baber/WOPTO huggingface dataset:
Patent GB-847491-A (GB)
Title: Improvements relating to sewing machines
IPC: D05B19/00
Filed: 1956-10-25
Abstract: 847,491. Sewing machines. ANKER-PHOENIX NAHMASCHINEN A. G., [formerly PHOENIX NAHMASCHINEN AKTIENGESELLSCHAFT BAER & REMPEL]. Oct. 25, 1956 [Oct. 25, 1955], No. 32603/56. Class 112 Needles, shifting laterally. In a zig-zag sewing machine the means for adjusting the magnitude of the needle vibration, the lateral position of the needle, and the magnitude and direction of the material feed are interconnected by a linkage or gear enabling all these adjustments to be effected together. The needle-bar is mounted in a gate 59, Fig. 6, pivoted at 60 and oscillated by a lever pivoted to the gate at 58 and having a forked end 57 engaged by a cam 56 driven through bevel gearing 53, 54 from the arm shaft 52. A pin 61 on the lever engages a groove 62 in a slide 63 rotatably mounted at the end of a lever 66 mounted on a shaft 6. The slide 63 is connected by a link 64 to an arm 65 on a shaft 8. The magnitude of needle vibration is controlled by a lever 7, Fig. 1, on the shaft 8, and the needle position is controlled by a lever 5 on the shaft 6. Feeding work. A cam 68, Fig. 6, on the arm shaft is embraced by the jaws of a lever 69 connected by a pin 71 to a crank arm 72 on the feed shaft 73. A rotatable slide 84 has a groove 82 engaged by a pin 81 on the lever 69. An arm 83 on the slide is connected by a rod 85 to an arm 86 on a shaft 4 carrying a lever 3, Fig. 1, by movement of which the direction and magnitude of the feed can be adjusted. Stitching buttonholes. A bar 9 pivoted at 10 to the lever 5 is provided with cam formations 13, 16 which co-operate with arms 15, 19 on the adjusting levers 7, 3. A cranked lever 21 mounted on a pivot 22 has an arm stressing a spring 24 loading the arm 19, and an arm abutting the bar 9 and connected by a link 26 to a lever 27 journalled on the shaft 8 and carrying a spring 28 loading the lever 15. The buttonhole stitching of Fig. 4 may be produced in four steps by moving the lever 5 to the right to produce the stitching 23, to the centre to produce the stitching 25, to the left to produce the stitching 29, and to the centre to produce the stitching 30. The lever 21 may be turned clockwise by the knob 20 to disengage the bar from the levers 7, 3 so that all adjustments are independent of one another. A modification of the interconnecting linkage is described with reference to Fig. 3 (not shown). Reference has been directed by the Controller to Specification 809,961.
Patent GB-1202276-A (GB)
Title: Improved automated press for installing fasteners in a workpiece
IPC: B21J15/02
Filed: 1967-10-17
Abstract: 1,202,276. Inserting fasteners in workpieces. PENN ENG. & MFG. CORP. 17 Oct., 1967 [8 March, 1967], No. 32610/69. Divided out of 1,202,275. Heading B3U. The subject-matter of this Specification is identical with that described in Specification 1,202,275, but the claims relate to the pneumatic and hydraulic circuit of the press as shown in Fig. 2.
Patent GB-511665-A (GB)
Title: Preparations for promoting the growth of plants
IPC: A01N43/38
Filed: 1938-11-10
Abstract: 511,665. Manures; treating growing plants. HOFFMANN-LA ROCHE & CO., AKT.-GES. F. Nov. 10, 1938, No. 32700. Convention date, Nov. 26, 1937. [Classes 6 (ii) and 111] [Also in Group IV] A preparation for promoting the growth of plants consists of a mixture comprising a glycine of an aralkyl carboxylic acid, the aryl radical of which is phenyl, naphthyl or indolyl, and a diluent. According to examples, y-naphthacetyl glycine (C10H7CH2NHCH2COOH), prepared by reacting gamma-naphthacetyl chloride and glycocoll, is dissolved in a sodium hydroxide solution and the resulting solution is subsequently diluted with tap water; (2) the sodium salt of phenacetyl glycine (C, H, CH2 CONHCH2 COOH), prepared by reacting the chloride of phenylacetic acid and glycocoll, is similarly used; (3) allocinnamyl glycine (C, H, CH=CH CONHCH2 COOH), obtained by the catalytic hydrogenation of phenyl-proprolyl glycine which is itself prepared from phenyl-proprolyl chloride and glycocoll, is converted into a solution of its sodium salt which is diluted with tap water. By dipping cuttings into these solutions, root formation is facilitated.
Patent GB-423320-A (GB)
Title: Improvements in or relating to surgical fracture appliances
IPC: A61F5/04
Filed: 1934-11-23
Abstract: 423,320. Tension apparatus; clamps. FORD, A. O., The Cottage, Worcester Road, Moreton-in-Marsh, Gloucestershire. Nov. 23, 1933, No. 32760. [Class 81 (ii)] [See also Group X] A surgical appliance for supporting a fractured limb while applying tension comprises a metal U-tube 1 provided at each end with a universally adjustable clamp 2 for attachment to a bedstead or the like. Each clamp includes a split tubular element 3, Fig. 4, closed by means of a wing nut and bolt 4, 5, and pivoted by a bolt 6 to a pair of hinged jaws 7, 7<a> closed by means of a wing nut 9 and pivoted bolt 10. A splint 15 is supported from a pulley 13, a second pulley supporting the cord 17 of a weight 16. Each pulley is mounted on a spindle 12, Fig. 3, which traverses an aperture 11 in the tube 1 and is secured by means of jaws 18 adapted to be clamped on the tube by means of a wing nut 19. A lug 18<a> prevents slipping out of the cord.
Patent GB-803190-A (GB)
Title: Improvements in or relating to pump assembly
IPC: F04D3/02
Filed: 1955-11-16
Abstract: 803,190. Centrifugal pumps. BORGWARNER CORPORATION. Nov. 16, 1955 . [Dec. 13, 1954], No. 32776/55. Drawings to Specification. Class 110 (1). A mixed-flow pump comprises a pair of inlets leading to and an outlet leading from the impeller chamber, and the impeller defines with the impeller chamber a number of passages of diminishing cross-sectional area from each inlet to the outlet whereby fluid in the form of a mixture of vapour and liquid having an initially high vapour content at the inlets is discharged from the outlet in the form of a liquid or in the form of a mixture having a low vapour content. The impeller is of doubleconical form, tapering towards each end, but in other respects is similar to the single-conical impeller described in Specification 783,468.
Patent GB-265931-A (GB)
Title: Aldehyde amine condensation products
Filed: 1926-12-29
Abstract: 265,931. Grasselli Chemical Co., (Assignees of Burnett, W. B., and Williams, I.). Feb. 12, 1926, [Convention date]. Aldehyde-amine condensation products.-Products suitable for use as accelerators in the vulcanization of india-rubber are obtained by condensing one molecular proportion of an aminocompound with at least two molecular proportions of an aldehyde, having more than two carbon atoms in the molecule, in the presence of an acid or an acidic substance. Suitable acids are acetic, propionic, n-butyric, stearic, oleic, salicylic, picric, hydrochloric, phosphoric, and sulphuric acids, and suitable acidic substances are zinc chloride, amine salts, and acid anhydrides and halides. The amount of acid or acidic substance used is preferably about 0.2 molecular proportion for each molecular proportion of amine. The aldehyde may be taken in excess of the amount required to react, the excess being removed by distillation. Reference is made to o-toluidine as a suitable amine and to cinnamic aldehyde and aldehyde polymers as suitable aldehydes, in addition to the components specified in Specification 263,853. In examples describing the condensation of n-butyraldehyde (5 mols.) with aniline (1 mol.), the acids used are n-butyric acid, in various proportions, sulphuric acid, stearic acid, and acetic acid, and in two of these examples a part only of the aldehyde is condensed, the remainder being removed bv distillation. Other examples describe the condensation of (1) n-butyraldehyde (5 mols.) with o-toluidine (1 mol.) in presence of n-butyric acid and with removal of excess of aldehyde, (2) n-butyraldehyde (3 mols.) with aniline (1 mol.) in presence of n-butyric acid, and (3) heptaldehyde (3 mols.) with n-butylamine (1 mol.) in presence of nvaleric acid. The Specification as open to inspection under Sect. 91 (3) (a) refers to Specification 249,113. This reference does not appear in the Specification as accepted.
Patent GB-1066478-A (GB)
Title: Method of and apparatus for determining instants at which the instantaneous frequency of an electrical signal of changing frequency has predetermined values
Inventor: BEEVERS COLIN LIONEL
IPC: G01P15/16
Filed: 1964-08-12
Abstract: 1,066,478. Electric selective signalling. NATIONAL RESEARCH DEVELOPMENT CORPORATION. July 26, 1965 [Aug. 12. 1964], No. 32898/64. Heading G4H. The instants at which an electrical signal of changing frequency has frequencies which are integral multiples of a fixed frequency are determined. The speed of a magnetic rotor decelerating from a standard initial speed in a magnetic field due to magnetic losses is detected by two photo-cells sensing a toothed disc, the photo-cell outputs being used to amplitude modulate strobe pulses from an independent generator, the lower sideband frequencies in the two cases then being selected by respective filters after waveform broadening in ringing chokes. The sideband waveforms have a phase difference of Œ 90 degrees depending on whether the photocell frequency is greater than or less than the nearest integral multiple of the strobe frequency. The discontinuous phase change occurring at equality is detected using Schmitt triggers with a first threshold level receiving the filter output to produce outputs cross-coupled to two AND gates (some via monostables), pulses being produced by one of the gates until equality and then by the other. The two AND gates feed respective input sides of a bi-stable device, the two output sides of which are connected via monostables to respective further AND gates which also receive the outputs of Schmitt triggers having a common second threshold level and receiving the filter outputs. One of the further AND gates, depending on whether the speed is increasing or decreasing, produces an output pulse for each equality between the frequencies (see above) and these pulses are counted in a reversible counter. Those representing decrease are also fed to a further counter counting clock pulses to cause read out (to a punch) and reset. The counter reading is also punched out when the speed reaches zero as detected by a Schmitt trigger receiving a D.C. voltage obtained by an R-C circuit from the output of one of the photo-cells. Measurement of satellite (Doppler) and turbine speeds are also mentioned.
Patent GB-1475134-A (GB)
Title: Telecommunication system using optical fibres
IPC: H04B10/29
Filed: 1974-07-25
Abstract: 1475134 Optical fibre to communication system THOMSON-CSF 25 July 1974 [27 July 1973] 33001/74 Heading G1A [Also in Division H3] In an optical fibre telecommunication system, the repeater amplifiers or whole system has optical negative feedback.  As described, the transmission is by amplitude modulated light signals which are received from light fibre 104, by photo-diode 2, amplified at 1 and fed to GaAs LED 6. The modulated light output from LED 6 is fed into light fibre 104 and also into light fibre 11 which feeds a portion back to the input photo-diode 2. A slidable attenuator varies the amount of feedback. In alternative embodiments, the optical feedback may be over two or more amplifiers, and the feedback may be direct from LED to photo-diode without a light fibre. The photo-diode may be doped silicon coated with gold on a locking of aluminium.
Patent GB-982860-A (GB)
Title: Improvements in or relating to assemblies having sealing means located between relatively moving surfaces
IPC: F16J15/32
Filed: 1962-08-28
Abstract: 982,860. Piston and stuffing-box packing. D. A. VENTRESS. Aug. 28, 1962 [Sept. 13, 1961], No. 33018/62. Headings F2B and F2T. Sealing means between relatively reciprocable parts, for example a cylinder 1 and a piston 2 or a cylinder end wall 11 and a pistonrod 3, comprises a resilient O-ring 10, 15 which is housed in a peripheral groove 5, 12 in one of the members for rolling movement therein, which is retained by the sides of the groove against axial movement during relative reciprocating movement of the members. The groove is V-shaped and its walls are surfaced with polytetrafluoroethylene 8, 14. During operation the ring 10, 15 rolls on the cylinder wall 9 or the rod surface 16 and rolls and slips simultaneously in the groove 5, 12.
Patent GB-869962-A (GB)
Title: Method of purifying diorganodihalogenosilanes
IPC: C07F7/20
Filed: 1958-10-16
Abstract: A diorganodichlorosilane of greater purity is obtained from mixtures of such silane and an organotrichlorosilane in which the trichlorosilane comprises at most 20% by weight of the mixture by adding a solution of water and an ether miscible with both the water and silanes, the amount of water being substantially less than that required to hydrolyse the dichlorosilane and being from 0,5 to 2 moles per mole of the trichlorosilane, and recovering the dichlorosilane, e.g., by distillation.  The ether, which effects a preferential hydrolysis of the trichlorosilane, is preferably in an amount of 2 to 50 moles per mole of water. Specified ethers are dioxane, tetrahydrofuran, diethyl ether and dipropyl ether.  Reaction may be carried out at room temperatures or up to 150 DEG C.  The organic radicals on the silanes may be alkyl, alicyclic, aryl, alkaryl, aralkyl and alkenyl, and they may be substituted, e.g., by halogen, cyano and amino groups. Specification 712,059 is referred to.
Patent GB-190471-A (GB)
Title: Improvements in an adjustable holder device for incandescent electric lamps
IPC: H01K1/46
Filed: 1922-12-04
Abstract: 190,471. Poitou, J. B. Dec. 15, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Caps; holders; multiple-filament lamps.-The caps have a polygonal head 4, and the bulb 1 is secured in the holder 11 by hooks 9 engaging beneath a fillet 7 on the cap. The hooks may be pivoted and provided with set-screws 8, or they may be spring hooks rigidly mounted. In multiple-filament lamps, the filaments are connected each to a terminal 5 and all to a common terminal 6.
Patent GB-304880-A (GB)
Title: Improvements in and relating to cam devices
IPC: D06J1/06
Filed: 1927-12-08
Abstract: 304,880. Ezbelent, G., and Ezbelent, R. Dec. 8, 1927. Addition to 267,873. Pleating. - A modification of the pleating-machine &c. cam of the parent Specification comprises a form in which the peripheral spindles 2 carrying eccentric rollers 3 are mounted in a single disc or plate 1 and are each retained in various set positions by a spring blade 6 bearing against a polygonal collar 5 on or adjacent to the operating knob 4. Alternatively, a spring-pressed pin may engage recesses in a circular collar. The spindle of the roller 3 on the actuated lever 7 may be similarly arranged, or it may be arranged as in the parent invention.
Patent GB-1474959-A (GB)
Title: Nuclear power generating system
IPC: G21D3/04
Filed: 1974-07-26
Abstract: 1474959 Nuclear power plant COMBUSTION ENG Inc 26 July 1974 [31 July 1973] 33207/74 Heading G6C  Nuclear power plant (Fig. 1) in which a bypass system 48 is operative to divert working medium from passing to a turbine 34 under turbine load-shedding conditions, and in which a protective system 46 is operative to shut-down the reactor in such conditions, comprises means to inhibit reactor shutdown in such conditions if it is established that the by-pass system 48 can divert sufficient of the working medium as to enable the reactor to continue operating safely. The plant is such that normally a certain percentage of shed turbine load can be tolerated without shut-down being necessary (e.g. up to 15% of the shed load can be accommodated by continued operation of the reactor but at higher power). The by-pass system comprises valves 52 (Fig. 2) which, when in an automatic mode A, provide availability signals 76 from which individual capacity signals 80 are derived by multiplication of the signals 76 by weighting factors K1, K2, K3, K4 (these correspond to the capacity of each valve, in terms of the percentage of reactor power that can be diverted thereby), and subsequently a total capacity signal 84 is formed at 82. At 86 the signal 84 is increased by a bias signal 88 representing the aforementioned ability of the plant to accommodate a certain proportion of the shed load without reactor shut-down occurring, to give a capability signal 90 which is compared at 98 with a reactor power signal 94 (derived from neutron flux probe 96). If the resultant signal is positive, a binary "1" signal 104 is generated and forms an inhibit signal 72 applied to the protective system 46 to prevent reactor shut-down resulting from the loadshedding (although shut-down can still result from other causes). Thus, 100% turbine loadshedding can be managed, without reactor shut-down, if the by-pass system has the capacity to divert 85% of the shed load. In a modification (Fig. 3, not shown) condenser availability (to receive working medium from the by-pass system) is also taken into account in the generation of the inhibit signal.
Patent GB-175441-A (GB)
Title: Improvements in and relating to casement windows and hinges therefor
IPC: E05D15/00
Filed: 1920-11-24
Abstract: 175,441. Lundell, V. S., and Eckberg, G. E. Nov. 24, 1920. Double and sliding hinges; pivoting-adjustments.-The windows are hinged by upper and lower link members 24 pivotally mounted in attachment plates 12, 18 secured to the frame 10 and window 11 respectively, each plate 12 having a slot 13 in which a pin 26 carried by the window is slidable when the window is moved into the position shown in Fig. 3. A cam locking-device is mounted on the lower pin 26, so that by turning the hand-lever 28 the window is secured in any adjusted position. The co-operating attachment plates are shown in Figs. 6 and 7, the links 24 having lugs engaging holes 17, 23. The plates have flanges 19, 14 and inclined end edges 21, 15. Mounted on the lower pin 26 and between the plates 18, 12 is a plate 34 with pins 35 with which engage bevelled surfaces of the locking member 33 when the handle 28 is rotated. This method of slidably hinging casements is also described as applied to steel casements.
Patent GB-1326216-A (GB)
Title: Chrominance sigal takeoff network
IPC: H04N9/78
Filed: 1970-07-08
Abstract: 1326216 Colour television ZENITH RADIO CORP 8 July 1970 [15 Aug 1969] 33244/70 Heading H4F To compensate for a non-linear frequency characteristic in the video channel of a colour television receiver due to attenuation of the higher frequencies of the chrominance signal, a frequency-selective take-off network is used for the chrominance channel, the network comprising a series circuit 20, 21 tuned to a frequency just above the chrominance band (e.g. 4À2 MHz), the inductor 21 being shunted by a capacitor 22 and variable damping resistance 23, 25. It is shown that by suitable choice of reactance values the amplitude of the chrominance subearrier supplied to 16 may be made independent of the setting of 23, which thus provides a variable chrominance characteristic control.
Patent GB-672886-A (GB)
Title: Improvements in and relating to the production of artificial dust clouds
IPC: E21F5/00
Filed: 1948-12-24
Abstract: 672,886. Powder distributers. WRIGHT, B. M. Jan. 17, 1950 [Dec. 24, 1948]. No. 33262/48. Class 18 [Also in Group XXIX] Apparatus for producing artificial dust clouds comprises a dust container within which is a relatively rotatable and axially movable piston-like member having a scraper face for loosening the dust so that it may be carried away by a current of air passing across the scraper face from behind the piston-like member and thence through a tubular stem attached to the piston-like member. As shown, a dust container 1 has a detachable toothed end cap 2 rotatably mounted on a hollow lead screw 6 through which passes an outlet tube 10 provided with a scraper head 11 having a radially cut spring disc 15 that presses against the parted dust in the container. The screw 6 is rotatable on a tube 7 whose inner face is spaced from the tube 10 to provide a passageway to the inside of the container for compressed air introduced through a side tube 8, the air passing from the container through a notch and channel in the scraper head and thence to the outlet tube 10. When the container is rotated by a pinion 3, dust removed from the mass by the relatively stationary scraper is carried away in the air stream, passed through a jet 12 and dispersed by a plate 13. The pinion 3 is driven through an integral pinion 5 by a toothed wheel 4 on the lead screw 6 which is rotated by an electric clock motor. The pinion 5 may be lifted on springs of the wheel 4 to permit repositioning of the container and the lead screw 6 and tube 7 are engaged by a spring ring 14 to permit disengagement if the piston pressure becomes excessive.
Patent GB-1003402-A (GB)
Title: Improvements in or relating to conveyors for conveying sand and like material
Inventor: ORWIN OLAF JOHN BARCLAY
IPC: B65G19/14
Filed: 1962-08-30
Abstract: 1,003,402. Endless conveyers. FISHER & LUDLOW Ltd. Aug. 30, 1963 [Aug. 30, 1962], No. 33273/62. Heading B8A. The lower end of a conduit portion 16 of an endless scraper conveyer is provided with means for injecting air under pressure into the conduit. Sand or other fine solid material being conveyed is thus prevented from accumulating in bulk at the bottom of the upwardly inclined portion 16. Air nozzles 24 each comprise adjustable air discharge passages and are supplied via pipes 25 with air which may be at a pressure of the order of 80 1b/square inch. An inert gas, e.g. nitrogen, may be used in place of air. Sand is fed in to collecting shoots 20 and is discharged into a hopper 21. The endless conveyer member is provided with a drive unit 18 and an idle sprocket unit 19. Specification 647,247 is referred to.
Patent GB-838692-A (GB)
Title: A process for the production of hydrazine compounds
IPC: C01B6/00
Filed: 1958-10-17
Abstract: Borine addition complexes of hydrazine and hydrazines carrying organic substituent radicals are prepared by reacting a metal borohydride with a salt of hydrazine or of a hydrazine carrying at least one organic substituent radical, preferably in a solvent. Alkali and alkaline earth metal borohydrides are used and hydrohalide salts of the hydrazines are preferred.  Solvents may be organic amines, heterocyclic nitrogen bases, or ethers.  In examples: (1) BH3.NH2.NH2.BH3 is produced by reacting (N2H6)Cl2 with NaBH4 in pyridine; (2) C6H5NH.NH2.BH3 is produced by reacting (C6H5NH.NH3)Cl with NaBH4 in tetrahydrofuran.  The product may be isolated from the resulting solution.ALSO:Borine addition complexes of hydrazine and hydrazines carrying organic substituent radicals are prepared by reacting a metal borohydride with a salt of hydrazine or of a hydrazine carrying at least one organic substituent radical, preferably in a solvent. Alkali and alkaline earth metal borohydrides are used and hydrohalide salts of the hydrazines are preferred. Solvents may be organic amines, heterocyclic nitrogen bases, or ethers.  In examples: (1) 2(BH3.NH2. NH2.BH3).C5H5N is produced by reacting (N2H6)Cl2 with NaBH4 in pyridine; (2) C6H5NH.NH2.BH3 is produced by reacting (C6H5NH.NH3)Cl with NaBH4 in tetrahydrofuran. The product may be isolated from the resulting solution.