baber/WOPTO huggingface dataset:
Patent GB-909084-A (GB)
Title: Improvements in or relating to a filler material having an artificial mother of pearl lustre
IPC: C09C1/00
Filed: 1960-11-10
Abstract: A filler material having an artificial mother of pearl lustre comprises translucent particles of flake- or sponge-like structure wherein the particles consist of crystalline oxide and/or hydroxide of a trivalent metal and/or oxide and/or hydroxide of a metal having a valency higher than three, the thickness of the particles being from 1/10 up to ten light wavelengths and the refractive index of the crystalline particles being greater p  than 1,60.  At least a portion of the particles may consist of several particles of alternatively higher and lower refractive index lying on one another, the higher refractive index particles may be oxides of titanium, iron, lead, tin, thorium and/or zirconium while those of lower index may be silica.  The filler material may be embedded in vitreous, synthetic plastic pasty varnish or ointment-like material.  The material may be made by wetting a carrier of solid material, e.g. glass, ceramic, metal or plastic, with a solution of a metal or metalloid to form a film of liquid, converting this film to a layer of oxide and-or hydroxide by heating and then breaking up this layer into particles. The carrier may be coated with a non-stick material which decomposes on heating, while the oxide and/or hydroxide layer may be broken up by bending or shaking the carrier which may be in the form of a band or foil.  An endless conveyer belt may be used for the process, the belt passing consecutively through a non-stick solution, a heating zone to solidify this, a solution of a hydrolysable metal or metalloid compound, a heating zone, a vacuum chamber and a cleaning apparatus for the belt.  The belt may pass through several different solutions of hydrolysable compounds each being followed by a heating zone.
Patent GB-916559-A (GB)
Title: Torque gauge
IPC: G01L5/24
Filed: 1960-11-11
Abstract: 916,559. Measuring torque ; indicating-  apparatus. WATERS MANUFACTURING Inc. Nov. 11, 1960 [Dec. 10, 1959], No. 38795/60. Classes 106 (2) and 106 (4). A torque gauge has a pair of members 14, 16 mounted for relative rotation, a resilient connection 36 between the members urging them to a neutral position, a reading scale 94 connected to one member and cooperating with a fixed marker 116, and a second marker 96 rotationally mounted on the member 14 and engaged by an abutment 122 on the member 16, the second marker indicating the maximum applied torque when the members 14, 16 have returned to the neutral position. The torque is applied to a chuck 12 mounted on a base 14 and through the base to a shaft 30 which is a press fit in an opening 28 in the base. It is resisted by a spiral spring 36 connected to the shaft 30 and to the casing 16 of the apparatus. The casing 16 may rotate relatively to the base 14 but cannot move axially. An indication of the torque is given by the movement of a dial 94, bearing scales and secured to the shaft 30, relative to a datum mark 116 etched in a crystal 114 fastened to the casing 16. The crystal 114 has a projection 122 which lies in the path of movement of a needle 96. A knob 108 is also provided by which the needle 96 may be adjusted. The knob 108 and the needle 96 are both mounted on a shaft (not shown) which is frictionally connected to the shaft 30. In use, the knob is turned so that the needle 96 engages the appropriate side of the projection 122. The torque is then applied to the chuck 12 and the casing 16 is held fixed. Relative rotation between the dial 94 and the datum mark 116 indicates the torque, and the needle 96 is moved relatively to the scale 94 by the projection 122; thus it is left at the maximum reading when the torque is removed. One end of the spring 36, which can resist both clockwise and counterclockwise torque, is fastened to a pillar 50 carried on a ring 46 which may be rotated for adjustment and is clamped by screws 48. Movement of the base 14 relatively to the casing 16 by more than one turn in either direction is prevented by a pivotal stop, Figs. 8 and 9 (not shown).
Patent GB-1183958-A (GB)
Title: A method of preparing Pyrrole
Inventor: BELL WILLIAM HAMILTON
IPC: C07D207/323
Filed: 1967-08-23
Abstract: 1,183,958. Pyrrole. IMPERIAL CHEMICAL INDUSTRIES Ltd. 31 Oct., 1968 [23 Aug., 1967], No. 38869/67. Heading C2C. Pyrrole is prepared by the vapour phase reaction between iodine and diethylamine at a temperature not exceeding 800‹ C. The reaction takes place preferably in the presence of oxygen in the presence of an inorganic oxide. Suitable oxides are those of calcium, nickel, aluminium and silicon.
Patent GB-1392944-A (GB)
Title: Adjustable valve assembly
IPC: F16K15/18
Filed: 1972-08-21
Abstract: 1392944 Valves SOS CONSOLIDATED Inc 21 Aug 1972 38911/72 Heading F2V A valve comprises a valve member 42 spring urged to the closed position to act as a check valve, the valve member having a stem 46 the end 47 of which may engage an adjustable stop 60 so that the valve may act as a throttle valve (as shown), the adjustable stop being movable on to the valve stem when the valve is in the closed position to lock the valve closed so that the valve may also be used as a shut-off valve. The valve member is guided by two fixed guides, one 38 formed on a valve seat 32 and the other 54 on fingers 52. An indicator 76 gives an indication of the position of the stop 60.
Patent GB-875831-A (GB)
Title: Improvements in or relating to circuit arrangements for generating sawtooth currents
IPC: H04N3/185
Filed: 1957-12-16
Abstract: 875,831. Converting; automatic voltagecontrol systems. TELEFUNKEN G.m.b.H. Dec. 16, 1957 [Dec. 15, 1956], No. 38983/57. Classes 38 (2) and 38 (4). [Also in Group XL(c)] In an arrangement similar to that disclosed in Specification 710,629 in which a sawtooth current is produced in deflecting coils 3 of a picture-reproducing C.R.T. from an auto-transformer under the control of a driver valve 1, and in which an E.H.T. voltage is derived from the flyback to provide beam current, ringing oscillations are produced in a high-voltage winding 6, the ratio n of the frequency of these oscillations to the flyback frequency lying between an odd integer and the next higher even integer (e.g. between 3 and 4) at minimum operational beam current, so that a more constant voltage is produced for a varying beam current. The flyback frequency is defined as that frequency for which the flyback time is a half period. The invention depends on the fact that the value of n decreases with increasing beam current and that the internal resistance of the high-voltage source decreases with increasing value of n but at a smaller rate between 3 and 4 than between 2 and 3. Fig. 4 shows the relationship between voltage (U) and current (I) for various initial values of n (the initial value being the value designed for a normal current of circa 100 ÁA.). In order to make the voltage even more constant a supplementary control circuit may be provided as shown in Fig. 6. Voltage variations in the primary winding of the auto-transformer are rectified by a peak voltage rectifier 9 and applied via a voltage divider 11 to the control electrode of the driver valve. Specification 814,969 also is referred to.
Patent GB-1194639-A (GB)
Title: Apparatus for Continuously Winding Webs of Paper or the Like
IPC: B65H19/22
Filed: 1968-08-15
Abstract: 1,194,639. Winding webs. WINDMÍLLER & HOLSCHER. 15 Aug., 1968 [19 Aug., 1967], No. 39042/68. Heading B8R. A machine for winding a web 1 of paper on to a spindle 11 to form a roll 10 and then on to a spindle 46 to form another roll (56) without stopping the run of the web from a printing machine (not shown) when the paper is being cut and the end is being attached to the spindle 46 comprises vertical guides 16, 17 for bearing blocks 12, 13 for the spindle 11 and vertical guides 36, 37 for the bearing blocks 34, 35 of the spindle 46, the latter guides 36, 37 being mounted on members 29, 30 which can be displaced horizontally to bring the guides 36, 37 into line with the guides 16, 17 whereby the spindle 46 takes the place of the spindle 11. When the guides 16, 17 and 36, 37 are in alignment the roll 56 rests on a first driving roller 9 and on a second driving roller 31 which is also carried by the displaceable members 29, 30. The web passes around an auxiliary roller 8 mounted on a pair of rocking levers 20, 21 and connected to the first driving roller 9 by a driving chain 23. A cutting blade 24 is pivoted on the pivot 27 of the auxiliary roller Discs 40, 41 for initially bringing the speed of the spindle 46 to the speed of the web are driven by belts 44, 45 from the second driving roller 31 and are mounted on members 54, 55 which can be pivoted around the pivot 52 of the second driving roller 31. Operation.-When the wound roll 10 has reached the required diameter the web is cut by the blade 24 and the members 54, 55 are pivoted by an hydraulic member 53 causing the spindle 46 and a sleeve 47 thereon to drop on to the auxiliary roller 8 which has been pivoted upwardly to a start position. The sleeve 47 has a sticky strip to which the end of the web sticks and the sleeve is now driven by the auxiliary roller 8. The other wound roll 10 is now removed. When the roll 56 has reached a certain size the second driving roller 31 takes over the drive of the wound roll 56 and the auxiliary roller 8 is pivoted downwardly to allow the members 29, 30 carrying the guides 36, 37 and the second driving roller 31 to be displaced to bring the guides 36, 37 into alignment with the guides 16, 17. When the spindle 46 has moved, as a result of the increased diameter of the wound roll 56, into the guides 16, 17 the members 29, 30 are withdrawn to the start position, and bearings and another spindle are introduced into the guides 32, 33 in preparation for the next roll change.
Patent GB-1307191-A (GB)
Title: N-trihalomethanesulphenyl-n-methyl-carbamates process for their production and their use as pesticides
IPC: A01P7/04
Filed: 1971-08-20
Abstract: 1307191 N - Trihalomethanesulphenyl - N- methyl-carbamates BAYER AG 20 Aug 1971 [20 Aug 1970] 39194/71 Heading C2C The invention comprises N-trihalomethylsulphenyl - N - methyl - carbamates of the formula wherein X is F or Cl and Ar is phenylornaphthyl, which may be substituted by alkyl, alkoxy, alkylmercapto, dialkylamino, CF 3 , halogen and/ or NO 2 . They may be obtained by reacting a compound of the formula with a phenol of formula in the presence of a diluent, the phenol being used together with an acid binding agent or in the form of salt. Examples are given for the preparation of the compounds. They are useful as insecticides, acaricides and fungicides and may be used as such in association with a solid diluent or carrier which may contain a surfaceactive agent.
Patent GB-1263883-A (GB)
Title: A keyboard printer
Inventor: GLOESS PAUL FRANCOIS MARIE
IPC: G06F3/12
Filed: 1970-08-14
Abstract: 1,263,883. Selective printing. P.F.M. GLOESS. 14 Aug., 1970 [14 Aug., 1969], No. 39362/70. Heading B6F. A selective printer comprises a print wheel 10 continuously rotated by a motor 1, timing wheels 20, 30 generating start and character pulses respectively, and a distributer 40 distributing successive character pulses to first electrodes of capacitive keys 511-5150 whereby a key pulse is generated at a key touched by an operator's finger, the. key pulse being transmitted to hammer means 11 through an inhibiting circuit 100 which renders only one key pulse operative while a finger remains on. a key. The printer is of the kind described in Specification 1,210,987. The inhibiting circuit receives start, key and character pulses at terminals 1001-1003 and incorporates AND gates and flip-flops whereby a first key pulse operates the hammer and spacing mechanism or if desired carriage return and line feed mechanism, and subsequent key pulses are blocked.
Patent GB-1163014-A (GB)
Title: Transparent panel structure having metal filaments embedded therein
Inventor: TOYOOKA TADAO
IPC: H05B3/16
Filed: 1966-09-05
Abstract: 1,163,014. Laminates; moulding transparent panels. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 5 Sept., 1966 [3 Sept., 1965 (3); 16 Sept., 1965 (2); 30 Dec., 1965], No. 39612/66. Headings B5A and B5N. [Also in Divisions D1, H1 and H5] A transparent panel structure is made by bundling glass fibres into yarns, weaving a fabric by using said yarns as warp (2) and weft (1), incorporating metal filaments (4) in substantially equally parallelly spaced relationship into the fabric, wetting the fabric with a liquid which permeates easily into the glass fibre fabric and is readable with a transparent resin material into which the glass fibre fabric is subsequently embedded. The metal filaments may be incorporated into the fabric during weaving, or by sewing them into the fabric. The transparent resin is suitably an unsaturated polyester resin, and the liquid reacting with it is suitably styrene. Alternatively, the resin may be an epoxy resin, a silicone, a polyester, polypropylene, polyvinyl chloride, a polyacrylic ester or a polycarbonate. The glass fibres may be twisted into yarn, and a binder may be used which is preferably burnt out at 300 to 400 C. after forming the fabric. The transparent resin is suitably applied to a flat plate, the fabric placed thereon, and another flat plate covered with resin pressed thereon. The liquid, e.g. styrene, is preferably applied to each layer of resin before bonding. The resin used is preferably one having a refractive index the same as that of glass fibres at the temperature at which the panel is to be used.
Patent GB-1183470-A (GB)
Title: Improvements in or relating to Microporous Plastics Members and Process for Making Same
IPC: H01M50/417
Filed: 1967-08-30
Abstract: 1,183,470. Microporous films. TUDOR A.B. 30 Aug., 1967 [1 Sept., 1966], No. 39686/67. Headings B5A and B5B. [Also in Divisions C3 and H1] A microporous plastics member, e.g. battery separator sheet, is made by forming a coherent dough by mixing a thermoplastic resin with a plasticizing amount of a first solvent and with finely divided particles of a filler which contains a volatilizable constituent releasable therefrom by heating and which shrinks irreversibly on release of this constituent, forming the dough into a shaped member, extracting the first solvent from the member by contacting it with a second solvent at a temperature below the b.p. of any liquid present, the second solvent being one which can dissolve the first solvent without dissolving the resin and filler, thereby deplasticizing the member, and then heating the member without softening the resin contained therein until the filler is shrunk within the member by release of its volatilizable content. The resin may be polyethylene, polypropylene, polystyrene or polyvinyl chloride. The filler may be powdered hydrated silica, silica hydrogel or diatomite with absorbed water. The first solvent may be a ketone, e.g. cyclohexanone and the second solvent may be water. In the examples, the dough was shaped by extrusion into a sheet.
Patent GB-940530-A (GB)
Title: Vibrating apparatus
IPC: A61H23/02
Filed: 1959-11-25
Abstract: 940,530. Vibratory massage apparatus. F. SCHROEDER-STRANZ. Nov. 25, 1959 [Nov. 26, 1958], No. 39960/59. Heading A5R. Therapeutic vibratory apparatus comprises a platform 2 and handle bars 13, 14, 15 vibrated by an unbalanced shaft 3 disposed below the platform, the shaft being of generally uniform cross-section but having a non-uniform distribution of the material from which it is made. The shaft is mounted in bearings in a housing 1 the centre of gravity of which lies in or near a vertical plane through the axis of the shaft. The housing is supported by rubber feet 25 or an elastic suspension (Figs. 7 and 8, not shown) on a base 28. The shaft has boreholes 12 filled with a material of a specific gravity differing from that of the material of the shaft. Alternatively, the shaft may comprise an outer tube with a longitudinal flat (not shown) within which fits a rod also with a longitudinal flat, the unbalance of the shaft being adjusted by rotation of the rod within the tube so that the relative positions of the flats is varied. Locking means is provided to fix the rod and tube in the desired relative positions. The shaft is rotated at 4000-6000 revolutions per minute by a motor which is connected to the shaft by a belt 6 and pulleys 10, 11. The motor may also rotate a blower 26 which directs oxygen, solution or a powder on to the patient being treated and operate a buzzer to treat the patient with sound. The handlebars are adjustable in height. An additionally manually applicable vibrator 23 may be connected to the shaft by a flexible drive 24.
Patent GB-1046678-A (GB)
Title: Improvements in or relating to impact dampers
IPC: B60G17/08
Filed: 1964-10-01
Abstract: 1,046,678. Hydraulic shock absorbers. STAHLWERKE BURNINGHAUS G.m.b.H. Oct. 1, 1964 [Oct. 2, 1963], No. 39990/64. Heading F2S. An hydraulic shock absorber comprises a main cylinder 4 having working therein a piston 2 and piston rod 20 assembly. The main cylinder 4 is housed coaxially within and slidable relative to a subsidiary cylinder 3, the main cylinder being provided between its ends with an annular, enlarged part 4 which divides the annular space between the main cylinder and the subsidiary cylinder with first and second channels 17, 15. The channels communicate with the main cylinder space 5 through ports 35 in the wall of the main cylinder, the first channel 17 also communicating with an oil chamber 26 and the second channel 15 with a first working chamber 6. The piston 2 divides the main cylinder space 5 into a main working chamber and a second working chamber 33 which are connected through a valved passage 13, 14 in the piston, the second working chamber also communicating with the first working chamber 6 through ports 34. The main working chamber is also connected to the oil chamber 26 through a one-way valve assembly 7 which is surrounded by a resilient ring 25 which limits the stroke of the piston. The oil chamber is formed by a flexible bellows 8 which may be connected to a further reservoir (Fig. 7, not shown) or it may comprise a rigid pressure-tight reservoir which may also be connected to a further reservoir (Figs. 8, 9, not shown). The subsidiary cylinder and the piston rod are each provided with a cup 10, 11 between which a spring is received. The shock absorber, Fig. 2 (not shown) is in its position for a normal load but if the load is increased the piston moves upwardly past the ports 35 and thus fluid passes, under pressure into the second working chamber 33 through the ball valve 16 and then into the first working chamber 6 to increase the length of the shock absorber. While the ports 35 are covered a pumping action takes place through the valves 7, 16 to increase the length of the first working chamber and also to force the piston outwardly in the main cylinder until the ports 35 communicating with the second channel 15 are uncovered whence pressurized fluid passes back to the reservoir from the first and second working chambers until these ports 35 are covered again (Figs. 3, 4, 5, not shown). The ratio of the areas of the outer end of the main cylinder and the inner end of the subsidiary cylinder may be such as to give a linear spring effect. The damper is connected to two relatively movable parts of a vehicle by rubber pads 23, pins 27 and nuts 24.
Patent GB-953289-A (GB)
Title: A top roller for drafting mechanisms in spinning machines
IPC: D01H5/74
Filed: 1962-10-23
Abstract: 953, 289. Drafting rollers. W. SCHAEFFLER, and G. SCHAEFFLER, [trading as INDUSTRIEWERK SCHAEFFLER o.H.G.]. Oct. 23, 1962 [Oct. 26, 1961], No. 40066/62. Heading D1D. In a top roller for drafting-mechanism having a cylindrical sleeve 10 carrying an elastic cot 11 and releasably fixed on the outer race 5 of an anti-friction bearing, the inner surface of the sleeve has one or more internal recesses 11 engaging resilient projections 9 on the race. The projections may be formed by slitting the end of the race and out-turning the resultant tongues, while the recess 11 may be provided as an internal groove right around the sleeve. The outer end of the race may be downturned at 6 to rest against a shoulder on the roll shaft and a locking-ring 7. An L-shaped seal 13 is also provided.
Patent GB-963527-A (GB)
Title: Improvements in and relating to aqueous peracetic acid recovery
IPC: C07C407/00
Filed: 1962-10-23
Abstract: <PICT:0963527/C1/1> Peracetic acid in concentrated aqueous solution, is recovered from crude solutions thereof, particularly those obtained by the catalytic oxidation of acetaldehyde, which contain acetaldehyde, peracetic and acetic acids, organic peroxide material, and a non-reactive organic liquid diluent which either has a B.P. of 40-110 DEG C. at atmospheric pressure and/or forms with water a binary azeotrope of B.P. 40-110 DEG C. by (1) fractional vacuum distillation to separate the acetaldehyde and non-reactive organic liquid diluent as a distillate; (2) adding water (mole ratio of water to peracetic acid of 2.0 to 8.5) to the residue of peracetic and acetic acids and the organic peroxides; (3) vacuum distillation of the aqueous residue to hydrolyse at least part of the organic peroxide material and (4) recovering the concentrated aqueous solution of peracetic acid as distillate and aqueous acetic acid as residue. The process is carried out at an absolute pressure below 200 mm Hg. A stabilizer for the peracetic acid, e.g. a ,a 1-apicolic, picolinic and quinaldic acid or 8-hydroxy quinoline may be added to the crude mixture and the metal catalyst may be removed from the crude by flash evaporation under vacuum. The diluents may be alkyl esters ketones or volatile liquid hydrocarbons particularly ethyl acetate. As an optional modification the acetaldehyde only is distilled off, and water is added to the residue in sufficient amount to form an azeotrope of non-reactive organic liquid diluent and water, which is azeotropically distilled under vacuum to hydrolyse some of the peroxide material, and the azeotrope recovered as distillate with a residue of peracetic and acetic acid, water and organic peroxide material.
Patent GB-1119486-A (GB)
Title: Improvements in or relating to centrifugal clutches
IPC: F16D43/30
Filed: 1966-09-08
Abstract: 1,119,486. Friction clutches. CONSTRUCTAWERKE G.m.b.H. 8 Sept., 1966 [21 Oct., 1965], No. 40096/66. Heading F2C. In a clutch for a washing machine with spinning capabilities, comprising inner and outer clutch wheels 10, 12, fast with V-belt pulleys 17, 13 for transmitting washing and spinning drive respectively, and centrifugal levers 7, 7<SP>1</SP> mounted on a driving disc 2, the levers are spring-urged together into contact with the inner wheel 10 at washing speed, but with the increase to spinning speed, centrifugal force acts on lever 7<SP>1</SP> to move it into contact with the outer wheel 12, and to move lever 7 into contact with abutment 14, which arrangement, together with the transverse diamond-shaped cross-section of the clutch shoe on lever 7<SP>1</SP>, permits initial slipping between lever 7<SP>1</SP> and outer wheel 12, and gradual build-up to the spinning speed. The lever 7* when in contact with wheel 12 is arranged to be subjected to tensile stress. The coefficient of friction of the friction lining on lever 7<SP>1</SP> which comes into contact with outer wheel 12 is less than that of the lining on levers 7, 7<SP>1</SP> which comes into contact with inner wheel 10.