baber/WOPTO huggingface dataset:
Patent GB-652621-A (GB)
Title: Improvements in or relating to plants for purifying liquids such as boiler feed water
IPC: B01D21/02
Filed: 1947-11-03
Abstract: 652,621. Steam boiler sediment collectors. GROOM, R. W. Nov. 3, 1947, No. 29250. [Class 123(ii)] [Also in Group I] In a plant for purifying boiler feed water in which the sludge-laden water from the boiler is passed through a sedimentation tank having a steam discharge pipe with submerged end, the sedimentation tank comprises two covered compartments 1, 2 separated by a partition 3 and having baffles 7, 8 respectively, the outflow 20 of the final compartment 2 being taken from a point 17 at a depth below the liquid level depending on the depth of submergence of a steam pipe 12a through an upriser 18 which reaches the liquid level (i.e. the level of the top of the partition 3) at a T-junction 19, and then turns down, a vent 18a being provided at the level of turndown, and the compartments 1 and 2 together with the space 10 between the final baffle 8 and the end-wall 2a being interconnected so that the pressure therein is equalised. The steam discharge pipe 12 leads from the first compartment 1 and ends below the surface of water in a tank T for the escape and condensation of flashoff steam generated as a result of the introduction of the hot sludge-laden water from the boiler into the water of the tank through pipes 11. The pipes 11 are below the level of the top of the partition 3. The pressure interconnection is provided by riser pipes 13, 14 and 15, and manifold 16. In an alternative construction the point 17 is just below the level of the top of the partition 3 and the T-piece 19 is above it by a distance equal to the depth of submergence of the pipe 12a.
Patent GB-446476-A (GB)
Title: Improvements in electric switches suitable for use with battery lamps
IPC: H01H13/52
Filed: 1935-10-23
Abstract: 446,476. Switches held set and freed mechanically. KETNER, L. P. G., 4, Bernhardsvej, Copenhagen. Oct. 23, 1935, No. 29254. [Class 38 (v)] A switch particularly for a battery lamp comprises a base 1 fitted into the end of the casing 13 of a battery 14. Slidable in the base 1 is a contact pin 2 which can be pushed upwards by means of button 5 and against the action of spring 6, to engage a fixed contact 15, in which position it is held by the engagement of two spring-pressed slides 8 in a groove 3. If the slides 8 are pushed inwards the pin 2 is released to break the circuit and downward movement is limited by a pin 4 resting on one of the slides. If the slides 8 are pushed in further still, a recess 10 comes opposite the pin 4 allowing the pin 2 to be completely withdrawn, and in this position the ends of the slides are free of slots 16 in the casing 13 and the whole switch may be removed.
Patent GB-724645-A (GB)
Title: Train-counting railway signalling system
IPC: B61L1/16
Filed: 1950-11-29
Abstract: 724,645. Railway signalling systems. SOC. TECHNIQUE POUR L'INDUSTRIE NOUVELLE SOC. ANON. STIN. Nov. 29, 1950 [Dec. 9, 1949], No. 29277/50. Class 105. A railway signalling system whereby an entrance signal may be cleared so that succeeding following trains may pass into a section but in which a signal at the other end cannot be cleared for an opposite train until all the first trains have passed through has counting units operated by each operation to initiate the clearing of the signal and by each entry of a train, a comparison relay being energized only when these two counting units agree and only when this relay is energized can the signal be cleared for a following train, the actual clear. ance of the signal requiring that the operation to clear the signal shall have been counted and thus have caused the comparison relay to drop. To clear a signal to permit entry of a train the operator briefly depresses a push SH, Fig. 3, whereby a control relay STR is picked up over a front contact A<SP>1</SP> of a comparison relay A, Fig. 1, which is energized only when wiper contacts KBa and KBb are in the same position. The relay STR then sticks by its contact STR<SP>3</SP> while its contact STR<SP>2</SP>, Fig. 2, energizes the stepping magnet Wa for wiper KBa which by moving to its next position de-energizes the comparison relay A a back contact A<SP>2</SP> of which in conjunction with a front contact STR<SP>1</SP> of the control relay lights the clear signal lamp SL. When the train enters the section it depresses a slow-rise track contact to close a contact SKa, Fig. 2, whereby the stepping magnet Wb for wiper KBb is energized to move wiper KBb to its next position and so again energize the comparison relay A. The depressed track contact also opens a contact SKc, Fig. 3, to drop the control relay STR. The clear signal lamp SL is extinguished by the opening of the back contact A<SP>2</SP> and of the front contact STR<SP>1</SP>. The apparatus is now in its original state, except that wipers KBa, KBb have each advanced one step, and a signal can now be cleared for a following train.
Patent GB-918933-A (GB)
Title: Improvements relating to moulding of reinforced polyester resin articles
Inventor: VIAN ROBIN EDWIN
IPC: A42B3/06
Filed: 1960-08-25
Abstract: A method of moulding a reinforced polyester resin article comprises laying the reinforcing agent (e.g. glass fibre cloth) over a male element or in a female element of a pair of matched moulding elements, bringing the elements together with a space between them corresponding to the thickness of the articles to be moulded, and injecting polyester resin into the space whilst reciprocating the elements relative to each other until the injection is completed when the elements are locked at the required spacing until the resin is set.  In the production of safety helmets a layer of glass cloth honeycomb material is sandwiched between, and bonded to, the reinforced shells made by the above process.
Patent GB-805322-A (GB)
Title: Improvements relating to the preparation of cation-exchange resins
Inventor: KRESSMAN THEODORE ROGER ERNEST
IPC: B01J39/18
Filed: 1955-10-14
Abstract: An insoluble, infusible cation-exchange resin is prepared by reacting under alkaline conditions an aldehyde, resorcinol and a chloracetate. The three starting materials can be reacted together; the m-hydroxy phenoxy acetate made by reacting resorcinol and the chloracetate under alkaline conditions may be reacted with the aldehyde or the condensation product of resorcinol with an aldehyde may be reacted with the chloracetate. In the example a cation exchange resin is prepared by heating a mixture of resorcinol and chloracetic acid previously neutralized with caustic soda whilst, adding aqueous caustic soda, adding further caustic soda and formalin solutions and heating until the reaction mixture thickens.  Specification 598,130, [Group IV], is referred to.
Patent GB-644491-A (GB)
Title: Improvements in or relating to tubular heat exchange apparatus
IPC: F28F1/34
Filed: 1948-11-12
Abstract: 644,491. Tubular heat-exchange elements. HUET, A. Nov. 12, 1948, No. 29440. Convention date, Dec. 16, 1947. Addition to 644,442. Drawings to Specification. [Class 64 (iii)] In the heat-exchange tubes of the parent Specification, the undulations in the fins are aperiodic. The aperiodicity may vary at different points in the length of the fin and the undulations are preferably asymmetric. Undulated portions of a fin may alternate in the length of said fin with unwaved or flat portions. The undulations in any one fin are displaced in relation to those of other fins on the tube and also to those of the fins of neighbouring tubes.
Patent GB-669961-A (GB)
Title: A device for raising liquids by means of air or gas under pressure
IPC: F04F1/06
Filed: 1949-11-18
Abstract: 669,961. Raising liquids by gaseous pressure. LUNTEREN, J. V. Nov. 18, 1949 [Nov. 19, 1948], No. 29629/49. Class 102 (ii) In apparatus for raising liquids by gas pressure, a chamber 1, divided into two compartments 4, 5 is immersed in the liquid and each compartment has an inlet valve 7, 8 and an outlet valve 9, 10 leading to the delivery pipe 2. An air compressor 28 is connected through a regulator 24 and pipes 22, 23 to the compartments and each compartment has a spring-loaded valve 14 so that when the pressure in the pipe is sufficient, the valve is moved against the spring to open the port 20 to admit air to the compartment and when the pressure falls, the valve opens the ports 21, 18 to connect the compartment to atmosphere. The regulator has a connection 29 to the compressor and contains a cylinder 62 in which operates a piston 64 that has a pivotal connection at 66 to a lever 61 pivoted on pin 68. The cylinder 62 has a rotary valve 79 at each end which is loaded by a spring 87 to provide a snap action, and the valves are connected by a link 83 having a gap 85 with which a pin 86 on the lever 61 co-operates to operate the valves alternately to admit air through ports 77 and exhaust through ports 78 and adjustable valve 90 to atmosphere. The lever 61 has a forked end 59 to operate a rotary valve 44 through an arm 57. The valve 44 is loaded by springs 52, 55 to give a snap action and alternately connects the pipes 22, 23 to full gas pressure and a reduced gas pressure existing in chamber 41 which is fitted with a relief valve 42. Several chambers 1 may be arranged in a well and the liquid lifted in stages, hand operated mechanism'being provided for the valves 14 of the chambers other than the lower most so that on starting these valves may be raised so that the appropriate chambers are open to atmosphere.
Patent GB-152951-A (GB)
Title: Improvements in or relating to valves for the scavenging gases of two stroke internal combustion engines
IPC: F01L7/02
Filed: 1920-10-20
Abstract: 152,951. Soc. Anon. des Etablissements Ballot. Oct. 25, 1919, [Convention date]. Valves; valve-gear.- The scavenging gases of a two-stroke-cycle engine are admitted from a pipe 4 through opposite ports 5 in an oscillating cylindrical valve 2 to a passage 6 leading to a series of terminal ports 7 in the cylinder walls. The valve is open at both ends, is balanced as regards the fluid pressure, and is driven by a cross-bar 8 on an oscillating spindle 9.
Patent GB-966013-A (GB)
Title: Inflating apparatus
IPC: B63C9/18
Filed: 1963-07-26
Abstract: 966,013. Inflating apparatus. B. F. GOODRICH CO. July 26, 1963 [Aug. 1, 1962], No. 29767/63. Heading F4P. A device for inflating life-saving apparatus from a compressed gas cartridge 14 comprises an aluminium housing 11 having a longitudinal bore 12 in which is slidably mounted a puncturing member 22 urged to the position shown by a compression spring 24 in which position air in the life-saving apparatus can vent to atmosphere through an outlet 19, a lateral passage 18, the longitudinal bore 12, grooves 27 in the member 22 and a venting passage 33. A lever 32 pivoted to a slotted end portion 11a of the housing 11 has a cam surface 32a, 32b which contacts a protruding end portion 28 of the puncturing member 22 so that operation of the lever moves the member 22 to puncture the cartridge 14 and then allows the member to partially retract under the action of the spring 24. An O-ring sealing element 30 of neoprene, natural or synthetic rubber disposed in an annular groove in the member 22 is positioned to the right of the venting passage 33 when the member 22 is in the puncturing or partially retracted positions and ensures that gas only passes to the outlet 19. A gasket 16 disposed between the housing 11 and the cartridge 14 may be of neoprene, nylon or rubber material.
Patent GB-714235-A (GB)
Title: Magnetometer
IPC: G01R33/038
Filed: 1952-11-25
Abstract: 714,235. Magnetometers. KOULOMZINE, T. Nov. 25, 1952, No. 29848/52. Class 37. A magnetometer for measuring the gradient of the vertical component of the earth's field comprises a magnet 57 assembled with its S pole uppermost in a float 56 supported by weak springs 58, 59 in a liquid 51 whose density is equal to the average density of the float and magnet. The centre of buoyancy b of the float 56 is vertically above the centre of gravity g of the balance system, so that the system is selfaligning when hung by a hook 53. Variations in the gradient of the vertical field cause corresponding movements of the float 56, which may be measured by an index 6I on the float and a graduated scale 60 on the external casing 50, which is transparent.
Patent GB-617556-A (GB)
Title: Improvements in or relating to methods of and apparatus for drying paint, ink or the like on articles
IPC: B05D3/04
Filed: 1946-10-07
Abstract: 617,556. Drying systems. COATES BROS. & CO., Ltd., MATHEWS, A. C. B., and DOCKING, A. Oct. 7, 1946, No. 29850. [Class 34(ii)] In apparatus comprising a drying chamber 3 and a heating chamber 5 with a drying gas circulated by a fan, metal plates or the like 1 carried on an endless conveyor 31 between supports 32 are dried by the passage of the heated drying gas having a velocity exceeding 7 feet per second.
Patent GB-634651-A (GB)
Title: Improvements in automatic electric control circuits
IPC: G05F1/00
Filed: 1946-10-08
Abstract: 634,651. Automatic control systems. BRITISH THOMSON-HOUSTON CO., Ltd., and DYSON, J. Oct. 8, 1946, No. 30032. [Class 38 (iv)] For maintaining at an optimum value a quantity dependent on two variables, each variable is controlled alternately by means responsive to a change in the quantity in such a manner that the quantity is caused to attain and recede from the desired optimum for a predetermined number of adjustments of the operative variable. As shown, an R.F. generator 10 is connected to a load 12 by a waveguide 11. In the event of variation of the impedance of load 12 matching is controlled by a device 13 comprising a quarter wave section of adjustable impedance and a probe of adjustable depth which are operated alternately by a reversible motor M. A pick-up device 18 applies to the grid of a valve V1 a voltage dependent on the power transmitted down the line. After amplification the output is taken from a cathode follower valve V2 to the grid of a triode V4 and cathode of a biassed diode V3 which serve to limit the negative grid potential of triode V4. If the R.F. level in the guide 11 decreases a negative potential is developed on the grid of V4 causing a drop in anode current sufficient to de-energize a relay C. A relay D in parallel with a charged condenser C3 is thereby energized and short circuits the grid of V4 to earth for a sufficient time to allow the motor M to reverse. This reversal is effected by the contacts 2 of relay C which energize a coil A of a selector type switch so as to move the wipers A1, A2 of the switch one notch. A relay B is also slowly energized through a resistance R1, thus breaking the circuit to coil A after the selector has moved. Relay B remains energized until relay C is again operated. Alternate contacts of wiper A1 are connected to a motor reversing device MRR and the second bank A2 has every four alternate notches connected to a drive changeover relay DCO, energization of which causes a solenoid 17 to operate to effect the mechanical change-over of the motor from control of the quarter-wave section to the probe.
Patent GB-948524-A (GB)
Title: Improvements in or relating to metal columns
Inventor: MOUNSDON MAURICE HEWLETT
IPC: E04H12/22
Filed: 1961-07-21
Abstract: 948,524. Making metal columns. GENERAL ELECTRIC CO. Ltd. July 25, 1962 [Aug. 21, 1961], No. 30078/61. Heading B3A. [Also in Division E1] A metal cap 6 and integral collar 8 which in use is welded to the lower half 1 of a lamppost and receives an upper column member is formed by casting, the central aperture being machined to fit the column and being provided with a shoulder 16 to support the column. The collar is partially separated from the cap by making a saw cut 13.
Patent GB-208860-A (GB)
Title: Improvements in weather and like screens for perambulators, bath chairs, motor cars,and other vehicles
IPC: B62B9/14
Filed: 1922-11-03
Abstract: 208,860. Lamport, R. F. Nov. 3, 1922. Wind and like screens or deflectors, for perambulators, motor-cars, and other vehicles, of the roller blind' type provided with a gutter attached to the free end of the blind are characterized by the casing having a narrow slot through which the screen can pass and by the gutter being pivoted to the screen so that it forms a closure for the slot in the casing. The blind a is wound on a spring roller b mounted in a casing c provided with clamps d for attaching to the hood of the vehicle. The free end of the blind a is provided with a gutter h which is attached to the blind by a bar f and is adapted to cover the slot in the casing when the blind is rolled up. The blind may be provided with a celluloid window and the triangular spaces left below the screen may be closed with side-wings. The screen may be made partially or wholly elastic.
Patent GB-282027-A (GB)
Title: Improvements in and relating to labels for bottles, receptacles and the like
IPC: G09F3/04
Filed: 1927-11-09
Abstract: 282,027. Gras, C. Dec. 10, 1926, [Convention date]. Materials, special; securing. -A label, for application to the neck or body of a bottle &c., comprises an elastic, preferably rubber, ring 3, 3<1> having its edges 4, 4<1> reinforced to enhance its grip.
Patent GB-1091567-A (GB)
Title: Expansion joint filler
IPC: E04B1/68
Filed: 1965-07-15
Abstract: 1,091,567. Expansion Joints. E. C. HALLOCK. July 15, 1965 [Sept. 16, 1964], No. 30130/65. Heading E1G. In an expansion joint between structural members 10, 12 which may be covered by terrazzo flooring 14, 16, frame members 18, 20 are secured to the edges of the structural members and are connected by a tongue 70 held captive in an angular slot in the member 18 and slidable in a slotted position 86 of the member 20, the tongue supports a resiliently compressible strip 96. The tongue is reduced in section at the centre to allow a flange on the strip to enter the groove to provide a water seal. The strip 96 may comprise a plurality of superimposed cellular strips. Anchoring strips 30, 32 are secured to the frame members.
Patent GB-301769-A (GB)
Abstract: 301,769. Hooley, L. J., Thomas, J., and Scottish Dyes, Ltd. June 1, 1927. Anthraquinone-acridine sulphonic acids are obtained by heating a-arylaminoanthraquinones and their derivatives, other than those containing a carboxylic acid group or an amino group in the ortho-position to the arylamino group, with sulphuric acid of strength above 90 per cent, or oleum, at temperatures above 130‹ C. In examples : (1) dianilidopurpurin is dissolved in sulphuric acid monohydrate and the temperature raised to 160-170‹ C., and (2) dianilidopurpurin sulphonic acid, obtained by condensing purpurin with aniline (two molecular proportions) and sulphonating in cold 20 per cent oleum, is dissolved in 90 per cent sulphuric acid and the mixture is raised to the boil and immediately cooled again; the products dye wool in bright bluish-red shades. Specifications 7398/01 and 278,417 are referred to.
Patent GB-744530-A (GB)
Title: Improvements in or relating to the method and apparatus for firing blasting charges with a delay period between successive detonations
Inventor: CANCE JAMES CRAIG REID
IPC: F42D1/05
Filed: 1952-11-28
Abstract: 744,530. Blasting minerals. IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 2, 1953. [Nov. 28, 1952], No. 30195/52. Class 68(1) In one side of a D.C. power supply to a blasting charge-firing circuit of the type described in Specification 728,598, which is referred to, is inserted a rotary switch 13, 14, 15, 15<SP>1</SP> 16. The switch is so designed that the period of the electric impulses it feeds to the circuit is the same as the delay period desired between successive detonations and the duration of each impulse is less than the delay period of a delay switch 9<SP>1</SP> but longer than the period of time required to fire a detonator 6<SP>1</SP> and its associated delay switch 9<SP>1</SP>. Specification 744,531 also is referred to.
Patent GB-1000477-A (GB)
Title: Improvements in the production and use of organo nickel complexes, containing phosphorus, arsenic or antimony
IPC: B01J31/18
Filed: 1962-08-07
Abstract: Nickel organo phosphorus, arsenic or antimony compounds of the formulae [(ROa)3X]4Ni, [(ROa)3X]2Ni(XR112)2R1, [R1(R112X)2]2Ni, where each R, R1, R11 is a hydrocarbon radical or an acyl or halogen derivative thereof, X is P, As, Sb, "a" is one or zero, are suitable as catalysts for cyclo-oligerimizing open-chain conjugated diolefins, of which extensive lists are given.  In the example the reaction of butadiene with tetrakis (tri-p-methoxyphenyl-phosphite) nickel to give mainly 1,5-cyclo-octadiene is described. The processes are similar to Specification 971,755.  Specification 971,771 also is referred  Reference has been directed by the Comptroller to Specification 882,400.ALSO:Nickel compounds of one of the formulae [(ROa)3X]4Ni, [(ROa)3X]2Ni (XR112)2R1, or [R1(R112X2)2]2Ni where each R, R1, R11 is a hydrocarbon radical or an acyl or halogen derivative thereof, X is P, As, Sb, and a is one or zero, may be applied to a siliceous surface such as glass and thermally decomposed in a vacuum on a non-oxidizing atmosphere to yield a coating containing metallic nickel. Specifications 971,755 and 971,771 are referred to. Reference has been directed by the Comptroller to Specification 882, 400.ALSO:Nickel compounds of the general formulae [(ROa)3X]4Ni [(ROa)3X]2Ni(XR112)2R1 [R1(R112X)2]2Ni wherein each R, R1, R11 is a hydrocarbon or an acyl or halogen derivative thereof, X is phosphorus, antimony or aresenic, a is one or zero, are made by reacting in an inert atmosphere a nickel compound having a covalency or electrovalency of 2 or 3, especially a nickel salt of an inorganic or carboxylic acid, especially a dihalide, with a ligand of the general formula (ROa)3X, X, R and "a" as above defined in the presence of a reducing agent which may be an organometallic compound including halides and hydrides, a metal hydride, an alkali metal ethoxide, a carbonyl hydride, an organic phosphine or phosphite hydrazine and alkyl derivatives thereof hydrogen or a metallic reducing agent more electropositive than nickel, i.e. lithium, sodium, potassium, magnesium, calcium, barium, cadmium, iron or aluminium. The preferred hydrocarbon radicals R, R1, R11 are an alkyl, aryl, alkaryl, arylalkyl, arylene, alkylene or cycloalkyl.  In the specific examples nickel complexes containing the following ligands have been prepared: triphenylphosphite, tri-(2-chloroethyl) phosphite, tri-p-methoxyphenyl phosphite, tridecyl phosphite and diphenyldecyl phosphite.  Extensive lists of ligands are given in the description and include chlorine, bromine, fluorine, iodine substituents.  Specifications 971,755 and 971,771 are referred to. Reference has been directed by the Comptroller to Specification 882,400.
Patent GB-447753-A (GB)
Title: Improvements in the production of plasters and the like
IPC: C04B24/00
Filed: 1934-10-23
Abstract: Chlorinated naphthalene is incorporated in distempers as an insecticide.  The chlorinated naphthalene is preferably added in the form of an aqueous emulsion.  In an example, a distemper paste adapted to be diluted with water for use, comprises 35 parts of water, 1 of gum arabic, 2 of flour, 45 of zinc oxide, 7 of iron oxide pigment and 10 of an aqueous emulsion containing 24,8 per cent of chlorinated naphthalene.ALSO:Chlorinated naphthalene is incorporated in plaster, distemper, and like materials as an insecticide.  The chlorinated naphthalene is preferably added in the form of an aqueous emulsion.  In an example, 14 volumes of an aqueous emulsion containing 24,8 per cent of chlorinated naphthalene are added to 100 volumes of a 50 per cent slurry of hydrated line.  A plaster is made by adding 300 volumes of sand.  A distemper paste, adapted to be diluted with water for use, comprises 35 parts of water, 1 of gum arabic, 4 of flour, 45 of zinc oxide, 7 of iron oxide pigment and 10 of the chlorinated naphthalene emulsion above.