baber/WOPTO huggingface dataset:
Patent GB-1171657-A (GB)
Title: Moulding compositions for the production of foamed articles
IPC: C08J9/00
Filed: 1967-02-24
Abstract: 1,171,657. Expandable polymer compositions. BADISCHE ANILIN- & SODA-FABRIK A.G. 24 Feb., 1967 [25 Feb., 1966], No. 8901/67. Headings C3C and C3P. A composition comprises an expandable " styrene polymer " (as hereinafter defined) containing in homogenous distribution an expanding agent and from 0.001 to 0.1% by weight of the " styrene polymer " of a brominated aliphatic and/or cycloaliphatic organic compound other than a brominated polymer of a 1,3-diene, having a molecular weight of from 250 to 500,000 and a bromine content of from 30 to 95% by weight, the number of bromine atoms contained in the molecule being at least 3. The brominated organic compounds may be either liquid or solid, have a B.P. of more than 100‹ C. at atmospheric pressure and may be bromoform, 1,1,2,2-tetrabromo-ethane, 1,2,3,4,5,6 - hexabromocyclohexane, tris - 2,3- dibromopropylphosphate and N,N<SP>1</SP>,N<SP>11</SP> - tris- (2,3 - dibromopropionyl) - trimethylene triamine. A " styrene polymer " means a normally solid polymer of unsubstituted styrene or a substituted styrene such as vinyl toluene, vinylxylene, ar-isopropenylstyrene, ar-tert-butyl. styrene and a-methylstyrene and mixtures of these monomers with one another and/or with styrene, and also includes well-known addition copolymers of styrene or substituted styrenes with less than 50% by weight of at least one other readily polymerizable olefinically unsaturated compound having a vinyl group, e.g. α-methylstyrene, nuclear chlorinated styrene, methacrylonitrile, acrylonitrile, esters of acrylic and methacrylic acid and alkanols having 1-8C, vinyl pyridine, N-vinyl carbazole and butadiene. Preferred foaming agents are gaseous or liquid organic compounds which do not dissolve the " styrene polymer " and whose B.P. is lower than the softening point of the polymer. Suitable ones are saturated aliphatic or cycloaliphatic hydrocarbons having 3 to 7C, e.g. propane, butane, pentane, cyclopentane, hexane, cyclohexane or petroleum ether, or halohydrocarbons, preferably chlorohydrocarbons and fluorohydrocarbons having 1-6C such as dichlorodifluoromethane and trifluorochloromethane. The composition may contain impact-resistant styrene polymers and additives such as plasticizers, lubricants, stabilizers, dyes or fillers. The moulding materials are in particulate form, e.g. beads, cylindrical granules or lumps. They may be made either by polymerizing monomeric styrene with or without other monomers in the presence of an expanding agent and the bromine compounds or by polymerizing styrene in aqueous suspension and adding the bromine compounds with or without the expanding agent, during polymerization at a point when the particles no longer divide. They are heated in molds which are not gastight when closed, thus causing the particles to expand and fuse together to form articles whose dimensions correspond to those of the mold's internal cavity.
Patent GB-1436035-A (GB)
Title: Seat belt retractor
IPC: B60R22/405
Filed: 1974-02-27
Abstract: 1436035 Inertial safety belts ALLIED CHEMICAL CORP 27 Feb 1974 [27 March 1973] 8917/74 Heading A3V In a seat belt retractor two independent ways are provided for locking a pawl in a ratchet on the shaft carrying the belt. In one method, when a pendulum 15 on the end of rod 23 tilts due to acceleration or deceleration of the actuator, a disc 24 on the rod 23 tilts and raises an arm 27 which raises a lobe 29 on the pawl 19 to cause the pawl to engage the ratchet 21 (which is on the other side of the wall 1). In the other method excessive rotational acceleration of the shaft 4 carrying the belt causes a plate 5 to rotate about the shaft 4 and an arm 6 on the plate moves a knob 16 on the pawl to cause the pawl to engage the ratchet. When the shaft is rotated slowly a cog 7 on the shaft engaged with a cog 12 fixed to an inertial wheel 9 causes the inertial wheel to rotate about a spindle 11 journalled in the plate 5. If the shaft is accelerated too quickly the inertial wheel is slow in responding and the plate 5 moves. The sensitivity can be varied by altering the biasing spring 13. Modifications of the shape and position of the pawl are described (Fig. 5) and the arm may embrace the knob 16 on both sides (Fig. 4) so that the lever 27 has to move the pawl against the force of spring 13, thus reducing the sensitivity of the device.
Patent GB-552551-A (GB)
Title: Improvements in and relating to the manufacture of aromatic products from light olefins
IPC: C07C15/00
Filed: 1940-07-12
Abstract: 552,551. Conversion of light olefins into aromatic compounds. WEIZMANN, C. July 12, 1940, No. 8962. Convention date, Jan. 17, 1940. [Class 2 (iii)] Light olefins having from two to five carbon atoms are transformed into aromatic compounds by passage over the oxides of zirconium, hafnium, thorium, cerium or of the rare earths within the temperature range 600-800‹ C. at about atmospheric pressure. The preferred olefins are either pure butylene or impure gas obtained in cracking mineral oils, in which case the reaction is carried out at a temperature of about 600‹ C. When propylene is the olefins used, the reaction temperature is about 700‹ C. In examples (1) pure butylene is passed at a temperature of 600‹ C. over cerium oxide at atmospheric pressure at a space velocity of from 0.1 to 0.5 litres of gas per hour per litre of catalyst volume. The product consists of benzene, naphthalene, ethylbenzene and styrene. (2) Propylene is treated as in example (1) except that the reaction temperature is 700‹ C.
Patent GB-663528-A (GB)
Title: Improvements in and relating to electrical ignition systems
Inventor: DEBENHAM WILLIAM RICHARD
IPC: F02P15/00
Filed: 1948-03-30
Abstract: 663,528. Ignition systems; sparking plugs. NATIONAL RESEARCH DEVELOPMENT CORPORATION. April 30, 1949 [March 30, 1948 ; April 8, 1948 ; May 27, 1948; July 5, 1948], Nos. 9025/48, 9849/48, 14390/48 and 18034/48. Class 7(iv) [Also in Group XXXV] Electrical ignition apparatus for use in gas turbines or jet-engines, cabin heaters, flame warfare and like apparatus, and fog dispersal apparatus comprises a condenser 13, Fig. 1, which is connected in a charging circuit to be charged continuously from direct current generating means 11 and in a discharge circuit which includes a spark plug 15 of surface discharge type to supply energy automatically to the plug 15 when a two electrode discharging spark gap 14 is broken down. Several units as shown in Fig. 1 may be connected via a corresponding series resistance 18, 18a, 18b &c. to a common _d.c. generator 11, and a switch Sl may be provided for successive connection of the units to the generator 11. A further switch S2 may be provided for connecting different spark plug circuits into the discharge circuit of the condenser 13. In the modified apparatus shown in Fig. 2. a condenser 21 is charged from the secondary winding 12 of an induction coil through a spark gap 22, and discharges through the spark gap 14 and the primary winding 19 of a step-up transformer to initiate the discharge of the condenser 13 through the secondary winding 20 via an isolating spark gap 23. A condenser 25 in series with a resistance 26 are connected across the spark gap 23 and effect an early suppression of the latter. The positions of the spark gap 14 and the condenser 21 may be interchanged. In an alternative construction the condenser 25 and resistance 26 are omitted, and the spark gap 23 in series with. the condenser 13 are connected across the secondary winding 20. The surface discharge type spark plug 15 may have a solid inner electrode 51, Fig. 4, between which and a hollow outer electrode 52, superposed layers of mica 53 are held tightly together under substantial pressure. The end faces of the parts 51, 52, 53 are substantially fiush, and a semi-conductive path at the end surface of the mica body 53 is provided by a deposit of carbon formed by burning colloidal graphite. The mica may alternatively be replaced by ceramic material not necessarily held under pressure. The second Provisional Specification refers to Specifications 663,527 and 665,528, [Group III].
Patent GB-542241-A (GB)
Title: Loop antenna circuits
IPC: H03H2/00
Filed: 1940-05-23
Abstract: 542,241. Wireless receiving systems; aerials. PHILCO RADIO & TELEVISION CORPORATION. May 23, 1940, No. 9128. Convention date, June 17, 1939. [Class 40 (v)] An inductance coil 6 of high Q is inserted between the broadcast-receiver 4 and a loop antenna 1, the number of turns in the loop being reduced to compensate for the addition of the inductance of the coil ; in this way the effect of the distributed capacity of the loop 1 is reduced, and a wider range of tuning can be obtained for a given ratio of maximum to minimum capacity, and therefore for a given size, of the tuning condenser 3. The loop 1 preferably has a screening coil 2 of the kind described in Specification 541,905. If a short-wave loop aerial 8 and a wave-range switch S are provided, the reduction in the magnitude of the common tuning condenser 3, which is permitted by the invention for a given range of tuning, enables a larger short-wave loop 8 to be used. The outermost turn of the loop 1 is earthed, so having the greater capacity to earth, while the innermost turn is connected to the receiver. Instead of the variable condenser 3, a set of preset condensers with push-button tuning may be employed. Specification 541,867 also is referred to.
Patent GB-781111-A (GB)
Title: Improvements in or relating to record card feeding devices
Inventor: WRIGHT THOMAS OLIVER
IPC: G06K13/103
Filed: 1955-03-29
Abstract: 781,111. Feeding sheets &c. BRITISH TABULATING MACHINE CO., Ltd. Jan. 12, 1956 [March 29, 1955], No. 9137/55. Class 100(1) In apparatus wherein record cards (not shown) are separated one by one from the bottom of a pile in a magazine 1-4 by means such as a friction roller 5, the cards passing from the magazine through a throat formed between the base 1 and end plate 4, a weighted presser-plate 10 which rests on the top of the pile is provided with an extension plate 12 which extends between the two end plates 3 beyond the pile and is provided with two adjusting- screws 13. When the pile of cards is nearly depleted, the ends of the screws 13 contact the base 1 and the weighted plate 10 bears more heavily on the front of the pile to ensure that the remaining cards pass through the throat of the magazine. The front of the plate 10 may have a projection 11. The cards are separated frictionally by a roller 5 secured to a shaft 6 driven through a one-revolution clutch, and the line of contact of the roller with the bottom card is behind the centre of the magazine. Holes in the periphery of the roller 5 hold grommets 7 of plasticized polyvinyl chloride which provide friction pads. Specification 695,083 [Group XIX] is referred to.
Patent GB-999262-A (GB)
Title: Composition of nylon and polytetrafluoroethylene
IPC: C08G69/18
Filed: 1962-03-09
Abstract: A process for the preparation of a load bearing material having a coefficient of friction comprises adding to a monomeric lactam at least 1/4 % by weight of finely divided polytetrafluoroethylene, uniformly dispersing said polytetrafluoroethylene throughout the lactam, and polymerizing said lactam below the melting point of the resultant polylactam in the presence of a conventional catalyst and promoter while said polytetrafluoroethylene is uniformly held in suspension. Specified catalysts are the alkali and alkaline earth metals and compounds thereof.  Specified promoters are N : N-diacyl compounds, ureas and isocyanates.  Molecular weight regulators, e.g. amines having at least one hydrogen atom may be present in the reaction mixtures.  The examples describe the polymerization of e -caprolactam in the presence of sodium hydride, a diisocyanate and amounts of polytetrafluoroethylene ranging from 1/4 to 20% by weight Specification 872,328 is referred to.
Patent GB-1171396-A (GB)
Title: Gift Device for Carrying a Gift
Inventor: JONES COLIN RODERICK
IPC: B65D75/52
Filed: 1967-02-27
Abstract: 1,171,396. Cracker. C. R. JONES. 22 Feb., 1968 [27 Feb., 1967], No. 9251/67. Heading A6S. [Also in Division B8] A gift package or cracker comprises a box 2, 3 or a base to support a gift, Fig. 2 (not shown) enveloped in a representation of a doll, &c., and has draw strings 7. As shown, an explosive cracker 8 is operated by 4 drawstrings 7 to blow open a soft panel 9 in the box 2, 3. Alternatively, drawstrings 7 may extend into the container to burst it apart when they are pulled. In another embodiment gifts (10), Fig. 2 (not shown) and drawstrings (12) are lightly attached to a base supporting the doll &c., 5 and are withdrawn by pulling the drawstrings, which may be associated with explosive crackers (16). The representation of the doll may alternatively be a motor vehicle, railway locomotive, rocket &c.
Patent GB-581640-A (GB)
Title: Improvements in and relating to safety systems for tap changing devices
IPC: H01H9/00
Filed: 1943-06-10
Abstract: 581,640. Locking switches. BRITISH THOMSON-HOUSTON CO., Ltd. June 10, 1943, No. 9328. Convention date, June 13, 1942. [Class 38 (v)] A tap-changing switch 11 can only be operated when a circuit-breaker 16 is in the open position. The switch 11 is operated by turning a shaft 13 either by hand at 26 or by a motor 22 and one revolution of the shaft 13 corresponds to movement from one tap to the next. The shaft 13 carries a disc 27 with a notch 28 normally engaged by a plunger 29 to prevent operation of the tap changer and the plunger 29 can be raised only by operation of a lock 34 or by energization of a solenoid 32. The key of the lock is normally held fast in a lock 33 and can only be removed by turning the key so that the bolt 36 moves to the right and this is prevented by a block 37 when the switch 16 is closed. To energize the solenoid 32 a push 25 is depressed but this has no effect unless contacts 21 are also closed which only occurs when the switch 16 is open. When the shaft 13 is unlocked by raising of the plunger 29 contacts 42 are opened thereby preventing closing of the switch 16 by means of a push button switch 41.
Patent GB-342587-A (GB)
Title: Rudder arrangements for ships
IPC: B63H25/38
Filed: 1930-03-24
Abstract: 342,587. Ships' rudders. SCHULTZ, O., 1, Paulsplatz, Hamburg, Germany. March 24, 1930, No. 9332. Convention date, Aug. 3, 1929. [Class 114.] For facilitating shipping and unshipping rudders the after part of the ship is provided with an adjustable piece a which may be shifted rearwardly for getting at the rudder. At the same time the steering wheel i is provided with a slot h which in its mid. ships position.registers with the space in the hull which the rudder or substitute rudder may be passed. The rudder spindle is adapted to be guided in a vertical tube having projections u so that in the event of the stock breaking, gaps in the rudder line up with the projections and the rudder falls clear. For moving the wedge, a rack b and pinion is employed, and on the spindle of the pinion is a cam c which can be locked by a finger e in the extreme position. The chain wheel i has a slot l with which registers a key k on the rudder spindle.
Patent GB-733104-A (GB)
Title: Heat pumps and refrigerators
Inventor: BENNETT ALEC RAYMOND
IPC: F25B3/00
Filed: 1953-04-07
Abstract: 733,104. Refrigerating; heat pumps. RADIATION, Ltd. April 7, 1954 [April 7, 1953], No. 9348/53. Class 29. A refrigerating machine or heat pump comprises a rotor having passages in which a non-condensing gaseous medium, e.g. air, circulates so that it takes up heat from a low grade heat source, e.g. air, water or brine, flowing through an axial duct c, passes to the periphery of the rotor through passages e while being compressed, and therefore heated, by centrifugal force and gives up heat to the medium to be heated at the rotor periphery h. It then flows back to the axis of the rotor through passages f while undergoing expansion. At the axis it passes through an annular passage b containing fins d fixed to the duct c and an axial flow fan p fixed to the rotor. All surfaces of the rotor except the periphery h are insulated and the rotor, driven through a sleeve m from pulley a, is mounted on ball races o. The periphery h may heat the ambient air directly or, as shown, it is surrounded by a housing q, r provided with inlet and outlet pipes s, t for the ambient air. To reduce air turbulence in the housing, an idling rotor v, w mounted on ball races x is located between the rotor and the housing. In this case the periphery h of the rotor, and the part g may be omitted. When used for refrigeration, the medium passing through duct c may then pass through coils in the space to be refrigerated. To ensure a high pressure at the periphery of the rotor, the low pressure side of the system may be vented to the atmosphere. According to the Provisional Specification, the rotor may be immersed in a liquid to be heated and a further fan may be fixed to the axial duct.
Patent GB-859923-A (GB)
Title: Improvements in or relating to tape-feeding apparatus
Inventor: CANNINGS FREDERICK GEORGE
IPC: G11B15/58
Filed: 1958-03-24
Abstract: 859,923. Magnetic recording &c. apparatus. INTERNATIONAL COMPUTERS & TABULATORS Ltd. Feb. 16, 1959 [March 24, 1958; May 30, 1958], Nos. 9363/58 and 17444/58. Class 40 (2). [Also in Groups XVI and XXXV] A reservoir in which tape can be formed into a loop from which the tape can be withdrawn in either of two opposite directions, comprises a first channel to and from which tape can be fed, a second channel communicating with the first channel and into which tape is turned when the loop is of sufficient length, and conduit connections adapted for connection with a source of negative air pressure and communicating with the channels in a manner such as to permit a tape loop to be drawn by suction lengthwise through the first channel, to be turned into the second channel, and to be drawn by suction lengthwise along the second channel. As shown, the reservoir comprises channels 4 and 5 formed by a partition 8 and baffle 10 within walls 6, 7, 13 and 14. A spool 1, carrying a supply of tape T, e.g. magnetic tape, can be driven in opposite directions to wind or unwind tape by a reversible electric motor 21 which is normally de-energized. Should the loop reach position T1 a pressure-responsive switch 22 is operated to open contacts 25, 26 and close contacts 24, 25 thereby causing energization of motor 21 to effect feeding of more tape into the reservoir. Similarly, should the loop rise above an aperture 33 for a pressure-responsive switch 23, the motor 21 is energized to cause tape rewind. Thus, the tape length in the reservoir is maintained substantially constant in length. Should however a fault occur and the tape reach position T 3  or T 4  a limit switch is opened to deenergize a solenoid 47 which opens normally closed motor contacts 48. Negative air pressure is applied to the reservoir through connections 15, 16. A freely rotatable roller is located at the lower end of the partition 8 to guide the loop into the second channel. In a modification, Fig. 3 (not shown), of the drawings accompanying the first Provisional Specification the two channels are disposed at rightangles to one another. Photo-electric cells may replace the pressure-responsive switches 22, 23, if desired, for controlling the loop length.
Patent GB-1494724-A (GB)
Title: Process for drying water-containing soot
IPC: C10B57/10
Filed: 1976-03-09
Abstract: 1494724 Drying water-containing soot VERKAUFSGESELLSCHAFT FUR TEERERZEUGNISSE (VFT) mbH 9 March 1976 [13 March 1975] 9372/76 Heading C1A [Also in Division C5] A flowing, water-containing soot is dried by firstly partially drying the soot to a water content of from 5 to 20 wt. per cent by means of a concurrent flow of hot gas having a temperature of from 450 to 750 C. and then coking the partially dried soot. The coke obtained may be used for the production of graphite. The soot to be dried may be in the form of a slurry or paste or water-containing pellets. The gas used for drying may be a flue gas. The soot may be dried in a drier consisting of an air-tight steel shell, whose lower half is fitted with one or two centrifugal shafts on which are mounted paddles. These shafts extend the length of the dryer and continually swirl and disperse the material up and in to the gas stream as the material moves through the drier in the direction of gas flow. Ground coal tar hard pitch, ground petroleum pitch or bitumen may be mixed with, or coal tar soft pitch may be sprayed on to, the partially dried soot prior to coking.
Patent GB-149647-A (GB)
Title: Device for bringing gases or vapours and liquids into intimate contact
IPC: B01F3/04
Filed: 1920-03-31
Abstract: 149,647. Schmiedel, T. March 31, 1920. Rotary apparatus.-A rapidly rotating roller or drum f in contact with or only slightly immersed in a liquid b draws gas entering the chamber by a pipe d into the liquid by adhesion alone, and at the same time draws out on its surface by adhesion alone adherent liquid, which is projected as fine spray. In order to force almost all the gas to pass under the drum, a space only sufficient for the free action of the drum is left between the cover c', Fig. 3, and the drum, and a partition k is provided to prevent the gas from reaching the outlet e<1> except by passing under the drum. The substantially smooth surface of the drum may be slightly roughened or faced with fabric to increase adhesion of the liquid, but not sufficiently to beat it up.
Patent GB-454376-A (GB)
Title: Improvements in or relating to liquid fuels
IPC: C10L1/18
Filed: 1935-03-26
Abstract: Motor fuel consists of petrol, paraffin oil, heavy oil, alcohol, or mixtures thereof, and a little fish-liver oil. Suitably, 1 oz. of cod-liver, seal-liver, or shark-liver oil is added to 2 gallons of petrol.  The liver oil may be sold mixed with an equal vol. of petrol or other fuel, and added to the fuel in the tank as desired. Specifications 114,411 and 308,610, [both in Class 91], are referred to.
Patent GB-199355-A (GB)
Title: Improved process and apparatus for the rapid and economical washing and drying of bobbins of artificial silk
IPC: D01D10/04
Filed: 1923-04-06
Abstract: 199,355. Pinel, A. June 16, 1922, [Convention date]. Circulating or passing materials through fluids and fluid-applying apparatus.-A washing process, for application more particularly to bobbins of artificial silk, consists in subjecting the material to repeated washings of short duration interspersed with centrifugal dryings. During the washing operations the material may be slowly moving or stationary, and in the first case it is preferred that the washing should be continued with the material at rest in order that the washing water may more perfectly impregnate the material. Apparatus for the process comprises a disc wheel 3 mounted on a shaft 2 and provided with pairs of projecting spindles 4 on which bobbins 5 are mounted, being held by catches 6. The disc is driven by an electric motor 9 at high speed during the drying operation through belt gearing 10, and at low speed during washing by the reduction gearing 12, 13, 14. Water is projected on to the bobbins by spray pipes 7.