baber/WOPTO huggingface dataset:
Patent GB-1145756-A (GB)
Title: Improvements in brakes for castors
Inventor: DONKIN JOHN
IPC: B60B33/02
Filed: 1966-10-28
Abstract: 1,145,756. Castors. ARCHIBOLD KENRICK & SONS Ltd. 23 Jan., 1968 [28 Oct., 1966], No. 48341/66 Heading A4U. In a castor, particularly for beds and trolleys, the wheel 21 in normal position of use, is braked by contact with a flange 2 of the member 1 which secures the castor in a housing 18 of the bed &c. A lever 10 for release of the brake has a pivoted foot pedal 13, the lever being pivoted by a link 14 to the member 1, and at 8 to a bush 5 which is guided at 22 for axial sliding in the direction of the castor spindle 4. Downward pressure on the limb 31 of the pedal raises the member 1 relatively to the spindle, the bush being depressed against the action of a spring 3, to disengage the flange 2 from the castor wheel. A spring- urged catch 9 pivoted at 25 on the lever has a hook 26 to engage a pin 27 to retain the castor in unlocked position until released by foot pressure on the limb 32 of the pedal. The castor may include a swivel member which is simultaneously locked by application of the brake. The nut 6 is tightened on the spindle while the bed is empty so that the weight of the occupant compresses the spring to provide resilience when the bed is in use and the shoulder 33 engages the bush 5 in conditions of overload to prevent inadvertent application of the brake.
Patent GB-1535038-A (GB)
Title: Composition comprising compounds containing at least three allyl groups and process for avoiding scorching of ethylene polymer composition
IPC: C08L101/00
Filed: 1975-11-26
Abstract: 1535038 Curing ethylene polymers UNION CARBIDE CORP 26 Nov 1975 [27 Nov 1974] 48541/75 Heading C3P A scorch resistant vulcanizable composition comprises 100 parts by weight of an ethylene polymer, from 0À1 to 5À0 parts by weight of a first peroxide which has a half-life of from 0À5 to 4À5 minutes at from 160 to 200 C. and has the structure wherein R is a substituted or unsubstituted C 2  to C 12 -divalent hydrocarbon radical, R<SP>1</SP> and R<SP>11</SP> are each individually a substituted or unsubstituted C 1  to C 12 -monovalent hydrocarbon radical, and n is 0 or 1; from 0À1 to 2À0 parts by weight of a second peroxide which has a decomposition rate at least from 20 to 100 times slower than that of the first compound and which is either 2,5-dimethyl-2,5-hydroperoxyhexane or a compound having the structure: or wherein R<SP>1</SP> and R<SP>11</SP> are as defined above; and from 0À1 to 5À0 parts by weight of at least one organic compound containing at least three allyl groups. Specified allyl compounds are trialkyl cyanurate (TAC), triallyl phosphate (TAP), triallyl phosphite, triallyl orthoformate and tetra-allyloxyethane. Examples are given in which the compositions cured comprise (a) polyethylene, dicumyl peroxide or 2,5-dimethyl- 2,5-di(tert.butylperoxy) hexane or alpha, alpha<SP>1</SP>- bis(tert.butylperoxy diisopropyl)benzene, together with cumene hydroperoxide and TAC; (b) ethylene-ethyl acrylate or vinyl acetate copolymer, dicumyl peroxide, tert.butyl hydroperoxide and TAC; (c) polyethylene or ethyleneethyl acrylate copolymer, alpha, alpha<SP>1</SP>-bis- (tert.butylperoxy diisopropyl)benzene, tert.- butyl hydroperoxide and TAC; (d) ethylenevinyl acetate copolymer, dicumyl peroxide, tert.butyl hydroperoxide and TAC or TAP; and (e) polyethylene, dicumyl peroxide together with tert.butyl hydroperoxide or cumene hydroperoxide, and TAC.
Patent GB-1170747-A (GB)
Title: Ground Effect Machines
Inventor: TOWNEND LIONEL HENRY
IPC: B60V1/00
Filed: 1965-11-16
Abstract: 1,170,747. Air cushion vehicles. NATIONAL RESEARCH DEVELOPMENT CORP. 16 Feb., 1967 [16 Nov., 1965], No. 48568/65. Heading B7K. An air cushion vehicle has ducting and power means for forming the cushion and effecting propulsion comprising a U-shaped planform duct 41 with air intakes 42, 43 at its forward end and with an upwardly hinging rear portion 44, 45, a jet nozzle (not shown) being formed in the base of the duct for discharge of a gas curtain. A leading intake duct and diffuser 47 is connected to duct 41 by lateral ducts 48, 49 in which are housed respectively fans 50, 51 which supply air to duct 41 and, through outlet 54, to the cushion space. Further fans 55, 56 in ducts 57, 58 draw air from intakes 59, 60 for delivery both to duct 41 through nozzles 61, 62 and to nozzles 63, 64 communicating with the aft part of the cushion. In operation at hover and low speed conditions the four fans supply cushion and curtain forming air with the rear portion 44, 45 lowered but at speeds, but at high speed the cushion is formed by ram air, the portion 44, 45 being raised.
Patent GB-1166676-A (GB)
Title: A Novel Construction of Carry-Cot for Infants
Inventor: GARLICK MARY
IPC: A47D13/02
Filed: 1966-11-01
Abstract: 1,166,676. Carry-cot convertible into a case. M. GARLICK. 1 Nov., 1966 [4 Nov., 1965; 4 March, 1966], No. 48989/66. Heading A4G. [Also in Divisions A5 and B7] A carry-cot comprises a base to which is connected end walls 26 and side walls 15, the base and the side walls being provided with an articulation whereby the cot may be folded upon itself and at least part of the side walls being hinged to the base so that this part may fold over the base. As shown, the base and rigid side wall parts 15 of the cot are contained within a two-layered cover 18 by which the side walls are hinged to the base. The side wall parts are divided at 16 to provide an articulation and are held in the cover 18 by glueing or by stitching 25. The end walls (14) are not contained within the two layers of the cover 18 but are connected to the base by fabric hinges (27) so that they may be folded inside the cot when it is collapsed. The cot is provided with struts 32 so support a canopy 33, with loops 28 for carrying the cot when it is collapsed, and with straps 29 for securing the cot in its collapsed state. The outer layer 20 of the cover lying beneath the base is not secured to the base at the end edges 21 and provides stowage compartments (31) when the cot is collapsed (see Fig. 4, not shown). An alternative embodiment (Figs. 5-7, not shown) able to be collapsed to form a box-like container is formed with two lines of articulation in the base and the side walls are each in three parts (37, 38, 37) to be secured together with press studs. The central part (38) of each side wall is hinged to the base and the remaining parts (37) of the side walls are rigidly joined to the base (34) and to the end walls (40). Loops (43) are provided for carrying the erected cot. A foldable mattress may be provided and the cot may be detachably mounted on a perambulator chassis.
Patent GB-1088247-A (GB)
Title: A mould for making a number of elongated bodies of concrete
IPC: B28B7/24
Filed: 1964-12-02
Abstract: 1,088,247. Moulding concrete. A. E. Q. VANHEZIK. Dec. 2, 1964 [Dec. 4, 1963], No. 49043/64. Heading B5A. Angle-sectioned members of concrete are made in a mould having end members 1, 2 and abutting releasably interconnected side members 3 which locate angle-sectioned partitions to define the moulding cavities. The moulded bodies may be used as partitions for subsequent mouldings.
Patent GB-1356472-A (GB)
Title: Transpiration cooling laminate
IPC: F01D5/18
Filed: 1971-10-22
Abstract: 1356472 Making gas turbine blades BENDIXCORP 22 Oct 1971 [22 Oct 1970] 49274/71 Heading B3A [Also in Division F1] A transpiration cooled laminate, e.g. for turbine blades or shrouding, comprises layers 12, 14, 16 diffusion bonded together. The layer 12 is of porous mesh formed of wound diffusion bonded layers of nickel-chrome alloy wire, or of woven wire. Layer 14 is of high temperature super alloy having openings 18 formed by photoetching or die stamping. Layers 12, 14, 16 are bonded together while still in sheet form and are then shaped to the blade profile before an end cap (28, Fig. 2, not shown) is electron beam welded in position.
Patent GB-1476796-A (GB)
Title: Derivatives of substituted ureas acyl ureas and sulphonyl ureas and a process for producing the same
IPC: C07C239/00
Filed: 1974-11-14
Abstract: 1476796 Acylureas SUCRERIES DU SOISSONNAIS ET COMPAGNIE SUCRIERE 14 Nov 1974 [14 Nov 1973 25 Oct 1974] 49319/74 Heading C2C The invention comprises a process for the production of compounds of the formula in which A represents H or R 1 -X- where X is CO or SO 2  and R 1  is an optionally substituted alkyl, cycloalkyl, aralkyl, alkoxy, aryl or aryloxy group, R 2  is H or an optionally substituted alkyl, cycloalkyl, aralkyl or aryl group and R 3  is H or a secondary or tertiary alkyl group, with the proviso that R 2  and R 3  are not both H, by reacting a compound of the formula A-N(R 2 )-CN with a compound which readily forms a carbonium ion (R 3 <SP>+</SP>) in the presence of a catalyst, or, when R 3  is H, by hydration of the compound of the formula A-N(R 2 )-CN. The invention further comprises the compounds of Formula I disubstituted in position 1.
Patent GB-1372850-A (GB)
Title: Acidic copper electrolytes
IPC: C25D3/38
Filed: 1971-10-25
Abstract: 1372850 Acid copper electrolytes SCHERING A G 25 Oct 1971 [29 Oct 1970] 49386/71 Heading C7B An acidic, aqueous copper electrolyte contains a selenium compound of the formula: in which n = I or 2, R 1  is an aromatic aliphatic, cycloaliphatic, araliphatic or heterocyclic hydrocarbon group containing a sulphonic acid group, and R 2  is either an organic group as listed for R 1 , a cyanide or a sulphonic acid group; or a salt of such compound. Various compounds are listed. The plating bath may comprise copper sulphate and sulphuric acid in which chloride may be present, or copper fluoborate/fluoboric acid. An oxygen containing high molecular weight compound, e.g. polyvinyl alcohol, carboxy methyl cellulose, etc., may also be present in the bath.
Patent GB-1129653-A (GB)
Title: Rotation-convergent device for remote radiation therapy
IPC: A61N5/01
Filed: 1965-11-22
Abstract: 1,129,653. Rotation-convergent radiation therapy apparatus. A. E. ATOVMIAN, K. G. BYUNAU, I. A. DAVYDOVA, L. A. EMELYANOV, A. B. LITVAN and V. K. YAGOLKOVSKY. 22 Nov., 1965, No. 49483/65. Heading H5R. In a radiation therapy apparatus which produces a rotational-convergent movement of the irradiating beam, the radiation head 16 is mounted so that it is rotatable about two mutually perpendicular axes 24 and 25 and also about a third axis that of laterally directed driven swivel drum 2, which axis is parallel to axis 24 but offset from the plane containing axes 24 and 25, the head 16 is mounted opposite counterweight 17 on a parallelogram linkage which is pivoted at 18, 19 the centres of its unoccupied sides the pivots being mounted on the swivel drum 2, and a lever system comprising sector 10 pivoting about point 11, connecting rods 13 and 31 joining sector 10 and parallelogram side 20 through joints 12, 14, 30 and 32 to slide 15 is driven by motor 7 via transmission 8, 9 to oscillate the parallelogram about its pivots, the corresponding lever system of connecting rods 33 and 39 and a cranked slide of two parts 35 and 36 producing a corresponding motion in the radiation head. In order to accommodate the translation movement of the parallelogram and the rotation of the swivel drum about its axis and of the head 16 about axis 24 the slides of the two lever system are made in two portions articulated by joints 28 and 37 which transmit the two types of motion. The two lever systems are arranged so that the cranks are of equal length and the connecting rods form equal angles with the direction of lateral motion of the slides. The swivel drum 2 is rotated by motor 3 through transmission 4 and gears 5 and 6, and the head 16 is preferably rotated about axis 24 by a separate motor 42 acting through gears 43, 44. If desired, the counterweight 17 may be replaced by an absorbing screen 27 on arm 26, which then functions as the counterweight.
Patent GB-1170424-A (GB)
Title: Copolyacetals and Process for their Manufacture
IPC: C08G2/00
Filed: 1966-11-07
Abstract: 1,170,424. Trioxan copolymers. FARBWERKE HOECHST A.G. 7 Nov., 1966 [6 Nov., 1965], No. 49830/66. Heading C3P. Novel copolymers are obtainable by the polymerization of a comonomer mixture comprising (1) 80 to 98% trioxan, (2) 0 to 10% of a cyclic ether or cyclic formal, and (3) 0À05% to 10% of a condensation product of molecular weight 176 to 2000 obtained by condensing (a) 1 mole of 1,2,(5-11) triol, (b) 0 to 1 mole of α-#-diol having a molecular weight of 62 to 1000, (c) 0 to 1 mole of a monohydric alcohol having 1 to 11 carbon atoms and (d) 1 mole of formaldehyde for each 2 moles of OH groups in the mixture of (a), (b) and (c). Cationic catalysts such as Lewis acids and temperatures of - 50 to +100C. are employed in the copolymerization, and solution, suspension or bulk conditions may be used. Conventional stabilization by removal of unstable terminal semi-acetal groups or by the incorporation of heat, light or oxidation stabilizers may be carried out. In the examples (1) trioxan, ethylene oxide and the product obtained by condensing formaldehyde, hexametriol-1,2,6, and n-hexanol are copolymerized using p-nitrophenyldiazonium-fluoroborate as catalyst, and the product hydrolysed, (2) as in (1) but using trioxan and the product obtained by condensing formaldehyde, pentanetriol-1,2,5, and ethyl diglycol as comonomers, (3) as (1) but using trioxan, dioxolan, and the product obtained by condensing formaldehyde, hexanetriol-1,2,6 and polyglycol as comonomers, and (4) as (1) but using trioxan, ethylene oxide, and the product obtained by condensing formaldehyde and 4,7-dioxanonanetriol-1,2,9 as comonomers.
Patent GB-1147346-A (GB)
Title: Process for oxidation of paraxylene
Inventor: LUMBROSO DANIEL
IPC: C07C51/265
Filed: 1966-11-09
Abstract: 1,147,346. Terephthalic acid. INSTITUT FRANCAIS DU PETROLE, DES CARBURANTS ET LUBRIFIANTS. 9 Nov., 1966 [9 Nov., 1965], No. 50286/66. Heading C2C. Terephthalic acid is made by a process comprising (1) passing molecular oxygen at 80-125‹ C. into a mixture of p-xylene and ptoluic acid containing 0À5-4% of p-xylene, the mixture being dissolved in an aliphatic carboxylic acid containing a heavy-metal oxidation catalyst, (2) introducing p-xylene into the mixture to maintain the relative concentrations of p-xylene and p-toluic acid within the limits stated above, (3) passing the mixture to a second reaction stage in which further oxidation with molecular oxygen is effected at 130-200‹ C. and (4) isolating terephthalic acid from the mixture leaving the second reaction stage. The aliphatic carboxylic acid in the reaction mixture may be acetic acid, and the catalyst may be a salt of cobalt or manganese. The process may be effected under a pressure of 2-30 kg. per sq. cm. Known initiators, e.g. olefines, ethers, ketones, aldehydes or peroxides, may be included in the reaction mixture. Examples are given.
Patent GB-1492572-A (GB)
Title: Nuclear fuel pellets and methods of making them
IPC: H05H1/22
Filed: 1974-11-21
Abstract: 1492572 Thermonuclear fusion FMS FUSION Inc 21 Nov 1974 50599/74 Heading G6P A thermonuclear fuel pellet for use in a laser fusion process comprises a hollow glass, ceramic, metal, or plastics microsphere containing thermonuclear fuel in the form of at least one hydrogen isotope. Preferably the pressure in the microsphere at room temperature is from 10 to 100 atmospheres. Hollow high-silica glass microspheres may be formed by passing a gas stream containing pulverized glass through a hot zone. A selected size range of these microspheres is heated under pressure with deuterium or a mixture of deuterium and tritium. After a period during which the gas diffuses into the interior of the microspheres, the temperature is lowered and the pressure reduced. The filled microspheres may be coated with a lead or bismuth glass, a soda-lime glass, copper, or aluminium. The fuel pellets may be stored at low temperature. On cooling in liquid nitrogen, CO 2  and H 2 O impurities form a solid layer on the inner surface of the microspheres, and at a lower temperature, the hydrogen isotopes themselves solidify in the same way.
Patent GB-1060119-A (GB)
Title: Centrifugal fans
IPC: F04D29/66
Filed: 1964-12-15
Abstract: 1,060,119. Centrifugal fans; silencing gaseous flow. WESTINGHOUSE ELECTRIC CORPORATION. Dec. 15, 1964 [Dec. 31, 1963], No. 51021/64. Headings F1B and F1C. In a centrifugal fan having a cut-off 20 arranged to partially close that part of the outlet which indirectly receives the rotor discharge, a fairing 30 is arranged in the outlet passage to reduce turbulence and noise. The fairing protrudes from wall 31 an amount substantially corresponding to that of the cut-off, and preferably extends the full width of the wall. The outer cover 38 of the fairing is perforated and encloses sound absorbing material 39, such as fibre glass.
Patent GB-1241808-A (GB)
Title: Flame-resistant polyester compositions
Inventor: MCADAM BRIAN WILLIAM
IPC: C08K5/02
Filed: 1968-10-28
Abstract: 1,241,808. Laminates. IMPERIAL CHEMICAL INDUSTRIES Ltd. 29 Sept., 1969 [28 Oct., 1968], No. 51089/68. Heading B5N. [Also in Division C3] Glass fibre laminates are prepared using a flame-resistant polyester resin composition which comprises an unsaturated polyester resin and as co-operatively acting frame-suppressing agents therefor (a) 2-15% of halogenated paraffinic hydrocarbons containing 7-30 carbon atoms per molecule, 30-70% by weight average of bromine and 0-5% weight average of chlorine; (b) 10-20% of halogenated paraffinic hydrocarbons containing 7-30 carbon atoms per molecule and 50-75% by weight average of chlorine; and (c) 2À5-15% of antimony oxide, the percentages of the flamesuppressing agents (a), (b) and (c) being calculated on the combined weights of (a), (b), (c) and the polyester resin.
Patent GB-1022504-A (GB)
Title: Animal feeding apparatus
IPC: A01K5/02
Filed: 1963-12-31
Abstract: 1,022,504. Animal feeding appliances. R. E. MONTAGUE. Dec. 31, 1964 [Dec. 31, 1963], No. 51411/63. Heading A1M. Animal feeding apparatus comprises a hopper 1 having a number of outlets closed by pivotal slats 2 which are opened in sequence at predetermined times to dispense food into feeding troughs. The slats 2 have secured to them members 4 formed with a stop 5 and an abutment 6 the stop 5 of one member 4 engaging in the abutment 6 of the adjacent member 4 when the slats are closed. A block 7 is initially located beneath the end slat 2 thereby holding it closed, the remaining slats 2 being held closed by the interengagement of the tops 5 and abutments 6. The block 7 is then moved along guide rail 12 by means of draw wire 8 wound on a drum 9 operated by a ratchet mechanism, the slats 2 dropping under gravity as the block 7 is drawn along. The ratchet mechanism is controlled by a solenoid 11 operated through a time switch. To close the slats the block 7 is returned to its initial position by means of handle 14 or alternatively the drive mechanism for the draw wire may be reversible. In a modification the block 7 is arranged above the members 4 and a second member is provided beneath the slats for returning them to their closed positions.
Patent GB-1262657-A (GB)
Title: Improvements relating to water heating systems
Inventor: WRIGHT ARTHUR WILLIAM
IPC: F24D17/00
Filed: 1968-11-02
Abstract: 1,262,657. Central heating systems. COMPRESSION JOINTS Ltd. 22 Jan., 1970 [2 Nov., 1968], No. 52032/68. Headings F4A and F4U. A water and/or central heating unit 30, Fig. 2, comprises a water supply tank 31 having a feed water cistern 12, an insulated hot water cistern 33 housing a heat exchanger 36 for indirect heating of the water therein and a boiler 37 which is connected by a riser duct 17 to a header tank or terminal manifold 11 mounted on a level with the cistern 12 and having an inlet duct 13, Fig. 1, opening into the cistern. A one-way self-closing valve formed as a flat disc 18 seating on an annular rim 19 surrounding a central aperture of a fixed plate 16 towards the lower end of the tank 11 allows unobstructed flow from the riser duet into the tank under pressure and a small aperture 20 in the disc permits weep flow from the tank into the riser duct when the valve is closed.
Patent GB-1115144-A (GB)
Title: Directional hydraulic control valve
IPC: F15B13/01
Filed: 1966-11-22
Abstract: 1, 115, 144. Hydraulic control circuits. RACINE HYDRAULICS & MACHINERY Inc. Nov. 22, 1966 [Jan. 5, 1966], No. 52256/ 66. Heading F1P. The body 10 of a spool valve for controlling the supply of hydraulic fluid to an exhaust from opposite ends of a double-acting motor 19 has first and second axially spaced lateral flow paths 27, 70 extending from the valve bore 11 to control parts 16,13 and each flow path 25, 70 has two parallel branches 27, 35 and 71, 75 of which branches 27, 71 have check valves 29, 72 opening towards its associated control port 16,15 and each branch 35, 75 has a relief valve 40, 76 which is spring-loaded to its closed postion towards its associated control port but which is opened by fluid pressure admitted to the cylinder space behind a piston 51, 80 integral with the relief valve poppet 41 from the flow path 25 or 70 not associated with the relief valve being opened. In operation and on moving the valve spool 90 to the left pressure fluid admitted to a part 12 flows through path 25, branch 27, past valve 29 and through port 16 to the underside of motor piston whilst exhause fluid from the other side of the motor piston flows through port 15, branch 75, past relief valve 76 which is held open by supply pressure admitted from path 25 through passage 77 and through path 70 to an axhaust port 13. On returning the valve spool 90 to neutral, paths 25, 70 are connected to exhaust ports 13, 14 respectively and relief valve 76 closes but may open momentarily to relieve a shock pressure in the motor.
Patent GB-1461130-A (GB)
Title: Carburetor float bowl venting arrangement
IPC: F02M5/08
Filed: 1974-12-04
Abstract: 1461130 Spray carburetters FORD MOTOR CO Ltd 4 Dec 1974 [7 Dec 1973] 52349/74 Heading F1H A float chamber vent 38 is closed when an associated engine is inoperative by a spring-biased valve 46. The valve is operated by a diaphragm 58 subject to the vacuum downstream of the throttle valve 24 or the vacuum at a port in the induction passage 12 which is upstream of the throttle valve at idling. The valve 46 is opened or maintained open by a lever 122 which engages the valve projection 48 when the valve 24 is opened beyond a predetermined angle such that the accelerator pump plunger 90 is depressed. The air inlet 42 leading to the vent 38 is connected to the clean side of an air filter.
Patent GB-524089-A (GB)
Abstract: 524,089. Electrostatic meters. SCHROEDER, R. Jan. 21, 1939, No. 2143. Convention date, Jan. 22, 1938. [Class 37] In an electrostatic voltmeter having an electrode b movable about a horizontal axis d, the centre of gravity c is off the axis and is so located that gravitational force co-operates with the electrostatic force between the movable electrode b and a fixed electrode a. A restoring force is provided by mounting the electrode b on a ribbon suspension, or it may be pivoted to a restoring spring used. The restoring means are capable of returning the movable part to its inoperative position over the whole range of movement. The electrode a also may be mounted for movement about a horizontal axis. In order to modify the scale the electrode a may be so arranged that it is not co-axial with the movable electrode b, as shown in Figs. 2 and 3.