baber/WOPTO huggingface dataset:
Patent GB-1107845-A (GB)
Title: Improvements in or relating to naphthalenes and the manufacture thereof
IPC: C07D263/16
Filed: 1965-05-11
Abstract: The invention comprises ethers of formula <FORM:1107845/C2/1> wherein R is (i) C1- 8 alkyl substituted by C2- 5 dihydroxyalkyl, C2- 8 epoxyalkyl, 1-hydroxy-2-aminoethyl, 5 - (2 - oxo - or - thioxo - oxazolidinyl)-, or the cyclic carbonate or thiocarbonate of 1,2 - dihydroxy - C2- 10 - alkyl, or (ii) (CxH2x)-CO2H (x = 1-12), or its C1- 8 alkyl esters; and R1, R2 are each H, C1- 8 alkyl C3- 8 alkenyl, C1- 8 alkoxy, C3- 8 alkenoxy, halogen, CF3, C1- 8 alkylthio, or -O-A-NR3R4, where A is C2- 6 alkylene and R3, R4 are each C1- 8 alkyl which may be linked with the N to form a 5-7 ring atom heterocyclic radical; n is 1 or 2; and their addition and quaternary ammonium salts with pharmacologically acceptable acids and their anions, respectively.  Preparative methods (exemplified).-The dihydroxyalkyl ethers (I) are made by a Grignard synthesis from the corresponding indanone or tetralone or by reacting the parent phenol (II) with a halodihydroxyalkane; the epoxyalkyl ethers (III) by reacting II with a haloepoxide; the hydroxyamino ethers (IV) by reacting III with succinimide and the resulting hydroxysuccinimido intermediate with alkali; the oxazolidine derivatives by reacting IV with COCl2 or CS2; the cyclic carbonate by reacting a vicinal diol (I) with ClCO2Et followed by NaH; the cyclic thiocarbonat by reacting the vicinal diol with thiocarbonyldiimidazole; the carboalkoxyalkyl ethers by reacting II with an alkyl haloalkanecarboxylate, optionally followed by hydrolysis if the free acids are required.  In Example 13, 4-[2,3-(isopropylidenedioxy)-propoxy]phenylmagnesiu bromide is prepared from the corresponding phenyl bromide and Mg in tetrahydrofuran.ALSO:Compounds used for animal pest control have the formula <FORM:1107845/A5-A6/1> wherein R is (i) C1-8 alkyl substituted by C2-5 dihydroxyalkyl, C2-8 epoxyalkyl, 1-hydroxy-2-aminoethyl, 5-(2-oxo-or-thioxo-oxazolidinyl),-or the cyclic carbonate or thiocarbonate of 1,2-dihydroxy-C2-10-alkyl, or (ii) (Cx H2x)-CO2H (x = 1-12), or its C1-8 alkyl esters; and R1, R2 are each H, C1-8 alkyl, C3-8 alkenyl, C1-8 alkoxy, C3-8 alkenoxy, halogen, CF3 C1-8 alkylthio, or -O-A-NR3R4, where A is C2-6 alkylene and R3, R4 are each C1-8 alkyl which may be linked with the N to form a 5-7 ring atom heterocyclic radical; n is 1 or 2; and their addition and quaternary ammonium salts with pharmocologically acceptable acids and their anions, respectively.  Dilute aqueous solutions of fluosilicate salts of bases of the above formula are used as mothproofing agents.  The above compounds also have antifertility, oestrogenic, antioestrogenic, antispermatogenic, fungicidal and blood cholesterol lowering activity, and may be administered orally or parenterally.
Patent GB-199081-A (GB)
Abstract: 199,081. Bower, A. S. March 9, 1922. Cores; casting processes.-Cores are formed of metal having a melting-point less than that of the metal to be cast. Such cores may be produced by die-casting or by casting in plaster moulds. The mass of the parts is such that the core surface does not melt until the casting has a thick enough skin to enable it to retain its shape. Lead is stated to be suitable for use in casting aluminium or aluminium alloys.
Patent GB-671416-A (GB)
Title: Improvements in or relating to body solder
IPC: C09K3/10
Filed: 1949-07-29
Abstract: A composition, suitable as a body solder material, comprises a mixture of monomeric styrene, a partially polymerized maleic anhydride-polyhydric alcohol resin and a mixture of flake and granular aluminium.  The ratio of the weight of organic to inorganic material should be between 0.8 and 1.25.  In the example, 100 parts of diethylene glycol-maleic anhydride resin, prepared from 100 parts of anhydride and 120 parts of glycol and having a acid number of about 42, are mixed with 44.5 parts of styrene, 39.8 parts of aluminium flake, 84.3 parts of granular aluminium, 0.8 parts of benzoyl peroxide and 0.8 parts of tricresyl phosphate.  The paste is applied to a cleaned and roughened metal surface and cured, by heating, preferably by radiant heat, at a temperature of 180-220 DEG F.  The filling may be ground or polished and painted and baked.
Patent GB-1070995-A (GB)
Title: Drying tray
IPC: F26B5/06
Filed: 1965-05-12
Abstract: 1,070,995. Drying carrots. PENNSALT CHEMICALS CORPORATION. May 12, 1965 [June 1, 1964], No. 20050/65. Heading A2D. [Also in Division F4] A tray for drying diced carrots in an evacuated chamber, e.g. for freeze or vacuum drying, along which tray the carrots may be moved by means (not shown), comprises a bottom wall 14 having upstanding ribs 16 - - - 28 integral therewith to form conduits for a fluid heating medium and integral with an article supporting wall 32 also having ribs 16<SP>1</SP>-- - 28<SP>1</SP> upstanding therefrom to form channels to receive the carrots to be dried. The tray is formed of a material with a high thermal emissivity and conductivity, e.g. a one piece aluminium extrusion.
Patent GB-754788-A (GB)
Title: Improvements in windscreen wipers
IPC: B60S1/42
Filed: 1954-07-08
Abstract: 754,788. Windscreen cleaners. LETHBRIDGE W. REED-. July 8. 1954 [Aug. 6, 1953], No. 20056/54. Class 138(1) A windscreen wiper arm is provided with a wheel to support the arm at a uniform distance from a windscreen, and mounting means for the securement of a wiper blade to the arm to allow of adjustable movements of the blade relative to the arm so as to alter the pressure of the blade on the windscreen. The wiper arm 5, Fig. 1, comprises an inner bar 5a, pivoted to a boss 4 secured to the wiper spindle 1, an outer bar 5b lockable to the bar 5a as by a screw 9 engaging in slots 6b of two plates (of which only one, 6 is shown) secured to the bar 5a. and a rod 5c, screwed into the bar 5b. If desired a single rigid bar pivoted to the boss 4 may replace to two bars 5a, 5b shown. Mounted on the bar 5b or the single bar, as the case may be, is a rubber or rubber-tyred wheel 11 which contacts the windscreen 3, the contact being maintained by a spring 13 between the wiper arm and a washer 15 on the spindle 1. On the outer end 5e of the rod 5c is mounted a sleeve 16, Fig. 4, disposed between collars 17. 18 secured to the rod. A tongue 18b on the collar 18 engages in a recess 16c in the end of the sleeve to permit of slight angular movement of the sleeve on the rod. A block 20 mounted on a threaded portion 16b of the sleeve pivotally carries by a pin 20a a bell-crank 19 to which the wiper blade 12 is pivoted, at 21. The bell crank is urged towards the windscreen by a spring 23 and the pressure of the blade on the screen is adjusted by a nut 22 on the portion 16b of the sleeve. The angular movement of the sleeve 16 in the rod 5c permits the blade to assume an inclined trailing position on the windscreen. In a modification as described with reference to Fig. 7 (not shown) an adjusting screw on the bell-crank engages a fixed portion of the sleeve and no screwed portion is provided on the sleeve. If desired the block 20 may be screwed directly on to the rod 5c, the feature of the blade being able to incline relative to the rod then be omitted. The wheel 11 may be situated close to the spindle 1 or at the outer end of the complete wiper arm, and in all cases the wheel may be caused to engage at ramp, when the wiper is in the parked position, whereby the arm and blade will be raised from the windscreen.
Patent GB-211797-A (GB)
Title: Improvements in and relating to cocks and taps for gases and other fluids
IPC: F16K5/08
Filed: 1923-08-07
Abstract: 211,797. Page, E., and Lee, T. J. Aug. 7, 1923. Plug cocks.-The operating arm a of a gas or like tap is formed with one or two lugs b which are then bent over at right-angles so that they engage with the ends of the recesses d in the body of the tap to limit the rotation of the plug when the parts are assembled.
Patent GB-1301715-A (GB)
IPC: C07C/
Filed: 1970-04-27
Abstract: 1301715 Carbamates CIBA-GEIGY AG 27 April 1970 [26 April 1969] 20112/70 Heading C2C [Also in Division A5] The invention comprises compounds of the formula wherein R 1  represents a C 1 -C 5  aliphatic radical or has the same meaning as R 2 , R 2  represents a C 2 -C 5  alkenyl radical substituted by 1 or 2 halogen atoms or a C 1 -C 5  alkyl radical substituted by a C 1 -C 5  alkoxy, alkylmercapto or CN group, R 3  represents H or CH 3 , and R 4  and R 5  each represents H or a C 1 -C 5  alkyl radical, and the acid addition salts thereof. They may be obtained by (1) reacting an appropriate phenol with an alkyl-isocyanate or a dialkylcarbamic acid chloride or (2) reacting an appropriate aminophenyl chlorocarbonate, bis-(aminophenyl)-carbonate, or bis-(nitrophenyl)-carbonate with an appropriate dialkylamine or alkylamine with subsequent reduction and alkylation of the nitro group in the case of bis- (nitrophenyl)-carbonates. Examples are given for the production of the compounds. They are useful as pesticides. Various substituted alkylamino-phenols used in method (1) above may be obtained by alkylating an amino-phenol or a mono-alkylamino phenol with an appropriate alkylating agent.
Patent GB-423906-A (GB)
Title: Improvements in or relating to coin mechanisms of gas meters
IPC: G07F15/00
Filed: 1934-07-09
Abstract: 423,906. Prepayment mechanism for gas meters. NAAMLOOZE VENNOOTSCHAP MACHINERIEEN-EN APPARATEN FABRIEKEN, 30, Croeselaan, Utrecht, Holland. July 9, 1934, No. 20155. Convention date, June 5. [Class 27] The differential quantity mechanism 1, of a gas meter, which is set forwarc by insertion of a coin, is returned by a worm shaft ( of the meter driving through a worm-wheel 5 and toothed wheels 4, 2 In order to prevent damage in the case of a leaking valve, the hub 7 of the wheel 4 fixed to a shaft 3 has a number of part spherical or calotte-shaped recesses and the worm-wheel 5, loose on shaft 3, has two or more borings in which are located balls 9 engaging the recesses in the hub 7 to couple the wheels 5, 4 together. The balls are pressed resiliently into the recesses by pins 11 on a disc 10, a compression spring 13 being disposed between the disc 10 and a collar 12 on the shaft 3. If the meter shaft 6 continues to rotate after the mechanism 1 is returned to zero and the wheel 4 prevented from rotating, the balls 9 move into the borings in the wheel 5, the spring 13 being compressed and the coupling between the wheels 5 and 4 broken.
Patent GB-583335-A (GB)
Title: Improvements in shock absorbers and spring suspensions embodying same
IPC: B60G13/04
Filed: 1944-10-18
Abstract: 583,335. Shock-absorbers; vehicle wheel suspensions. ORVILLE, T. L. R. d'. Oct. 18, 1944, No. 20188. [Classes 108 (ii) and 108 (iii] A shock-absorber or spring suspension for connection between two relatively-movable elements, e.g. a vehicle axle and chassis, comprises a housing 1, Fig.. 1, adapted to be secured to one element, a rubber or like block 4 removably mounted in the housing and peripherally engaged therewith by interengaging longitudinal serrations on the housing and block, and an arm 7 adapted to be attached at one end to the other element and secured at its other end to a portion of the block 4, located inwardly from the periphery, by a ring of bolts 6 passing through apertures 5 in the block parallel with the axis thereof. The bolts are so arranged in combination with the serrations that a wide range of adjustment of the arm with respect to the housing, by relatively small steps, is provided. As shown, the housing 1 is secured by a spacer 2 to a vehicle chassis and the outer end of the arm 7 is connected by a link 10 to the axle, relative movement of the axle and chassis displacing the arm to stress the rubber block in torsion. Fig. 3 shows a vehicle wheel suspension in which the housings 1 of two cushioning devices are secured to or integral with a bracket 11 on the vehicle chassis while the free ends of. the arms 7 are attached to parts 13 of a wheel axle frame 12 so as to constitute a parallelogram linkage. The upper cushioning device carries the load, the bolts 6 fitting closely in the holes 5 in the rubber block 4, while the lower device acts as a shock-absorber, the holes 5 being elongated to provide a small amount of initial free relative angular movement between the arm 7 and housing 1. A number of axially-aligned rubber blocks may be mounted within an axiallyextended housing 1 and the arms 7.duplicated and attached one at each end of each series of blocks, one or both of the arms of a pair being inwardly cranked to bring the ends attached to the frame 12 close together. This produces a triangular structure in plan view.
Patent GB-998194-A (GB)
Title: Improvements in the storage of perishable animal and vegetable materials and apparatus therefor
Inventor: BRODY AARON LEO
IPC: A23L3/3418
Filed: 1962-05-25
Abstract: 998,194. Storing animal and vegetable materials. WHIRLPOOL CORPORATION. April 4, 1963 [May 25, 1962], No. 20247/62. Heading A2D. Perishable animal and vegetable materials subject to respiratory deterioration changes on storage in air containing normal quantities of oxygen and carbon dioxide are stored in an atmosphere containing an amount of carbon dioxide greater than that found in ambient air and an amount of oxygen less than that found in ambient air, which atmosphere is produced by burning a fuel in the presence of oxygen, is filtered to remove gaseous impurities and is continuously conveyed to a non gas-tight storage chamber for the materials where it continuously replenishes atmosphere escaping from the chamber. Animal and vegetable materials mentioned: apples, grapes, berries, tomatoes, peaches, pears, oranges and bananas; potatoes, carrots, celery, asparagus, onions, beans and peas; milk, butter, cheese and eggs; meat and meat products; grains, nuts, cut flowers, flower bulbs and tobacco. The figure depicts the storage cabinet 10 of a conventional gas refrigerator and the boiler 12 of the refrigerator in which ammonia is boiled off from a water and ammonia solution as part of the cycle of refrigeration. The boiler 12 is heated by a gas flame 14 produced by burning fuel gas and air in proportions regulated by the respective inlet valves 16 and 18. A blower 21 conducts the gaseous combustion products from the flue pipe 19 through a condenser 24 in which excess moisture is condensed from the gases, an activated charcoal filter 26 for removal of oxides of nitrogen and unburned or partially burned fuel gases, and through openings 31 into a storage container 29 e.g. for vegetables, whose lid 30 is loose fitting. The preserving atmosphere created continually flows out through screw and bolt openings &c. 33 and is replenished by further gas from the flue pipe 19. Preferably there is supplied to the burner 20-25% excess air over that required for burning of the fuel. Under preferred storage conditions the atmosphere has 25-100% relative humidity (preferably 85-100%), a temperature between 29‹ to 120‹F. (preferably 29-55‹F.), 1-10% by volume oxygen and 1-15% by volume carbon dioxide. A preferred atmosphere contains by volume 4% oxygen, 10% carbon dioxide and 86% nitrogen.
Patent GB-958840-A (GB)
Title: Improvements in or relating to voluteless centrifugal pumps
Inventor: CROSS DAVID GIRDLER
IPC: F04D7/08
Filed: 1961-06-06
Abstract: 958,840. Centrifugal pumps. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. May 16, 1962 [June 6, 1961], No. 20339/61. Heading F1C. A voluteless pump, which may be used for lifting liquids in mixer-settler apparatus, comprises a first circular plate 6 with a central aperture 7 connected to a second circular plate 8 by blades 9 mounted on their edges between the plates and disposed about the central aperture 7 to draw liquid through the latter by centrifugal action, an operating stem 2 rotatable with the plates and blades and carried on that side of the second circular plate 8 remote from the first circular plate 7, and a substantially cylindrical casing 3 having an annular trough about its upper end and the impeller 1 suspended by the stem 2 near its lower end, so that the liquid is lifted by the impeller 1 to a point at which it can overflow into the trough. A reservoir 12 provided with an inlet 4 is separated from the impeller 1 by a partiton 10 provided with a central bore 11. The aperture 7, inlet 4 and bore 11 are all of the same diameter which is preferably one-third of the impeller diameter. Further, the impeller blade depth, the casing diameter and the clearance between the impeller and partition are preferably one-eigth, one and one-third, and not greater than one twentyfourth of the impeller diameter respectively.
Patent GB-221626-A (GB)
Title: Improvements in electric clocks
IPC: G04C3/02
Filed: 1923-08-10
Abstract: 221,626. Prince, C. E. Aug. 10, 1923. Addition to 206,186. Electric clocks. - The impulses to the pendulum are given by spring or weight in which energy is stored by the operation of an electromagnetic circuit-breaker as described in the parent Specification. The pendulum 1 is mechanically free, and is solely used to close the contacts 3, 3<1> and 4, 4' through the circuit-reverser consisting of a pivoted armature 12 and contact spring 11. The pendulum is energized by gravity or by springs such as 27 arranged to act on the pendulum 1, Fig. 4a, during a longer period on the inward than on the outward swing, the springs being retracted for this purpose by a pin 29 electromagnetically operated before contact of the pendulum therewith on the outward swing. The impulses to the pendulum may also be given by an electromagnet in the time-indicating circuit 14, 15. The contact 4, 4' may be omitted, and a contact, such as 4, 3<1>, established by the pendulum leaving the spring 3<1>, substituted therefor. The position of the contact spring 27 is adjustable with relation to the central position of the pendulum by rotating the apertured case on a cranked holder.
Patent GB-197284-A (GB)
Title: Improvements in regenerative air-preheaters for furnaces
IPC: F23L15/02
Filed: 1922-07-27
Abstract: 197,284. Aktiebolaget Ljungstr÷ms Angturbin. May 8, 1922, [Convention date]. Regenerators. - In a rotary regenerator for boiler plants of the kind in which the air to be heated and the hot flue gases are forced by fans alternately through the same passages of a rotary regenerative mass, the air and gases are caused to pass through the regenerative mass in a radial direction. As shown in Figs. 1 and 2, the rotary regenerative mass 1 is disposed between cylinders 2, 3 attached to a shaft 4 driven through reduction gearing from the shaft 6 on which fans 5, 7 are mounted. Air enters the apparatus axially as indicated by the arrows 12, 13 and passes radially through the regenerative mass 1 to the outlet 14. Hot gases enter through an inlet 30 and pass radially 'through the regenerative mass 1 to the outlet containing the fan 7. If desired, the course of the air and gases may be reversed. A sealing-plate 23 on each side of the apparatus prevents flue gases passing into the air channel and vice versa. Partitions 22 divide the gases into a number of separate currents. In the modification shown in Fig. 4, the space within the rotary regenerative mass is divided by a fixed partition 20 separating the air and waste gases.
Patent GB-918702-A (GB)
Title: Improvements relating to calculators
Filed: 1960-06-13
Abstract: 918,702. Calculating-apparatus. KELLEHER, W. Sept. 12, 1961 [June 13, 1960], No. 20729/60. Class 106 (1).  A fertile period calculator consists of a cylindrical data scale 10 adjustable in length to allow for varying length months and a relatively slidable menstrual period length scale 11 carrying markers 20, 21 which are set against longest and shortest menstrual period lengths. When a mark on scale 11 is set against the date on scale 10 corresponding to the first day of a menstrual period, extensions 23, 24 on markers 20, 21, bracket on scale 10 the expected fertile period. Scale 10 is adjusted by engaging a tag 15 on the lower end of the scale between tags 14 on the upper end of the scale, so varying its effective length within the range 28 to 31 days. Scales 10 and 11 are spring metal and scale 11 is retained in place by its own resilience.
Patent GB-517070-A (GB)
Title: Improvements in or relating to swath turners, side rakes or like machines for turning or moving crops
IPC: A01D78/00
Filed: 1938-07-13
Abstract: 517,070. Haymaking. NICHOLSON, A. C. July 13, 1938, No. 20773. [Class 6 (iii)] In a swath-turner, side rake or like machine of the kind embodying at least two turning or raking heads each consisting of parallel end discs joined by a plurality of tine rods or bars, the axis of each end disc of at least one of the heads is displaceable to adapt the head to move the crop in either of two directions, without altering the direction of draught of the machine. In Fig. 1, a turning-head 7 of the usual construction is driven by gearing 8 from the offside wheel 6. On the near side of the machine, the turning head 10 is arranged to occupy either the full-line or dotted-line position, the discs 11, 11a being mounted on radius arms 31, 41 respectively, which, when the tine bars 39 are disconnected, may be swung about axes 24, 42 through an angle of approximately 180 degrees, after which the bars 39 are again connected. The head is driven from the near side wheel through gearing 12 ... 15, 28, 34, the pinion 28 being so arranged that, in one operative position of the head, it meshes with the wheel 14, and in the other operative position, it meshes with the wheel 15 and is thus driven in the opposite direction. Spring-pressed locking-pins are provided to hold the head in either of its positions. The tine bar connections to the discs 11, 11a each comprises a laterally projecting pin 44 pivotally carrying a bracket 45 having a vertically disposed socket portion 45a, which rotatably accommodates a pin 46. An upper part 46a of this pin is received within a hollow lug or boss 47 at the end of the time bar 39. which is locked to the part 46a by a slidable bolt 48 arranged to pass through aligned holes in the boss 47 and the part 46a. The bolt is slidably carried by a bracket 49 on the bar 39, and is retained in either its locking or release positions by a spring-pressed catch 51, 53. In a modification, the turning head is mounted on either one or other of two sets of being driven through gearing from the axle, in spaced shafts, the shafts adjacent the axle 5 opposite directions. The transverse members 9, 43 of the machine frame are preferably provided with articulated portions so as to enable the forward discs 11a of the heads, when the said discs are in the outermost positions, to follow the contour of the ground. The articulated parts of the members 9, 43 may be provided with castor wheels which may be adjustable in height. The articulation permits the overall width of the machine to be reduced for passage through narrow openings, the articulated parts being maintained raised by a connecting chain. Clutch means, or a disengageable ratchet connection between the wheels 6 and the axle 5. may be provided to permit the machine to be moved without operation of the heads. Specifications 8646/12, [CLass 6 (iii)], and 500,470, are referred to.
Patent GB-1536955-A (GB)
Title: Ruffler attachment for sewing machine
IPC: D05B35/08
Filed: 1976-05-20
Abstract: 1536955 Ruffler attachment U S BLIND STITCH MACHINE CORP 20 May 1976 [26 Nov 1975] 20882/76 Heading D1G A sewing machine ruffler mechanism comprises a stiffener blade 47 under which fabric is introduced and a ruffler blade 65 sandwiching trim material, to be pleated, thereagainst, the ruffler blade 65 being movable to fold the trim material before it is sewn to the fabric by the needle 21 (two as disclosed). The ruffler blade is resiliently urged against blade 47 by a spring 66 and is secured to a lever 60 secured to a shaft (20, Figs. 1 and 2 not shown) oscillated from a drive 30 by an adjustable length pitman (28) adjustably engaging a slotted, calibrated arm (25). The ruffler blade 65 is recessed at 67 to clear the needles. In another embodiment, (Fig. 8 not shown) a speed reducing belt and pulley drive is provided to allow more than one needle reciprocation per pleat. A guide 49 is provided to introduce the trim between the blades 47, 65.