baber/WOPTO huggingface dataset:
Patent GB-828650-A (GB)
Title: Improvements in the recovery of pure olefine polymers
IPC: C08F6/02
Filed: 1957-08-13
Abstract: Crude olefin polymers containing inorganic catalyst residues are purified by treating a solution obtained by the polymerization process or by subsequent dissolution of a crude polymer in an organic solvent at elevated temperature, with a precipitate to precipitate the inorganic catalyst residues, adding an inorganic surface-active compound of porous structure having a large internal surface to remove the solid substance and then separating mechanically. Specified olefins are ethylene, propylene and ethylene - alpha - butylene mixture.  Specified solvents are xylene, ethyl benzene, diethyl benzene isopropyl benzene, and di- and triisopropyl benzene. Specified surface - active compounds are gamma-aluminium oxide, silicon dioxide, kieselguhr, bleaching earths, bentonite and montmorillonite; these may also be added before or during polymerization.  Water, preferably in the form of steam or superheated steam, is the preferred precipitant.
Patent GB-462698-A (GB)
Title: Improvements in or relating to the manufacture of abrasivecoated articles
Filed: 1935-09-13
Abstract: 462,698. Flexible abrasive articles. TENNANT, W. J. (Benner, R. C., and Melton, R. L.) Sept. 13, 1935, No. 25512. [Class 60] Abrasive-coated articles are made by sprinkling on to a backing of paper, cloth, fibre, or metal, abrasive grains having individual non- tacky films of a softenable adhesive, softening the films so that part of the adhesive flows into contact with the backing, and hardening the softened adhesive to cause the grains to be bonded to the backing. The adhesive may be soluble, e.g. glue, lacquer, resins, cellulose derivatives, or mixtures of resins with the oxidation products of drying oils such as tung oil and linseed oil; heat hardenable, e.g. the resin sold under the Registered Trade Mark " Redmanol " or thermoplastic, e.g. shellac. According to the nature of the adhesive, the films of adhesive are softened by the application of a solvent or by heat and are subsequently hardened by evaporating the solvent, by heating or by cooling. The backing may be pretreated to cause the grains temporarily to adhere thereto by coating with adhesive, by applying a small quantity of solvent or by heating the uncoated backing. Specifications 431,062, 440,569 and 448,342 are referred to.
Patent GB-309049-A (GB)
Title: Electric distant recording system and apparatus therefor, applicable for use in connection with various phenomena
Filed: 1927-09-28
Abstract: 309,049. Harley, S. J. Sept. 28, 1927. Tell-tale apparatus.-In an electrical distant recording system the movement of a contact c<1> is produced directly or indirectly by the phenomena under observation which, as described, is the reversing gear of a locomotive. The contact c<1> is associated with a resistance a<1> connected across a continuous current source of power and is connected through a relay d to a follow up contact c associated with a similar resistance a. The relay d controls a motor g through a contactor f which drives the contact c and operates a recording device. Alternatively the drive may be produced by electromagnetically operated mechanism of the escapement type. The resistance, instead of being fixed, may be movable and the contact fixed. Reference has been directed by the Comptroller to Specification 28164/09, [Class 38 (iii), Electric motor control systems &c.].
Patent GB-356456-A (GB)
Title: Improvements in or relating to the supply of fuel to two-stroke radial cylinder diesel engines
IPC: F02D1/00
Filed: 1930-08-27
Abstract: 356,456. Supplying fuel by direct injection. SIEMENS & HALSKE AKT.- GES., Siemensstadt, Berlin. Aug. 27, 1930, No. 25587. Convention date, Oct. 14, 1929. [Class 7 (iii).] In a radial cylinder two-stroke cycle Diesel engine fuel is supplied by a separate pump 7 to each cylinder, the pumps being actuated by a common cam 8 secured to the crank-shaft. Scavenging air is supplied under pressure by a gear-driven blower 5.
Patent GB-709027-A (GB)
Title: Improvements in or relating to motor road vehicles
Inventor: VERDON-ROE GEOFFREY
IPC: B62D31/02
Filed: 1951-11-02
Abstract: 709,027. Body panelling. SAUNDERSROE (ANGLESEY), Ltd., and ROE, G. VERDON-. Oct. 24,1952 [Nov. 2,1951; Aug. 19, 1952], Nos. 25711/51 and 20800/52. Class 108(1) A vehicle body comprising longitudinal crib rails 13 interconnected by transverse members 16 and having pillars 10 is provided with an outer panel 18 preferably unflanged and an inner panel 17 having flanges 24 and 25 secured to the outer panels 18. The inner panel is preferably dished at 28 and anti-drumming strips 21, 22 are provided between the panels. The outwardly extending flange 14 of the crib rail 13 supports the floor 15. The upper ends of the pillars 10 are interconnected by a downwardly facing channel section member 11 to which is secured a similar member 12 to form the cant-rail. The roof is formed of unflanged outer panels 39 to which are secured flanged inner panels 38 thus forming a box structure.
Patent GB-502690-A (GB)
Title: Cooling systems for rotary compressors and the like
IPC: F04C29/00
Filed: 1937-09-22
Abstract: 502,690. Rotary compressors; substitutes for stuffing-bozes. NICHOLS, T. W. Sept. 22, 1937, Nos. 25741/37 and 15736/38. [Classes 110 (ii) and 122 (v)] Compressors of sliding-vane or Roots'-blower types, are cooled by the spraying of liquid through jets 11, 12, into the working chamber, the mixture of compressed medium and liquid passing out through a delivery port 44. 'Cooling, liquid preferably water, may also circurate through the rotor and casing. In one arrangement, Fig. 1, an eccentric rotor 4 in a casing 1 is mounted on a shaft 5 which drives a pump 6, also of the sliding vane type. Water enters the pump 6 through an inlet 7, and is delivered through pipes 8 to the jets provided in non-corrodible plates 13, 14. The pump may also supply, separately, the cooling passages in the stator and rotor. The supply to the jets is controlled by a regulator 15. The port 44 leads to a receiver 18 by way of a non-return valve and a pipe 17, which reaches to the bottom of the receiver. Compressed air and water pass out of the pipe through small holes which are arranged below the level of the water in the receiver. Air passes out of the latter through a pipe 23. Fig. 4 shows a modification in which air pressure in the receiver 18 forces water through a valve 24, a cooler 27, and past an automatic valve 26 to the sprays. The pump 6 supplies cooling liquid to the cooler 27 through a pipe 22. The cooler may be arranged on the outlet side of the stator, or on the inlet pipe 7. When' the compressor is started up, air is delivered through the port 44; raises a valve 16, and in doing so lifts the ball valve 26, to allow water to pass to the sprays. When the compressor stops, valves 16, 26 return to their seats. To prevent water percolating to the bearings, stainless steel plates 29 and spring rings 31 are arranged as seals. Plates 33 deflect leakage water into channels 37 and to drains 39. Packings 35 are also provided. The drains 39 may lead to the compressor casing prior to the air inlet port. -Jets may also be arranged' around the casing. Specifications 433,459, 435,612, and 467,022 are referred to. The first Provisional Specification refers to the use of vanes of plastic or laminated materials.
Patent GB-268670-A (GB)
Title: Improvements in safety mechanism for liquid fuel burning devices
IPC: F23D5/14
Filed: 1926-10-15
Abstract: 268,670. Marks, E. C. R., (Williams Oil- O-Matic Heating Corporation). Oct. 15, 1926. Electrically controlling fuel or air supplies.- A float 17 arranged in a chamber 13 communicating with the water space of a steam generator actuates by rods 19<a>, 22<1>, 23, 24 a switch 27 to open the electric circuit to the fuel burner device when the water falls below a predetermined level. The switch 27 may comprise a mercury bulb 29 which is tipped by levers 30 connected to the arm 24. A spring catch 39 requiring manual release may be provided to prevent the upward movement of the arm 24 after the switch has been opened. The float 17 may be arranged to operate a valve controlling the inflow of water through the chamber 13 to the steam generator
Patent GB-290500-A (GB)
Title: Improvements in and relating to meat tenderers
IPC: A22C9/00
Filed: 1927-09-30
Abstract: 290,500. Spang, J. P. Sept. 30, 1927. Meat, dressing.-A meat tendering device of the type having a plurality of rotary knives, a table to support the meat to be tendered and means to cause a relative reciprocating motion between the table and knives has the table mounted so that it can be turned by hand or automatically at the end of the reciprocatory movement. In the form shown in Fig. 3 the table 2 is mounted on a central pivot 37 and is adapted to be turned by a handle secured to the periphery. Adjusting screws 40 are provided for varying the height of the table. The knives 6 are fixed to a shaft 7 rotatably mounted in ears 9 on a member 8 and provided with rollers 11 engaging slots 10 in a guide member 4 and with pinions engaging fixed racks 17 whereby the knives are rotated. The member 8 is pivoted at 15 to an actuating lever 12 pivoted at 13 to the guide frame. The guide frame is pivoted at 5 to the base plate 1 and at the front rests on a pillar 25 where it is secured by a pivoted catch 28 engaging a groove 29. The meat is held to the table by a stripper plate 19 having a number of parallel slits to receive the knives and held against a bar 230 and movable catch 24 by plate springs 21 mounted under the racks. Endwise movement is prevented by lugs 232 and a bar 231. In the form shown in Fig. 7, the meat carrier is automatically rotated and is mounted on a carriage 43 reciprocated in guide ways by a handle 49 on the shaft carrying the knives 46 acting through toothed wheels 50, 51, 155 and rack 54. The bearings for the knife shaft are detachably secured in position by screws 58 and a cover 59 for the knives is hinged at 60 and secured by screw clamps 65. The table is rotated through 90‹ at each end of the stroke by fixed projections 77 engaging a lever 68 pivoted to the carriage and linked to a pin passing through a slot in the carriage into engagement with a hole in the table. The meat is held to the table by a series of bars 78 connected at their ends by transverse bars one of which is pivoted to pillars 84 while the other is held by pillars 85 carrying rotating catches 88 adapted to be released automatically at the end of the return stroke. The pillars 84 and 85 are raised automatically at each end of the stroke against the action of springs 89, 94 by engagement with fixed cam surfaces 92, 93.
Patent GB-1489682-A (GB)
Title: Production of looped nap textile fabrics
IPC: D05C15/00
Filed: 1975-06-18
Abstract: 1489682 Tufting machine VERDOL SA 18 June 1975 [20 June 1974] 25870/75 Heading D1G A tufting machine has a yarn draw off device comprising pulleys 22, 23 over which the yarn 4 passes, a member 26 which reciprocates between the pulleys to deform the yarn path and draw off yarn from a bobbin 5 and a non-return device (not shown) which permits passage of the yarn only in direction F. The pulleys are carried on rails 10, 11 movable by a Verdol mechanism against the action of springs 20, 21 to vary the amount pulled off, and thus the height of tufted loops 8, 9 to produce a patterned effect. A further bar 30 is provided which may be raised above one of the pulleys (Figs. 5, 6 not shown) to provide further adjustment. The member 26 is reciprocated by an adjustable crank 28.
Patent GB-909165-A (GB)
Title: Electric circuit breaker adapted for interrupting heavy excess currents by electro-dynamic repulsion
IPC: H01H77/10
Filed: 1959-07-29
Abstract: 909,165. Automatic circuit-breakers. LICENTIA PATENT - VERWALTUNGS - G.m.b.H. July 29, 1959 [July 30, 1958], No. 26030/59. Class 38 (5). A snap-action spring which normally acts as a contact pressure spring, is moved over centre when the contacts are opened by electrodynamic repulsion due to heavy excess currents and the spring completes the opening movement. In Fig. 1, a shaft 8 coupled to circuitbreaker operating means, including thermal and/or electromagnetic overload trip devices (not shown) carries two parallel plates 7 between which a moving contact arm 22 is pivoted at 3. Tension springs 4 between a pin on the plates 7 and a pin 6 on the arm 2 bias the pin 6 to either end of slots 9 in the plates 7. In the contact closed position the arm 2 engages a fixed contact 1 forming a looped current path so that heavy excess currents effect repulsion of the arm 2 moving the spring 4 across the pivot 3 so that it snaps the arm 2 to the Fig. 2 position against a stop 12. The arm is reset to its other position with the pin 6 at the left-hand end of the slot 9 by clockwise movement of the shaft 8 and plates 7. In Figs. 5 and 6 (not shown), the position of the pivot 3 and the pin 6 are reversed and a compression spring is used.
Patent GB-409272-A (GB)
Title: Improvements in or relating to the printing of paper serviettes
IPC: B41F5/24
Filed: 1932-09-19
Abstract: Printing.--Paper serviettes are printed in one or more colours with aniline dyestuffs which are precipitated in the form of water-insoluble lakes from their aqueous solutions by means of tanning or mordanting agents, such as tannin, and dissolved in substantially odourless spirituous solvents such as alcohol.
Patent GB-1129425-A (GB)
Title: Hydraulically actuated clutch having cushioning valve
Inventor: STEINHAGEN HORST GUENTER
IPC: F16D25/0638
Filed: 1967-06-06
Abstract: 1,129,425. Friction clutches. TWIN DISC Inc. 6 June, 1967 [6 June, 1966], No. 26107/67. Heading F2C. Engagement of an hydraulically operated multiplate friction clutch is cushioned by providing a modulating valve V in the servochamber 4 which valve opens during initial clutch engagement and thereafter is slowly closed to provide a slow pressure build-up in the servo 4. The valve V comprises a valve plate 35 pressed into engagement with a valve seat plate 27 by a spring 36 that reacts against a piston 31 which is slidable in a cylinder C and has a bore 33 therethrough to connect the cylinder C with the servo-chamber 4. Pressure liquid supplied to the servo chamber 4 for clutch engagement initially urges the clutch plates 9, 11 into light frictional engagement and opens the valve V to prevent rapid pressure build-up in the servo 4. Thereafter pressure liquid is metered from the servo 4 through the bore 33 to the cylinder C and slowly moves the piston 31 right, whereupon the valve plate moves towards its seat 27 and causes a slow pressure build-up in the servo 4 to increase the clutchengaging pressure. When the clutch is disengaged the spring 36 returns the piston 31 to the position shown. As shown in a double friction clutch Cl, C2, wherein a double piston 3 is moved axially by selectively supplying pressure liquid to servo chambers 4, 4a to engage the clutch C1 or C2, a valve V is provided in each servo-chamber. Belleville springs 11 are provided between the clutch plates 9, 11 to separate the latter and to return the double piston 3 to a central position during clutch disengagement.
Patent GB-699842-A (GB)
Title: Improvements in or relating to cupboards
IPC: E05C7/00
Filed: 1951-11-07
Abstract: 699,842. Cupboards. BAWN & CO., Ltd., W. B., and COOMBES, G. R. Sept. 16, 1952 [Nov. 7, 1951], No. 26117/51 Class 52(i) [Also in Group XXV] A cupboard with two or more separate compartments has the release means for the door latch of one compartment mounted within the other compartment. As shown, the structure has separate lower cupboards 6, 7 containing sliding rods 29 for the respective pivoted spring latches of the doors of upper compartments 5, 4. The latch rod passing through the compartment 5 may be encased by a tube.
Patent GB-1340367-A (GB)
Title: Fluid analysis apparatus
IPC: G01N35/00
Filed: 1971-04-19
Abstract: 1340367 Electrochemical analysis INSTRUMENTATION LABORATORY Inc 19 April 1971 [7 April 1970] 26168/71 Heading G1N A SEMI-AUTOMATIC push-button controlled apparatus for the SIMULTANEOUS ANALYSIS of e.g. blood for O 2 , CO 2  and pH comprises a pair of water jacketed micro cells, with associated pumping, valves, washing fluid, calibrating gas, logic-type control circuitry and display instruments. As illustrated Fig. 1 three digital displays 100, 102, 104 with associated balance controls 106, 108, 110, are arranged above a series of indicators/push-buttons 80..92, mounted on a base 10 carrying or housing the whole apparatus of which there is illustrated e.g:- peristaltic pump 32, alternative manual pump 34, water jacket heater 30 for the combination O 2 /CO 2  cell 14, 16 and a pH cell 22. ELECTRO-CHEMICAL CELL 14, 16 is shown in greater detail Fig. 2 with a small central chamber 132 and horizontally opposed electrode sets inside the water jacket. The O 2  sensor comprises a wire electrode whose tip is covered by a polypropylene membrane 112 and an Ag/ AgCl reference electrode. The CO 2  sensor comprises a glass electrode covered by a nylon membrane 129 and silastic membrane 130 which is permeable to CO 2 . An electrode 142 is provided for SENSING the INTEGRITY OF the MEMBRANES. The pH system (not shown in detail) comprises a pH sensitive glass capillary. The two cells require only 0À4 millilitre of sample. CALIBRATION. Known "high" and "low" gas mixtures of CO 2 , O 2  and N 2  are used to check operation and mix with the flushing liquids. These gases are humidified in bubble chambers of distilled water 40, 42 Fig. 1, to avoid drying out the cell membranes during calibration or stand-by. Flow diagrams of the measuring, sampling, washing, and control logic circuits are given Figs. 3, 4, 5, (not shown), together with timing sequence diagrams Figs. 6.. 8 (not shown) for the STANDBY, CALIBRATE, and SAMPLE modes of operation as selected by buttons 88, 90 or 92.
Patent GB-260099-A (GB)
Title: Improvements relating to flying machines
IPC: B64C33/02
Filed: 1925-10-20
Abstract: 260,099. Hofman, W. Oct. 20, 1925. Worm fans and pumps.-An air turbine on an aircraft obtains an auxiliary supply of air from a forwardly directed cone 17, carried by a spider from the shaft 13 of the turbine, and provided with internal helical blades 19 to assist compression of the air, collected during forward motion, into a stationary ball 21.
Patent GB-1316628-A (GB)
Title: Sieve machine
IPC: B01D35/28
Filed: 1970-06-01
Abstract: 1316628 Vibratory sieve "RHEWUM" RHEINISCHE WERKZEUG-UND MASCHINENFABRIK GmbH 1 June 1970 [13 June 1969] 26258/70 Heading B2H A sieve machine comprises a sieve box, a sieve fabric, e.g. of wire mesh or textile fabric, which is clamped in position at its edges, an inlet for material to be sieved and outlets for the sieved components of the material, and vibrator units for the direct excitation of the sieve fabric surface, the sieve fabric surface being divided at right angles to the direction of feed over its whole extension into individual regions, each of which is individually tensionable and each having its individual vibrator unit associated therewith. As shown in Fig. 1 this sieve fabric 1 is clamped in a frame 2 by adjustable fastening and tension elements 3. The sieve fabric surface is divided at right angles to the direction of feed into six regions 4 which are associated with six elements 3 on each longitudinal edge of the fabric. The fabric surface is divided in the direction of feed into five regions each associated with a tension element 3. Each vibrating unit, Fig. 6-8, comprises a number of heads 9 located on beater levers 8 mounted on a shaft 7 supported in rubber bearings 5. Vibration is imparted to the shaft 7 by an electromagnet 10 via a lever 11. The vibrator units may operate synchronously or asynchronously and at different frequencies and intensities, and the regions of the fabric may be of equal or unequal width and tension.
Patent GB-946388-A (GB)
Title: Improvements relating to fluorescent x-ray image screens and methods of manufacturing such screens
IPC: G21K4/00
Filed: 1962-07-09
Abstract: A fluorescent X-ray image screen comprises a membrane 1, Fig 2, of a homogeneous elastic material, e.g. polyethylene terephthalate 0.05 to 0.5 mm. thick pervious to light and/or X-rays, stretched flatly on a supporting frame 2 and carrying a layer of fluorescent material 4. The fluorescent material may be deposited on a thin soft base (e.g. cardboard) which is then secured to the stretched membrane.  Fig. 3 illustrates a method of preparing a membrane <PICT:0946388/C3/1> <PICT:0946388/C3/2> having more fluorescent material at its edges than in the centre, where the material is deposited by sedimentation, the membrane 1 during sedimentation being made to bulge upwards by applied air pressure.
Patent GB-1124740-A (GB)
Title: A roller mounting for sliding sashes
IPC: E06B3/46
Filed: 1967-06-07
Abstract: 1,124,740. Runners for sliding doors. ELTREVA A.G. 7 June, 1967 [7 June, 1966], No. 26335/67. Heading E1J. In a roller mounting for a sliding sash running on a track 3 on the horizontal surface of the rebate of a cill 8, the rollers 6 are each mounted in a U-section bracket 7 which is tiltable about a pin 10 mounted in an angle section 12, the pin being parallel to the direction of travel of the roller, the angle section 12 being let into the underside of the bottom rail 11 of the sash, the arrangement being such that when the roller 6 is upright the web of the bracket 7 bears against the flank 13 of the section 12 and the vertical flank 14 remote from the rebate surface 8 has a horizontal ledge 15 which carries a small roller 17 revolvable on a vertical pin 16 and at the end of the sash closing movement rides onto a vertical ramp 5 mounted to confront the vertical rebate surface 8, and thus forces the bottom rail of the sash into sealing contact with face 8, the roller and bracket 17 tilting about the pin 10.
Patent GB-917674-A (GB)
Title: Improvements in taps or valves for controlling fluid flow
Inventor: BROWN HARRY
IPC: F16K27/02
Filed: 1958-08-15
Abstract: 917,674. Valves. PEGLERS Ltd. Aug. 5, 1959 [Aug. 15, 1958], No. 26359/58. Class 135. A moulded plastic tap has a body 10 with integral branches 11, 12, 13, the branch 11 providing an externally-threaded and flanged inlet connection 14, branch 12 forming a cylindrical valve chamber 17 open at its outer end, and the branch 13 being the outlet and embodying anti-splash grooves 33. At the junction of branches 12, 13 is an annular boss 19 constituting a seat 20. The open end of chamber 17 is externally threaded and is engaged by a cover 23 having a hollow plug 24 in the chamber, the plug 24 embodying integral or removable sealing ribs 26 and a valve closure 27. The cover 23 incorporates lugs 31 and a plain depending part 28 with an inturned lip 29 to prevent complete withdrawal of the cover, which may be positioned in the body when hot; the latter may include a coloured or marked disc to indicate that the tap is used for hot or cold liquid. The disc may be omitted and the cover coloured as required. The closure 27 may be a separate plastic jumper having a stem 30 slidable in a hole in the plug 24; when applied to a pillar tap the inlet connection is curved as shown in chain lines.