baber/WOPTO huggingface dataset:
Patent GB-212786-A (GB)
Title: "satin white" and improved method of preparing it
IPC: C09C1/40
Filed: 1923-05-14
Abstract: 212,786. Ryan, J. H. May 14, 1923. Fillers; distempers.-Satin white for coating paper and made by the interaction of alum and lime solutions is reduced to a thin dough with washer, ground in a pebble mill to remove grit, and flushed from the mill by water. The excess water mav be drawn off after setting, and a sizing solution such as casein, glue, or hydrated starch, together with an alkaline, compound, such as caustic soda, added. The mass is then reground in the pebble mill. lf the material is not to be used at once, the paste from the first grinding is passed to a filter, and the material is dried in a drying drum, pulverized, and may be put into bags. The dry material may subsequently be soaked and the sizing and alkaline compound added to produce the coating material.
Patent GB-663068-A (GB)
Title: Process for alkylating aromatic hydrocarbons
IPC: C07C2/70
Filed: 1948-05-11
Abstract: A monoalkyl aromatic hydrocarbon is produced by treating the aromatic hydrocarbon in a molar ratio of between 3 and 10 to 1 with an acyclic C9-C18, preferably C12-C15, propylene polymer in the presence of hydrofluoric acid at a temperature above 50 DEG  and up to 150 DEG F. The rate of feed of polymer is from 0.1-1 vol./vol. 100 per cent hydrofluoric acid/hour.  The acid may contain up to 10 per cent water.  The propylene polymers may be those described in Specification 643,517.  An alkylate forecut having less than 12 C atoms in the alkyl chain may be recycled to the alkylation.  Part of said forecut may be used to flush and seal the packing and bearing of the alkylator stirrer shaft.  The alkylation product is stratified and the oil layer fractionated to remove HF and unreacted hydrocarbon, a forecut for recycling, and a desired heart cut. Impurities are prevented from accumulating by rejection overhead with the unreacted hydrocarbon and with the forecut, and separation therefrom.  The products are sulphonated to give sulphonates suitable as wetting agents and detergents. Specification 645,195 also is referred to.  The Specification as open to inspection under Sect. 91 comprises the use of olefin polymers generally including olefins obtained from the Fischer-Tropsch synthesis and isobutene-containing polymers.  Temperatures are about 50-150 DEG  F.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1514903-A (GB)
Title: Polypropylene compositions
IPC: C08K3/22
Filed: 1977-03-28
Abstract: 1514903 Polypropylene compositions; zinc oxide as additive SHELL INTERNATIONAL RESEARCH MAATSCHAPPIJ BV 28 March 1977 [29 March 1976] 12932/77 Heading C3K The corrosivity of polypropylene prepared by a Ziegler-Natta catalyst system and the plateout caused by the presence of a salt or ester of a long-chain fatty acid are both reduced by the incorporation therein of 0À005 to 0À1% by weight of the composition of zinc oxide of mean particle size less than 1 micron.
Patent GB-1510565-A (GB)
Title: Storage receptacle for magnetic tape cassette
IPC: G11B23/04
Filed: 1976-03-31
Abstract: 1510565 Cassette boxes SONY CORP 31 March 1976 [24 June 1975] 13072/76 Heading B8P A storage receptacle, moulded from a synthetic plastics resin, for a tape cassette comprises a housing 11 and a holder 12 pivoted in the housing, the holder initially pivoting about a pin 25 to a partly open position after which further pivoting occurs about a second pivot 26. A leaf spring 29 on the holder initially urges the holder to its partly open position after which the end 29b of the spring is raised from an abutment 17 and the remainder of the opening is due to gravity and the change of pivot point. Pressure on a pad 34 deflects a tongue 32 and releases catch parts 35, 36 to open the receptacle. Pivot 25 is guided in an arcuate slot 27 in the housing walls and a recess 28 in each side wall 14a, 14b of the housing carries curved portions 28b, 28a against which the second pivot 26 engages, the portion 28a forming the fulcrum for the second pivot. Inclined projections 41 deflect the cassette clear of the catch part 36 when the cassette is removed. In a modification the catch is in the form of a keystone shaped part engaging a similar shaped aperture Fig. 11 (not shown). The tape spools are prevented from turning by flexible elements 45 secured to a wall of the holder, the elements being deflected when a cassette is inserted and then springing back to engage the spools. In other forms the elements have different shapes, Figs. 15A-15D (not shown), may be formed integrally with the holder and have a line of weakening to enable them to be displaced, or may be in the form of flexible pins mounted on one or more plates fixed to the side-wall of the holder. The receptacles can be fastened together side-by-side, Fig. 20, by the provision of dove-tail shaped projections 50 and corresponding recess 52 on the outer surfaces of the housings and a projection (54) Fig. 2 (not shown) on one wall of the housing engages a recess 57 on an adjacent housing to locate the two housings.
Patent GB-278034-A (GB)
Title: Improvements in or relating to the mixture supply systems of internal combustion engines
IPC: F02D9/00
Filed: 1926-05-25
Abstract: 278,034. Brown, C., and Brown & Barlow, Ltd. May 25, 1926. Spray carburettors. -A subsidiary supply of air to the fuel passage is controlled from or by the throttle actuating means in such a manner that, throughout the whole range of throttle movement, a relatively small opening of the throttle valve is adapted to bring about the complete closure of the subsidiary air inlet and a relatively small closing movement of the throttle valve is adapted to bring about the full opening of the said inlet. The subsidiary air which enters at a is adapted to be controlled by a pad c mounted on an arm b which engages frictionally the throttle valve spindle e. Opening movement of the throttle, in a clockwise direction, closes the air inlet, by bringing the pad c on to the part a, whilst closing movement opens the air inlet by bringing the arm b against an abutment f. In a modification, a subsidiary lever actuated by a projection from the throttle spindle acts upon the arm b to ensure that the subsidiary air inlet is closed when the throttle is closed. The friction device may be entirely separate from the carburettor, and incorporated in the. control mechanism thereof.
Patent GB-559390-A (GB)
Title: Improvements in or relating to high aperture photographic objectives
IPC: G02B9/34
Filed: 1942-08-14
Abstract: 559,390. Lenses. KODAK, Ltd. (Eastman Kodak Co.). Aug. 14, 1942, No. 13171/43. Divided out of 559,379. [Class 97 (i)] In a high-apertured photographic objective comprising four airspaced components, the outer ones being positive, the inner ones compound menisci highly concave towards one another, and the third component IV, V being a cemented doublet having an axial thickness less than one tenth the focal length F of the objective, the front surface R9 of the rear component is concave to the front and has a radius greater than 2.0F ; in addition the rear surface R2 of the front component may be concave to the rear and have a radius of curvature greater than 0.5F and less than 2.0F. The refractive index of the element V may be greater than 1.7 and may be greater than the refractive index of the element IV by at least .05. Data for one example are set out. Specifications 559,379 is referred to.
Patent GB-163050-A (GB)
Title: Improved pressing apparatus with varying mechanical advantage during the movement
IPC: F16D65/28
Filed: 1921-05-09
Abstract: 163,050. Siemens-Schuckertwerke Ges. May 8, 1920, [Convention date]. Void [Published under Sect. 91 of the Act]. Presses, mechanical.-Apparatus for applying a compressing or braking pressure of the kind in which the mechanical advantage is increased when the pressure is actually applied comprises in one form an operating-lever 60 carrying a member 61 for clutching it to a wheel 62 to which the brake rod is attached. A sun pinion 63 connected to the lever 60 so as to turn therewith, meshes with a planet wheel 64 mounted on the wheel 62 and geared to a wheel 65 adapted to be held against movement by a pawl 66 which is put into engagement by connections 67, 68 when the member 61 is disengaged from the wheel 62. In the initial movement of the lever 60 for applying the brake, the member 61 is engaged so that the wheel 62 turns with the lever. When a certain pressure is reached the member 61 comes out of engagement and the pawl 66 is engaged so that upon continued movement of the lever the gearing 63, 64, 65 is effective for turning the wheel 62. According to Fig. 2 the lever 60 carries the' pivot 69 of a toothed sector 70 gearing with the pinion 71 which actuates the lever 71' connected to the brake 1. The sector carries a member 74 which in the initial movement is held by engagement with the bracket A so that this part of the movement of the lever 60 is transmitted to the pinion 71 by relative movement of the sector with respect to the lever but at a certain pressure the member 74 becomes disengaged and a pawl 72 mounted thereon engages a toothed sector 73 fixed to the lever 60, thereby fixing the sector 70 and the pinion 71 with respect to the lever. If the fulcrum of the lever 60 does not coincide with the axis of the pinion 71 the movement of the brake is transmitted only in part through the toothed sector, the other part being derived directly from the control lever.
Patent GB-577993-A (GB)
Title: Shock-absorbing devices for road vehicle and aircraft wheels
IPC: F16F9/48
Filed: 1944-07-20
Abstract: 577,993. Shock-absorbers; vehicle wheel suspensions. MINETT, D. C. July 20, 1944, No. 13208/43. [Classes 108 (ii) and 108 (iii)] Relates to a shock-absorber for the wheels of vehicles and aircraft of the type in which, when a shock occurs, fluid is forced from a primary cylinder 30 into a secondary cylinder 31 to move a piston 38 against the action of resilient means, such as a spring 42, which returns the parts to normal position when the shock ceases. According to the invention, the fluid is adapted to flow through a passage of varying area formed between a tapered bar 45 and an aperture 44 which are relatively displaceable according to the degree of shock. As shown, the main cylinder 30 is connected by a flexible pipe 57 with the interior of a plug 47 fixed in the lower end of a sleeve 40 to the upper end of which the secondary piston 38 is secured. An aperture 50 in the plug 47 is normally closed by a spring-urged valve 51 the stem of which is guided in a web 52 having holes 53 for free flow of liquid. The metering bar 45 is fixed to a cap 37 closing the upper end of the secondary cylinder 31. In operation, when the main piston 32 moves into the cylinder 30, liquid is forced from the space 56 through the pipe 57, into the plug 47, through the holes 53, and, the valve 51 being closed, through bleed holes 55 which restrict the flow, and thereafter it passes through the piston aperture 44 into the space 58. With increase of pressure in the space 58, the piston is moved downwardly against the pressure of the spring 42 and flow of liquid through the aperture 44 is increasingly restricted by the bar 45. When the shock ceases, the spring 42 expands and liquid is forced back quickly to the main cylinder with the opening of the valve 51. A manually-controlled valve may be included in the pipe 57 and/or the metering bar 45 may be longitudinally adjustable. The shock-absorber may be used in the vehicle wheel suspensions shown in Figs 2, 3. In Fig. 2, each wheel 22 is mounted at one end of an L-shaped member 23, 26 pivoted at 24 on the vehicle frame 25 and the shock-absorber 1, 2, 3, 18 is pivoted at points 28, 29 respectively between the arm 26 and a bracket 27 on the frame 25. In Fig. 3, the axis 61 of the road wheel 60 is at one end of a radius arm 62 pivoted at 63 on the vehicle frame 64 and the shock-absorber 30, 33 is mounted between the axis 61 and a pivot 65 on the frame spaced above the pivot 63.
Patent GB-543834-A (GB)
Title: Process for the production of nickel coatings on articles of aluminium or aluminium alloys
IPC: C25D5/44
Filed: 1941-10-14
Abstract: 543,834. Coating aluminium &c. with nickel. RAUSSER, E. Oct. 14, 1941, No. 13239. [A Specification was laid open to inspection under Sect. 91 of the Acts, Oct. 27, 1941.] [Class 41] Relates to the coating of aluminium and alloys thereof with nickel. The articles are first treated in a degreasing bath of dilute caustic soda containing 6 to 10 per cent of common salt at a temperature of 30-35‹ C. until a strong evolution of gas results, removed from the bath and washed, followed by immersion in a cold dilute solution of an iron salt containing sulphuric acid for five minutes, further washing, and treatment with a 3 per cent solution of ferrous chloride at 30‹ C. for up to eight minutes. They are then electroplated in a bath of high nickel content containing in addition to the usual ingredients a salt of citric acid such as sodium citrate, at a temperature of up to 35‹ C., a current density of 2-3.5 amperes per square decimetre being employed.
Patent GB-132643-A (GB)
IPC: A23N7/02
Abstract: 132,643. Hardy, A., and Waddington, A. Oct. 8, 1918. Vegetables, dressing.-In apparatus for cleaning and peeling potatoes and the like, of the type in which the potatoes are contained between concentric abrading-cylinders one or both of which rotate, the cylinders are separately mounted and rotate in the same direction at different speeds. As shown, the inner cylinder B is mounted on a shaft E having ball bearings P in sleeves C integral with the end plates A' of the enter cylinder A. The sleeves C rotate in bearings F. The cylinders are driven by gear-wheels from a pulley N or by hand. A hinged flap T provides an opening to the space between the cylinders, which rotate partly immersed in water in a tank R. The cylinder B may not be positively driven.
Patent GB-651151-A (GB)
Title: Improvements in devices operated by magnetostriction or thermal expansion
IPC: H01H55/00
Filed: 1948-05-14
Abstract: 651,151. Bolting. ERICSSON TELEPHONES, Ltd., and WILMAN, C. W. May 14, 1948, No. 13271. [Class 89(i)] [Also in Groups XIII, XXIV, XXXII and XXXVII] In a device for magnifica tion of a relative movement produced by the differentia: thermal expansion of a rigid frame and a series of bowed leaf springs mounted therein (see Group XIII) the leai springs are supported at each end by a screw 3 split to embrace the frame 1 and adjustably secured thereto by two nuts 9 (one only being shown in Fig. 2) which engage with slots 11 on either side of the frame member. Packing pieces may be inserted in the split ends of the screws to prevent closing.
Patent GB-888954-A (GB)
Title: Improvements in or relating to shock absorbing insole and arch cushion
IPC: A43B7/28
Filed: 1958-04-25
Abstract: 888,954. Foot arch supports. SCHOLL MFG. CO. Ltd. April 25, 1958 [Aug. 21, 1957], No. 13286/58. Class 17(2) A cushion insole comprises a cover sheet 1; a plurality of separate cushion elements 5, 9 secured to the underside of the cover sheet, and a bottom cushioning sheet 4 secured to the cover sheet at the bounding edge only and otherwise free of attachment to the cover sheet or elements. Preferably the cover sheet is of thermoplastic material perforated as at 2, and the sheet 4 of foam material, e.g. vinyl foam, and the two are joined by a heat sealed seam 15. As shown, element 5 beneath the longitudinal arch of the foot, and element 9 forming a metatarsal lift are joined to the cover sheet by heat sealed seams 6, 7, 10. An extension 3 of the cover sheet is joined to a cushion element 13 and a bottom piece 11, of similar material to the cover sheet, by a heat sealed seam 12. A further heat sealed seam joins piece 11 to element 13, and piece 11 with sheet 4, but preferably element 13 and sheet 4 are not connected directly. The foam parts are curved at the edges to facilitate formation of the seams. Specifications 871, 504 [and 879,227 are referred to.
Patent GB-133474-A (GB)
IPC: C01D3/02
Abstract: 133,474. Dutt, E. E., and Dutt, P. C. Oct. 18, 1918. Potassium fluoride is obtained from silicates such as feldspar by treating with silicon tetrafluoride and steam at about 500-600‹ C. and leaching the product.
Patent GB-479653-A (GB)
Title: Improvements in making bent pipe elements and elements thus obtained
IPC: B21D7/00
Filed: 1937-05-11
Abstract: 479,653. Angular bending. SOC. ANON. DES HAUTS-FOURNEAUX & FONDERIES DE PONT-A-MOUSSON. May 11, 1937, No. 13364. Convention date, May 14, 1936. [Class 83 (iv)] In making bent tubes, a straight tube is cast by the centrifugal method, and the tube is then bent without applying tension to the outside of the bend. The cast pipe 1 is held in a clamp 7, and a mandrel 3 with spacers 15 is secured by nuts 5. The tube is heated by a burner 6 and the nuts 5 are tightened to effect the bend. A mass 12 suspended at the free end of the tube assists the bending. Compression rods may be secured to the tube to apply an eccentric compression load. The tube may be filled with sand or with an oxidizing substance adapted to modify the mechanical properties of the pipe.
Patent GB-341367-A (GB)
Title: Improvements in and relating to resistance units
IPC: H01C1/148
Filed: 1930-05-01
Abstract: Alloys for electric resistances may be of iron with 25 per cent nickel and 11 per cent chromium, a copper-nickel alloy having 55 per cent of copper, or a nickel-manganese alloy having 1-2 per cent of manganese.
Patent GB-135350-A (GB)
IPC: G07F17/14
Abstract: 135,350. Hastings, B. S. Dec. 24, 1918. Fastenings for doors.-The bolt f is operated from outside, after the insertion of a coin, by means of a lever e on the handle spindle e<1>. The lever e also turns a second lever b<2> pivoted at b<3>, to actuate the indicator and coin-slot closing slide b<1>. From inside, the bolt is withdrawn and the slide b<1> restored to position by a follower h. Coin action, mechanical-connexion.-The insertion of a coin presses back a slide b, which actuates a three-armed lever c and releases its arm c<2> from engagement with the handle lever c, and the coin then falls between a washer e<4> on the lever e and a crescent-shaped part a<2> on the bolt, so that the bolt is withdrawn when the handle is turned. The arm c<2> is held inoperative during the withdrawal of the bolt, by a pawl v<2> engaging behind a projection c<4> on the arm c<3> of the lever e, but is again released, when the door is slammed, by a bell-crank u, one arm of which extends into a slot in the bolt. Exhibiting coins.-The coin is held in the position shown in Fig. 3 until the door is slammed, whereupon it falls to a receiver i for exhibition before a window in the casing. It is released therefrom by all arm e<5> on the outside handle lever c when this is again operated to open the door. Registering.-The arms e<5> of the lever e is also connected by means of a rod m and crank m<1> to counting-mechanism n, so that this is actuated every time the outside handle is operated.
Patent GB-1511187-A (GB)
Title: Chromans
IPC: C07D311/22
Filed: 1976-04-02
Abstract: 1511187 Chromanes BEECHAM GROUP Ltd 23 March 1977 [2 April 1976 10 Aug 1976] 13536/76 and 33178/76 Heading C2C Compounds of the general Formula (I) (R 1  = H, C 1-4  alkyl optionally substituted by Cl, Br, OH or C 1-4  alkoxy or acyloxy; R 2 =H, C 1-4  alkyl or NR 1 R 2 =5-8 membered ring optionally substituted by one or more methyl groups; Y=COR 3 , CO 2 R 3 , SOR 3 , SO 2 R 3 , SO . OR 3 , SO 2  . OR 3 , CH(OH)R 3 , C(R 3 )NOH, C(R 3 )NNH 2 , CONH 2 , CONR 4 R 5 , SONR 4 R 5 , SO 2 NR 4 R 5 ; R 3,4 =C 1-8  hydrocarbyl optionally substituted by Cl, Br, OH, C 1-4  alkoxy or acyloxy, or by three fluorine atoms on the same carbon atom; R 5  = H, C 1-4  alkyl) and their esters and salts are prepared by reacting a corresponding 2,2 - dimethyl - 3,4 - epoxychromane (IV) with R 1 R 2 NH, optionally followed by (a) conversion of a ketone to its oxime, hydrazone or the corresponding secondary alcohol, (b) acylation and/or (c) salt formation. The starting material may be substituted by a precursor for Y, e.g. a cyano group which may be hydrolysed to a carbamoyl group. The starting materials are prepared by the following route (Y<SP>1</SP>= inert group Y, or precursor). The above compounds are antihypertensive agents, and may be administered in the form of pharmaceutical preparations containing them in association with a carrier.
Patent GB-529042-A (GB)
Title: Improvements in the stuffing boxes of sluice and stop valves
IPC: F16K41/02
Filed: 1939-05-06
Abstract: 529,042. Stuffing-boxes. KING, F. A. May 6, 1939, No. 13551. [Class 122 (v)] In a sluice or stop valve one or more passages 6 extend from the bottom of, or immediately beneath, the bottom of a stuffing box 3a and through the valve casing to the outside thereof to permit leakage to drain away when it is desired to re-pack the box. Normally the passage 6 is closed by a plug 7 or stop cock. The passage 6 may be connected to passages 12 in a lantern ring 10.
Patent GB-122795-A (GB)
Title: Improvements in Hubs for Road Vehicles, Aeroplanes, or the like.
Inventor: FIELD BENJAMIN ARTHUR
IPC: B60B9/00
Filed: 1918-08-21
Abstract: 122,795. Field, B. A. Aug. 21, 1918. Spring wheels with continuous outer rigid ring and rubber-ring and like hubs and cushions. - The outer hub G is supported from an inner hub A (mounted on the axle A') by two rubber &c. rings E, E' which are separated by a sleeve F and clamped between a shoulder B on the hub A and a nut D. The outer hub, which is secured in place by a detachable plate H, may be formed with one or more flanges to engage grooves in the rings E, E'.
Patent GB-1359450-A (GB)
Title: Means for measuring heat quantities and heat flow rates
Inventor: IVERSEN P C C
IPC: G01K17/10
Filed: 1973-03-21
Abstract: 1359450 Measuring heat flow electrically DANFOSS A S 21 March 1973 [22 March 1972] 13585/73 Heading G1N Means for producing an electrical signal dependent on the rate of delivery of heat to, or of extraction of heat from, a heat exchanging apparatus e.g. a domestic hot water heating installation 3, by fluid flowing in a fluid-flow circuit 1, 2 of that apparatus comprises a pair of electrodes 13, 14 mounted in a section of the circuit, or of an outlet or inlet connection connected therewith, the electrodes being mounted at positions spaced apart in a direction normal to the fluid-flow to produce as the said signal a voltage developed between the electrodes by fluid flowing in the section; an electromagnet 10, 11 having poles disposed on opposite sides of the section so as when energized to produce a magnetic field in fluid flowing in the section which field is substantially perpendicular to the direction of fluid-flow in the section and to the gap between the electrodes; thermocouples 4, 5 producing a signal dependent upon the difference in temperatures of fluid entering and leaving the fluid-flow circuit and a differential amplifier 6 energizing the electromagnet in dependence on the temperature difference signal. In an alternative embodiment Fig. 2 (not shown) the temperature difference signal is produced from a pair of temperature sensitive resistors (16, 17). To produce a signal representative of the amount of heat exchanged the voltage from the electrodes is fed to an integrator 15.
Patent GB-1374896-A (GB)
Title: Universal joints
IPC: F16D3/205
Filed: 1972-03-23
Abstract: 1374896 Universal joints GLAENZER SPICER 23 March 1972 [6 April 1971] 13664/72 Heading F2U A universal joint comprising a socket with axial grooves engaged by rollers (5), Fig. 1 (not shown), each on a radial arm 3 of a tripod within the socket, has all its rollers biased radially (to avoid rattle) by a common ring 151 coaxial with the tripod. The ring may be of round cross-section (8) or as shown with lugs 15<SP>1</SP>b engaging the faces of rollers facing radially inwardly of the tripod. The joint to which the ring is welded may be as in Specification 1,341,615.