baber/WOPTO huggingface dataset:
Patent GB-507033-A (GB)
Title: Improvements in and relating to a casement window construction embodying a roller blind
IPC: E06B9/92
Filed: 1938-09-30
Abstract: 507,033. Window blinds. EGLI, A. Sept. 30, 1938, No. 28489. [Class 20 (iii)] An outwardly-opening casement window is provided on both the inside and outside of the window sashes 3 with guide-rails 4, 5 for a roller blind so that, whether the sashes are open or closed, the blind can be guided in rails on the sashes ; further, the blind is provided with strips 13 adapted to co-operate with flanges 12 on the rails 4, 5 so as to retain the blind in the guides both when the sashes are open and closed. The guides 4, 5 on each sash are disposed at exactly the same distance from the centre 6 of rotation of the sash, whereby, both when the sash is open and closed, there is provided a continuation of the fixed guides 2 on the window frame. Each of the rails 4 may be subdivided into two or more parts articulated together ; the lower part of the rail 4 shown in Fig. 1 is supported upon a hinge 7, whereby the guides and blind can be pushed outwardly to an inclined position by links 8, 9.
Patent GB-519784-A (GB)
Title: Improvements relating to apparatus for comminuting molten metal
IPC: B22F9/10
Filed: 1938-09-30
Abstract: 519,784. Atomizing fusible material. HILLER, S. Sept. 30, 1938, No. 28515. [Class 69 (iii)] [Also in Group III] Apparatus for atomizing fusible materials such as metals for producing metallic powders or compounds in powder form, comprises a flinger wheel 3 having radial vanes 3a mounted within a casing 4 carried by the shaft of the wheel and provided with one or more openings 5a at the bottom thereof, the unit so formed being adapted for partial submersion in a bath of molten material whereby the material flows into the casing into contact with the wheel. The metal is projected into a divergent passage 6 and air or steam admitted by a valve controlled passage 8 and flue gases are admitted by a similarly controlled passage 14 so that either air or flue gases or both may be admitted to the atomizer. The lighter particles are carried by the gas stream while the heavier particles return to the melting bath 2. The unit is supported by detachable bearings on the edge of the bath. The apparatus is stated to be applicable for producing finely divided lead, tin, antimony, cadmium or other metals of low melting point and their compounds such as oxides or carbonates.
Patent GB-861565-A (GB)
Title: Improvements in or relating to wagon handling assemblies
Inventor: GROSSMITH GEORGE WILFRID
IPC: B61L17/00
Filed: 1956-09-18
Abstract: 861,565. Railway sidings. STRACHAN & HENSHAW Ltd. Sept. 18, 1957 7 [Sept. 18, 1956], No. 28553/56. Classes 78 (4) and 104 (2). An operator standing adjacent a service point such as a tippler 10 controls the movements of an electric locomotive 30 supplied from overhead wires 20 and used for feeding trucks on to the service point from a track 12. The locomotive preferably runs faster in reverse gear than in forward and stands in a lay-by 16 when not in use, the switch 14 being under the control of the locomotive operator. Automatic signals 27 show green when the locomotive is clear of track 12, otherwise red. A loop 22 is provided to clear a locomotive which brings the trucks on to the track 12. A lay-by for two locomotives may be provided between two tracks 12 and connected to both (Fig. 4, not shown). With blind end working both the lay-by 16 and the loop 22 may be omitted, the locomotive normally standing at the blind end of the track 12. Several tipplers 10 may then be fed by one locomotive 30, using a traverser 72, Fig. 6, on which the locomotive normally stands. Operation of the locomotive controls at any of the stations 10 brings the traverser opposite the appropriate track 12. In this embodiment power is supplied to the locomotive through a cable 74 wound on a drum 76 on the traverser.
Patent GB-673740-A (GB)
Title: Improvements in and relating to the internal cleaning of pipes of boilers
IPC: B08B9/057
Filed: 1948-11-03
Abstract: 673,740. Cleaning pipes. LEDINEGG, M. Nov. 3, 1948, No. 28554/48. Class 99 (ii) The pipes of tubular boilers are cleaned by push-through cleaner bodies internally fitting the pipes like pistons with a clearance therebetween which are driven through the pipes by a current of water which is supplied by a pump and periodically reversed automatically by a switch-over valve. Each cleaner comprises a cover 27, 28 and scrapers 29 having opposed conical surfaces. One end of each scraper is pivoted in a hub 35 whilst the other end is in sliding engagement with a hub 33. The hubs are separated by a spring 34 and mounted on a bolt 36 which interconnects the parts 27, 28 and serves as an attachment for other cleaners. The scrapers move inwardly to pass an obstruction since the build up of pressure on either of the parts 27, 28 causes relative movement therebetween. The boiler pipes are provided with restrictions at their ends to retain the cleaners therein and with a by-pass pipe to store the cleaners.
Patent GB-1234776-A (GB)
Title: Improvements in conveying cigarettes
IPC: A24C5/35
Filed: 1967-06-21
Abstract: 1,234,776. Arrangements of conveyers. MOLINS MACHINE CO. Ltd., D. W. MOLINS and T. ROWLANDS. 21 June, 1968 [21 June, 1967], No. 28611/67. Heading B8A. Cigarette making machines 4 feed respective tray filling machines 5 the trays from which are transferred by an overhead conveyer 7 to a marshalling centre 3. The latter comprises tray unloading machines 10 each of which is connected by a respective conveyer 11 with a respective group of cigarette packing machines 12. The trays may be carried in stacks in baskets 6. The tray unloading machines may be as described in Specification 1,191,342. Groups of the machines 5 may feed a particular brand of cigarette to a corresponding one of the machines 10. To enable this each basket 6 is coded by being provided with a mirror (not shown) arranged to be movable along an arm to a number of different positions. Each machine 5 has a mirror (not shown) set in one of a corresponding number of positions. A light-beam reflected by the mirrors causes an appropriate basket to be unloaded from the conveyer. The mirror-carrying shaft is adapted to be struck by the machine 5 when the latter has filled the basket, and by the machine 10 when the latter has unloaded the basket. This alters the angle of the mirror and prevents the machine 5 taking a full basket, or the machine 10 an empty one. Each basket 6 also has strikers (not shown) adapted to be engaged by lugs on conveyers at the unloading centre 3 between the conveyer 7 and the unloading machines 10. The position of the strikers is arranged in relation to the position of the lugs on the conveyers in such a way that all the baskets carrying cigarettes of a given brand are picked up by a selected one of four conveyers feeding four respective unloading machines 10. The baskets 6 may be transferred to and from the conveyer 7 as described in Specification 1,214,994. In a modification (Fig. 2, not shown) each unloading machine (10) supplies a respective packing machine (12).
Patent GB-631592-A (GB)
Title: Improvements in or relating to acrylamide and method of producing same
IPC: C07C231/06
Filed: 1946-09-25
Abstract: Acrylamide is produced by treating acrylanitrile with sulphuric acid and water, neutralizing the resulting reaction mixture and recovering acrylamide therefrom.  The reaction mixture is preferably maintained at 20 DEG  to 150 DEG  C. and the reaction may be effected by treating the nitrile with dilute sulphuric acid or by treating it with concentrated sulphuric acid followed by the addition of water. The first step of the process may be operated continuously by adding to the warm reaction mixture a cold mixture of acrylonitrile, sulphuric acid and water at substantially the same rate as that at which the reaction mixture is withdrawn.  The reaction mixture may be neutralized, e.g. with ammonia, ammonium carbonate, alkali metal and alkaline earth metal hydroxides and carbonates and the acrylamide may then be recovered by solvent extraction using acetone, ether or a low molecular weight alcohol such as methanol or isopropanol.  An antipolymerizing agent comprising copper, iron or stainless steel is preferably included in the reaction mixture.  In examples: (1), (3) and (4), acrylonitrile is added dropwise to 84.5 per cent and 87.5 per cent sulphuric acid respectively containing copper powder, and the mixture heated to 100 DEG  C., then poured into cold isopropanol and ammonia passed in until alkaline.  The mixture is filtered and acrylamide obtained from the filtrate; (3) acrylonitrile is added to 97.5 per cent sulphuric acid and the mixture cooled.  After standing overnight water is added with ice cooling.  After neutralizing with aqueous sodium carbonate the acrylamide is recovered by adding acetone and filtering; (4) reaction is effected as in (1), the mixture being then neutralized with an aqueous suspension of calcium carbonate, filtered, and evaporated to dryness, yielding acrylamide with a trace of acrylic acid.
Patent GB-872671-A (GB)
Title: Improvements in or relating to processes and apparatus for detecting halogen-containing compounds present in gases
IPC: G01N21/72
Filed: 1959-08-21
Abstract: <PICT:0872671/III/1> In a modified Beilstein-test apparatus a member 1 of copper is hung within the upper end 2 of the tube of a burner 3. The burner 3 is heated by an electrical device 5 and a combustible gas is introduced via the lower end 6 of the T-piece while air, or another gas, to be analysed is introduced via a branch tube 7. The upuper end 2 and a flame 8 produced at that end are located in a relatively wide glass cylinder 9 which is insulated from the burner tube by way of heat insulating material 20, and which, a short distance above the insulation 20, is formed with a laterally projecting tube 10 for the introduction of an additional supply of air.  To prevent combustion by catalysis additional air can be supplied along the outside of the upper end 2 by way of the tube 10. The air supplied for maintaining the temperature of the copper is advantageously caused to pass, about the flame 8, in a cylindrical form of flow below an undesirable value coaxial with the end 2.  The additional air also serves to keep the flame 8 more stable whilst the flame is being observed or measured.  In another Figure (not shown) the copper is heated by another lower flame.
Patent GB-1380036-A (GB)
Title: Methods and apparatus for the accuracy of doppler velocity measurement  over the sea
IPC: G01S13/60
Filed: 1973-06-18
Abstract: 1380036 Radar SINGER CO 18 June 1973 28783/73 Heading H4D In the determination of ground speed and/or drift of an aircraft by Doppler radar it is known that errors arise due to the changing state of the sea; the applicants have discovered that if two values of a radar parameter (e.g. carrier frequency, polarization, "look" angle), are utilized it is possible to determine true ground speed and/or drift from those magnitudes measured with the two values of the radar parameter. It is stated that an observed ground speed V 0  differs from the true speed V by a factor E proportional to speed and termed "over water shift" and by an increment speed S due to the wind-driven component of water motion, i.e. V 0  = V(1 + E) + S and for a second radar parameter V 0 <SP>1</SP> = V(1 + E<SP>1</SP>) + S<SP>1</SP>. It has been found that S/S<SP>1</SP> = a constant, R; E and E<SP>1</SP> can be determined experimentally or calculated for a given sea state and a particular Doppler apparatus. Thus true speed V can be computed as a quoted function of V 0 , V 0 <SP>1</SP>, R, E and E<SP>1</SP>. True drift angle can be derived similarly. An analogue computing circuit is described for performing the necessary computation. The apparatus incorporates deactivation of the corrections when flying over land: whenever (V 0 #V 0 <SP>1</SP>) exceeds a small magnitude (thus indicating flight over water), a threshold detector cuts out part of the analogue computation.
Patent GB-694800-A (GB)
Title: Improvements in or relating to fittings for electric lamps
Inventor: GREEN SAM
IPC: F21V23/00
Filed: 1950-11-24
Abstract: 694,800. Lighting fittings. SMART & BROWN (ENGINEERS), Ltd. Nov. 26, 1951 [Nov. 24. 1950], No. 28794/50. Class 75(iv) In a lighting fitting comprising an elongated lamp supported parallel to a. trough 1 mounted with its open sides against a ceiling, a supporting plate 4 is secured to an end of the trough and carries both a lampholder 2 and a decorative hollow cover 3 for the end of the trough. The supporting plate is disposed in a plane tranverse to the trough and comprises two parts, an upper part 4a which fits inside the trough with its edges abutting the walls thereof and with lugs 4c at these edges engaged in slits 1b in the trough, and a lower part 4b which extends . downwardly-through a slit 1a in the trough to the outside thereof. The hollow cover 3 is made of moulded synthetic resin; it is at least partly open at the top where it abuts the ceiling and its side facing towards the other end of the lamp is partlyclosed by a vertical wall 3a having a Y- shaped cut-out providing edges 3b which abut the outside of the trough. The vertical wall 3a overlaps the lower part 4b of the supporting plate on the side facing the other end of 'the lamp and is secured there-- to by screws 5. The lampholder 2 is secured by screws 6 to the lower part 4b of the supporting plate with its major portion within the end cover and its socket portion 2b projecting through an aperture in the supporting plate and through the lower part of the Y cut-out in the wall 3a of the cover. The upper part 4a of the supporting plate is bent over parallel to the ceiling to provide a plat-- form 4d on which a starter switch 7 is mounted with its push button projecting through a hole in the bottom of the trough. In a modified construction the edge .of the supporting plate is formed to fit against the outside of the trough and has two lugs which pass through slots in the trough. To engage the lugs in the slots the sides of the trough are pressed towards each other and then permitted to spring back. An upward extension of the plate passes through a slot in the bottom of the trough into the interior and secured to this extension is a separate switch-supporting bracket which also carries a cross-piece preventing inadvertent inward pressing of the sides of the trough. In this modified construction two lampholders are secured to the supporting plate. A supporting plate with a lampholder and an end cover is secured to each end of the trough.
Patent GB-622492-A (GB)
Title: Improvements in cathode-ray tubes producing directed directed beams of electrons
IPC: H01J29/82
Filed: 1946-09-26
Abstract: 622,492. Cathode-ray tubes. PHILIPS LAMPS, Ltd. Sept. 26, 1946, No. 28808. Convention date, April 21, 1943. [Class 39 (i)] The electrode system of a cathode-ray tube is built up in two separate units I and II which are interconnected by flexible rods 1 so as to permit a limited degree of mutual adjustment. As shown, unit II comprises control electrode 2, collimating electrode 3 and accelerating electrode 4. Unit I comprises beam-stop 5 and two pairs of deflecting plates 9, 10. Unit I is assembled by means of a suitable jig, and unit II assembled and added to unit I by means of another jig. When the two units have been mutually adjusted, the connecting rods 1 are cemented into the support rods 7. The electrodes are mounted on plates 6 which are attached by tagged collars 8 to the said support rods. Stop 5 and electrode 4 are at the same potential, so that the electron optics of the system are unaffected by any adjustment. The stop of the collimating electrode 3 may be separate from the cylindrical part thereof, the plane of separation between units I and II then extending between these two members, which are at the. same potential. The invention may be applied to cathode-ray tubes having more than one beam or electrode system.
Patent GB-883366-A (GB)
Title: Apparatus for conditioning a fibrous web
IPC: A24D3/02
Filed: 1959-08-25
Abstract: 883,366. Tobacco-smoke filter rods. KIMBERLEY-CLARK CORPORATION. Aug. 25, 1959 [Dec. 19, 1958], No. 28951/59. Class 130. [Also in Group VIII] A web 10, prior to formation into a filter rod, is passed through corrugating rollers 11 having co-operating ridges 16 and valleys 19, each ridge having sharp edges 18 which co-operate with concave surfaces in the valleys 19 to produce irregular tears in the web. The web is preferably of thin cellulosic crepe tissue and, after passing through the rollers 10, is passed around a roller 13 with oppositely directed spiral grooves thereon which initiate lateral compacting of the web into a rod-like formation. Specification 869,259 is referred to.
Patent GB-159024-A (GB)
Title: Improvements in or relating to carriers for use upon cycles and the like
IPC: B62J7/00
Filed: 1919-11-21
Abstract: 159,024. Thornton, E. A. Nov. 21, 1919. Luggage carriers. -The strut 4 of a cycle carrier is revolubly mounted in a channel formed in a plate provided with perforations 3 and with ears 2 of plane or angle form, by which it can be riveted or otherwise secured under the carrier.
Patent GB-1206393-A (GB)
Title: Improvements in and relating to face seals
Inventor: METCALFE KENNETH
IPC: F16J15/36
Filed: 1966-10-11
Abstract: 1,206,393. Rotary shaft seals. PIONEER OILSEALING & MOULDING CO. Ltd. 5 Oct., 1967 [11 Oct., 1966; 23 June, 1967], Nos. 45281/66 and 28987/67. Heading F2B. A face type seal for a rotary shaft, e.g. a pump shaft 44, comprises an elastomeric annular body 10 for sealingly engaging the shaft housing and reinforced by a metal or other rigid insert 24, a carrier member 14 integral with and coaxially extending from the body 10, and a sealing member 26 carried by the member 14 and having opposed axial end faces of substantially equal area, whereby, in use, the seal is pressure balanced. The member 26 has a sealing face 30 which is urged against the pump impeller hub 48 by a spring 22 housed in the channel-sector insert 24. The outer axial wall 18 and a radial flange 12 of the body 10 engage an annular flange 50 of the pump housing 42 and rotation of the sealing member 26 is prevented by grooves 33 thereon being engaged by projections 40 on the body 10. The member 26 may be of nylon, p.t.f.e., graphite or bronze and the body 10 may be of natural or synthetic rubber. In a modification, Fig. 5, foreign matter is excluded from the sealing faces by a shroud 146 secured to the sealing member 124 and extending axially beyond the sealing faces.
Patent GB-862949-A (GB)
Title: Improvements in ignition systems
IPC: F02P15/00
Filed: 1959-08-25
Abstract: 862,949. Ignition systems. GENERAL MOTORS CORPORATION. Aug. 25, 1959 [Sept. 12,1958], No. 29027/59. Class 7(4). An ignition system suitable for gas turbines has a condenser 116 which is chargeable by rectified alternating current and is dischargeable across a surface-discharge spark discharge device 118 which is under the control 'of a triode tube 110, the cathode and plate circuit of which tube is connected to the condenser, while the grid is connected to rectified alternating-current through an R-C network 104, 108, the arrangement and electrical characteristics of the components of the system being such that the tube becomes conductive at the same time that the condenser becomes charged to a sufficient potential to cause a spark discharge across the device. As shown the grid derives its potential from a winding 96. The cathode and plate circuit of the triode tube is connected to an R-C network which is formed by a condenser and a resistor and has the same time constant as the other R-C network. The system ensures that the voltage appearing across the sparking plug 118 will always reach the same value at the time that the grid voltage of the tube 110 is of sufficient value to fire the tube. The source of alternating current comprises a battery 10 and vibrator 16 associated with the transformer 52. The triode tube is a thyratron tube.
Patent GB-210154-A (GB)
Title: Improvements relating to portland cement compositions
IPC: C04B7/00
Filed: 1922-10-25
Abstract: 210,154. Roberts, W. L. H. Oct. 25, 1922. Cements, Portland, treating after manufacture. -Marl or chalk is calcined at 2300‹ F., and the resulting clinker is passed through water, stored until it falls to powder, and mixed with Portland cement either before or after the final grinding of the latter. The composition may contain 10-30 per cent of the hydrated lime. Specification 210,153, [Class 1 (iii), Oxides &c., Metallic], is referred to.
Patent GB-1187399-A (GB)
Title: A Process for the Simultaneous Mechanical and Vibratory Treatment of Substances or Mixtures of Substances
Inventor: WILLEMS PETER
IPC: B02C19/18
Filed: 1967-06-23
Abstract: 1,187,399. Mixing by sonic vibrators; comminuting apparatus. P. WILLEMS [trading as PHYSIK.-CHEM. FORSCHUNGS-INSTITUT PROF. WILLEMS]. 23 June, 1967 [25 June, 1966], No. 29079/67. Headings B1C and B2A. In a process for simultaneous mechanical and vibrational homogenization, emulsification, comminution or dispersion the treated substance is coarsely homogenized in a first working stage, subjected to sudden expansion and further treated in at least one additional working stage, both stages taking place in a single housing. One form of apparatus has a first stage 1 comprising rotors 1a, 1b and a second stage 2 comprising rotors 2a, 2c and 2b, 2d, separated by an expansion gap Tr. Material enters past rotary blades 3 having cutting edges 4, is accelerated in rotor chambers la', crosses working gap A (where it is subjected to shearing and, if desired, cavitational forces) and enters working chambers 1b' where it is subjected to tangential and radial vibratory treatment. The second stage has accelerating chambers 2a', three sets of working chambers 2b', 2c', 2d' and three working gaps A 2 , A 2 ' and A 2 ". The volume of the working chambers decreases and their number increases towards the periphery of the apparatus whereby the vibration frequencies increase. The space Tr is 2 mm. or more, the working gap in the first stage 0.5-2 mm. and in the second stage 0.5-0.1 mm., becoming progressively smaller. The width of the members la, 2a is desirably not less than that of the associated working chambers and not greater than the width of such chambers plus that of its bounding members. The rotors may be driven in the same or opposite directions. In modifications there may be shut tangential vanes in the working chambers; the working gaps may be inclined to the axis of rotation, instead of extending parallel thereto, or may be curved; the members bounding the working chambers may also be inclined to the axis of rotation or may be curved; the last of the series of working chambers may be formed so that the outflow is tangential or inclined instead of radial; an additional centrifugal pumping ring may be provided to assist discharge; back-pressure may be created by throttling discharge manually or automatically to control residence time; inflow may be metered or regulated by pump, valve or other means.