baber/WOPTO huggingface dataset:
Patent GB-556008-A (GB)
Title: Improvements in or relating to agricultural tool bars
IPC: A01B63/02
Filed: 1942-03-12
Abstract: 556,008. Agricultural implements. STANHAY, Ltd., and GOLDUP, C. E. March 12,1942, No. 3278. [Class 6(i)] A tool-bar a is connected to a support e through a parallel-motion linkage c, d. A spring l connecting the links c, d tends to lift the tool-bar which is held down by a toggle g, h. operated by a lever i, or by pneumatic or other power means. One of the links g, h is slotted, the lost motion permitting the tools to conform to ground inequalities.
Patent GB-1216199-A (GB)
Title: Hair dryness indicator
IPC: G01N25/56
Filed: 1968-01-22
Abstract: 1,216,199. Temperature indicators. SUNBEAM CORP. Jan.22, 1968 [June 9, 1967], No.3354/68. Heading G1D. A hair dryness indicator comprises a member 10 having a plurality of integral comb-like teeth 14 formed thereon so that the indicator may be retained in a user's hair, the member 10 having a recess 15 containing a snap acting bi-metallic disc 12 which gives an audible and a tactile indication when the hair is dry, and a closure member 11 for the recess 15. The members 10, 11 are preferably of plastics material and are provided with lugs 16, 17 to loosely retain the disc 12 in the recess 15. The indicator is intended for use with a hair dryer and is inserted in the hair with vent openings 19 in the member 10 towards the user's scalp. When the hair is dry a sudden increase in temperature of the hair occurs, and this causes the disc 12 to snap over giving an indication which is both audible and may be felt by the user.
Patent GB-781271-A (GB)
Title: Improvements in or relating to the stiffening of shoe uppers
IPC: A43B23/16
Filed: 1954-01-22
Abstract: 781,271. Shoe stiffeners. BRITISH UNITED SHOE MACHINERY CO., Ltd. Jan. 22, 1954 [Nov. 16, 1953], No. 3363/57. Divided out of 781,270. Drawings to Specification. Class 17(2) A shoe toe or counter stiffener comprises a saturable fibrous material such as carded felt, napped or unnapped woven textiles. or paper impregnated with an uncured sulphur-vulcanizable natural or synthetic rubber and inert filling particles, and is coated with a layer of active rubber type cement embodying a migratory roomtemperature accelerator adapted to vulcanize the rubber of the impregnant. In a preferred example, a flannel base material is impregnated first with a saturant having a crude natural rubber and then with a saturant having a synthetic butadiene, both saturants including sulphur. Uncured blanks so formed have less tendency to stick together than when natural rubber saturants only are used. The blank so made is stuck by a latex cement including an accelerator to a shoe upper part and the other face and part of the upper is then coated with a naptha-rubber cement also including an accelerator and the shoe lining is thus stuck in position. The two cements effect complete vulcanization of the saturant after a considerable time, during which the stiffener remains limp to allow the shoe to be lasted to shape. Tn some cases either saturant or cement may be used alone.
Patent GB-813395-A (GB)
Title: Seed planter
IPC: A01C7/06
Filed: 1956-02-02
Abstract: 813,395. Seed sowing machines. WALSH, P. Feb. 2, 1956 [Feb. 5, 1955], No. 3377/56. Class 6(1). A machine for broadcasting seeds comprises tines 27 for tilling the ground, tines 29 which reciprocate laterally for cross-tilling the ground, dispensing means for broadcasting seed and tines 25 for covering the seed. As shown landwheels 22 are mounted on an inner frame which carries a seed hopper 20 and the tines 27, 29 and which is pivoted to an outer frame 39 on which are mounted the tines 25. The seed dispensing means comprises paddle wheels mounted on a horizontal shaft and driven from the landwheels which feed seed through adjustable openings formed by two shutters. The tines 29 are reciprocated by a crank mechanism driven from the landwheels. The rear tines 25 are mounted in two frames each pivoted centrally on a longitudinal axis. The outer frame is raised as shown in Fig. 6 by two hydraulic cylinders and at the same time the tines 27 and 29 are rotated about their shafts to lie clear of the ground, the drive to the paddle wheels and tines 29 is declutched and one of the shutters is moved to close the seed openings. A hinged loading platform 32 is provided.
Patent GB-1151494-A (GB)
Title: Thermally-Responsive Fluid-Control Valves
Inventor: HORNE ALEXANDER DEWAR
IPC: G05D23/13
Filed: 1966-01-25
Abstract: 1,151,494. Valves. HORNE ENG. CO. Ltd. 8 Sept., 1966 [25 Jan., 1966], No. 3400/66. Heading F2V. A thermally responsive valve which controls the flow of water into either a calorifier or a bypass therearound has the shuttle-type movable closure-member 4 urged on to a seat 31 by a spring when the water in the calorifier is cold so opening a hot-water inlet 45 to the calorifier via an outlet 46. An abutment 36 is adjusted in dependence upon the temperature at which the water is to be maintained; as the water temperature rises expansion of the polythene rod of a thermally-responsive unit 41 against a spring extends an element 24 through the closure member 4 until it contacts the abutment 36. Any further rise in water temperature causes the rod to expand inwards against a spring to move the closure member 4 off of seat 31 and towards or on to a seat 32 whereby the inlet 45 is connected in part or wholly to another outlet 47 leading to the bypass. The outlet 47 may be angularly rotated to any radial position after slackening a body part 6. Removal of the latter enables the entire thermal unit 41 to be withdrawn. A cap 11 covers the protruding end of the abutment 36 and is locked by a pin 12 having a sealing wire.
Patent GB-451586-A (GB)
Title: Improvements in and relating to speed indicators for vehicles
IPC: G01P1/08
Filed: 1935-02-02
Abstract: 451,586. Speed indicators. ROBINSON, M., 27, Croydon Road, Waddon, Surrey. Feb. 2, 1935, No. 3438. [Class 106 (iii)] A speedometer casing a having a plurality of dials a<1>, a2, a3 is mounted on a vehicle so as to be visible to pedestrians, the pointers c<1>, c<2>, c<3> being positively moved in both directions by cables g<1>, g<2>, g3, k<1>, k<2>, k<3> connected to a drum f driven by a known type of speed indicating device e. A coiled spring assists the return movement of the drum f. Each dial may bear the registered number of the vehicle, which thus appears together with the speed in a photograph of the dial. Reference has been directed by the Comptroller to Specification 18015/06, [Class 106].
Patent GB-797707-A (GB)
Title: A method and an apparatus for ascertaining the load carrying capacity of telescopic components of mine roof supporting structures
IPC: E21D15/46
Filed: 1956-02-03
Abstract: 797,707. Testing pit props. DEUTSCHE KOHLENBERGBAU-LEITUNG. Feb. 3, 1956 [March 10, 1955; July 9, 1955], No. 3449/56. Class 20(2) The load carrying capacity of a telescopic mine roof support such as a pit prop is ascertained by applying pressure to it while supporting the mine roof until it yields, the pressure being applied against an end of the prop and the mine floor or roof as the other abutment. In Fig. 1, hydraulic cylinders 7 are supported and bear down, when in operation, on the prop head 5 of the prop 2 by hooked irons 6 and press by their rams 8 against a lagging iron 4 supported on the pit prop. A gauge 13 indicates when the prop yields and a gauge 12 on the pump 11 for the cylinders 7 indicates at what pressure. Figs. 4-6 (not shown) describe a modified form for prop heads having teeth to retain lagging irons.
Patent GB-1463221-A (GB)
Title: Transporting system for conveying stacks of newspapers and or magazines at printing presses from counter-stackers to and beyond strapping machines
IPC: B65H43/00
Filed: 1975-01-27
Abstract: 1463221 Conveyer systems H A BAKKEREN 27 Jan 1975 [13 Feb 1974] 3450/75 Heading B8A Stacks of publications in containers 13 as described in Specification 1,459,536, are conveyed to strapping machines 7, 8 and 9, by a system of intersecting conveyers 4. At each position 5 of intersection, the containers may be diverted by an electronic control system (not described in detail in the specification). The strapping machines are able to strap the stacks without the latter being removed from the containers. The stacks are transmitted on a further conveyer line 11, and the empty containers are returned along a route 12. The conveyers may work on the linear motor principle.
Patent GB-1387283-A (GB)
Title: Adhesive printing member
IPC: G03G13/28
Filed: 1972-01-25
Abstract: 1387283 Litho printing plate XEROX CORP 25 Jan 1972 [1 Feb 1971] 3465/72 Heading G2H [Also in Division B6]  A lithographic plate for use in a dry process is formed from an electro-photographic element having an ink-repellant layer provided by a silicone elastomer, hydrophobic toner particles being fixed to the layer to provide image area receptive to lithographic ink. The silicone elastomer may be used as a binder for the photo-conductive particles or as an overlayer on the photo-conductive layer. The elastomer is preferably an RTV polysiloxane with an adhesive release value less than 100 g per inch. The photo-conductive particles are preferably ZnO but others are specified, whilst the toner particles are styrene polymers or phenol-formaldehyde resins.
Patent GB-992410-A (GB)
Title: Improvements in or relating to assemblies comprising rotors mounted on shafts
IPC: F16D1/06
Filed: 1962-01-31
Abstract: 992,410. Centrifugal pumps and blowers. S. A. LEHTINEN. Jan. 31, 1962 [Feb. 9, 1961], No. 3581/62. Heading F1C. [Also in Division F2] A centrifugal pump or blower comprises a hexagonal shaft 1 on which one or more closely fitting impellers 2 are axially spaced and retained by rubber or plastics sleeves 3 resiliently contracted and/or bonded or adhered on the shaft 1 the outer cylindrical surfaces of the sleeves, in plastics material, additionally forming bearing surfaces which are journalled at 7 in each section 4, 5 and 6 of the pump casing.
Patent GB-1400457-A (GB)
Title: Rear view driving mirror
IPC: B60R1/06
Filed: 1972-01-26
Abstract: 1400457 Rear view mirrors D A STODDART and D C GOWANS 12 April 1973 [26 Jan 1972] 3621/72 Heading B7J A rear view driving mirror comprises an elongate cylindrical housing 32 adapted to be mounted on a vehicle exterior by attachment means including a bolt 78; a mirror element mounted on mounting means comprising a backing plate 76 carrying end caps 36 which engage and are rotatable relative to the end portions 34 of the housing 32, so that the mirror element and its mounting means can be angularly displaced about the longitudinal axis of the housing between a normal rest position and a fully displaced position; and control means comprising a flexible sheathed cable 70 linked to the mounting means for remote control of the mirror element position. Each end cap 36 includes a lug 40 which engages in an arcuate groove formed in the associated housing end portion 34 such that abutment of the lug against the ends of the groove defines the normal and fully displaced positions respectively, the mounting means being resiliently biased towards the normal position by a coil spring 56 acting between the housing 32 and the upper end cap 36. The lower end cap 36 carries a bobbin member 58 to which one end 72 of the inner core 68 of the cable 70 is attached, the other end of the cable core 68 extending through a hollow tube 88, which is secured to the vehicle steering column in use, for attachment to a handle 89 for manual rotation. The mirror may be used in an articulated vehicle wherein the mirror control means are linked to the trailer, so that angular displacement of the trailer relative to the tractor causes corresponding angular movement of the mirror element to retain the rear end of the trailer in view. As alternative control means to the cable 70, an hydraulically-operated piston-and-cylinder of which the cylinder is carried by the housing and the piston co-operates with the mounting means may be employed. In another form, described with reference to the drawing accompanying the Provisional Specification (not shown), the elongate housing (2) is semi-circular in crosssection and carries collars (6) at either end which receive the mounting means of the mirror element, these means comprising a sleeve member (8) rotatable in the collars (6) and carrying a backing plate (14) for the mirror element.
Patent GB-428641-A (GB)
Title: Improvements in and connected with trawl doors
IPC: A01K73/045
Filed: 1934-02-05
Abstract: 428,641. Trawling. MUMBY, B., 16, Perry Street, Anlaby Road, Hull. Feb. 5, 1934, No. 3726. [Class 48] A trawl board comprises a U-shaped frame 1 of H- cross - section to which a sole bar 4 is secured detachably at its upturned ends 4<a>. The ends 4a are secured by bolts 9 which pass through the frame web and through the bent over ends of a tie bar 9b. Additional security is provided by U -shaped members 11 which engage beneath outwardly projecting heads 15 on the sole bar. The members 11 may be bolted to cuddler brackets 12. Tie bars 8 are placed either between the planks 6 or along the contracting edges of the planks and bolted to the frame 1. In the latter case the ends of the tie bars are formed as eyes 8<a>.
Patent GB-1478419-A (GB)
Title: Reversible heat exchanger or regenerator systems
IPC: F25J5/00
Filed: 1975-01-28
Abstract: 1478419 Thermal regenerators AIR PRODUCTS and CHEMICALS Inc 22 Jan 1976 [28 Jan 1975] 3738/75 Heading F4K At each end of the reversing fluids flow path through a system of regenerative heat exchangers (in particular in an air separation plant) is provided an inlet branch and an outlet branch (e.g. 46, 48 and 34, 36) each branch incorporating two valves, such as check valves 24 and 50 in the branch 46 and switch valve 16 and check valve 38 in the branch 34, and a vent pipe being provided between each said two valves, e.g. vent pipe 57 between valves 24 and 50 in branch 46, and means being provided to control fluid flow through the vent pipes. In the operation of the system, the heat exchanging fluids being air and low pressure nitrogen; as each gas flows in turn through the regenerator 12 from its respective inlet branch at one end of the regenerator to its respective outlet branch at the other end of the regenerator, any gas leakage (e.g. through valves which are closed until the fluids are reversed) is vented respectively through the vent pipe associated with the outlet branch at said one end and with the inlet branch at said other end of the regenerator. Each vent pipe has a switch valve such as 66 incorporated therein and these valves as well as the other switch valves, such as 16, in the system are all controlled by a valve timer 80. The intention is to prevent contamination of the nitrogen gas by the air during the steady state operation of the heat exchanger. At the end of a cycle, during which air has been flowing through the regenerator, the regenerator flow path is purged of air via the vent pipe 61 (or 64) before the nitrogen is admitted. Alternatively such venting may be effected through an additional vent (not shown) downstream of the valves 38 and 44.
Patent GB-575708-A (GB)
Title: Improvements in commutators for dynamo-electric machines
IPC: H01R39/04
Filed: 1944-02-29
Abstract: 575,708. Commutators for dynamoelectric machines. JACK & HEINTZ, Inc. Feb. 29, 1944, No. 3766. Convention date, Jan. 6, 1943. Drawings to Specification. [Class 35] Commutator segments for high-speed machines have openings in such positions that they least affect the strength'of the segments and yet reduce the weight.
Patent GB-251045-A (GB)
Title: Improved lamp, for motor cars and other vehicles, capable of operating as a "direction" indicator during darkness
IPC: B60Q1/34
Filed: 1925-02-11
Abstract: 251,045. Nichols, J. Feb. 11, 1925. Road - traffic signals on vehicles.-A vehicle lamp adapted to function, when required, as a direction indicator as well as an ordinary lamp is provided with a light chamber and one or more compartments communicating therewith by an aperture or apertures, which may be closed completely by a pivoted shutter. In one form a side light c mounted by pillars b, Fig. 1, on the front mud-guard a is provided with an extended part c<1> having a coloured glass front e and normally separated from the interior of the light chamber by a hinged curved partition h capable of being moved by means of a flexible connection s in opposition to a spring n to allow light to pass to the part c<1> for directional purposes. The lamp may be provided with an exterior r containing coloured transparent material visible at the side and rear of the vehicle. In modifications, the lamp may be provided with a single lens or transparency divided into two halves by a movable partition when in the closed position, or a directional lens may be arranged on each side of the ordinary lens, or back lights may be illuminated simultaneously with the illumination of the directional section of the compound lamp.
Patent GB-1420885-A (GB)
Title: Ocular drug dispensing device and process for making the same
IPC: A61M31/00
Filed: 1974-01-28
Abstract: 1420885 Administering drugs to the eye; pharmaceutical preparations ALZA CORP 28 Jan 1974 03837/74 Headings A5B and A5R A drug is dispensed to an eye at a predetermined rate for a prolonged period of time by a sealed container 10 insertable in a cul-de-sac of the eye and having first and third walls 11, 14, each insoluble in tear fluid and at least one being permeable to the drug by diffusion, separated by an annular second wall 12, with a drug mixture 13 comprising a drug and carrier in the interior space 15 formed by the walls 11, 12, 14. The permeable wall(s) may comprise a homogeneous imperforate natural or synthetic polymer, of which examples are given, e.g. natural rubber, silicone rubber, plasticised nylon, polymethylmethacrylate, or ethylene-vinylacetate copolymer. Alternatively the permeable walls may comprise microporous material with pore sizes from 10Š to 100 microns, of which examples are given, e.g. celluloses, cellulose acetate propionate or polycarbonates, filled with a diffusive medium in which the drug has a limited solubility, of which several examples are given, e.g. water, glycerin or propylene glycol. The second wall 12 comprises a cold or hot setting adhesive polymeric material (setting temperature 5‹C to 250‹C) heat sealed to the walls 11, 14, examples of materials being given, e.g. polyvinylacetate or polyamides, and may include a dye for identification purposes. The drug may comprise antibiotics e.g. tetracycline, antibacterials e.g. sulfonamides, antivirals e.g. idoxuridine, anti-allergenics e.g. antazoline, antiinflammatories e.g. hydrocortisone, decongestants e.g. phenylephrine, miotics and anticholinesterases e.g. pilocarpine, mydriatics e.g. atropine sulfate, or sympathomimetics e.g. epinephrine, suspended in a solid or semi-solid carrier, e.g. gelatin, starches, pectin &c. The device may be of various shapes, e.g. elliptical, bean-shaped, banana-shaped, circular, rectangular, trapezoidal or doughnut shaped, for retention in the eye.
Patent GB-848621-A (GB)
Title: Improvements in or relating to oil seals for shafts
IPC: F16J15/34
Filed: 1959-02-03
Abstract: 848,621. Stuffing-box substitutes. MASCHINENFABRIK OERLIKON. Feb. 3, 1959 [Feb. 19, 1958], No. 3851/59. Class 122 (5). An oil seal for a shaft 1 extending from a housing 41 containing pressurized gas comprises a sealing ring 3<SP>1</SP> which is axially displaceable under the action of a spring 9 into sealing contact with a collar 2 on the shaft and is fitted with a packing ring 5 having an outside diameter substantially equal to the outer diameter of the sealing contact surface of the ring 3<SP>1</SP>, and at least one groove 7 provided in the sealing surface of the ring 3<SP>1</SP> and supplied through channels 6, with sealing oil, the pressure difference between the oil and gas being maintained approximately constant. The sealing oil is fed through a port 8 into a chamber between two rings 5, 5<SP>1</SP> and its pressure is regulated by a valve controlled by the pressure of the gas so that the oil pressure is always maintained at a constant amount above the gas pressure.
Patent GB-181051-A (GB)
Title: Improvements in and relating to electric switches
IPC: H01H1/14
Filed: 1921-02-02
Abstract: 181,051. British Thomson - Houston Co., Ltd., (General Electric Co.). Feb. 2, 1921. Oil switches; contacts. -Electric oil switches of the type described in Specification 176,147 are provided with self-aligning contacts comprising a wedge-shaped contact bar 5 carried by the reciprocating - rod and adapted to co-operate with fixed contacts 4 having laminated contact fingers 52 mounted on the ends of the terminal bushes 51. Guiding-members 53 are secured to the contact fingers 52, and supporting cam-members 54 are provided in order to prevent such guiding-members 53 from damage during the entry of the contact 5. The members 54 are loosely pivoted to extensions 55, 57 of the fixed contact frame 56, which is also secured to the terminal member 51.
Patent GB-607568-A (GB)
Title: Improvements in or relating to variable pitch propellers
IPC: B64C11/34
Filed: 1946-02-08
Abstract: 607,568. Variable-pitch propellers. FAIREY AVIATION CO., Ltd., PERT, G. J. SMITH-, and FORSYTH, A. G. Feb. 8, 1946, No. 4015. Convention date, Feb. 8, 1945. [Class 114] A variable-pitch propeller has means whereby change from fine to coarse pitch is effected by centrifugal force acting on counterbalance weights connected to the blades and change in the reverse direction is by hydraulic means. Segmental plate-type weights 31, 32 connected to the blades have notches 37 which engage arms 38 extending from a sleeve 39. The propeller drive shaft 10 forms a cylinder for a spring-loaded piston comprising a tubular body 49 and a head 48. The forward end of the piston body 49 has a number of spiral grooves on its outer surface, these grooves engaging complementary ribs 51 in the sleeve 39. As speed of rotation of the propeller increases, centrifugal force causes the weights 31, 32 to move toward the plane of rotation of the blades, thereby changing the pitch from fine to coarse. To return the blades to fine pitch pressure liquid is admitted through the inlet 67 to the interior of the propeller drive shaft 10 where it acts upon the piston to urge it forward. Due to the spiral grooves on its surface, forward movement of the piston body 49 causes the sleeve 39 to rotate, the arms 38 of which will turn the weights, and hence the propeller blades, back to their initial position. Movement of the weights, and hence the propeller blades, is restricted by adjustable stops 57, 58. Initial adjustment may be made by reason of the slots 47 and also the selection of holes 25 through which the bolts 46 pass.
Patent GB-487517-A (GB)
Title: Self-locking nut and bolt
IPC: F16B39/04
Filed: 1937-07-20
Abstract: 487,517. Locknuts. BURCHELL, J. H. July 20, 1937, No. 4156. [Class 89 (i)] In a locknut of tht kind in which a pivoted lever B is pressed by a spring E into a groove in the bolt and is raisec from the groove on the application of a span ner the lever is in a plane parallel to the axis of the bolt and has a straight edge F pro jecting from the surface of the nut adapted when engaged by the spanner to be flush with the side of the nut.