baber/WOPTO huggingface dataset:
Patent GB-1106500-A (GB)
Title: Apparatus for feeding loose flowable materials to weighers
IPC: G01G21/00
Filed: 1966-10-03
Abstract: 1,106,500. Shoots; jigging conveyer. FR. HESSER MASCHINENFABRIK A.G. 3 Oct., 1966 [12 Oct., 1965], No. 44006/66. Headings B8A and B8S. [Also in Division G1] An automatic feed weigher W having two weighing receptacles 5, 7 is provided with a feeding arrangement comprising a main vibratory shoot 1 which directs material to be weighed to the weighing receptacle 7 via an endless belt conveyer 19 and an auxiliary vibratory shoot 2 which is mounted in the shoot 1 and which is arranged to direct a fine stream of material to the weighing receptacle 5 via an oscillatable spiral shoot 3 and a vibratable stepped shoot 4. A driving unit 9 is arranged to drive the endless belt conveyer 19 and an eccentric 17 which vibrates the shoot 1 until a predetermined weight of material has been directed to the weighing receptacle 7. The conveyer 19 and eccentric 17 are then uncoupled from the unit 9 to arrest the feed and after a time interval determined by a cam drive 23 a door 24 in the base of the receptacle 7 is opened to discharge the weighed material into the receptacle 5. Dribble feed of material via shoots 2, 3, 4 is then effected until a predetermined weight of material is present in receptacle 5. The spiral shoot 3 which may be -semicircular in cross-section is arranged to be vibrated during dribble feed by a rod 10 and shaft 11 reciprocatingly driven by an eccentric 8 connected to the unit 9 whereas the shoot 4 which is provided with a plurality of step portions 13, 14, 15 is arranged to be vibrated during dribble feed by an electromagnet 12. An electromagnetically operated baffle flap 21 may be provided to aid the cut off of feed from the conveyer 19.
Patent GB-1487142-A (GB)
Title: Casting machine
IPC: B22D25/04
Filed: 1975-10-27
Abstract: 1487142 Continuous casting sheet metal COMINCO Ltd 27 Oct 1975 [28 Oct 1974] 44120/75 Heading B3F A machine for continuously casting metal sheet comprises a trough 25 for molten metal, a stationary outer frame 61 which surrounds the trough along its sides and one end, an inner frame 62, pivotally mounted in the stationary frame and a rotatable casting drum 60 supported in the inner frame, course and fine adjustment means 71, 74 respectively for pivoting the inner frame so as to vary the height of the drum within the trough to control the thickness of the metal deposited on the drum and hence the thickness of the cast sheet produced means for raising and lowering one side of the inner frame to permit levelling of the drum with respect to the level of metal in the trough and means for pivoting the inner frame with respect to the outer frame to completely remove the drum from the casting trough. The trough 25 is mounted above a furnace 3 and the molten metal therein is fed by a pump 10 via conduits 15, 18 and 26 into a holding region 31 of the trough 25 which incorporates weirs and baffles 30, 29, 35, 32, 34 to prevent the inclusion of dross and to control the level in both the holding region 31 and the casting region 37 in which the surface of the drum 60 is immersed as the drum rotates. Inert gas is supplied to the holding region 31 by way of inlet 42 in the cover 41. Excess molten metal fed to the trough passes into an overflow compartment 28 between weirs 29 and 30 and returns to the furnace 3 through a pipe 20. The cast metal sheet is withdrawn from the drum surface as it rotates and is conveyed on table portions 111 and 112 to an edge trimming device 130 which includes a pair of rollers 131, 132 with slitting knives at each end. The waste edges are subsequently conveyed by feed rollers to a rotary cutter 200 which cuts the edge portions up into suitable size pieces 103. The trimmed sheet subsequently passes to a thickness gauging device and then via withdrawal rollers 121, 122 to reeling unit 125. The thickness gauging device includes a roller 151 and biased roller units 152 between which the sheet passes, the units incorporating transducers which transmit pulses which are indicative of the thickness of the sheet as it passes through the device. The roller sensing units 152 are pivotable out of engagement with the sheet. Appropriate tensions are applied to the sheet metal during the whole process to ensure satisfactory. The information received by the thickness gauging device may be utilized to control the position and speed of rotation of the drum and hence control the thickness of the metal cast. The rotation of the drum may be by independent drive means, or belt drive means 210 may be used to drive the drum 60, trimming device 130, cutting device 180 and the withdrawal rollers 121, 122 simultaneously
Patent GB-1457650-A (GB)
Title: Method for concentrating macromolecules
IPC: B01D9/04
Filed: 1974-10-14
Abstract: 1457650 Concentrating proteins UNITED STATES ENERGY RESEARCH & DEVELOPMENT ADMINISTRATION 14 Oct 1974 [31 Oct 1973] 44334/74 Heading C3H [Also in Division B1] Macromolecules are concentrated by enclosing a prime liquid, e.g. urine, plasma, serum or vaccines containing macromolecules, e.g. protein, as a solute or suspension within a dialysis membrane, immersing the membrane within a bath of the solvent or suspending medium, freezing the bath and removing the membrane containing the concentrated macromolecules from the frozen bath. The membrane may be removed by thawing. The process is exemplified by the concentration of protein in urine using a bath of water.
Patent GB-1477716-A (GB)
Title: Crop roll forming machines
IPC: A01F15/14
Filed: 1974-10-14
Abstract: 1477716 Roll balers SPERRY RAND CORP 14 Oct 1974 [12 Oct 1973] 44363/74 Heading A1F A crop roll forming machine has an apparatus 110 on the frame 10 of the machine which feeds wrapping material, e.g. twine 149, to a rotating roll and which includes a device 172, Fig. 3, to vary the tension of the material. The apparatus comprises a twine guide tube 146 with a dispensing end 152 mounted on a disc 140 which is rotated by a belt 142 and pulley 130, 132, 134 system from a rod (122), Fig. 1 (not shown), with a handle (123). The guide tube 146 is held in its inoperative position A by a spring-biased bifurcated lever 162. The tension varying device 172 comprises a spring-urged clamping plate 174 under which the twine is fed, Fig. 4 (not shown) before reaching the entry end (148) of the guide tube 146. A tension arm 180 acts on the clamp plate under the influence of a crank plate 184 tensioned by a spring 185. The crank plate is moved by an over-centre actuating device 194 with an arm 193 which is moved by pins 200, 202 on the disc 140. The twine is fed under tension to the rotating roll after its formation and when the twine is partially encircled the pin 200 engages the actuating device 194 which in turn operates the crank plate 184 causing the clamp plate 174 to apply more tension. After wrapping the guide tube is retracted and the twine is severed by a fixed knife 168. The guide tube has a pair of mating plates (153), (154), Fig. 4 (not shown) to prevent retraction of the twine.
Patent GB-1048410-A (GB)
Title: Polyphase rectifier arrangements
IPC: H02M7/06
Filed: 1965-10-22
Abstract: 1,048,410. Rectifying ; rectified supply systems. SIEMENS-SCHUCKERTWERKE A.G. Oct. 22, 1965 [Nov. 5, 1964], No. 44951/65. Headings H2F and H2H. A polyphase rectifier arrangement has a rectifier bridge 2 fed from a transformer whose primary phases are connected with back-to-back pairs of controlled rectifiers 6 to 11 to the supply phases R, S, T and whose star point is connected to the neutral of the supply. Preferably the controlled rectifiers are silicon thyristors.
Patent GB-1367882-A (GB)
Title: Seals
IPC: F16J15/32
Filed: 1971-12-21
Abstract: 1367882 Shaft seals CHARLES WESTON & CO Ltd 21 Dec 1971 [22 Sept 1970] 45029/70 Heading F2B A lip type seal for use between members rotating at different speeds, e.g. a housing and a shaft 16, comprises a P.T.F.E. sealing washer 15 clamped in a casing 10 by a clamping ring 14 and having a sealing lip loaded by an axially movable ring 17, means being provided to prevent relative rotation between the ring 17 and the casing 10. The ring 17 is urged by spring 18 against the sealing lip and has a thread 20 on its inner periphery which co-operates in use with the shaft to exclude grit. To facilitate assembly of the seal on the shaft, the ring 17 can be retracted from the lip by screws 22 engaging threaded holes 21 in the ring, as in Fig. 2. An indentation 19 in the ring 14 engages a recess 20 in the ring 17. The washer 15 may be of fibreglass or metal filled P.T.F.E. and the ring 17 is preferably of the same material as the shaft 16 but may be of P.T.F.E. or other plastics. The invention may also be applied to an externally acting seal, Fig. 3 (not shown).
Patent GB-1073888-A (GB)
Title: Method of inhibiting precipitation and scale formation
IPC: C07F9/38
Filed: 1965-10-25
Abstract: The precipitation of scale-forming salts, such as alkaline earth metal carbonates, sulphates, oxalates, phosphates, fluorides and silicates, in an aqueous system, e.g. on a metal surface in contact with water or brine, is inhibited by adding to the system an amino methyl phosphonate compound of the general formula <FORM:1073888/C6-C7/1> an alkali metal e.g. Na, and n is 1, 2 or 3, the amount of compound added being such that e.g. up to 100 ppm the weight ratio of compound to cation component of scale-forming salts does not exceed 0.5:1.  Preferably the compounds used are (CH2)2N2 [CH2PO(OM)2] 4, N [CH2PO(OM)2]3 or (CH2CH2OH)2-NCH2PO(OM)2 where M is H and/or Na.  The process is applicable in inhibiting BaSO4 precipitation is water production wells.
Patent GB-1400249-A (GB)
Title: Electromagnetic friction devices
IPC: F16D27/112
Filed: 1972-09-29
Abstract: 1400249 Electromagnetic clutch; full-face disc and electromagnetic brakes; noise reduction; mounting parts on shafts BENDIX CORP 29 Sept 1972 [29 Sept 1971] 45171/72 Headings F2C F2E and F2U In an electromagnetic clutch or brake in which a stationary coil 16 is energized to bring torque transmitting members 25, 20 together, the member 20 is attached to a drive shaft 40 through a flexible spring member 7 and has a radial slot 50 (Fig. 2) in it. The spring 7 provides a force to disengage the clutch or brake surfaces, reduces noise and allows non-parallel surfaces to engage more uniformly (as does the slot 50). A clutch is shown, with both torque transmitting members 20 and 25 rotatable, but either of these may be fixed for use of the device as a brake.
Patent GB-452822-A (GB)
Abstract: 452,822. Control systems for discharge lamps. NEOLUMEN SOC. CO-OPERATIVE, 28, Coupure, Ghent, Belgium. Oct. 29, 1935, No. 29823. Convention date, Nov. 29, 1934. [Class 38 (iv)] [See also Group XL] Switching control.-The Specification as open to inspection under Sect. 91 describes the supply to a sign having a number of electrodes corresponding and connected to contacts 1-16 on a switch with a rotating arm, which has two bridging contacts K, C, one for the primary circuit of a transformer T, the other in the secondary circuit and connecting the contacts 1-16 and. a long contact D in turn to a ring contact connected to the secondary winding. In the primary circuit are included resistances R1, R2, R3 to regulate the voltage according to the length of tube in circuit. The primary circuit is closed just before the secondary during the rotation of the switch arm, insulating pieces A, B, corresponding to periods of non- illumination ; the device gives the effect of writing. With two or more tubes and corresponding transformers contacts as described above are duplicated or otherwise repeated on one switch. This subject-matter does not appear in the Specification as accepted.
Patent GB-1508738-A (GB)
Title: 2-chloroquinolines and their use as coccidiostats
IPC: C07D215/227
Filed: 1976-07-29
Abstract: 1508738 2 - Chloro - quinoline - derivatives IMC CMEMICAL GROUP Inc 29 July 1976 [6 Aug 1975] 45296/77 Divided out of 1508737 Heading C2C  Novel compounds of the Formula I wherein R is 5-chloro and R<SP>1</SP> is H or R is 7- chloro and R<SP>1</SP> is phenyl, may be prepared by reacting a compound II with phosphorous oxychloride. The compound II in which R is 7-chloro and R<SP>1</SP> is phenyl is among the compounds claimed per se in parent Specification. Compositions of the compound I may be administered orally to poultry to combat coecidiosis. The composition is in the form of poultry feed.
Patent GB-1277836-A (GB)
Title: Turbomachine rotor
Inventor: WAGLE JOSEPH ALBERT
IPC: F01D5/08
Filed: 1970-09-24
Abstract: 1277836 Turbomachine rotors; axial-flow compressors GENERAL MOTORS CORP 24 Sept 1970 [3 Oct 1969] 45479/70 Headings F1C and FIT To reduce thermal gradients in a compressor rotor 8 having front and rear discs 10, 11 and an annular cavity 18 a small quantity of air is diverted from the working flow to the cavity through scoop tubes 26 mounted in the blade roots 23. The hot diverted air flows radially inwardly due to differential density to warm the hub regions of rotor 8, cooler, denser air being displaced radially outwardly by centrifugal force to pass through ports 31 and rejoin the working flow. Equalization of temperatures in the rotor is also assisted by insulation 32 at the hub. Discs 10, 11 are secured together by welding, brazing, diffusion bonding or bolting.
Patent GB-1197443-A (GB)
Title: Improvements in or relating to Apparatus for Cleaning Dust Laden Air
Inventor: BENNETT JOHN HUBERT
IPC: B01D46/02
Filed: 1966-10-12
Abstract: 1,197,443. Gas fitter. BRITISH UNITED SHOE MACHINERY CO. Ltd. 6 Oct., 1967 [12 Oct., 1966], No. 45613/66. Heading B1T. A filter for cleaning dust-laden air from a leather roughing machine comprises an array of woven fabric filter bags 15 arranged across a housing below an electric-powered extractor fan (11) (Fig. 1, not shown), the bags being of flat rectangular form with flaps 35, 37 (Fig. 2, not shown), adjacent their open upper ends, folded outwards and secured by adhesive to the sides and cross members of upper frame 19 from which they are suspended. Rods 49, extending along the closed bottoms of the bags, are individually urged downwards in a lower frame 39, through whose sides the ends of the rods project, by rubber strips 59 which are threaded over rods 49 and under projections 61 along the two sides of frame 39. This allows for variations in bag lengths, and in addition the frame 39 is urged downwards by tension springs 41. A hand-operated crank 79, 81 lifts frame 39 and allows it to snap downwards to shake dust from the bag exteriors. The walls of the bags are supported by internal hair pads (67). Dust shaken from the bags falls into a dust drawer (71) which is removable from the housing after raising sealing frame (75). The central portion of the housing has a transparent window for observing bags 15.
Patent GB-1508487-A (GB)
Title: Dielectric induction well logging methods
IPC: G01V3/30
Filed: 1975-11-04
Abstract: 1508487 Well-logging TEXACO DEVELOPMENT CORP 4 Nov 1975 [9 Dec 1974] 45717/75 Heading G1N The conductivity and permittivity of an earth formation in the vicinity of a well borehole is determined from the total field amplitudes of the electromagnetic field received at two positions spaced along the borehole axis when an R.F. field in the range 10 to 60 megahertz is applied to the formation. A sonde 11 includes a transmitting coil 17 operating at a frequency of 30 megahertz a dual receiver coil 18, 19 and a single coil receiver 21. The outputs from the two receivers proportional to the total field amplitudes at 30 megahertz are converted to respective I.F.'s and fed to surface amplifier 29. The signals are then divided into their two components on to 30 and fed to respective detectors 31, 32. The detector outputs are applied to a water saturation and residual oil saturation computer 25 where they are normalized and compared with a cross-plot of theoretically derived values for the outputs amplitudes Fig. 2 (not shown) from which the value of conductivity and permittivity can be obtained e.g. by interpolation and curve fitting. Alternatively the system can be calibrated in test boreholes having formations of known characteristics and the resulting calibration curves are used in computer 25. A memory device 26 is also provided which has stored therein values corresponding to the graphical representation of the permittivity of the formation plotted as a function of porosity for different water saturations and porosity for different residual oil saturations Figs. 3A, 3B (not shown). Computer 25 then calculates water saturation and oil saturation from the calculated value of permittivity.
Patent GB-1435117-A (GB)
Title: Windows
IPC: E06B7/14
Filed: 1973-10-02
Abstract: 1435117 Window frames HARDALL Ltd 19 Sept 1974 [2 Oct 1973] 45999/73 Heading E1J A window frame bar of channel crosssection the web of the channel being at an acute angle to an outer limb 24, both limbs having vent holes 42, 44. The holes 42, 44 are not in register. Channel 20 receives an insert (32) seating a panel edge.
Patent GB-1220895-A (GB)
Title: Delay arrangement
IPC: H03H11/12
Filed: 1968-09-27
Abstract: 1,220,895. Delay arrangements. TELEFONAKTIEBOLAGET L.M. ERICSSON. 27 Sept., 1968 [9 Oct., 1967; 28 Sept., 1967], No. 46150/68. Headings H3T and H3U. A delay arrangement comprises a ladder network including a plurality of series-connected elements and shunt elements, also including two signal sources connected at points between the input and output terminals of the ladder network such that each of two of the signal sources is arranged to be in connection across a respective shunt element via at least one series element, the two signal sources being arranged to transmit signals dependent on a signal supplied to the input terminals and of opposite polarities to one another. In an embodiment, the shunt capacitors of an L, C, ladder network are returned to a signal source e 0 , Fig. 1, while the terminating resistor 10 is returned to a source - e 0 . The two additional signal sources may be returned to the input of the filter, instead of to earth (Fig. 4, not shown). In a modification each of the inductors in the series element of the ladder network is followed by a shunt capacitor connected to a low impedance source 31, Fig. 3, of the same polarity as the input signal and a shunt resistor 10 connected to a high impedance source 32 of reverse polarity; the delay may be varied by variation of the magnitude of the low impedance source 31. In a similar arrangement, buffer stages are connected between the elements of the ladder network (Fig. 2, not shown). A further embodiment comprises an R, C, filter network employing feedback, capacitor 53, Fig. 5, being returned to the emitter of an emitter follower connected to the output of the ladder network. The Specification also illustrates a more complex network of this type (Fig. 7, not shown).
Patent GB-1375058-A (GB)
IPC: G01N3/08
Filed: 1972-10-06
Abstract: 1375058 Continuous testing of wire and strip LEONISCHE DRAHTWERKE AG 6 Oct 1972 46297/72 Heading G1S In a process for the continuous regulation of the yield strength and/or the modulus of elasticity of metal or non-metal wire or strip 20 the wire is tensioned and stretched to a particular known yield strength or modulus by first passing it around wheels 7 and 12 and then passing it back around wheel 8, the wheels 7, 8 being fixed together but rotatable on axle 6 and being of slightly different circumference, the difference being the amount it is necessary to stretch the wire and the tension in the wire being regulated by a spring 13 and measured by a displacement device 15. In the course of passing over these wheels the wheel 12 is moved upwards or downwards on its fixed axle I 1 mounted on the arm 10 pivoted at 9, its movement depending on the tension necessary to pass and stretch the wire around the wheels at the required stretch. This tension is kept more or less constant and the arm 10 horizontal, according to the required yield strength and or modulus of elasticity of the material of the wire, by arranging that any movement up or down of the wheel 12 causes the other end of the arm 10 also to move under the restraint of a damper 14 to operate a length measuring gauge 15 which also produces signals in circuits, Figs.5 and 6 (not shown) to control a wire annealing device and therefore the wire tension and stretch, thus regulating the yield strength.
Patent GB-1426489-A (GB)
Title: System of friend/foe identification
IPC: G01S17/74
Filed: 1973-10-04
Abstract: 1426489 Laser radar ELTRO GmbH GES FUR STRAHLUNGSTECHNIK 4 Oct 1973 [19 Oct 1972] 46455/73 Heading H4D In a laser radar I.F.F. system for two vehicles 1, 6, the first vehicle 1 transmits a pulse coded laser beam 3 to interrogate the second vehicle 6  where it is received at 7, decoded at 9 and displayed at monitor 10. A coded reply, as ordered in coder 12, may be sent back to the first vehicle 1 by means of laser transmitter diodes arranged round the receiver 7, or over a radio link 17, 18, 19. At the first vehicle's decoder 14 the reply is analysed and a decision on whether or not to fire made.
Patent GB-1028308-A (GB)
Title: Fluid control apparatus
IPC: B64D13/04
Filed: 1963-11-26
Abstract: 1,028,308. Valves. BENDIX CORPORATION. Nov. 26, 1963 [Nov. 28, 1962], No. 46684/63. Heading F2V. A device for regulating the gas pressure in an aviator's suit 11 includes a check valve for supplying ventilation gas to the suit at a predetermined pressure, an exhalation valve 42 for discharging spent gas from the suit, a gas inlet chamber 38 at a pressure approximately proportional to the average internal pressure in the suit, a first pressure responsive element such as a diaphragm 35 between the chamber 38 and a chamber 36 subjected to a regulating pressure ' tending to open the valve, a spring 44 biasing the valve to a closed position, and a barometric element 48 for applying an additional closing bias increasing with altitude. The regulating pressure is obtained through a tube 26 from the upstream side of the check valve supplying gas to the suit so that increased gas flow causes increased opening of the valve to limit the back pressure. Above an altitude of 35,000 feet, the barometric element 48 contacts the valve to prevent the suit pressure falling below 3À4 p.s.i. absolute.
Patent GB-1033347-A (GB)
Title: Improvements in or relating to auditoriums
IPC: E04H3/22
Filed: 1964-11-17
Abstract: 1,033,347. Cinemas. E. G. PINTO. Nov. 17, 1964, No. 46798/64. Heading E1A. A basically circular cinema has annular horizontal floors 1, 2 surmounted by a circular wall 9 carrying three curved screens 8 (as shown) on to which images are projected simultaneously from a central suspended projection room 12. The seats on each floor are arranged in sectors oppositeeach of the screens, with aisles separating the sectors, (Fig. 2, not shown). The central openings in the floors increase in diameter on each higher floor, and the external diameter of each floor increases upwardly also. A central platform 18 on the ground floor may be used for e.g. fashion parades.