baber/WOPTO huggingface dataset:
Patent GB-878498-A (GB)
Title: Apparatus for supporting and handling coils of strip metal or the like
IPC: C21D9/673
Filed: 1958-11-24
Abstract: 878,498. Annealing coils. WILSON, L. Nov. 24, 1958 [Dec. 6, 1957], No. 37706/58. Class 72 [Also in Groups XII and XXX] A coil of material, such as strip metal, is supported on a turntable with an open top slot which extends from the outer to the inner periphery of a coil engaging member. As shown, a tight coil C rests on the edges of radial vanes 11 while its outer laps rest on supporting plates 12, 13, and 14. Opened topped slots 17, 18, and 19 are formed by channel sections 15 and 16, all the above resting on rotatably supported base plate 1. To transfer a coil, the lifter comprising cylinder 32, the outside diameter of which is slightly less than the inside diameter of the coil, radial arms 25, 26, and 27 and lifter struts 39 are lowered so that tube 32 enters the centre of the coil and tongues 33, 34 and 35 interengage with mandrel sections 7, 8 and 9, the tube coming to rest when shoulders on these tongues engage the top face of plate 1. Lifter beams 43, 44 and 45 are then inserted through holes 42 in plates 41 on struts 39 and penetrate through holes 36 in tongues 33, 34, 35, being stopped by the engagement of projections 46 with plates 41. The coil can now be lifted by means of eye 30. A coil may be opened by the method disclosed in Specification 878,497 and transferred by the lifter into a furnace similar to the type disclosed in the earlier Specification, provision being made so that beams 43, 44 and 45 may be removed, the coil alone, without any part of the lifting equipment, being heated in the furnace. In a modification, the three arms 25, 26, and 27 may be replaced by two or even a single arm and corresponding lifting beam.
Patent GB-1116409-A (GB)
Title: Preparation of metal-containing phthalocyanines
IPC: C09B47/06
Filed: 1965-09-03
Abstract: Metal-containing phthalocyanines are prepared by heating a mixture of a phthalocyanine intermediate, a nitrogen donor, a metal donor, and a catalyst with as promoter one or more of 100% sulphuric acid, sulphur trioxide, chlorosulphonic acid and oleum. The phthalocyanine intermediate may be sodium, potassium or ammonium acid phthalate, phthalic anhydride, phthalic diamide, phthalimide or a halogenated derivative thereof.  The process may provide Cu, Ni, Co, Fe and Zn phthalocyanines.
Patent GB-1442482-A (GB)
Title: Apparatus and method for fastening a holding bar to a printing blanket
IPC: B41N10/00
Filed: 1974-03-08
Abstract: 1442482 Finishing edges of non-metallic sheet material DAYCO CORP 8 March 1974 [9 April 1973] 37836/75 Divided out of 1442481 Heading B5K A holding bar 24, having a bight 30 and a pair of outwardly diverging legs 31, 32, is fastened on a printing blanket 21 by placing a bar 24 on an anvil 70 having a cut-out therein defining a clamping surface 76, providing a clamping member 80 having a clamping surface 81 co-operable with the surface 76, engaging the surfaces 76, 81 against the outside of the bight and the terminal end 42 of the leg 31, respectively, positioning a terminal end of the blanket 21 between the diverging legs 31, 32, and engaging the leg 32 with a hammer 71 to deform the bar 24 so that the legs are arranged substantially parallel to fix the bar in position. A required blanket length is fed from a roll 60, clamped by a bar 63 and severed by lowering a knife 66 and traversing it along a slot 65 in a work-table 51. A bar 24 is fastened to the anvil 70 by clamping the outside of its bight 30 and the terminal end of its leg 31 between the surfaces 76, 81, the member 80 having the surface 81 being held in position by a threaded member 90 and a wing nut 94. The cut blanket 21 is positioned roughly with an edge portion thereof between the legs 31, 32 and is then clamped between a hold-down member 83, covered with an elastomeric material 84, and a block 101. A knurled knob 106 is rotated to turn a shaft 104 and advance the block 101 to precisely position the blanket edge against the inside of the bight 30, apertures (34), Figs. 1 and 2 (both not shown) in the bar facilitating visual or automatic inspection during this operation. A hammer 71 is moved downwardly to engage the leg 32 to deform the bar 24 to clamp it to the blanket edge. A projection 85 on the hammer 71 engages in a slot 86 in the anvil 70 to ensure that the hammer 71 moves vertically and does not slide horizontally. The hammer 71 is moved upwardly and the blanket is released and rotated through 180 degrees and a bar 24 is clamped to the opposite edge thereof. In a modification (not shown) the bar 24 is formed without tabs 33 and the anvil 70 is provided with suitable tooling so that on lowering of the hammer 71 this tooling forms or defines the tabs 33 during the operation of clamping the bar 24 on the blanket 21.
Patent GB-808822-A (GB)
Title: Improved clutching means for weaving looms
IPC: D03D51/00
Filed: 1956-12-13
Abstract: 808,822. Clutches. METAPIC SOC. ANON. HOLDING LUXEMBOURGEOISE. Dec. 13, 1956 [Dec. 17, 1955], No. 38084/56. Class 80 (2). A friction clutch having a driving element located between two driven elements has elastic strips freely supported on the face of a driven element and engaged by a push-rod associated with a rocking lever pivoted on the hub of the other driven element and engaged through a roller by a cam sliding on the crankshaft of a loom. A clutch for the crankshaft of a loom driven by a motor 1 through gears 2, 3 comprises a driving ring 7 secured to the gear 3, and two driven rings 5, 6 secured to the hub of a gear 17 driving the loom. The ring 5 carries, pivoted thereon, levers 10 having push rods 9 and rollers 12 engageable by a cam member 14. To reduce the shock in starting and so prevent marking of the material, elastic delay elements in the form of blade springs 13 are secured to the ring 5 at 22, 23 and are contacted by the push rods 9 on initial engagement of the clutch, continued movement of the push rods 9 to the engaging position bends the blade springs 15 and the full torque of the clutch is transmitted.
Patent GB-1310564-A (GB)
Title: Disperse dyes of the aminopyrazole series
IPC: C09B29/48
Filed: 1970-08-07
Abstract: 1310564 Aminopyrazole dyes BADISCHE ANILIN- & SODA-FABRIK AG 7 Aug 1970 [9 Aug 1969] 38178/70 Heading C4P The invention comprises monoazo dyes having the formula wherein X is chlorine, bromine, carbomethoxy, carboethoxy, nitro or cyano and Y is hydrogen, chlorine or bromine. The dyes are produced conventionally by diazotizing an amine of formula and coupling with 1-phenyl-5-aminopyrazole. The dyes are used for dyeing polyester textile materials, on which they give orange shades.
Patent GB-951976-A (GB)
Title: Improvements in or relating to pigments
Inventor: DUNN EDWARD JOSEPH
IPC: C09C1/00
Filed: 1961-10-25
Abstract: A calcined pigment comprising 20 to 80% by weight of zinc oxide and 80 to 20% by weight of silica, no zinc silicate being present. The pigment may be in the form of a silica core coated with zinc oxide. The sources of silica are precipitated silicic acid, native silica and quartzite. The pigment may also comprise lead oxide and sulphur trioxide. The pigment is prepared by forming an intimate mixture of the zinc oxide and silica and calcining at 450 DEG  to 700 DEG  C. In Example 1 a slurry formed by ball milling silica, zinc oxide, water and acetic acid (as catalyst), was filtered, dried and calcined.  In Example 2 an aqueous slurry of lead oxide and zinc oxide, which lead oxide and zinc oxide had been blended in the dry state, and acetic acid were added to an aqueous slurry of silica, the slurry heated, sulphuric acid added thereto and then the mixture was stirred, filtered, dried and calcined.ALSO:A calcined pigment comprising 20 to 80% by weight of zinc oxide and 80 to 20% by weight of silica, no zinc silicate being present. The pigment may be in the form of a silica core coated with zinc oxide.  The sources of silica are precipitated silicic acid, native silica and quartzite.  The pigment may also comprise lead oxide and sulphur trioxide.  The pigment is prepared by forming an intimate mixture of the zinc oxide and silica and calcining at 450 DEG  to 700 DEG  C.  In Example 1, a slurry formed by ball milling silica, zinc oxide, water and acetic acid (as catalyst), was filtered, dried and calcined. In Example 2, an aqueous slurry of lead oxide and zinc oxide, which lead oxide and zinc oxide had been blended in the dry state, and acetic acid were added to an aqueous slurry of silica, the slurry heated, sulphuric acid added thereto and then the mixture was stirred, filtered, dried and calcined.
Patent GB-1366045-A (GB)
Title: Internal combustion engine having an electronic valve control device
IPC: F02D41/36
Filed: 1972-08-16
Abstract: 1366045 Electromagnetic I C engine valve gear DR ING hcF PORSCHE A G 16 Aug 1972 [28 Sept 1971] 38244/72 Heading F1B [Also in Division G1] In an I.C. engine having inlet and exhaust  valves arranged to be actuated by electromagnets which are controlled by a control pulse generator, driven in dependence upon engine speed, via a pulse distributor, the electromagnetic valves of a fuel injection installation are controlled in dependence upon the control pulses which control the inlet valves. As shown, the control pulse generator 3 is provided by a cam operated interrupter switch driven by the engine crank-shaft, although an inductive or a photo-electric pick-up may be used. The pulses are applied to an AND gate 9 and to a regulating switch 11 which provides a voltage inversely related to engine speed, a safety switch 13 being provided to enable AND gates 9 and 12 only when the engine speed exceeds a pre-set value. The distributor consists of a ring counter 10 which receives the control pulses and consists of a series of flip-flops 26-29, one for each engine cylinder. The electromagnets 20, 21, 25 of the inlet, exhaust and fuel injection valves respectively of one cylinder only are shown, each being controlled by a respective timing unit 15 consisting of two monostable switches. The switches 16, 18 determine the opening instant of the inlet and exhaust valves in dependence upon the pulse received from flip-flop 26 and the engine speed characterized by the voltage output of switch 11. The duration of opening of the inlet and exhaust valves is determined by the switches 17, 19. The switch 23 is connected to the output of the switch 16 to determine the opening instant of the fuel injection valve, the duration of injection being determined by a switch 24 which receives a voltage from a potentiometer 32 whose slides is controlled by the position of the induction choke valve 33 of the engine. The ring counter 10 and timing units 15 are preferably formed as an integrated circuit.
Patent GB-1204381-A (GB)
Title: Apparatus for projecting a filament
Inventor: VINCENT JOHN JOSEPH
IPC: D03D47/00
Filed: 1967-08-18
Abstract: 1,204,381. Projecting weft threads. NATIONAL RESEARCH DEVELOPMENT CORP. 24 July, 1968 [18 Aug., 1967], No. 38248/67. Heading D1E. Weft 20 is projected into the shed by two moving bands 4, 9. The band 4 runs around fixed rollers 2, 3, either or both of which are rotated and the band 9 runs around rollers 7, 8 mounted on a pivoted sub-frame 5 which is moved by a cam 13 so that the weft is trapped between the bands for projection. Either or both of the rollers 7, 8 are driven and the drive to the rollers may be such as to retard the weft as it is projected. The bands may be incorporated in the apparatus of specification 941,282 and may supply the weft to the tapered rollers of that apparatus which includes weft supply, retraction and cutting means.
Patent GB-1022765-A (GB)
Title: Cinematograph film splicing apparatus
IPC: G03D15/04
Filed: 1962-10-09
Abstract: 1,022,765. Film splicers. AGFA A.G. Oct. 9, 1962 [Oct. 14, 1961], No. 38257/62. Heading G2C. An apparatus for splicing cinematograph film has a holding means for holding the film down against anchoring means on a support, such that when the holding means is retracted, the film is disengaged from the anchoring means. As shown, the splicer mechanism is assembled on a plate 2 fixed on a frame 1. On plate 2 are two pairs of positioning pins 4, 5, on which are positioned, for a preliminary trimming operation, the film strips 6, 7<SP>1</SP> which are to be joined. A holding plate 9, pivoted on a spindle 8, can be swung down and locked by a catch 12 into firm contact with the films. A further plate 13, also pivoted on spindle 8, is lowered to trim the ends of the film strips. Plate 9 is then turned up, and operates an ejector device. This consists of a two-armed spring 16 whose ends 16a are coiled on spindle 8, and whose centre is bent up into a hook portion 16b. The coiled ends of the spring have projections 16c which extend into the path of plate 9 as this is swung backwards (Fig. 2). Thus the spring is tilted anticlockwise, which causes the hook portion 16b to penetrate through an aperture 17 and push the film strip 7<SP>1</SP> upwards off the pins 5. This strip is now placed in position for splicing, being located on pins 15 on plate 13, occupying the position in which it is marked 7. After cement has been applied to join the ends together, the spliced film is lifted off the locating pins by a spring ejector device 18 similar to device 16, and similarly operated by a plate 14 mounted above plate 13. Spring 18 is also mounted on spindle 8, and has two hooked portions 19 which penetrate through apertures 20, 20a. Thus as spring 18 is tilted anticlockwise, the single film strip formed by the joined parts 6, 7 is lifted clear of the pins 15, 4. In the modification of Figs. (not shown) 3 and 4, both spring ejectors 16 and 18 are mounted on the same section of spindle 8, and are both operated by plate 9 as it tilts back, first operating spring 16 and then, tilting back through a greater angle, spring 18. In a further embodiment, the positioning pins 4, 5, 15 are themselves retractable.
Patent GB-303120-A (GB)
Title: Improvements relating to a centrifugal drying machine
IPC: B04B7/02
Filed: 1928-12-28
Abstract: 303,120. Grauss, G. Dec. 28, 1927, [Convention date]. Doors, lids, and covers.-In a centrifugal drying, washing, or filtering machine, an annular collar 7 is connected to the top of the fixed casing a by a grooved joint 6 containing a resilient packing ring, and is held tight by stirrup screws 9. The arched cover 4 is soldered to the steel crown 5 which is secured to the collar 7 in a similar manner to that described, stirrup screws 13 being provided to tighten the joint. A hinge 17 is riveted to the cover 4; two cams 19 and the operating arm 15 are keyed to the hinge pivot 18, which is oval in cross-section so that when the cover is in the closed position it has a little play in a vertical direction. When the arm 15 and its weight 16 are moved to close the apparatus, the arm is pressed against the cams 19 and forces the cover down.
Patent GB-1108668-A (GB)
Title: Amplifiers
IPC: H03F3/30
Filed: 1965-09-08
Abstract: 1,108,668. Transistor amplifying circuits. ELECTRONIC ASSOCIATES Inc. 8 Sept., 1966 [16 Sept., 1964] No. 38387/65. Heading H3T. Variation in collector to base capacity of an amplifying transistor as the electrode potentials are varied is compensated by means of a back-biased auxiliary transistor. The invention is shown as applied to an operational amplifier comprising summing junction 17, to which is connected an amplifier having preliminary stages 26, 31 and a single-ended push-pull output stage 34, 35, an overall feedback circuit 20 a pair of limiting diodes 25a, b, and an auxiliary stabilizing amplifier 12. Frequency shaping networks 22a, b and 30a, b are connected between collector and base in the stages 26, 31 respectively and the high-frequency response is limited by means of a capacitor 50 connected between the amplifier output 19 and the base of transistor 34. The parallel collector to base capacity of the transistor varies with the electrode potentials: to prevent corresponding variation of the high-frequency response an auxiliary transistor 52 is provided, having base and emitter strapped together and connected to the output terminal 19. The collector is connected to the base of transistor 34 via capacitor 52a and is back-biased from a potentiometer 55, 56, so that variation of the base potential with the potential of terminal 19 varies the base-collector capacity in an inverse manner so as to provide the desired compensation. Specification 1,101,875 is referred to.
Patent GB-1389630-A (GB)
Title: Multi-layer optical refraction systems
IPC: G02B1/10
Filed: 1973-08-14
Abstract: 1389630 Dielectric laser mirror BALZERS PATENT - & BETEILIGUNGS - AG 14 Aug 1973 [19 Sept 1972] 38467/73 Heading G2J  A dielectric multiple coated laser mirror resistent to deterioration by heat absorption has a plurality of coatings of alternating high and low refractive indices, the low refractive index coatings of an oxide of Si and the high refractive index coatings of T i O 2 . The improvement assists in substituting for at least the three last high refractive coatings most remote from the substrate layers of Z r O 2 .
Patent GB-839130-A (GB)
Title: Process for dyeing fibrous material of highly polymerized aromatic polyesters
Filed: 1956-12-19
Abstract: In the dyeing or printing of aromatic polyester fibres with dispersed acetate dyestuffs or ice-colours, improved dyeings are obtained by employing as "a carrier" a mixture of a benzoic acid ester of an aromatic alcohol, phenol or naphthol and an ether containing at least one aromatic radical.  Suitable esters are those employed in the parent Specification.  Suitable ethers are anisole, phenetoles, benzyl ethyl ether, dibenzyl ether, diphenyl ether, phenylnaphthyl ether and dinaphthyl ether.  The mixture is added to the dyebath as an aqueous dispersion containing a dispersing agent such as an alkyl phenol-ethylene oxide condensation product.  The mixture may also be added to the bath as a solution in an organic solvent such as an ester, ketone or hydrocarbon.
Patent GB-1151410-A (GB)
Title: Method for Mounting a Damping Pad made of Knitted Wires between Two Mechanical Elements
IPC: F16D3/74
Filed: 1967-08-23
Abstract: 1,151,410. Vibration dampers. SOC. ANON. BELGE DE CONSTRUCTIONS AERONAUTIQUES. 23 Aug., 1967 [31 Aug., 1966], No. 38930/67. Heading F2S. In a vibration damper consisting of knitted wire fabric located between two members whose relative motion is to be damped, the fabric is bonded to both members. In Fig. 1 (not shown) these members are a driving and a driven rotating member spaced apart along a shaft and an annular pad of the fabric is fitted between them. In Fig. 2 (not shown), the pad rests on a foundation constituting one of the members and supports a load constituting the other member. In the former arrangement the pad is bonded to the members by welding or brazing and in the latter by the use of an adhesive.
Patent GB-1449527-A (GB)
Title: Method for the manufacturing of a disposable textile sheet
IPC: A61B46/00
Filed: 1974-09-06
Abstract: 1449527 Laminated fibrous webs SUOMEN VANUTEHDAS-FINNWAD Ltd OY 6 Sept 1974 [11 Sept 1973] 39093/74 Heading B5N Laminated disposable cloths for use in surgical operations are made by heat-sealing two non- woven rayon webs under pressure, the webs each having their fibres oriented in a predominant direction and having these directions substantially perpendicular, and one web having been melt-extrusion coated with a tensioned layer of heat-sealable polyethylene or polypropylene and cooled to fix a stress in the coating. The compression may take place for 4-10 seconds at 0À5-1 kg./cm.<SP>2</SP> and 150-180 C. and the stress is released during steam sterilization of the laminate for 6-15 minutes at 143 C. and 3 kg./cm.<SP>2</SP> to produce a wrinkled material. The laminates may be given an initial patterning or wrinkling by a patterned compression member, e.g. a waffle plate or a sack cloth, on at least the side of the coated web. The webs may be bonded by vinyl acetate-acrylate copolymer, one being treated to be fluid-repellent and the coated web being fluid-absorbent. The coated web may constitute a central reinforcing portion of the cloth and the laminate may have a central hole.
Patent GB-1388978-A (GB)
Title: Multi-stage axial flow compressors
IPC: F04D27/02
Filed: 1973-08-20
Abstract: 1388978 Axial-flow compressors BROWN BOVERI-SULZER TURBOMACHINERY Ltd 20 Aug 1973 [8 Sept 1972] 39250/73 Heading F1C In a multi-stage axial-flow compressor having adjustable stator blades 8 having portions extending through a stator blade support 9 to a plenum chamber 5 containing the blade adjusting mechanism 7, a pressure-equalizing communication is provided between the plenum chamber and the compressor inlet 19, and seals (e.g. O-rings) are provided between the blade portions and the stator blade support. The pressure-equalizing communication may comprise a pipe 20 connected to the lowest point of the plenum chamber 5, i.e. at a trough 22, and preferably as near as possible to that end of the plenum chamber which is adjacent the delivery chamber 6, where the greatest amount of leakage into the plenum chamber is to be expected. Moisture contained in the leakage is  conveyed by the pipe 20 to the inlet 19.
Patent GB-1007689-A (GB)
Title: Trioxane purification
Inventor: BAMFORD WILLIAM RANDALL
IPC: C07D323/06
Filed: 1963-10-07
Abstract: Trioxane is purified by a process comprising boiling crude trioxine in a boiler attached to a distillation system, to evaporate therefrom a mixture of trioxane and volatile impurities, adding to said vaporized mixture in the distillation system a water-immiscible organic solvent of b.p. 30-110 DEG  C. and which is a solvent for trioxane, preferably ethylene dichloride, at such a rate that the solvent is vaporized, the solvent being preferably preheated to the temperature near that of the vaporized mixture, cooling the mixture to a temperature at which water and solvent separate, removing the aqueous layer and reintroducing the solvent layer continuously into the evaporated mixture of trioxane and volatile impurities.  In a preferred embodiment the process is continuous wherein crude trioxane is fed to a distillation column attached to a reboiler, and purified trioxane is continuously withdrawn from the reboiler, the solvent layer being introduced into the distillation column at a position further from the reboiler than the crude trioxane feed.  The invention is described with reference to a diagrammatic flow sheet (not shown) in the continuous form of the process using in the examples ethylene dichloride, trichlorethylene, methylene chloride and benzene as solvents.
Patent GB-1389655-A (GB)
Title: Frequency-selective circuits
IPC: H03B5/08
Filed: 1973-08-21
Abstract: 1389655 Semi-conductor oscillators WESTERN ELECTRIC CO Inc 21 Aug 1973 [25 Aug 1972] 39467/73 Heading H3T [Also in Division H1] An oscillatory circuit comprises an active element 70 and a frequency-selective transmission line 71 comprising a number of shunt conductances defining half-wave sections. The line may be terminated by a half-wave shortcircuited section (as shown), a quarter-wave open-circuited section or by a section of arbitrary length # terminated in a susceptance B, where #=(m+¢)# - arc tan B, m being an integer. The active element 70 may be an IMPATT diode, a Gunn-effect diode or a tunnel diode and may be arranged in series or (as shown) in shunt between the line 71 and the load 72. In the latter case, an impedance-matching quarterwave section is inserted between the diode and the line.