baber/WOPTO huggingface dataset:
Patent GB-1392561-A (GB)
Title: Metal-containing compounds and their preparation
IPC: A61K8/58
Filed: 1972-05-15
Abstract: 1392561 Reaction products of Lewis acids with pyrocarbonate esters DART INDUSTRIES Inc 15 May 1972 [28 May 1971] 22737/72 Heading C2C Metal-containing compounds used in antiperspirant compositions and as flocculating agents comprise the reaction product of at least one metal halide Lewis acid with at least one ester of the formula where R 1  and R 2  are, independently, alkyl, aryl, cycloalkyl or aralkyl groups. Further metal-containing compounds comprise the product of reacting the above compounds with an organic hydroxyl-containing compound, such as a C 1-  C 12  alkanol, C 4 -C 8  cycloalkanol, or phenol. Preferred Lewis acids are the chlorides and bromides of Fe (III), Ti (IV), Zn (II), Sn (IV), Al (III), Mo (V), Zr (IV), W (VI), Hf (IV), Nb (V), Ta (V) and B (III).
Patent GB-776111-A (GB)
Title: Improved apparatus for making perspective drawings
IPC: B43L13/14
Filed: 1955-08-08
Abstract: 776,111. Perspective drawing-instruments. BARNETT, R. A., and ANGLO AMERICAN CORPORATION OF SOUTH AFRICA, Ltd. Aug. 8, 1955, No. 22750/55. Class 97(3) A perspective drawing machine comprises a tracing arm, a tracing point associated with the arm, a drawing arm separate from the tracing arm and, in plan view, at right angles to it, a writing instrument mounted on the drawing arm, a table for objects to be drawn located for the object to be scanned by the tracing point, a substantially upright, flat drawing board situated to be within the view of a draughtsman operating the tracing point, and motion-transmitting means between the tracing and drawing arms arranged for the drawing arm to be constrained to follow the movements of the tracing arm. In the form shown the telescope arm 15 is coupled by a pivoted fork 17 to a collar 19 vertically slidable on a column 16 by an endless band 22 operated by the knob 24. The amount of movement is indicated by a scale carried. for example, on the band. The column 16 is supported on a base 20, preferably transparent, with a reference mark 21 at its centre. A fixed column 14 carries a yoke 43, adjustable in height thereon, which supports a frame 41 on vertical pivot pins 42. The frame supports a horizontal spindle 46 attached to the arm 15 and, at right angles to it, a spindle 47 attached to the drawing arm 32. The arms are thus coupled for horizontal movement. They are also coupled for vertical movement by a gimbal device 48 having arms 51, 52 coupled to the arms 15, 32 by links 53, 53. The drawing arm 32 is telescopic and at its outer end carries a drawing point 31 which is spring urged outwardly into contact with the drawing board 35, but which may be retracted by pressing a pedal 73 which operates through a Bowden control 72. A movable counterweight may be provided to move oppositely to the drawing point to maintain the balance of the arm as a whole. In use the reference mark 21 is moved over a plan view 12, the collar 19 being adjusted to correspond to the heights of different parts of the structure being traced. Lines are thus drawn corresponding to horizontal parts of the structure. Vertical lines may be drawn by movement of the collar 19, or may be added manually.
Patent GB-533083-A (GB)
Title: Improvements in photographic flash-light cartridges
IPC: F21K5/08
Filed: 1939-08-05
Abstract: 533,083. Flashlight cartridges. LEWENT, H. Aug. 5, 1939, No. 22779. [Class 9 (ii)] A box for containing photographic flashlight powders, comprising magnesium powder and an explosive in a separated state, consists of a round lid portion A', shown partly broken away, with a depending tube B, and a base portion A<SP>2</SP>, also shown broken, with an upstanding tube C, the tubes B, C fitting one within the other and the lid and base portions being relatively rotatable so as to bring into register cutaway portions B<SP>1</SP>, C' at the ends of the tubes so as to allow the mixing of the powders contained one in the tube B and the other in the annular space surrounding it. After the mixing of the powder, the lid portion A<SP>1</SP> may be removed. A wedge-shaped projection D upstanding from the base of the box serves as a support for a flattened tubular-shaped touch paper.
Patent GB-330174-A (GB)
Title: Improvements in pull-out dining room tables and the like
IPC: A47B1/05
Filed: 1929-07-25
Abstract: 330,174. Taylor, I. July 25,1929. Expanding tables combined with receptacles.- A table with end leaves which are telescoped under a central top is formed at each side with a pair of side rails, each pair forming a passage for the runners to which the leaves are attached; in the side rails are inclined grooves receiving lateral projections on the runners, so that as the end leaves are closed in they move to a position under the central panel of the table. The table shown comprises extensible leaves 4 attached to runners 5 so as to telescope under a central leaf 3. At each side of the table are rails 2, 2<a> forming a passage 7 with inclined grooves 8 to receive laterally-projecting lugs 9 on the inner ends of the runners 5. Between the inner rails 2<a> is a cavity, the base of which is a panel 10, adapted to receive cutlery &c. The top panel 11 may be removed, or may be supported by folding struts 12. It may be lifted by a rod 14 sufficiently to enable the edge to be engaged by the fingers. Specification 330,175 is referred to.
Patent GB-408498-A (GB)
Title: Improvements in or relating to electromagnetic contact-making relays
IPC: H01H51/06
Filed: 1933-08-16
Abstract: 408,498. Light current relays. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and ROSE, W. R., c/o General Electric Co., Stoke, Coventry. Aug. 16, 1933, No. 22855. [Class 38 (v).] A quick-acting relay for use in automatic telephone circuits has a U-shaped or L- shaped laminated core of nickel-iron, on one leg of which the operating-coil is mounted, the core being affixed to a yoke or pivot-bearing member carrying the armature. As shown in Fig. 1, an L-shaped core 2 is employed secured to an L-shaped yoke 4 by a non-magnetic clamp 3 and carrying on one limb a coil 1, the armature 6 being pivoted on a knife-edge formed on the yoke and being retained thereon by a spring plate 5. The core is built up of laminations of nickel-iron consisting of 50 per cent nickel and 50 per cent iron and the length of the magnetic circuit is made not to exceed 2 inches. The theoretical considerations underlying the design of the relay and the choice of the dimensions thereof are set forth in the Specification. The coil 1 is provided with two windings, one for operating and one for retaining the armature, the operating winding being automatically short-circuited after the relay operates. To prevent contact bounce of the contact spring 19, it is provided with a reinforcing spring 22, the end of which bearing on the back of the spring 19 is divided into two tongues of unequal width so that the energy given up at the contacts during operation is dissipated in friction at the point of contact of the two springs 19, 22 without the formation of a main resonance frequency.
Patent GB-795616-A (GB)
Title: A process for producing 4-picoline and 2.6-lutidine from pyridine bases
Filed: 1955-08-09
Abstract: 4-Picoline and 2,6-lutidine are produced from the raw picoline fraction of pyridine bases boiling between 140 DEG  and 145 DEG  C., from which 3-picoline has been previously removed, by adding an excess of alcoholic solution of cupric chloride to the fraction to precipitate 4-picoline in the form of the double salt CuCl2.2C6H7N, separating the precipitated salt, reducing the excess of cupric chloride in the filtrate to cuprous chloride, adding cuprous chloride to the filtrate to precipitate the double salt of 2,6-lutidine having the formula Cu2Cl2.2C7H9N which is filtered off, decomposing the precipitates by means of an alkali metal hydroxide and obtaining the pure bases by steam distillation.  It is advantageous to dilute the fraction with alcohol before adding the alcoholic solution of cupric chloride.  The preferred alcohol is methanol.  The excess cupric chloride left in the filtrate, after filtering off the precipitate of the double salt of 4-picoline and cupric chloride, may be reduced to cuprous chloride, for example, by means of sulphur dioxide or sodium bisulphite.  Specification 701,179 is referred to.
Patent GB-464327-A (GB)
Title: Improvements in carburetters for internal combustion engines
IPC: F02M69/00
Filed: 1935-08-15
Abstract: 464,327. Spray carburetters. SOC. GENERALE DES CARBURATEURS ZENITH. Aug. 15, 1935, No. 22982. Convention date, Aug. 30, 1934. [Class 7 (iii)] A carburetter comprises a fuel chamber closed by a diaphragm connected to the fuel inlet valve thereof and controlling the pressure therein, a chamber separated from the fuel chamber by the diaphragm, two passages connecting the chamber with the suction pipe of the carburetter and with the atmosphere or the carburetter air intake, and a valve or like adjusting member for varying the relative cross-sectional area of said passages, the adjusting member being operatively connected to a control member adapted to be actuated independently of the carburetter throttle. A diaphragm 15 separating a suction chamber 17 from a fuel chamber 11 controls the fuel supply through a valve 13 and is itself actuated by the pressure in the chamber 17 with or without a spring 16. A conduit 19 opening into the induction pipe adjacent the fuel nozzle 6 communicates, past a control valve 21, with the chamber 17 which is also open to the atmosphere through an orifice 18. The valve 21 determines the suction applied to the chamber 17 and as shown is actuated by a slotted lever 43 moved by an arm 41 connected to an expansible bellows 50 which responds to atmospheric pressure and adjusts the valve for altitude. The lever 43 pivots about the connection between a fuel control lever 9 and a member 10 linking it to the throttle 2, the arrangement permitting the throttle and the bellows 50 to actuate the valve 21 independently. In other forms, the bellows is replaced by a manual control and the connection between the arm 41 and the throttle is omitted. The diaphragm 15, Fig. 4, is mechanically connected to a diaphragm 29, of similar or different size, which forms part of a suction chamber 28 corresponding to the chamber 17, Fig. 6, and the air orifice 18 is replaced by a passage connecting the chamber 33 of the bellows 32 to the conduit 19 below the control valve 35. Specifications 378,038 and 382,948 are referred to.
Patent GB-642892-A (GB)
Title: Improved moisture-resistant coating and method of producing it
IPC: H01B3/30
Filed: 1946-08-01
Abstract: Moisture-resistant coatings are formed on a surface such as that of a closed coil by applying to the surface an impregnating coating consisting of a polymerizable resin varnish, drying and baking until the varnish is fully cured, then applying a coating of a polymerizable resin varnish containing a suitable amount of a finely-divided inert inorganic filler and then drying and baking for a time and at a temperature sufficient to solidify the resin but insufficient to cure completely the resin in the final coating.  In an example a transformer is dried by baking in a vacuum and maintained under a vacuum in a tank whilst cooling.  A polymerizable varnish is then drawn into the tank to cover completely the transformer while still maintaining the vacuum, the vacuum broken after a few minutes and the transformer kept immersed for some time (e.g. 45 minutes), removed, dried and drained, then baked and cooled after which the impregnating, baking and cooling is repeated.  The impregnated transformer is then given two coatings of a polymerizable varnish containing finely-divided talc by immersion, draining, air-drying and baking. It is preferred that the same varnish is used both for impregnating and coating, a preferred varnish being the condensation product of formaldehyde and cashew nut shell oil in petroleum naphtha.  Instead of talc, sand, mica, asbestos, aluminium silicate and chalk may be used.  Preferred proportions of talc are 80 to 90 per cent of the weight of the solid content of the varnish. The impregnating coating is preferably baked at 190 DEG  F. for 5 hours or at 180 DEG  F. for 8 hours or at 210 DEG  F. for 4 hours and the final coating preferably baked at 190 DEG  F. for 12 hours or at 180 DEG  F. for 15 hours or at 210 DEG  F. for 10 hours.
Patent GB-876408-A (GB)
Title: Joint or coupling for pipes
Inventor: IRVING THOMAS RUSSELL
IPC: F16L47/20
Filed: 1959-07-03
Abstract: 876,408. Pipe couplings. FORMICA Ltd. June 22, 1960 [July 3, 1959], No. 23018/59. Class 99(1). A coupling comprises a cylindrical body 1 including as integral parts thereof an external wall 2 and an externally grooved internal wall 3, which walls define an annular space, an internally serrated clamping ring 16, a resilient sealing device, and means to engage with the body and capable of exerting an axial force whereby when the end of a pipe is fitted into the annular space the application of axial force causes the grooves of the wall 3 to engage with the internal surface of the pipe 8 and the serrations of the ring 16 to be deformed and forced into the exterior surface of the pipe. As shown, the sealing device comprises a rubber ring 15 between metal washers 13, 14 and compressed by a gland 11 screwed into the body, the washers having a series of spigots 18, 19 aligned with holes in the ring and being brought into abutment to limit compression of the ring. The protrusions on the ring 16 have a substantially frusto-conical formation and are deflected by abutment with the frusto-conical wall 10 of the body and forced into the wall of the pipe.
Patent GB-1319911-A (GB)
Title: Robot devices
IPC: B25J9/10
Filed: 1971-04-19
Abstract: 1319911 Remote handling devices R KAUFELDT 19 April 1971 [28 Dec 1970] 23022/71 Heading B8H An arrangement including means for damping and stopping, respectively, a rotative movement, of a remote handing carrier which comprise arms adapted to move in the x, y, and z directions of a Cartesian co-ordinate system, comprises a support 2 positioned at the end of one of the arms (not shown), with a rotative shaft 4 being mounted in the support and being provided at its end with a disc-like member 11 on which a gripping device or an additional arm for performing a remote handling function, is positioned, the member being rotated upon actuation of the shaft. According to the invention the rotative shaft is provided with a dog means 9<SP>1</SP> adapted to be actuated when the shaft is rotated, the support 2 is provided with one or more infinitely variable mechanical stop means 7<SP>1</SP>, the shaft-carrying support 2 is provided with a respective progressive damper 8<SP>1</SP> for either direction of rotation and the dog means 9<SP>1</SP> is provided with first members 9<SP>1</SP> for engaging the respective damper and a second member 10 for engaging the stop means 7<SP>1</SP>. In Figs. 2a-2c, rotation of member 11 first causes one of the stops 71 to engage and displace the member 10. This is progressively damped by one of the dampers 8<SP>1</SP> until the movement is terminated by the members 10 engaging a fixed stop 14. In a modification (Figs. 1a and 1b, not shown) the damper comprises a recess containing polyurethane material into which a member carried by the stop means, is displaced.
Patent GB-1150424-A (GB)
Title: High Speed Digital Type Arithmetic Unit
IPC: G06F7/495
Filed: 1966-05-24
Abstract: 1,150,424. Digital arithmetic arrangements. HAYAKAWA DENKI KOGYO K.K. 24 May, 1966 [24 May, 1965], No. 23095/66. Heading G4A. Each digit position of an adder of an arithmetic unit is in the form of two binary registers X and W which contain corresponding digits of the two numbers to be added together, each digit position being split into four bit positions X 1 , X 2 , X 3 , X 4  and W 1 , W 2 , W 3 , W 4  and a logic circuit CD is provided according to the binary code in operation to adjust the value of W register when the sum of the two numbers together with any carry from the previous digit stage will generate a carry to the next following stage. For example, if the digits to be added are 8 and 2 and are represented in X and W registers in binary coded decimal form, i.e. 1000 and 0010, then without adjustment the sum produced would be 1010. During the addition process however, the circuit CD having sensed the necessity for a carry to the next following digit stage, adds into register W the value 6, i.e. 0110, which thus produces the eventual sum 0000 with a carry to the next digit stage, i.e. in decimals, the value TEN. To perform the addition, the digit bits W i  and X i  are read out in time sequence into a full adder AU, by sequentially shifting the contents of each register to the right, the inter-bit position carries within each digit being recorded by a memory circuit C o . The adder may also be used for binarycoded decimal numbers to provide a subtracting function, an addition of 6 to one operand being always performed and the output of the W register being then fed through an inverter to produce the complement of that one operand with respect to 9. The final output of the adder is then equivalent to a subtraction operation.
Patent GB-285931-A (GB)
Title: Improvements in coin-freed apparatus
IPC: G07F11/24
Filed: 1926-09-20
Abstract: 285,931. Brecknell, Munro, & Rogers, Ltd., and Dolman, K. J. Sept. 20, 1926. Delivery of articles stored in piles; coin action, weiyht.-Relates to coin-freed apparatus of the kind in which the weight of a column of articles rotates a vaned wheel supporting the column, the vaned wheel carrying a release disc normally locked bv a pivoted detent so that, when the detent is rocked bv the action of a coin the vaned wheel is permitted to rotate partly to deliver r an article. According to the invention, the detent 9, Fig. 1, having a nose 11 to engage projections 8 on the release disc 7 which is carried bv the. spindle 3 of the vaned wheel 6, is provided with a tail 21 engageable by the projections 8 so that the detent is thereby returned to its original position ready for actuation by another coin. A coin inserted in a slot 22 passes through testing- mechanism such as described in Specification 275,278 and tilts a lever 13 to release the detent against the action of a spring. In a modification, Fig. 4, the coin operates the detent directly by dropping on an arm 42 of it. The articles may be additionally supported by a flap 27 hinged at 29 and provided with an arm 30 which is depressed against the action of a spring 32 to move the flap aside by pins 31 on the disc 7. Coin-slit closing-devices.- When the articles are exhausted, a. shutter is moved across the coin slit, the shutter being connected to a feeler which moves into the goods magazine, when this is empty.
Patent GB-833211-A (GB)
Title: Improvements in or relating to electrical resistors
Inventor: PEARCE GRAHAM
IPC: H01C1/146
Filed: 1955-08-11
Abstract: 833,211. Resistors; mounting terminals; direct connections between conductors. PAINTON & CO. Ltd. Aug. 10, 1956 [Aug. 11, 1955], No. 23213/55. Classes 37 and 38 (1). A wire-wound resistor has a cylindrical insulating former 1 with an axial hole at each end to receive the terminating lead 4. From the hole the former has a groove 8 in each end face to accommodate the intermediate conductor 5 which joins the resistance wire 2 to the terminating lead. The end holes may pass completely through the former. Various shapes of grooves are described which may be filled with a cement before the resistor is coated with vitreous enamel. Specification 575,297 is referred to.
Patent GB-151467-A (GB)
Title: Improvements in or relating to cooker devices using solid fuels
IPC: F24B1/00
Filed: 1919-09-22
Abstract: 151,467. Wade, H., (Herzog, S.). Sept. 22, 1919. Cooking - stoves; braziers; heat-retainers.-A small stove, consisting of a casing containing a solid-fuel grate, is adapted to fit over a pot-hole of a kitchen range or to be otherwise connected to a chimney, and is designed to heat small cooking- utensils economically. The device consists of a casing 1 supporting a cooking-vessel and containing a U-shaped inner casing 4 and a similarly-shaped fuel-container 6, with a bottom grating 7 and perforations 6<1> to supply air above the fuel. Bulges 6<11> enable the fuel container to engage the sides of the casing 4. Air enters through holes 8 in the casing 1 and a ring 25 or other baffle deflects the gases towards the centre of the stove. The heater is shown mounted on a ring 16 with arms 17 for supporting a heat-accumulator 18, which, when sufficiently hot, is placed in a .cooking-box or the like. Another modification, Fig. 10, has a small charging-hole 9, which is closed by a valve 10 with an observation window 11. It is charged by means of a small shovel, shown in Fig. 7, which may be of such a size as to hold just sufficient fuel to boil a given quantity of water. The heater and the ring 16 are mounted on a hot-plate 20, which has a connexion 23 adapting it to a range. The heater may also be mounted on a pipe bend connecting it directly to a flue.
Patent GB-138061-A (GB)
Title: Process for the production of condensation products of phenols and aldehydes
IPC: C08G8/24
Filed: 1919-09-23
Abstract: Insoluble infusible products are obtained by heating soluble or fusible phenol-aldehyde condensation products with alkaline-earth bases or alkali cyanides for 4-6 hours up to 120 DEG  C. at atmospheric pressure.  Specification 21566/08 is referred to.  The Specification as open to inspection under Sect. 91 (3) (a) describes also the production of insoluble infusible products by heating phenols and aldehydes up to 120 DEG  C. at atmospheric pressure with "pectinising agents," and states that the products may be used in the manufacture of varnishes, lacquers, paints, agglutinants, plastic materials, &c.  This subject-matter does not appear in the Specification as accepted.
Patent GB-925896-A (GB)
Title: Improvements in or relating to the winding of filaments
Inventor: FLANAGAN GEORGE LESLIE
IPC: B65H59/04
Filed: 1958-07-22
Abstract: 925,896. Winding filamentary material. DOW CHEMICAL CO. July 21, 1959 [July 22, 1958], No. 23417/58. Class 120 (2). Winding apparatus in which a supply package is rotated to insert twist into filamentary material being wound has a filament tension sensing device located between supply and take-up stations to control the application of a braking force applied to the supply package. The supply package 5 is mounted in a support 4 rotatable on a spindle 6 by mechanism geared to the takeup mandrel 17 so that the number of twists imparted to each turn of filament wound on the mandrel 17 may be determined, e.g., one twist may be imparted to the filament for each turn wound on the takeup package irrespective of package diameter. A filament tension sensing device including an arm 7 and linkage 12, 14 adjusts the braking force applied by a leafspring 16 to the supply package 5. The traverse mechanism for winding on to the mandrel 17 includes a pivoted arm 18 carrying a pulley and eye 19. The arm 18 is oscillated along the length of the mandrel by a cam-operated rod 20 that carries a spigot 21 which is also controlled by a rocker plate 22. It is stated that " pineapple " packages may be wound.
Patent GB-736092-A (GB)
Title: Improvements in or relating to hop picking machines
IPC: A01D46/02
Filed: 1952-09-18
Abstract: 736,092. Hop-picking machines. BURR, E. H., and STRETTLE, J. Sept. 16, 1953 [Sept. 18, 1952], No. 23447/52. Class 58. A machine for picking hops from lateral stems stripped from bines comprises a pair of superimposed belts 2 carrying co-operating picking fingers or combs 4, which belts have substantially horizontal opposed' reaches and are located over and across a conveyer 5 bearing the lateral stems which are removed manually therefrom, fed between the belts through an opening 3 and then withdrawn against the movement of the picking fingers. Hops picked from the stems fall through the lower belt on to the conveyer.