baber/WOPTO huggingface dataset:
Patent GB-1366314-A (GB)
Title: Hydraulic br'king systems for vehicles
IPC: B60T17/22
Filed: 1971-01-15
Abstract: 1366314 Brakes GIRLING Ltd 14 Jan 1972 [15 Jan 1971 2 March 1971] 2059/71 and 5831/71 Headings F2E and F2F A double braking system having two sources of pressurized hydraulic fluid is connected so that each circuit is connected to diagonally opposite wheels, or to both front brakes and one rear one. Thus, a single pedal 10 operates two master cylinders 7, 8, feeding separate slave cylinders 5, 6 in front wheels 1, 2 and rear wheels 3, 4, over lines 14, 16 respectively. The master cylinders employ separate pressure sources: cylinder 7 is fed by engine-driven pump 18 through a pressure accumulator 22, while cylinder 8 is energized by an electrically driven pump 35 through accumulator 41. The respective reservoirs 19, 38 have fluid-level warning lights 31 and the accumulators have warning lights 29. A differential-pressure indicator 53 operates between the two systems. Each braking supply line is fed through a tandem modulator 60 which comprises a control valve 61 controlled by a tacho-generator 63 which acts through control module 62 to cut off the supply of pressure and produce an expanded volume to reduce the braking on excessive wheel deceleration. Fluid pressure is supplied to the modulators through line 66 from independent pressure sources comprising a pump 67 energized from a battery 68 and having a conventional pressure regulating system. Specifications 1,312,614; 1,324,593; 1,324,595; 1,324,596; 1,324,597 are referred to.
Patent GB-1414137-A (GB)
Title: Barrier deployment vessel
IPC: E02B15/06
Filed: 1972-01-17
Abstract: 1414137 Inflatable boom in floatable container BRITISH PETROLEUM CO Ltd 16 Jan 1973 [17 Jan 1972] 2090/72 Heading E1H Apparatus for transportation and inflation of booms comprises a floatable container 2 inside which is an inflatable boom having at least one air chamber and at least one water chamber. The boom is connected to blower 3 and water pump 6 in the container which are capable of inflating and filling the air and water chambers respectively.
Patent GB-555577-A (GB)
Title: Method of and means for pumping a fluid and promoting constancy of flow of the fluid pumped
IPC: F04B11/00
Filed: 1943-02-17
Abstract: 555,577. Diaphragm pumps. HARDING, H. J. Feb. 17, 1943, No. 2108/42. [Class 102 (i)] A pump for fluids, liquids containing solids, or pulverulent material, suitable also for blood transfusion, comprises a substantially tubular flexible membrane which separates the fluid being pumped from an operating fluid to which suction and pressure are alternately applied, an air or like vessel being provided for securing regular delivery. The operating fluid may be air, a mixture of air and liquid, lubricating oil, or soapy water. In the form shown, an eccentric 39 reciprocates a piston 23 in a cylinder 22 joining cylindrical chambers 13, 14 which contain the operating fluid and also cylindrical pumping conduits 11, 12 connected to common extension conduits 24 of flexible material surrounded by air chambers 25. The inlet and outlet valves 40, 41 each comprisea box-like structure 42 which a main orifice 43 and minor orifices 45 with flexible flaps 46. The insides and/or outsides of the conduits. 11, 12, 24 may be proected by limiting cages- The positions of the operating fluid and the pumped fluid or the like, relative to the tubular flexible membrane, may be reversed. The pump may be driven by an electric motor and be wholly submerged, whilst the piston 23 may be replaced by a crank-operated bellows.
Patent GB-323661-A (GB)
Title: Improvements in and relating to furnace fronts
IPC: F23D11/00
Filed: 1929-01-22
Abstract: 323,661. White, W. A., and White Patent Oil Burning Co., Ltd. Jan. 22, 1929. Liquid and pulverulent fuel furnaces. - In a furnace front, which may be such as described in Specification 10079/14 the venturi tube is carried by a door hinged to the furnace front. The venturi tube c is connected by bolts d to the. furnace door e and spigots into a conical base casting a fitted to the furnace flue b. The door also carries the burner and its jacket tube i on which slide the flame cone k and the air cone m. A double hinge comprising a pair of short links o, pivoted to lugs o<2> on the cape f, and a longer member o<3> secures the door to the furnace front. The fuel supply tube t is connected by a yoke u, pivoted at u', to a fuel inlet valve s on the cape f and may be clamped by a set screw v. A locking member w which embodies an arcuate slot is attached to the spindle s<1> of the valve s and holds the yoke a in position so that it cannot be released until the fuel supply is shut off. The usual draught casing x, a number of natural draught doors y and a conical baffle z are also fitted to the furnace front.
Patent GB-667812-A (GB)
Title: Improvements relating to rotary hydraulic machines of the sliding vane type
Inventor: WAARDENBURG PIETER
IPC: F01C21/08
Filed: 1950-01-27
Abstract: 667,812. Rotary pumps or engines. NAAM LOOZE VENNOOTSCHAP NEDERLANDSCHE VEREENIGDE SCHEEPSBOUW BUREAUX. Jan. 27, 1950. No. 2198/50. Class 110(ii). An eccentric rotor 4 has outwardly-sliding vanes 11 each in a slot 13 into which liquid is admitted from whichever adjacent working space is at the higher pressure. Fig. 1 shows one form in which ducts 14 connect a slot 13 with the working spaces on each side of a vane and a ball valve 15 closes that duct leading to the space at lower pressure. Springs 16 also are used to press the vanes outwards. Outer and inner casings 1, 2 have spaces between them which are under suction pressure under control of non-return valves 17, 18 to keep the pressure acting on a gland 6 at a minimum. An inner gland 5 is provided. For a pump, inlet and outlet ports 9, 10 communicate respectively with spaces 7, 8.
Patent GB-305024-A (GB)
Title: Improvements in and relating to powder dispensers
IPC: A45D33/00
Filed: 1929-01-22
Abstract: 305,024. Baquey, P., (known as Baquey, G.). Jan. 28, 1928, [Convention date]. Powder distributers.-In a powder distributer, the sieve is disposed at the bottom of the powder receptacle and the powder puff below the sieve in a movable support so as to receive powder distributed through the sieve by means operated when the support is moved. As shown in Figs. 3 and 6, the puff x is contained in a drawer b slidable in the bottom of a box a below an aperture c<1>; in a partition c the powder is contained in a removable receptacle d having a sieve d<1> disposed over the aperture c<1> and a pin d<2> on its underside projecting through a slot c<2> in the partition c. The receptacle d is closed by a hinged cover e carrying strips of rubber e<1> bearing lightly on the sieve d' and when the drawer b is opened its rear edge engages a projection d<3> at the rear of the sieve and moves the receptacle, the rubber e agitating the powder and causing it to pass through the sieve on to the puff. When the puff is replaced in the drawer and the latter closed, its rear edge engages the pin d<2> and moves the receptacle back, powder being again distributed on the puff. In a modification the sieve is disposed in the partition c which, with the sides of the box forms the powder receptacle and brushing members are carried by a curved plate journaled by a shaft in guide slots in flanges on the cover e. One or more projections on the plate engage notches in the sides of the drawer which, when moved, oscillates the plate and moves it in the guide slots to distribute powder through the sieve. The front and rear edges of the plate scrape the powder towards the centre of the sieve as the drawer is moved in and out.
Patent GB-325360-A (GB)
Title: Improvements in rotary tipplers
IPC: B65G67/00
Filed: 1929-01-22
Abstract: 325,360. Babcock & Wilcox, Ltd., and Hollick, F. W. Jan. 28, 1929. Rotary tipplers.-The tippler comprises a cage 1, 2 rotating on rollers 3, a carriage 9, 9<1>, 9<2> pivoted in the cage at 10. and provided with rollers 11 engaging guide rails 12 in the cage which are concentric with the hinge 10, a rail platform 6 for the wagon pivoted to one side of its centre at 7 in brackets 8 on the carriage and a top clamping bar 24 operatively connected with the carriage. The bar 24 is carried by levers 25 pivoted on the tippler at 26 and is connected with the carriage by links 23, levers 21 and links 22. Rollers 16 on the rail platform 6 normally rest on an abutment 15<1> and when the tippler begins to move run down cam tracks 15 allowing the side of the wagon to come against a support 19 on the carriage. The carriage normally rests on a support (not shown) carried by girders 13 on the cage, and when the tippler is rotated the carriage turns about the pivot 10 as far as permitted by the top bar 24 or by stops 27 on the guide rails 12. The extent of movement of the carriage thus varies according to the height of the wagon which is being tipped. Specification 286,475 is referred to.
Patent GB-766119-A (GB)
Title: Improved means for coating of surfaces by vapour deposition
Inventor: SHEN TZU EN
IPC: C23C14/24
Filed: 1953-01-26
Abstract: 766,119. Coating by vapour deposition. BRITISH DIELECTRIC RESEARCH, Ltd. Jan. 25, 1954 [Jan. 26, 1953], No. 2224/53. Class 82(2) Vacuum - evaporation, vapour - deposition apparatus comprises a container, for the material to be vaporized, having a non-restricting outlet passage for directing the free flow of vapour from the evaporating material in the container towards the surface to be coated and a baffle positioned within the container to cut off the straight line paths extending through the passage between the evaporating material and the surface to be coated and to provide, in conjunction with the entrance to the passage, paths for the free flow of vapour around the baffle. A crucible, Fig. 1, heated at 3, comprises a heated outlet passage 4 and a horizontal baffle 7. In another form, Fig. 2, the outlet passage 13 is detachable from the crucible 11 and the baffle is in the form of a bar 17. Baffle and outlet passage may form a unitary structure.
Patent GB-524236-A (GB)
Title: Improvements in apparatus and circuits for the control of railway track switches
IPC: B61L19/06
Filed: 1939-01-24
Abstract: 524,236. Operating railway switches. GENERAL RAILWAY SIGNAL COMPANY. Jan. 24, 1939, No. 2504. Convention date, Jan. 29, 1938. [Class 104 (i)] In an electric control svstem for a power-operated track switch,. of the kind in which alternative circuits for operating the motor of a, track switch machine in alternate directions are controlled selectively by a circuit controller, the operability of which depends on the setting of the switch or its shifting and locking mechanism, an electromagnetically-operated pole changer or circuit controller is biased into a neutral position when the switch machine completes an operating cycle. In the form shown, the switch motor operates the throw rod TR through gearing 5 ... 14, a crank shaft 15 and a shaft carrying two free rollers 16, 17 coacting respectively with a cam 18 in the throw rod and a cam 19 in the lock plunger LP. The lock plunger carries a lock dog 21 arranged to engage behind 'the shoulders 22 after the switch has reached either extreme position, and another dog 23 secured to LP and arranged to engage the lock rod LR in the extreme positions of the switch. An electromagnetic' brake 24 controls the motor armature after de-energisation. The motor circuit controller comprises two sets of fixed resilient contacts 45 on insulating blocks 30, and a movable contact block 32 which can be brought into contact with either set of contacts 45 to close two independent circuits. The block 32 is biased to mid position by springs 42 and is carried by a yoke secured to the plungers of two solenoids 39. The point detector contact mechanism consists of two fixed insulating blocks 46 (Fig. 7) carrying contact fingers, and a movable block 48 carrying contact strips 49 and contact openers. Each strip 49 carries contacts 53 adapted to bridge a pair of fixed contacts on one of the blocks 46 when 48 is rocked in one direction, and a pair on the opposite block 46 when it is rocked in the opposite direction. The contact openers carried by 48 open contact fingers on one of the blocks 46 when 48 is rocked in one direction, and fingers on the other block 46 when moved in the opposite direction, corresponding to the two extreme locked positions of the switch. The cradle carrying 48 is operated by the movements of the locking dog 23 and the switch point detector bars D. A system of relay switches control the circuits. Specification 169,795 [Class 104 (i)] is referred to.
Patent GB-1300191-A (GB)
Title: A keying device for use in making a dental model and a method of constructing a dental model using said device
Inventor: THOMAS JOHN M
IPC: A61C9/00
Filed: 1971-01-19
Abstract: 1300191 Dental model keying device THOMAS TECHNADENT PRODUCTS Inc 19 Jan 1971 2574/71 Heading A5R A dental model keying device camprises a ridge of material shaped to follow the path of an arch corresponding to that of a dental arch, the ridge carrying a key which is formed as a lateral extension of the ridge around the path of the arch, the surfaces of which key are corrugated and which are adapted to closely fit into a matrix into which the key may be removably held by friction. In the embodiment shown, Fig. 5, a ridge 12 is formed upstanding from a surface of a rimmed tray 18 and the key 14, Fig. 5, extends below this surface. A line of weakness 13, Fig. 4, is formed around the ridge 12 and in use dental cement 30 is poured into the tray as shown and allowed to set. The line 13 is scored through and the key 14 and ridge 12 are removed with the aid of knock out pins 17. The ridge 12 may then be placed in a negative mould of teeth to be modelled and a model 35 of these teeth produced as shown, which model is keyed into the matrix formed by the substance 30. In a modification, Fig. 9 (not shown) a ridge (22) is formed as a trough extending downwards into a rimmed tray (28), the sides of which trough are corrugated, the trough being removable after casting of a matrix (32). In a further modification, Fig. 15 (not shown), a centre portion (48) of a tray is removable together with ridge and key portion (42)-(43). In a third modification, Fig. 21 (not shown), a key (59) is cast on a ridge (53) using a corrugated matrix as a mould and in a fourth modification, Figs. 25-29 (not shown) a matrix base (75) and a key (70) are each prepared from dies. A tray (50), Fig. 17 (not shown) may be used if a small portion of a dental arch is to be modelled.
Patent GB-1109151-A (GB)
Title: Electrically insulating components
Inventor: MCCULLAGH NORMAN GEORGE
IPC: H01B17/32
Filed: 1964-01-21
Abstract: 1,109,151. Electric insulators. PERMALI Ltd. 20 April, 1965 [21 Jan., 1964], No. 2577/64. Heading H2C. The insulating tie rod shown comprises an insulating mandrel 2, metal end members tightly fitted permanently into the ends of the tube and a winding of glass fibres which is wound over the mandrel and waisted portions 8 in the metallic end fittings. The mandrel may be made of resinimpregnated paper tubing or of reinforced synthetic resin, e.g. glass fibre and epoxide or polyester resin.
Patent GB-807144-A (GB)
Title: Index tab
IPC: B42F21/08
Filed: 1957-01-24
Abstract: 807,144. Indexing tabs. ACME VISIBLE RECORDS Inc. Jan. 24, 1957 [April 27, 1956], No. 2586/57. Class 16 An index tab comprises a rigid tapered body portion 16 and a complementary cup 21 of transparent material adapted for telescopic frictional engagement thereover. The tab shown is formed from a strip of sheet metal doubled over at 17 to form the body portion 16 and offset at 18 to form flanges 19 which embrace a panel edge 12 and are welded thereto, positioned by beads 20. A strip of paper 26 folded at 27 provideds indicia on both sides of the tab and is secured by the cup 21 which comprises faces 22 joined by slightly converging edges 23 and closed end 24.
Patent GB-1113764-A (GB)
Title: Polyethylene derivatives
IPC: C08F8/06
Filed: 1966-01-20
Abstract: Polyethylene derivatives comprising hydrocarbon groups, carboxyl groups and chlorine atoms, having a molecular weight of 600 to 6000, and acid number of 4 to 25 and a chlorine content 5 to 75 weight per cent, may be prepared by chlorinating oxidized polyethylene waxes having a melt viscosity of 100 to 4000 cp. at 125 DEG  C. and an acid number of 4 to 25. The waxes may be prepared by autooxidation and optionally hydrogenation of low molecular weight polyethylenes obtained by direct polymerization or by thermal degradation of high molecular weight polyethylenes. Chlorination may be effected in solution in an inert solvent, preferably carbon tetrachloride, and in the presence of ultra-violet light or an azo or peroxide free radical catalyst. Products having a chlorine content of 5 to 25 weight per cent are suitable for use as emulsifiable polishing waxes, those with a chlorine content of 25 to 50% as adhesives and those with a chlorine content of 50 to 75% as barrier coating resins, e.g. for application to polyolefin and other plastic films, paper, wood, metal, masonry and bricks. Examples A to M describe the preparation of oxidized polyethylene waxes and 1 to 6 the chlorination thereof. The chlorinated oxidized polyethylene waxes are (3) compounded with dibutyl phthalate and aromatic solvents and emulsified in an aqueous medium containing acrylic resin and a surface-active agent such as morpholine oleate to give floor polishing composition, and (5) melted with paraffin wax to give a paper coating composition.ALSO:Substrates may be coated with compositions comprising carboxyl and chlorine containing derivatives of polyethylene having a molecular weight of 600 to 6000, an acid number of 4 to 25 and a chlorine content of 5 to 75 weight per cent.  Specified substrates are paper, wood, metals, natural fibres, masonry, bricks and plastics, e.g. in the form of films and other shaped articles. The derivatives may chlorination products of waxes obtained by oxidising and optionally hydrogenating low molecular weight polyethylenes obtained by direct polymerisation or by degradation of high molecular weight polyethylenes.  In examples chlorinated oxidised polyethylene waxes are (3) compounded with dibutyl phthalate and aromatic hydrocarbon solvent, emulsified in an aqueous medium containing acrylic resin and a surface active agent and the resulting emulsion coated on vinyl asbestos floor tiles; and (5) melt blended with paraffin wax and the blend knife coated on stainless steel and paper.
Patent GB-1426323-A (GB)
Title: Oil purification equipment
IPC: B01D35/26
Filed: 1972-01-20
Abstract: 1426323 Oil filter trolley UNIT OIL FILTERS LTD and B L WHITESIDE 26 Feb 1973 [20 Jan 1972] 2699/72 Heading B1D A mobile oil filter comprises a trolley carrying an electric pump 16 which delivers oil to a manifold 21 connected to three filters 25, 26, 27 in parallel, the filters discharging to a second manifold 31 leading to outlet 32, and each filter comprising an axial flow paper roll element in a housing. The manifolds 21 and 31 are provided by hollow tubular parts of the trolley frame. A preliminary strainer 20 is provided upstream of pump 16, which has a line 19 by which excess oil returns to strainer 20. In a double-decked version (Fig. 1, not shown) an electric heater is connected between the pump and manifold 21 to reduce oil viscosity.
Patent GB-463007-A (GB)
Title: Improvements in and relating to electrically heated hotplates
IPC: H05B3/70
Filed: 1936-01-29
Abstract: 463,007. Electric hot-plates. GENERAL ELECTRIC CO., Ltd., and HUMPHREYS, O. W. Jan. 29, 1936, No. 2701. [Class 39 (iii)] In a hot-plate in which heating elements are embedded in a refractory material 6 beneath a cast iron top plate 1, a member 2 is cast into the top plate and a cover plate 4 is welded to this member to protect the refractory material from the seepage of liquids. The boundary of the member 2 need not necessarily conform to the shape of the hot-plate.
Patent GB-164411-A (GB)
Title: Improvements in and relating to means for reporting back, and, or, checking, the time shown by clocks
IPC: G04C13/04
Filed: 1920-01-29
Abstract: 164,411. Parsons, I. H., and Ball, A. E. J. Jan. 29, 1020. Electric clocks. - A series of clocks B, B<1>, &c., is connected with a central station by a circuit A which there runs through a recorder C. Normally a weak current prevents the marker touching the drum but each of the clocks in succession breaks the circuit and the standard time when the breakagereading of any clock occurs is registered. As a time-signal, the secondary current from an induction-coil is dispatched to affect a telephone-receiver at the distant station.
Patent GB-596363-A (GB)
Title: Process for making urea formaldehyde moulding composition, and products produced therefrom
IPC: C08J5/00
Filed: 1944-02-15
Abstract: An injection-moulding composition is made by a process comprising mechanically working and heating a dried incompletely reacted thermosetting condensate of an aldehyde-reactive amino compound and an aldehyde at a pH of 4 to 5.5 with from 8-20 per cent by weight of an inert liquid, e.g. water, alcohols, or ketones (which can be vaporized after the composition has been moulded) to produce a readily flowable mass which is capable of being injection moulded, the temperature being preferably below 150 DEG  C.  Amino compounds specified are urea, mono- and di-methylol urea, thiourea, guanidine, methyl urea, acetyl urea, melamine, cyanamide, dicyanodiamide, biuret, semicarbazide, aniline, derivatives of aniline, and aldehydes specified are formaldehyde, acetaldehyde, propionaldehyde, crotonaldehyde, benzaldehyde and furfural.  The working may be carried out on differential rolls at different temperatures, or with Banbury or Werner and Pfleiderer mixers, or by means of extrusion apparatus.  Plasticisers such as benzyl alcohol, triphenyl phosphate, diethyl or dibutyl oxalate, tartrate, or phthalate, p-toluene-sulphonamide resin, camphor, acetanilide may be added.  In an example, a urea-formaldehyde condensate is mixed with alpha-cellulose, dried, ground and dried again; the dry powder is then worked on hot and cold differential rolls, the hot roll being at 120 DEG  C., with 20 per cent water and sufficient formic acid to make the pH equal to 5.  In order to produce a product which could be stored, sufficient 10 per cent aqueous caustic soda solution was added during the final stage of the working to make the pH about 6.5.
Patent GB-485780-A (GB)
Title: Improvements relating to stair carpet retaining devices
IPC: A47G27/06
Filed: 1937-01-30
Abstract: 485,780. Stair-carpet holders. CLAY, A., and WICKER, J. C. Jan. 30, 1937, No. 2766. Addition to 453,182. [Class 52 (v)] The stair-carpet holder described in the parent Specification is modified to extend completely across the carpet and has screw means 6 rotatably mounted adjacent each end and adapted to co-operate with screw boxes 5e on brackets 5 fixed on either side of the carpet. The brackets have ears 5a secured to the tread and riser and are adapted to embrace the marginal part of the carpet. The screws 6 are mounted in elongated slots 7a at the ends of the concave retaining member 7c and have fluted heads 6a which in conjunction with flanges 6b on the shanks of the screws prevent the screws being detached from the retaining member. Flanges 7b on the retaining member fit over the sides of the limbs 5c of the brackets in which the screw boxes 5e are formed.
Patent GB-688871-A (GB)
Title: Improvements in or relating to apparatus for collecting and/or destroying unwanted insects
IPC: A01M1/20
Filed: 1950-11-24
Abstract: 688,871. Fly-traps. EVANS, W. E. Nov. 8, 1951 [Nov. 24, 1950], No. 28820/50. Class 5(i) Flies and like pests are sucked within a porous or perforated receptacle 4 mounted within a container 1. A rubber ring 5 which yields to the suction prevents egress. The flanged mouth 7 of the member 4 is held over the container 1 by a rubber cap 2 having a flaring aperture 3, within which may be a cross-cut diaphragm. The back end of the container 1 may be connected to a vacuum cleaner, or a suction motor may be mounted within it. In this form an outer shell 10 returns the air to the front 12 for recirculation.