end portions (53, 54) of the frame (48) by yoke elements (55, 56) and vertical pivot posts (57, 58) and provided with hydraulic cylinders (61, 62) interconnecting the frame end portions (53, 54) and the crawler assemblies (46, 47) to permit turning the assemblies and facilitate moving the crane under load about a curved path. The crawlers (46, 47) may be selectively and reversibly powered by means of hydraulic motors (65, 66). <IMAGE>
Patent GB-2054703-A (GB)
Title: Improvements in or relating to earth-boring apparatus for taking soil samples
IPC: E21B25/06
Filed: 1980-07-03
Abstract: A rotatable drill tube is connected via a hollow shaft 19 and a transmission to a laterally arranged driving motor. The drill tube coupled to the hollow shaft 19 contains an upwardly withdrawable linkage 37 with a sleeve-like probe 36 which is borne on a shoulder 34 of the drill tube and which receives a plastics material sleeve e.g. 5 or 35 open at both ends and acting as sample containers. It is thus possible to take samples by charges without uncoupling the motor or lifting the drill tube. The plastics material sleeve 5, 35 comprises a thin-gauge foil which, after withdrawal, is closed off by means of attachable caps 8. The empty thin-gauge sleeve may be pressed more or less flat for storage and carriage purposes; for this purpose, it is appropriately pre-folded along numerous generatrixes 6. Telescopic drill tubes which may be coupled to the motor 23 consecutively allow of sample taking down to several metres of drilling depth. <IMAGE>
Patent GB-2085215-A (GB)
Title: An application technique for the decontamination of nuclear reactors
IPC: C02F5/08
Filed: 1980-08-11
Abstract: A method of applying a descaling reagent comprising a one-electron reducing agent which is a low oxidation state transition metal ion in combination with a complexing agent to a surface to be treated to descale the surface which method comprises: (i) maintaining a low oxidation state transition metal ion either in solution under an inert atmosphere in a container made of or lined with an inert material or as a solid salt under an inert atmosphere; (ii) preparing a solution of the complexing agent and removing oxygen therefrom; and (iii) mixing the ingredients from steps (i) and (ii) either in situ in contact with the surface to be treated, or mixing the ingredients from steps (i) and (ii) prior to application to the surface to be treated under conditions whereby no substantial decomposition of the so-formed reagent occurs.
Patent GB-2058533-A (GB)
Title: Spreader
IPC: A01C17/00
Filed: 1980-09-03
Abstract: A spreader, for example for agricultural fertilizers, comprises a distributing member (10). Measuring means (16) are provided for providing an indication of the height of the distributing member (10) above the ground, and of its orientation, so that these parameters can be set accurately to obtain a desired spreading distance. The measuring means may include detectors 69 which are sensitive to impingement of the material discharged to establish the direction of discharge of the material. <IMAGE>
Patent GB-2067611-A (GB)
Title: Secondary backing for tufted carpets
IPC: D04H3/011
Filed: 1981-01-16
Abstract: A non-woven fabric comprising filaments of a polyester or copolyester, in which the filaments have been deposited individually or in groups such that there are parallel and intersecting filaments, and in which the coefficient of variation of the filament or filament group separation is at least 100%. This fabric can be used as a secondary backing for a tufted carpet. <IMAGE>
Patent GB-2092976-A (GB)
Title: Turning billets during conveyance
IPC: B65G47/252
Filed: 1981-01-27
Abstract: A turnover dog for turning over a billet (13) moved along a moving beam conveyor (12, 14) is freely pivoted on a pin (27) located below the level of the conveyor and is gravity biased into a position in which a rebate (30) is disposed to receive an on-coming billet. When a billet is located in the recess, further movement of the former results in tilting of the dog and turning over of the billet on to a new face. The pin (27) is so positioned that, during the turning movement, the billet is not lifted off the conveyor but is merely turned about one corner. <IMAGE>
Patent GB-2098584-A (GB)
Title: Laundry caddy
IPC: D06F95/00
Filed: 1981-02-03
Abstract: A device for supporting a bowl containing washing on a clothes line comprises two curved portions for defining a circular support to embrace a bowl of a chosen diameter, side arms, a top bar and a bracket bearing a trolley wheel for engagement with the line. <IMAGE>
Patent GB-2093946-A (GB)
Title: Monitoring shock absorbers
IPC: F16F9/32
Filed: 1981-02-26
Abstract: A method of and apparatus for monitoring the in-service performance of a fluid shock absorber. The shock absorber incorporates transducers for generating electrical signals representative of the fluid pressure and the sprung mass/unsprung mass velocity respectively. A circuit (Fig. 3). has peak detectors 22, 25 to ascertain peaks in the two signals which are compared in a differential amplifier 26 the output of which is compared in comparator 28 with a reference value. if the amplifier output exceeds the reference value the shock absorber is deemed to be faulty in operation and an indication of this condition is given. <IMAGE>
Patent GB-2075740-A (GB)
Title: Record disc identification
IPC: G11B23/36
Filed: 1981-04-16
Abstract: A video or other disc record (1) suitable for use with a video disc player apparatus is provided with an identification of the program material stored (5) on the surface of the record. The identification is formed in a machine readable format which comprises grooved (9) and ungrooved (11) portions (or high and low groove density portions) in an identification region at the centre of the record. A readout apparatus, Figure 6 (not shown) comprises a light beam which is arranged to scan the identification region and a detector which is arranged to sense the light beam reflected from the disc record surface. Light striking an ungrooved or low groove density section is reflected in a substantially specular direction while light striking a relatively high groove density section is substantially scattered out of the specular direction. The detector is arranged to collect the light reflected into the specular director. The identification is used to match the record to its protective sleeve, which also carries an identification in the form of a bar-code. The grooves are cut in the disc master during the mastering process. <IMAGE>
Patent GB-2098135-A (GB)
Title: A nib replaceable writing instrument
IPC: B43K8/04
Filed: 1981-05-11
Abstract: A writing instrument comprises a pen nib removable from a pen holder, and at least one same spare unit stored inside the pen holder so that an immediate replacement is possible when the pen nib in use is worn out or broken. <IMAGE>
Patent GB-2103001-A (GB)
Title: Illuminated displays
Inventor: BOSS IAN
IPC: G09F13/28
Filed: 1981-05-22
Abstract: An elongate structural element 20 of an illuminated display comprises an electrical inlet 22 in the region of one end, light source means 24 energised from said inlet, and an electrical outlet 26 in the region of the other end suitable for connection to further light source means to energise the same. A string of series-connected light sources 32 may be connected across two conductors 28, 30. Inlets and outlets of different elements 20 may be interconnected by harnesses 50. A tubular member 38 housing the light source means 24 may be straight or curved and of transparent or translucent material. The ends of the elements 20 may be mechanically interconnected by node elements 54, the connecting means 60 of which may have respective axes 64 not all lying in the same plane. There may be, marketed a set comprising elongate elements 20, node elements 54 and a selection of harnesses 50. <IMAGE>
Patent GB-2096936-A (GB)
Title: A gulley cover opening tool
IPC: B66F19/00
Filed: 1981-05-27
Abstract: A tool for opening the covers of roadside gulleys which can become wedged into their frames and be difficult to remove, comprises a shaft (11) of substantial strong material, such as steel bar, having a first lateral projection (13) in the form of a U- shape or T-shape hook formed at one end and a second lateral projection (14) in the form of a flat plate welded to the shaft (11) at a distance from the U-shape hook (13). In use the tool is inserted through a slot in a gulley cover (17) the tool turned through a small angle to engage the first lateral projection (13) against the under- surface of the gulley cover on one side of the slot and the second lateral projection (14) on the upper surface of the gulley cover on the other side of the slot, following which the shaft is pulled sideways from the upper end turning it about a fulcrum between the lower edge of the second lateral projection (14) and the upper face of the gulley cover (17) to apply a substantial force to the gulley cover to cause this to turn and thereby open. <IMAGE>
Patent GB-2085943-A (GB)
Title: Soil erosion prevention blocks
IPC: E02B3/14
Filed: 1980-05-27
Abstract: Device for use in controlling soil erosion comprising a matrix of cellular concrete blocks (10), having foliage growth passageways (20, 32) therethrough and held together by a series or system of cables (44) or the like passing through internal passageway (22) within each block. The cables are anchored into the ground to retain the blocks in position.
Patent GB-2109836-A (GB)
Title: Building method
Inventor: GLASSBROOK ALLAN
IPC: E04B1/24
Filed: 1981-11-20
Abstract: A building (10) is constructed by erecting on a base (11) several upright support members (12) to which at each floor level and the roof level frame members (13) are clamped. Wall panels are erected between the support members (12). The frame members (13) comprise upwardly facing channels (23) in which floor or roof attachment beams (20) are laid, the floor (21) or roof (14) structures being secured to the beams (20). During construction walkways (15) and walkway covers (17) are secured to the support members (12) by arms (16) clamped theretor so as to be height adjustable. The clamps (19) comprise two clamp elements secured to each other with a support member (12) therebetween, and the frame members (13) extend through slots (28, 30) in the clamp elements.
Patent GB-2090354-A (GB)
Title: Wheel brake for an overrun-braked trailer
IPC: B60T7/20
Filed: 1981-11-26
Abstract: The brake comprises two force-transmittingly intercoupled floatingly - mounted relatively adjustable brake shoes (1, 2) and spreading means (3, 4, 6) for spreading the shoes (1, 2) apart. The spreading means comprises a pivotable actuating arm (3) operable by a cable (12) and co-operable with a fixed abutment (5) and connected to a secondary one (2) of the shoes by way of a pivot lever (4), and a thrust element (6) connected between the arm (3) and a primary one (1) of the shoes. In Fig 1 the lever (4) is pivotally mounted to fixed abutment (5) at point (10) - in Fig 1 it bears against the abutment (5). During forward travel (V) the brake comes fully into action. On actuation of the brake in reverse travel (R) the pivot lever (4) is rotated, through rotational movement of the intercoupled brake shoes (1, 2), so that pivot point (9) deflects, whereby the primary shoes (1) moves towards the abutment (5) and thus the cable (12) is relaxed. <IMAGE>