baber/WOPTO huggingface dataset:
Patent GB-1006329-A (GB)
Title: Hose end fitting
IPC: F16L33/207
Filed: 1962-08-08
Abstract: 1,006,329. Pipe couplings. RESISTOFLEX CORPORATION. Aug. 8, 1962 [Aug. 23, 1961], No. 30387/62. Heading F2G. An end-fitting for a hose with a non-metallic lining comprises an annular chamber for receiving the end of the hose with an annular compartment therein of greater depth than width and having complementary stepped portions on its opposing walls to engage the radially inner and outer walls of the lining which only is received into said compartment. The annular chamber is formed between the ribbed interior 43 of a socket 12 and the ribbed exterior part 18 of a nipple which fits snugly into the hose. Longitudinal slots 28 are cut across the ribs on the part 18. The annular compartment lies between steps 22, 23 extending inwards from the end of a knurled conical part 21 of the nipples 10 and steps 32, 34 extending outwards from the bore 30 of a body 11. The body 11 screws onto the nipple at 31 and into the socket at 44. It carries a female coupling nut (not shown) at 41 of Fig. 1 or a male screw thread as at 87 of Fig. 8. For assembly onto a hose with a P.T.F.E. lever 14 and braided wire sheath 15 the socket 12 is first slid onto the square-cut end of the hose and out of the way. The nipple 10 is then inserted into the liner until the hose-end passes over the step 22 and abuts a shoulder 27. The outside of the hose is then clamped exteriorly to cause the liner 14 to flow into the ribs 19, 20 along the part 18 of the nipple. The body 11 is then screwed on to the thread 31 until stopped by a shoulder 27 on the nipple, thus causing the end 29 of the body to enter between the branch 15 and the lining 14. Finally the sheath 12 is brought up and screwed on to the body 10, to trap the hose-sheath at 45 and is deformed by external pressure (Fig. 3, not shown) until the interior ribs at 43 are pressed into the outside of the lever 14. The relative dimensions of the steps 22, 23, 32, 34 are related to the dimensions of the lever in such a way that a seal is obtained on the lever during the lost stages of screwing the body on to the nipple. An alternative form of compartment is shown in Fig. 7. An end fitting suitable for use with a hose of polyvinyl alcohol 88 reinforced with layers of rubber and fabric 89 is shown in Fig. 8. In this form the stepped chamber 91-93 is flared outward instead of inwards and the sheath 86 has no internal ribs. An embodiment similar to that in Fig. 1, but re-useable, is illustrated in Fig. 6 (not shown). In this the ribs at 43 and at 19 are omitted and the part 18 is shortened. No external pressure, of course, is used when fitting this latter embodiment on to the liner. Specification 826,220 is referred to.
Patent GB-282638-A (GB)
Title: Process and apparatus for cooling glass plates or sheets
IPC: C03B25/02
Filed: 1927-11-12
Abstract: 282,638. Brancart, Y. Dec. 21, 1926, [Convention date]. Rolling.-A process for cooling equally the two sides of a sheet or plate of glass, after it has been formed, consists in introducing between the glass and its support a cushion of gas to insulate the underside of the glass from the support. The layer of gas prevents the underside of the plate from cooling more rapidly than the upper side and thus prevents the uneven contraction of the plate that causes it to buckle. The glass plate 1. Fig. 1, immediately it has been cast and rolled, and while it is still plastic, is caused to slide from the casting-table 2 on to a table or support made up of slats or bars 3. Air is blown through the openings between the bars, by a fan 4 or other form of blower, and forms a cushion between the bars and the plate. The glass is moved constantly by tongs 5, or by other means, to prevent it from sagging into the spaces between the bars. Straight or curved bars may be used and, instead of being fixed, they may be mounted on an endless belt which is driven by any suitable means to keep the bars moving beneath the glass. When making wide plates, the endless belt may be divided into several bands, and adjacent bands are moved in opposite directions so as to enable the plate to be kept motionless without introducing strains into the glass. Instead of the endless belt, a revolving slotted or perforated table may be used and it may be employed also to carry the plates from the casting-table to the leer.
Patent GB-909764-A (GB)
Title: Fluid-pressure-operated motors
Inventor: JONES GWYLLAM AUSTIN
IPC: F15B15/14
Filed: 1960-09-05
Abstract: 909,764. Hydraulic apparatus. DOWTY ROTOL Ltd. Aug.25, 1961 [Sept. 5, 1960], No. 30593/60. Class 69 (2). [Also in Group XXXI] A fluid-pressure operated motor which may be used for effecting steering of an aircraft nosewheel comprises a first cylinder 12, a second cylinder 18 having at least a part reciprocable in the first cylinder, a piston 20 reciprocable in the second cylinder and having a rod 21 passing through an end wall 15 of the first cylinder, and means 30, 33, 35 for supplying fluid underpressure to chambers 29, 31, 34 formed by the piston and cylinders. The piston rod 21 may be provided with means 27 for connection to the aircraft nosewheel and has a bore 30 which leads to the chamber 29 formed by the piston 20 in the second cylinder 18 and is connected to a passage 35 in a spigot 28 for mounting the motor on a fixed member, the passage 35 also leading to the chamber 34 formed by a piston 17 on the second cylinder and an end wall 13 of the first cylinder. A second passage 33 in the spigot leads to the chamber 31 formed by the end wall 15, the piston 20, and the first and second cylinders 12, 18. The second cylinder has a stop ring 22 which limits the movement of the piston 20 to the left. In operation, when fluid pressure is supplied by a valve to both passages 33, 35 and hence to all three chambers, the second cylinder moves to the right until the piston 17 abuts the end wall 13 and the piston 20 moves to the left and abuts the stop ring 22 so that the connection 27 is then in a central position corresponding to a straight ahead steering position of the nosewheel. When the passage 33 connected to chambers 29 and 34 is connected to exhaust, the pressure in chamber 31 moves the piston 20 and connection 27 to the right, and when chamber 31 is connected to exhaust, the cylinder 18 moves until the piston 17 abuts the end wall 15 to move the connection to the left. In an alternative embodiment, the second cylinder is housed completely within the first.
Patent GB-826163-A (GB)
Title: Batting
IPC: D04H1/06
Filed: 1956-10-08
Abstract: A batting of cellulose staple fibres is made by treating a batting of interlocked staple fibres of an organic acid ester of cellulose with a saponifying agent.  The cellulose ester staple fibres used are preferably crimped, 1-6 inches long, and of 1-30 denier. Interlocking may be effected mechanically, by needling, or chemically, by applying either bonding agents (e.g. butadiene polymers and copolymers, melamine- and urea-formaldehyde resins, or styrene copolymers) or cellulose ester solvents or plasticizers (e.g. acetone or methylene chloride), so as to cause the fibres to coalesce at their points of contact.  Application of heat and/or pressure to the batting may be used additionally to chemical interlocking methods, or as an alternative thereto. Saponification may be carried out by batch or continuous methods, and specified saponifying agents include aqueous or alcoholic sodium or potassium hydroxide.  The batting is finally washed and dried, yielding a cellulose batting of enhanced density and tensile strength.  Cellulose esters which may be used in the process include the acetate, propionate, butyrate, acetate-propionate and acetate-butyrate.  The ester batting may also contain a proportion of other fibres, e.g. cotton, rayon or glass.
Patent GB-1531659-A (GB)
Title: Apparatus for disintegration of urinary concretions
IPC: A61B17/225
Filed: 1977-07-21
Abstract: 1531659 Catheters B S GEKHMAN P N VASILEVSKY J G EDINY I V PARFINENKO and A M PODGURSKY 21 July 1977 30627/77 Heading A5R A catheter 1 for supplying liquid to a body cavity has an annular lip 9 at its forward end for preventing the escape into the cavity of operating elements combined with the catheter. The lip has passages 11 for the passage of liquid when the operating element is located in the catheter. The operating elements may be a milling cutter (13) coupled to an ultrasonic transducer or concentric spark discharge electrodes coupled to a pulse generator and may be operated alternately to disintegrate urinary concretions, which are then withdrawn with liquid through the catheter. The device may be passed into the cavity using a cystoscope.
Patent GB-886757-A (GB)
Title: Improvements in or relating to electro-mechanical transducers
Inventor: YOUNG ARTHUR CHARLES
IPC: H04R9/02
Filed: 1959-09-08
Abstract: 886,757. Loud - speakers ; microphones. ROLA CELESTION Ltd. Sept. 8, 1960 [Sept. 8, 1959], No. 30648/59. Class 40 (4). In a moving-coil loud-speaker or microphone in which, as described in Specification 809,481, the front plate 10 has an integral lug 13 bent into a U-shape to provide a rear-plate 15 having an aperture 16 which forms the outer pole surface of the flux gap, a cap-like polepiece 28 is secured to a non-magnetic bridge member 26 so as to be disposed in the aperture 16. The polepiece 28 has a forwardly-directed peripheral flange 29 into which the rear end of the permanent magnet 17 fits, the forward end of the permanent magnet 17 being seated upon the rear surface of the front plate 10. The polepiece 28 is secured to the bridge member 26 by spigot 27, and the bridge member to the rear plate 15 by three clamping screws 24, accurate positioning being ensured by dowel-pins 25. Specification 885,991 also is referred to.
Patent GB-1175550-A (GB)
Title: Mechanical Oscillator having a Torsion Bar as an Elastic Member
IPC: B06B1/02
Filed: 1967-07-04
Abstract: 1,175,550. Reciprocating motors. INSTITUT DR. ING. REINARD STRAUMANN AG. 4 July, 1967 [26 Sept., 1966], No. 30839/67. Heading H2A. [Also in Divisions G3 and H3] A mechanical oscillator comprises a torsion bar 1 provided at each end with an inertia mass 2, 3 the moments of inertia of which when taken about the longitudinal axis of the torsion bar are equal. The centre of gravity of each mass lies on the axis of the torsion bar and the torsion bar is fastenable at the node of its oscillatory movement by lugs 6, 7. Magnets 4, 5 form parts of transducers for maintaining the oscillations of the inertia masses, the oscillations on one side of the node being transmitted to the other side so that both sides oscillate equally and oppositely. Any number of transducers from one to four may be used for maintaining the oscillations electromagnetically, electrodynamically or electrostatically. The oscillator may be used to directly drive a ratchet wheel or it may be used as an electromechanical filter.
Patent GB-867207-A (GB)
Title: The production of polarising elements incorporating glass flakes
IPC: G02B5/30
Filed: 1957-07-01
Abstract: 867,207. Light polarisers. OWENSCORNING FIBERGLAS CORPORATION. July 1, 1957 [July 9, 1956], No. 30899/60. Divided out of 867,206. Class 97(1) A light polarizing sheet comprises a glass flake-synthetic resin mixture containing at least five per cent by weight of resin in respect of the total weight of the mixture, the refractive index of the glass flakes being higher than that of the resin by at least 0-2 and the glass flakes being disposed in the resin so that they lie substantially parallel to the major surfaces of the sheet. The refractive index of the glass flakes is preferably above 1 ' 7. The resin may be polyvinyl acetate, polyvinyl pyrrolidone, polymethylmethacrylate, polystyrene or a polyester. The polarizing sheet may be formed by casting a suspension of the resin, a solvent or dispersing agent therefore, and glass flakes on to a foraminous base, allowing excess resin and solvent or dispersing agent to drain through the base and then allowing the resin to harden.
Patent GB-473512-A (GB)
Title: Improvements relating to electric amplifiers
IPC: H03G7/02
Filed: 1936-11-12
Abstract: 473,512. Automatic volume control. NUMANS, J. J. Nov. 12, 1936, No. 30961. Convention date, Nov. 13, 1935. [Class 40 (iv)] [Also in Group XL] The gain of an amplifier is controlled by varying the magnetization of an iron-cored coupling impedance. In one embodiment, for automatic control, a potential divider feeding an amplifier 1 comprises a fixed impedance 7 and a variable impedance 8 which comprises two coils W1, W2 on an iron core which also carries auxiliary coils G1, G2. The coil G1 carries a direct current derived from the amplifier output through transformer 9, rectifier 10 and filter 11, 12, 13, while the coil G2 carries a manually variable current from a D.C. source 14. Volume expansion or contraction may be produced by causing the coil G1 to oppose or assist the coil G2, and the invention is applicable to carrier or audio frequency amplifiers. The impedance of the coil 7 may also be regulated and, if desired, the ranges of regulation of the coils 7, 8 may be different. In a modification, Fig. 2 (not shown), the potential divider is in the output and the rectifier in the input circuit.
Patent GB-764912-A (GB)
Title: Improvements in the cold-setting of diamonds in holders
IPC: B23P5/00
Filed: 1953-11-10
Abstract: 764,912. Diamond tools. CORONEL, H. S. Oct. 11, 1954 [Nov. 10, 1953], No. 31039/53. Class 124 A method of cold setting a diamond in a holder comprises maintaining the diamond in position by the application of pressure to a powder surrounding the diamond. As shown, a diamond A is placed in a square hole J in one end of a cap B having a screw thread at its other end. A powder G, e.g. sand or a powdered metal, is then poured into the cap to surround and cover the diamond and a concave disc C placed over the powder. A shank E is then screwed into the cap to apply pressure to the powder and hold the diamond in position. A washer D may be placed between the disc C and the shank to prevent the powder entering the threads and a lock-nut F may be used to prevent slackening of the cap.
Patent GB-718767-A (GB)
Title: Improvements in and relating to copying lathes or other machine tools
IPC: B23Q35/18
Filed: 1952-12-08
Abstract: 718,767. Fluid-pressure servomotor-control systems. SEVICK, M. Dec. 8, 1952, No. 31094/52. Class 135. [Also in Group XXII] In a hydraulically-operated machine tool, the stylus 4 controls the supply and return of fluid to and from opposite faces of a servo piston 16 and the movement of the servo piston, magnified by a ratio of the order of 10:1 by means of a lever 21, controls a main control valve 23 which in turn controls the supply and return of fluid to and from opposite faces of a stationary piston 30 so that an arm 1 carrying the stylus and the cutting tool 2 is raised and lowered to reproduce the pattern b on the work-piece a. The valve 23 and the valve stem 5 controlled by the stylus are arranged to permit a restricted flow to both sides of both pistons when the valves are in neutral position in order to hold the tool in operative position. The supply ports 17 and 23a are connected by a conduit C and the return ports 17a and 23b and 17b and 23c are connected by conduits E and E<SP>1</SP>. A fine axial bore such as 16a, is provided in one or both of the pistons 16 and 30 to permit a slight leak across the piston and prevent hunting. The stylus is vertically adjustable by nuts 36 and the loading applied to it by a spring 18a is adjustable by a nut 18b. An eccentric operated by a hand lever 35 is provided for .moving the stylus to raise or lower the arm 1.
Patent GB-203237-A (GB)
Title: Improvements in valves for internal combustion engines
IPC: F01L1/28
Filed: 1922-11-15
Abstract: 203,237. Knight & Hale, Ltd., J., and Whitaker, J. E. Nov. 15, 1922. Valves; valve gear.-In combined fuel and air valves of the type comprising coaxial poppet valves opening in opposite directions, the two valves are arranged to be controlled by a single spring. The spring c bears at one end against a nut on the stem b of the air valve B, and at the other end against a nut a' on the hollow stem a of the fuel valve A. The valves are actuated by a cam D, tappet-rod E, and levers F, K connected together by a link H, fuel entering at c', and air at c<2>. Regulating.-The lever K is arranged to engage a hit-and-miss detent. L on a governor-controlled arm l. When the lever K engages the detent L, the latter acts as a fulcrum about which the lever moves so as to open the valve A. When, however, the detent is moved by the governor so as to miss the lever, the lever merely swings about its pivotal connection to the stem a without opening the valve. Adjustment is provided by the nut a' and set-screw f'.
Patent GB-585907-A (GB)
Title: Improvements in or relating to methods and apparatus for reducing the effect of interference in the observation of recurrent oscillatory signals
IPC: G01S7/292
Filed: 1939-12-01
Abstract: 585,907. Wireless signalling. BLUMLEIN, A. D., and WHITE, E. L. C. Dec. 1; 1939, No. 31241. [Class 40 (v)] A train of signals having a repeated wave form is freed from random interference which may extend over a wider frequency-band than the desired signal by a process which comprises feeding the desired signals during spaced timeintervals coinciding with the same portion of the signal train or envelope and integrating these elements over a period of time sufficient to ensure a favourable ratio of signal to interference. The invention may be applied to the detection of an aeroplane by analysing the reflected waves from short "bursts" of transmitted energy as described in Specification 581,920. The transmitted signals may be slowly varied over a predetermined range either of phase or frequency in order to minimise the effect of interference of constant frequency. Or a frequency change may be applied to' the received signals in order to balance or offset the apparent change of frequency in the reflected waves due to the Doppler effect. As shown, the transmitter 1 radiates pulses of short-wave signals under the control of a master pulse-generator 6 and a carrier source 11. Signals reflected back from the aeroplane are picked up by an aerial 2 and are fed to a superhet receiver of which the stage 4a is normally blocked until impulsed, as described in Specification 585,906. The unblocking impulse is applied from a multivibrator 5 controlled from the master pulsegenerator 6 through an adjustable phasing- device 7. The output from the pulsed. stages is heterodyned in one or more stages to a frequency of 20 kilocycles in one or more mixers 8 and then passed to a circuit 9 having a band width of Œ200 cycles. As shown the local oscillation is supplied from a mixer 10 fed from the carrier source 11 and from a stable oscillator 12 generating the desired intermediate frequency. The circuit 9 in effect integrates the successive bursts or pulses, after reflection from the aeroplane the amplitude of the built-up oscillations being proportional to the number of oscillations received, though any interference present is attenuated. Means are provided for offsetting any D÷ppler effect on the frequency due to the approach or recession of the aeroplane ; and also for preventing effects due to frequency " drift " in the oscillator stages.
Patent GB-1432207-A (GB)
Title: Medical apparatus with a hydraulically mobile frame for a patients support
IPC: A61G13/02
Filed: 1973-06-29
Abstract: 1432207 Operating tables SIEMENS AG 29 June 1973 [3 July 1972] 31249/73 Heading A4J In a medical operating table having a support 5 adjustable relative to a base I by hydraulic jacks 8, 13, 18, a system for automatically finding a predetermined position of the support comprises two pairs of positioning valves 64, 65 and 66, 67 associated with the inputs of two actuating valves 43, 44 associated with two of the jacks 13, 18 respectively. The positioning valves being arranged to be deactuated in the predetermined position of the support by cams 68 to 71 arranged on the support.
Patent GB-217878-A (GB)
IPC: H02M7/10
Filed: 1923-12-12
Abstract: 217,878. Reiniger, Gebbert, & Schall Akt.-Ges. June 20, 1923, [Convention date]. R÷ntgen-ray and like apparatus is supplied with unidirectional current from condensers through electric valve devices in series with spark gaps. In the arrangement shown, the tube a is supplied from a bridge connection with condensers b in two arms of the bridge, while each of the remaining arms of the bridge contains a spark gap d and a valve device, which may be in the form of a rotary switch. The high-tension transformer winding e, or other source of current, may be placed in one of the diagonals of the bridge, or two transformers may be used, the high-tension windings of which are placed one in each of the bridge arms containing the spark gaps. The electrical resistance to the charging of the condensers may be reduced by making the spark gaps with point and plate terminals so that they act as valves. Resistances g may be inserted on each side of the spark gaps.
Patent GB-751090-A (GB)
Title: Improvements in or relating to pipelines
Inventor: FORSYTH GEORGE HOWARD
IPC: F16L59/06
Filed: 1954-10-29
Abstract: 751,090. Pipe joints; metal pipes. VICKERSARMSTRONGS (ENGINEERS), Ltd. March 8, 1955 [Oct. 29, 1954], No. 31322/54. Classes 99(1) and 99(2). A pipeline for transmitting high temperature, high pressure gaseous fluid comprises a core pipe within an outside pipe 2, the core pipe-including an inner pipe 3 spaced from an outer pipe 4 by partitions 6 which divide up the annular space therebetween into a number of smaller spaces 7 vented by holes 8 either to the annular space 5 between the core pipe 1 and outside pipe 2, which receives a fluid for pressurising the outside of the core pipe, or to the interior of the inner pipe 3 through which is conveyed the high temperature, high pressure fluid. The pipe line may be used in a steam installation employing superheated steam, e.g. at a temperature of 900‹F. and pressure of 700 lbs. per square inch, which is conveyed through the inner pipe 3, low temperature or saturated steam at approximately the same pressure as the high tempeature steam being conveyed through the space 5 between the core pipe 1 and outside pipe 2. As shown the spaces 7 are vented to the space 5 so that the inner pipe 3 is subjected to approximately the same pressure on both sides. The flow of steam through the space 5 is regulated to maintain the temperature of the outer pipe 4 approximately equal to that of the temperature of the steam in the space 5. At a junction in the pipeline flanges 9 on the outside pipe 2 are bolted together with a seal 11 therebetween and a hoop 6<SP>1</SP> is fitted to bridge the gap between the ends of the pipes 3, 4, and to close the ends of the annular space therebetween. In a modified joint, Fig. 2, the end of one outer pipe 4B is fitted into the swaged end 12 of the adjacent pipe 4A to form an expansion joint, an expansion gap 13 being left between the ends of the inner pipe lengths 3A, 3B.