baber/WOPTO huggingface dataset:
Patent GB-1325406-A (GB)
Title: Macrocyclic compounds
IPC: C07D327/00
Filed: 1971-11-26
Abstract: 1325406 Macrocyctic compounds E I DU PONT DE NEMOURS & CO 26 Nov 1971 [27 Nov 1970] 55098/71 Heading C2C Macrocyclic polyethers having a ring of 9 to 60 ring atoms, said ring containing carbon and hetero atoms selected from oxygen, sulphur and nitrogen are prepared by mixing about equimolar proportions of a glycol of the formula H(ZX 1 ) a (W) b -(Z) g -(X 2 Z) e -H and a disulphonate of the formula X 1 , X 2 , X 3  and X 4  being independently 1,2 - phenylene, C 1 -C 4  alkyl substituted 1,2- phenylene, 1,2 - cyclohexylene, C 1 -C 4  alkyl substituted cyclohexylene with the proviso that X 1 , X 2 , X 3  and X 4  are not 1,2-phenylene or substituted 1,2-phenylene when joined to Y-SO 2 -Z-; R, R<SP>1</SP>, R 1  to R 4  being independently selected from H and C 1 -C 4  alkyl; Y being C 6 -C 14  aryl, C 7  to C 18  alkaryl, or R<SP>11</SP>CH 2 - where R<SP>11</SP> is H or C 1  to C 17  alkyl; W being where each G is independently a N protecting group which is stable to base; Z being O or S with the proviso that Z must be O when joined to Y-SO 2 - or H-; a, d and f being integers greater than zero selected in accordance with desired ring size, c being zero or an integer greater than zero selected in accordance with desired ring size ; b and g being 0 or 1 such that b+g=1; and e and h being 0 or 1 such that e + h = 1 in a polar aprotic solvent in the presence of a base. The base may be a hydride, hydroxide or alkoxide wherein the cation is NH 4 <SP>+</SP>, -NH 3 <SP>+</SP> or a cation of Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba, Cu, Ag, Pb, Zn, Cd, Hg, La, Tl, Au or Ce. Preferred glycols are ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, penta ethylene glycol, 1,2-propane diol, thiodiglycol, 1,2-cyclohexane diol, N-trityl diethanolamine, the bis-(beta-hydroxyethyl ether) of catechol and the bis-(beta-hydroxyethyl ether) of 1,2-cyclohexane diol. Disulphonates preferably ditosoylates used may be prepared from the above glycols. Solvents used include DMS, DMF, THF, dimethyl ether of diethylene glycol and diethyl ether. Examples describe the preparation of 1,4,7,10,13,16,19-heptaoxacycloheneicosane, 1,4,7,10,13,16 - hexaoxacyclohexadecane and N trityl-1-aza-4,7,10,13,16- pentaoxacyclohexadecane
Patent GB-1132350-A (GB)
Title: Automatic engine-speed control device operable with the control of reversing gear for marine propulsion engines
Inventor: NAGASAKI MICHISUKE
IPC: G05D13/00
Filed: 1965-12-30
Abstract: 1,132,350. Reverse control. T. YAMAOKA. 30 Dec., 1965, No. 55209/65. Heading F2D. In a marine engine forward-neutral-reverse gear to a propeller operated by forward-reverse hydraulic clutches, controlled by a valve 33 moved by a handle 18, movement of the reversing handle 18 from neutral to a forward or reverse position momentarily sets the engine governor to reduce engine-speed and subsequently restores the governor to normal engine running speed in the final ahead or astern position of the handle 18. The engine governor (27), Fig. 4 (not shown), has centrifugal weights (31) set through a spring (12) by a piston 9 adjustably positioned through a fixed volume of fluid by a piston (4) of a governor speed setting control, Fig. 3 (not shown), and a piston (16), Fig. 5 (not shown) biased by a spring (24) and fluid pumped through the manual ranging valve 14 from an engine driven pump. Movement of the handle 18 from neutral to a forward or reverse position initially causes the pump 2 to be disconnected from the left hand end of piston (16) which also is exhausted by ports in the spindle 33 of valve 14, allowing piston 9 of the governor to rise slowing the engine and then causes the pump 2 to be reconnected to the left hand end of piston (16) to reset the normal engine running speed.
Patent GB-1357359-A (GB)
Title: Plastics shopping bag
IPC: B65D33/02
Filed: 1971-11-29
Abstract: 1357359 Carrier bags ROLLES FABRIKER A/S 29 Nov 1971 55363/71 Heading G A plastic bag 12, Fig. 2 having mouth edge reinforcing strips 6, 7 with hand holes 13, has a profiled stiffening strip 8a adhered to the bag wall parallel to the rectilinear mouth edge, the overall thickness of the profiled strip being greater than the thickness of the material, e.g. plastics or cardboard, forming the strip. During manufacture, web 1, Fig. 3 is longitudinally folded to bring edges 2, 3 together, webs 6, 7 are advanced with the edges, adhered to the edges and handles 13 formed therein; at the same time a further strip 8 is advanced, adhered to wall 5 and passed through rollers which give the strip and wall the required profiled section 8a, after which the web is transversely welded at 9, 10 and separated at 11 into bags 12.
Patent GB-1425708-A (GB)
Title: Furniture
IPC: A47C7/18
Filed: 1972-12-01
Abstract: 1425708 Seats FURNITURE INDUSTRIES Ltd 11 Oct 1973 [1 Dec 1972] 55612/72 Headings A4J and A4M A chair or settee comprises a rigid frame with sides and horizontal top back and bottom front portions 1, 2, a plurality of substantially inelastic webbing strips 3 loosely slung between the horizontal frame portions 1, 2, and a one piece, fabric covered, resilient foam plastics unit comprising seat 4, back 5 and arm rest 6 portions detachably located on the frame and strips 3 with the armrest portions 6 resting on the frame sides.
Patent GB-1497268-A (GB)
Title: Internal combustion engine intake and exhaust apparatus
IPC: F02B19/10
Filed: 1974-12-24
Abstract: 1497268 Afterburners HONDA GIKEN KOGYO KK 24 Dec 1974 [29 Dec 1973 (2) 23 April 1974] 55878/74 Heading F4B [Also in Division F1] An intake and exhaust apparatus for a multicylinder engine having the cylinders arranged in at least one bank comprises an exhaust gas  reaction chamber housing 17, a member 16 defining an exhaust gas reaction chamber, a plurality of conduits 17 arranged to receive exhaust gases from the cylinders and opening into the reaction chamber, an intake manifold 21, 22 formed within top closure member 18 of the housing and an exhaust gas opening 29, in the top wall of member 16, which is arranged to direct exhaust gas at a portion of the intake manifold. Member 16 includes an inner wall 16a and an outer laminated heatinsulating wall 16b. Baffle 31 directs exhaust gas entering through adjacent conduit 27 towards the end of the chamber remote from outlet pipe 28, to increase the residence time of the gases within the chamber. Housing 17 includes channels 19 for liquid coolant and a heat shield 20. The inlet manifold includes a main carburettor which discharges a lean air/ fuel mixture into duct 21, 21<SP>1</SP> which leads the mixture to a main combustion chamber of a cylinder, and an auxiliary carburetter 24 which discharges a rich air/fuel mixture into duct 22, 22<SP>1</SP> which leads the mixture to a pre-combustion chamber associated with the main combustion chamber. Exhaust gas issuing through opening 29 heats the inlet manifold and then passes through hole 30 to pipe 28. In the embodiment described the apparatus is situated between the cylinder banks of a V-engine.
Patent GB-1209030-A (GB)
Title: Gauge control method for rolling mills and like apparatus
Inventor: STONE MORRIS DENOR
IPC: G01B7/14
Filed: 1966-12-15
Abstract: 1,209,030. Electric correspondence control systems. UNITED ENG. & FOUNDRY CO. Dec.8, 1967 [Dec.15, 1966], No.56166/66. Heading G1N. In a strip rolling mill using plain cylindrical rollers 14, Fig. 1, wherein the initial gap between the work rollers is set up by screws 15, 16 and a bending force F is applied by piston-cylinder assemblies 17, 18 to the back-up rollers 13 to produce a crown on the work rollers to produce minimum deviation of thickness across the width of the strip, the relationship between the bending force, the physical characteristics of the machine and the strip thickness is calculated, and the bending force automatically maintained at the value appropriate to the desired strip thickness. A computer unit 26, Fig.3, set up in accordance with the physical constants of the rolling mill stand is fed with electrical signals representing (a) the initial roll gap, measured by potentiometer 23, (b) the total rolling force P, measured by load cell 21, (c) the bending force F, measured by pressure transducer 22, (d) the desired strip thickness t<SP>1</SP>, measured by potentiometer 25. The output signal e represents the deviation from the calculated relationship, and is fed to control valve 29 to control the bending force F until the deviation signal is zero. The resulting total rolling force and mill crown is said to produce strip of the desired thickness with minimum deviation of thickness longitudinally and transversely of the strip.
Patent GB-1193929-A (GB)
Title: Conveyor Systems Having Compressed Slats and Slats Therefore
IPC: B65G17/06
Filed: 1968-11-27
Abstract: 1,193,929. Endless conveyers. GRANCO EQUIPMENT Inc. 27 Nov., 1968 [28 Nov., 1967], No. 56291/68. Heading B8A. Heat-resistant and relatively-soft conveyer slats 2 comprise graphite blocks held between flanges 8, 8 of a member 12 secured to an endless conveyer belt, at least one laterally extending side face of each slat being upwardly and inwardly (i.e. of the slat) inclined. The slat is located laterally by plastic or wood endblocks 20 and metal plates 22. The flanges 8, 8 are drawn together by rivets 16, 16 or spot welding, their dimension being such as to place the slats 2 under pre-compression. The slats are adapted to convey extruded metal 32 from a press 30.
Patent GB-1376323-A (GB)
Title: Pneumatic tyre
IPC: B60C9/20
Filed: 1971-12-08
Abstract: 1376323 Pneumatic tyre UNIROYAL AG 8 Dec 1971 [21 Dec 1970] 56988/71 Heading B7C An integrally constructed pneumatic tyre comprises a carcass including a pair of bead rings and at least one radial cord ply 8 extending from one bead ring to the other; a reinforcing belt, e.g. 9, 10, extending circumferentially of the tyre; tread 6, shoulder 5, and sidewall 4 portions of elastomeric material; a pair of circumferentially extending reinforcing strips 11, 12 lying at the same radial level between the carcass and tread portion 6 and disposed one to each side of the mid-circumferential plane A of the tyre, each strip having cords inclined at an acute angle (e.g. 50-80 degrees) to the plane A, the cords of one strip being oppositely inclined to the plane A to those of the other strip ; and a further reinforcing strip 13 with cords disposed substantially radially of the tyre located radially outwardly of, in contact with and covering, the strips 11, 12. The axial width b of each strip 11, 12 may approximate one quarter the maximum section width B of the tyre, and the axially inner edge of each strip 11, 12 may be located a distance a of between 2À5 and 15 mm. from the plane A. The belt may, as shown, comprise two layers 9, 10 each having cords extending at an angle of between 0 and 20 degrees to the plane A and when the cord angle is >0 degrees the cords of one layer may cross those of the other. The strip 13 may bend more easily than the ply 8 and belt layers 9, 10, and the cords in the strip 13 may have a higher degree of twist or torsion than those in the layers 9, 10. The layers 9, 10 may be located radially outwardly of the strips 11, 12 and 13 as shown or may be located radially inwardly of these strips. The strips 11, 12 and 13 may be formed from calendered wires or cables made of, e.g., steel, glass fibres or plastics.
Patent GB-1334548-A (GB)
Title: Making of laminates
IPC: G06K19/02
Filed: 1970-12-01
Abstract: 1334548 Laminates GENERAL BINDING CORP 1 Dec 1970 [15 Dec 1969 17 Aug 1969] 57043/70 Heading B5N A warp-free flat laminated article is produced from a film of polyethylene terephthalate coated with a heat-reactivatible adhesive by cutting two pieces from the film in a longitudinally perpendicular manner with respect to one another, placing them in a dimensionally aligned arrangement with a flat object to be laminated between them so that the adhesive surface of each piece of film is in contact with the object and subjecting the assembly to heat and pressure. The adhesive may be polyethylene or an ethylene-ethyl acrylate copolymer applied to the film by extrusion coating. Alternative adhesives are copolymers of ethylene with 1- olefins, polystyrene, polyvinyl halides, polyvinylidene halides, polyacrylates, polyamides, polycarbonimides, polyethers, polycarbonates and polyoxyalkylenes. An envelope may be produced by applying heat discretely in several spots near the edges of the superposed pieces of coated film to effect heat-stitching, inserting the object to be laminated, e.g. an indicia-bearing card, and subjecting the assembly to heat and pressure, e.g. by means of pressure rollers heated to 275-325 F.
Patent GB-1215951-A (GB)
Title: A method for operating a sintering plant
IPC: C22B1/20
Filed: 1967-12-18
Abstract: 1,215,951. Sintering ores. INSTITUT DE RECHERCHES DE LA SIDEBURGIE FRAN CAISE. 18 Dec., 1967 [16 Dec., 1966; 10 Nov., 1967], No. 57281/67. Heading ClA. In sintering an ore in a bed on a travelling grate by means of an ignited fuel, the product is screened to a predetermined mesh size and the fines recycled back into the process, the output of the grate is regulated to a predetermined value by varying the depth of the sinter bed, and the rate of fuel feed is adjusted so as to maintain the proportion of recycled fines to a constant value whatever may be the output of sinter wanted. In Fig. 3 a travelling grate 33 is supplied with medium grade sinter returns from hopper 36 and a moist mix of ore, fuel and sinter fines from hopper 32, the height of the bed being set by means of blades 45 and 46. The mixture in hopper 32 originates from ore hopper 11, fuel hopper 12 and sinter fines hopper 13 which are controllably discharged on to conveyer 17 and fed into a mixing moisturing stage at 22 and a second similar stage at 26/27. The sinter unit is controlled by computer 21 which governs all feeder speeds throughout the unit. Preferably the unit is controlled so that the output of fines from screen 43 is measured, e.g. by weighing apparatus 48 on hopper 73 and belt 15 is controlled so that the rate of fuel feed is such that the output of fines is equal to the rate of flow of recycled fines. Most preferably the depth of the sinter bed is kept constant, the feed rates of ore and recycled fines are kept constant, the output of fines measured, e.g. by weighing and the rate of fuel feed adjusted so that the output of fines is constant and equal to the rate of flow of recycled fines. As is indicated in the figure, the fines produced may be recorded by continuous weighing of the stock hopper which is regulated so as to deliver a constant weight of fines, the variations in weight of the hopper being a measure of the amount of fines produced by the installation. Preferably, the computer produces a signal representing the mean rate of variation of the weight of hopper 13 which controls the feed of fuel. This signal may in fact comprise two portions, one derived from the mean rate of change of the weight of the hopper and the other a delaying signal obtained when the mean rate of weight change of the hopper is being allowed to differ from the standard at those times when the output is being changed to allow for deviations in operating conditions. The computer is equipped with a memory so as to cancel the delaying signal after a sufficient period of time has allowed the change to take effect.
Patent GB-1411444-A (GB)
Title: Suspension polymerisation process
IPC: C08F2/20
Filed: 1972-12-14
Abstract: 1411444 Vinyl aromatic polymers and foamable beads thereof MONSANTO Ltd 19 Nov 1973 [14 Dec 1972] 57661/72 Headings C3C and C3P Beads of vinylaromatic homo- or copolymer are prepared by polymerizing a vinyl aromatic monomer in an aqueous suspension system in the presence of a dissolved suspending agent, a polymerization catalyst and from 0.0001 to 0.008% of the total monomer weight of an alkyl hydrogen polysiloxane comprising the repeating unit -Si(HR)-O- where R is a C 1 -C 4  alkyl group. A volatile blowing agent, e.g. pentane, may also be present during polymerization. The monomer may be styrene, α methyl styrene, vinyl toluene or chlorostyrene. The suspending agent may be an inorganic water soluble salt or a water soluble organic polymer, e.g. polyvinyl alcohol or a copolymer of vinyl alcohol and a vinyl ester or a mixture of different polyvinyl alcohols. In the example styrene is polymerized in the presence of water, hydrolysed polyvinylacetate, benzoyl peroxide, pentane and methyl hydrogen polysiloxane to form polymer beads which are washed and contain 0.3% occuled water: The foamable beads are prefoamed, aged and moulded into blocks.
Patent GB-1276557-A (GB)
Title: Improvements in or relating to electric snap-action switches
IPC: H01H13/26
Filed: 1969-11-28
Abstract: 1276557 Magnetic switches OMRON TATEISI ELECTRONICS CO 28 Nov 1969 [29 Nov 1968 (2)] 58390/69 Heading H1N A magnetic switch of a magnetic reed contact unit is operable on movement of a permanent magnet in a direction generally parallel to the longitudinal axis of the reeds and the permanent magnet being movable by a snap-action mechanism. The permanent magnet 13 is notched at 13a to fit on a limb 12b of a member 12 arranged to pivot on the switch housing 10 at C. A snap-action spring 14 extends between a middle section 12c (D) of the member 12 and a notch 15c (F) on a lever 15 which is pivotable about a point 16a (E) on a fixed conductor 16 which also acts as a terminal attached to one reed 17a of the reed contact unit 17. When a plunger 18 is depressed the lever 15 is turned to move the point F across the dead-centre line between points C, D so that the member 12 moves the magnet to the right to operate the contacts. The switch is self resetting.
Patent GB-1382057-A (GB)
Title: Servomechanisms
IPC: G03B17/14
Filed: 1971-12-17
Abstract: 1382057 Control of servomotors RANK ORGANISATION Ltd 1 Nov 1972 [17 Dec 1971] 58670/71 Heading H2J A servomechanism for controlling the movement of a movable element in each of two opposite directions between two end positions comprises control means to produce a velocity demand signal for selecting a desired velocity of the element, means to produce a signal representing the position of the element, and a deceleration control circuit including a comparison device responsive to the velocity demand signal and the position signal and operative to cause the element to decelerate at a predetermined rate, which is independent of the selected velocity of the element prior to the commencement of deceleration, as it approaches one or other of the end positions, if the velocity of the element is above a predetermined value. If less than this value the element is allowed to approach the end position at the velocity determined by the control means. Fig. 2 shows a servomechanism including members 11, 13, 14, 19, 20 and 42 which are generally similar in nature and function to those described in Fig. 3 of Specification 1,350,084, the members 10, 18, 21-24 being added to produce deceleration of the servo-actuator 14 as the element controlled thereby approaches an end position, the rate of deceleration and the position at which it commences being respectively independent of and dependent on the velocity of the element. In a typical operation a desired velocity signal, selected by control means 11 and passed by amplifier 33 to servo-actuator 14, is substantially unmodified when the element is in a centre range of its travel, since both diodes 40, 41 of a comparison device 18 are reverse biased as a result of the two signals applied to the device 18 from the tapping of a potentiometer 42 movable with the element or actuator 14 and from the output of an amplifier 22. The latter acts as a voltage follower responsive to the selected velocity signal transmitted through a linear or non-linear impedance network 10 and maintains transistors 36, 37 non-conductive whereby the signal is unmodified. When the element position is such that one of the diodes 40, 41 becomes forward-biased, the output of amplifier 22 inereases to switch on one of the transistors 36, 37 so that the signal supplied to the actuator 14 decreases in a manner determined by the degree of attenuation of member 19 or 20, the subsequent saturation of the amplifier 33 producing an impedance change which is followed by the network 10 to decrease the velocity signal and so produce a predetermined linear or non-linear rate of deceleration. Typical velocity/position characteristics are discussed, Fig. 3 (not shown), together with various modifications to members 19, 20 and 18, 22 to produce a desired final speed and a less abrupt change from the selected speed to deceleration. The element may be controlled to reach one or both of the end positions travelling at a speed respectively not greater than or equal to the predetermined value of velocity, thereby producing equal or unequal speeds at the end positions.
Patent GB-1284789-A (GB)
Title: Low-pressure sodium vapour discharge lamp
IPC: H01J61/22
Filed: 1970-12-10
Abstract: 1284789 Metal-vapour lamps PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 10 Dec 1970 [13 Dec 1969] 58685/70 Heading HID A double-walled low pressure (p<150 Torr) sodium vapour lamp includes sodium vapour and Indium in the proportions by no. of atoms: 55%<In/(In+Na)<95%, and the lamp is operated with the temperature of the wall of the discharge tube greater than 260 C. and the sodium vapour unsaturated. The ranges are chosen to maximize the product (lumens/litre) x (lumens/watt). The temperature of the tube wall is maintained by providing a transparent coating 7 of indium oxide which reflects infra-red but transmits the principal sodium wavelengths. In an example 37.5 mgs. Na and 1250 mgs. In are used together with a rare gas and a wall temperature of 350 C. Bulges 9 in the wall of the discharge tube serve to maintain Na and In evenly distributed in the tube. The tube wall may alternatively be heated by separate heating sources or the lamp may be used in a substantially closed space fitting.
Patent GB-1255799-A (GB)
Title: Rotary positive fluid displacement apparatus
IPC: F01C1/02
Filed: 1968-12-13
Abstract: 1,255,799. Rotary positive-displacement machines. KRAUSS-MAFFEI AG. Dec.13, 1968 [Dec. 18, 1967], No.59437/68. Heading F1F. A pump, or motor, comprises a disc 25 having a spiral rib 23 thereon meshing with a similar rib 22 of opposite hand fixed to an immobile wall 24, which is parallel to the disc. A shaft 26 on the disc engages slidingly with a bore 27 formed eccentrically in a rotary shaft 28 furnished with a gear-wheel 31. A link 32 with universal joints at the ends thereof extends between the shaft 26 and a fixed housing-part 29 to prevent said disc revolving about its own axis. Thus orbital motion of the disc relative to the wall 24 is produced by, or effects, rotation of the shaft 28. The ribs are either in contact with each other along two axiallyorientated lines or in close proximity with each other along said lines so that two variable-volume pockets lie between the ribs, Figs.1a to 1k (not shown). Rotation of the shaft 28 causes working fluid to be pumped towards the axis of the disc. More than one rib may be provided on the disc and on the wall, Fig. 5 (not shown).