baber/WOPTO huggingface dataset:
Patent GB-924333-A (GB)
Title: Annular transition duct for a gas turbine jet propulsion engine
IPC: F23R3/60
Filed: 1961-07-14
Abstract: 924,333. Generating combustion products under pressure. UNITED AIRCRAFT CORPORATION. July 14, 1961 [July 22, 1960], No. 25564/61. C ass 51 (1). [Also in Group XXVI] A gas-turbine engine has a transition section formed by walls defining an annular passage throughout its length and an annular diaphragm joining the turbine section to at least one flame tube contained in an annular combustion chamber. A plurality of cylindrical flame tubes 62 are contained in a combustion chamber formed by an inner annular wall 40 and an outer annular wall 26 which is detachably fastened to the compressor casing 22 and the turbine casing 38 so that it may be slid axially over the turbine casing. The flame tubes are supported at their forward ends by the fuel injection means 66 and at their rear ends by the sleeve 98 to which they are clamped by the ring 92. The sleeve 98 is attached to a ring-shaped diaphragm 100 which is supported at its outer edge by the casing 26 through connecting means 102 and at its inner edge by casing 34 which is carried by the stator vane shroud 44. The shroud 44 is supported by the stator vanes 36, outer shroud 46 and the turbine casing 38. The casing 34 also supports the casing 32 carrying the bearings 30 for the engine shaft 28 and the wall 106 which together with wall 108 forms the annular transition passage 110. The wall 108 is supported by the connecting means 102 and the outer shroud 46. In a modification, the flame tubes are slidably supported at their rear ends in the members 98 without the clamps 92. Specifications 765,021 and 777,672 are referred to.
Patent GB-462700-A (GB)
Title: Improvements in or relating to collapsible tubes or like container closures
IPC: B65D47/26
Filed: 1935-09-14
Abstract: 462,700. Closures for bottles and collapsable tubes. THORN, P. M. Sept. 14, 1935, No. 25582. [Class 125 (iii)] A closure for collapsable tubes &c. comprises a cap-member 19 which is rotatable relatively to the neck 11 of the tube 10 on a base portion 12, and an oscillatable shutter 27 which opens or closes aligned openings in the cap and base in relative rotation thereof. The invention is characterized in that the inner surface of the part 12 is raised to form a restricted contact surface against which the shutter abuts, and that the spacing between the cap and the base is such that a flat shutter is pressed against the raised surface. A cork &c. gasket may be included in the raised portion of the base. In a modification (Fig. 12), the closure is provided with a pouring spout 71 and an air inlet 73.
Patent GB-760758-A (GB)
Title: Method and apparatus for making conduits
IPC: B29C48/151
Filed: 1954-09-03
Abstract: <PICT:0760758/III/1> <PICT:0760758/III/2> A method of impregnating and lining a conduit having porous walls comprises clamping the conduit firmly in a sectional mould of resilient material, filling the conduit with a sluggishly flowable compound, sealing one end of the conduit and injectadditional compound into the conduit through a connection at the other end of the conduit, under pressure sufficient to force the compound through the porous walls and between engaged surfaces of the mould sections.  A conduit comprises a series of braided wire tubes, the ends of which are soldered together and into metal ferrules 18 which are in turn soldered in end members 11, 12 so as to abut flanges 20, 21.  The inner surface of the conduit is treated with a suitable primer, such as "Unochrome 219 PX" (registered Trade Mark) for a nickel tube.  The conduit is dried and cooled and clamped in a close fitting resilient sectional mold 30 which may comprise a neoprene compound such as Scinflex.  The mold and conduit are then clamped between a fixed side wall 31 and a movable side wall 32 to which air, fluid or mechanical pressure is applied.  A compound such a plastisol is introduced into the conduit by a fitting 33 having a gasket 34 pressed against the flange 20 to provide a seal.  A suitable compound comprises - ten parts by weight of polyvinylchloride such as "Geon 121" (Registered Trade Mark) four parts by weight of "Rohm and Hass Paraplex G-50" (Registered Trade Mark) two parts by weight of Paraplex G-60 and two parts by weight of a heat stabilizer consisting of a mixture of Paraplex G-50 and dibasic lead phthalate in equal parts, all components being mixed thoroughly preferably under vacuum.  When plastisol emerges from the end of the conduit it is sealed by a plug 35 and the plastisol is continued to be introduced until it emerges from between the mold sections 30.  The conduit is removed from the mold, and drained in a vertical position until the central aperture is large enough to receive an insulated conductor of the desired size.  The conduit is then baked in an oven at a temperature of 350 DEG  to 400 DEG F. for a short time until the plastisol is set to a weak gel.  The conduit is cooled and excess plastisol removed. The conduit is baked again at about the same temperature until the plastisol is thoroughly cured and set.  The conduit may be used as a flexible, non-porous conduit for radio shielding an electrical conductor.
Patent GB-1240427-A (GB)
Title: Improvements in or relating to the construction of plated-wire memory planes
Inventor: BRAGG THOMAS L
IPC: G11C11/04
Filed: 1970-05-28
Abstract: 1,240,427. Moulding plastics memory planes. HONEYWELL Inc. 28 May, 1970 [9 June, 1969], No. 25671/70. Heading B5A. [Also in Division H3] A method of constructing a carrier structure for a wire memory comprises forming a lamina support from plastics material with uniform parallel channels in one side of the support, placing a dummy wire lengthwise in each channel, filling with further plastics material the remaining spaces so as to encapsulate the wires and forming a flush surface at the one side of the support and then withdrawing the wires from the support. The support can be moulded in one piece to form channels on the one side and a flush surface on the other side. A thin layer of electrically conductive material 20, 25 is applied to the flush surface at each side of the support before the wires are withdrawn. The step of forming the support may comprise placing a sheet of plastics material 17 with a layer of conductive material 20 over parallel lands in a mould and extruding plastics 22 into the mould beneath sheet 17 to form the support. A further step of applying a sheet of plastics material 24 having a conductive layer 25 over the flush surface at the one side of the support and applying heat and pressure to the laminate thus formed may be included .In a further embodiment the conductive layers can be applied directly to the support structure, eliminating layers 17 and 24. The plastics material is polyimide. Layers 20, 25, which are preferably copper, may be etched. Plated wires can be placed in the structure to form the memory after removal of the dummy wires.
Patent GB-798774-A (GB)
Title: Improvements in or relating to exhaust systems for internal-combustion engines
IPC: F01N1/14
Filed: 1955-09-08
Abstract: 798,774. Silencers and ejectors for exhaust gases. FARTHING, V. H. March 12, 1956 [Sept. 8, 1955], No. 25706/55. Class 7(2) An accessory for incorporation in an exhaust system, e.g. for a motor vehicle, comprises a casing 10 providing a substantially unobstructed passage for the flow of gases from an inlet 11 to at least two outlets 12, 13, and at least one opening 14 for passage into the casing of external air. As shown in Fig. 1, the air inlet opening 14 is fitted with a convergent nozzle 15, the pipe 11 and nozzle respectively being in axial alignment with the pipes 12, 13. Air may be supplied to the casing by a blower or pump. A silencer comprising a casing packed with glass wool or exfoliated vermiculite surrounding a perforated pipe or pipes may be connected to the inlet pipe 11 and/or the outlet pipes 12, 13.
Patent GB-467716-A (GB)
Title: Improvements in and relating to stocking forms
IPC: D06F59/06
Filed: 1936-09-22
Abstract: 467,716. Drying stockings. JENSEN, C. A. (Trisco Products, Inc.) Sept. 22, 1936, No. 25728. [Class 34 (i)] A stocking form for retaining stockings in stretched position while they are drying comprises two longitudinal rods, one of which is bent transversely at the end remote from the toe and is frictionally engaged in a tubular wall of a fitting secured to the other rod, so as to be freely adjustable without positive securing means but merely by manual pressure on the rod. The stocking form is supported by means which engages the fitting. In the construction shown in Fig. 1, the rod 20 is secured to a fitting 27 which is formed with a tubular opening 28 adapted to receive the end 29 of the rod 21. The end 29 is held adjustably in place by friction. The toe pieces 23 comprises a hollow tube which fits adjustably on the projecting body portions 25, 26. The limbs of the toe piece may or may not require to be bent to engage the body portions. The fitting 27 has an eye for engaging a supporting hook 31. In a modification, the end 29 fits wholly within one end of a tubular fitting which at its other end receives the end of the rod 20. In a further modification shown in Fig. 5, the rods 20<2>, 212 are each in two parts united detachably by a ferrule and are adapted to be connected at the top by a fitting 32 of pressed metal. The metal is bent to the form shown in section in Fig. 6 and engages the ends of the rods as shown in Fig. 5. The fitting shown in Fig. 13 is adapted to support two stocking forms in inverted position, the longitudinal rods 20 being secured in a portion 27 of the fitting and the bent ends 29 of the remaining rods fitting in holes 28. The fitting is formed with a recess 38 and an aperture 40 whereby it may be held on the end 41 of a bracket arm 42, Fig. 15. This arm is held by a spring in position on a wall bracket 44.
Patent GB-1515990-A (GB)
Title: Brakes having brake shoes
IPC: B62L1/12
Filed: 1976-06-22
Abstract: 1515990 Brakes ANGENIEUX-CLD SA 22 June 1976 [11 July 1975] 25763/76 Heading F2E [Also in Division B7] At least one of the pivoted shoe-carrying arms of a wheel rim brake screw threadedly engages its pivot shaft. As shown in Fig. 3, both arms 1 and 2 of a side-pull cycle brake are threaded to the pivot shaft 13 which is in turn threaded into fixed bridge 8. Clearance is left between members 1, 2 and 8 to accommodate the axial movement of the arms which will occur when they are rotated. A shoulder 18 on the pivot shaft engages the base of a recess 17 in the bridge, a return spring 9 for the arms being located in the recess. In the embodiment of Fig. 4 only arm 1 is threaded to the pivot shaft, arm 2 being freely rotatable on a frusto-conical projection 20 of the bridge. Recess 17 and shoulder 18 may be omitted (Fig. 5, not shown) and part of the pivot shaft left unthreaded so as to limit the extent to which it can be screwed into the bridge. The bridge and pivot shaft may be integral (Fig. 6, not shown). The invention is applicable to centre pull brakes.
Patent GB-697772-A (GB)
Title: Improvements in or relating to electrically driven windshield wipers
IPC: B60S1/08
Filed: 1951-11-05
Abstract: 697,772. Control of D.C. motors; mechanical swjtches without quick-action. REDMOND CO., Inc. Nov. 5, 1951 [Nov. 3, 1950], No. 25793/51. Classes 38 (iii) and 38 (v) [Also in Group XXIII] In an electrical system for driving a windshield wiper means are provided for stopping the blades in a predetermined position. When a manually-operated rod 21 is in the upper position shown the driving motor, which has series field windings 6, 7, and armature 5, is energised through a thermally-operated switch 27 the striker element 26 of which engages a part 22a carried on the rod. To stop the motor, the rod 21 is pushed to its lower position wherein contacts 14, 15, are bridged by a conductor 22. Upon the blades reaching a predetermined position so that a motor-driven cam-operated switch 8 is closed, the armature 5 is short-circuited through the element 22, so stopping the motor and causing an increased current to flow through the switch 27 which opens (since the parts 22a and 26 are now disengaged) and disconnects the motor from its supply. When the motor is of the shunt field type the increased current necessary to open the switch 27 is provided by connecting the motor field winding in parallel with a low resistance, Figs. 3, 4, (not shown) the armature of the motor being short-circuited as in the first embodiment.
Patent GB-425553-A (GB)
Title: Improvements in and relating to thermionic valve amplifiers
IPC: H03F1/36
Filed: 1933-09-18
Abstract: 425,553. Valve amplifying circuits. ELECTRIC & MUSICAL INDUSTRIES, Ltd., Blyth Road, Hayes, Middlesex, BLUMLEIN, A. D., 32, Woodville Road, Ealing, and CLARK, H. A. M., 119, Wynchgate, Southgate, both in London. Sept. 18, 1933, No. 25797. [Class 40 (v)] In a thermionic power amplifier, particularly of the pentode type, negative feed-back of the voltage developed across the load circuit is used to reduce the apparent output impedance of the amplifier, whilst negative feed-back determined by the current in the load is used to increase the valve impedance. The first effect is applied to reduce harmonic distortion, whilst both effects are utilized when it is desirable that the amplifier should work into a load of lower impedance than its own, the voltage feedback in that case being made greater than the " current " feed-back. Similarly if the normal impedance of the load exceeds that of the valve, the "current" feed-back is made predominant. In general the current and voltage feedback components are adjusted to bring the effective amplifier impedance into optimum relationship with the load impedance, whilst maintaining a " matched " condition between the valve and the load. The invention maybe applied to reduce line-attenuation in telephone repeaters, or the production of harmonics in multiplex systems of telegraphy and telephony. Fig. 1 shows a pentode valve 1 which under optimum conditions should work into an impedance less than its own. The ratio of the step-up transformer 8 is chosen to match the impedance of the load, which may be an "inductive," moving-coil speaker, or a "resistive" telephone line, and a negative voltage feedback is applied by tapping the input 2 to a point 4 on the primary winding 5 of the output transformer 8. This reduces the effective impedance of the valve although the " matched " conditions are maintained. Fig. 2 shows an amplifier in which the output stage consists of two triode amplifiers 24, 25, arranged in parallel and driven so strongly that grid-current flows. Distortion in this case is reduced by making the negative " current " feed-back derived from a resistance 28 greater than the negative voltage feed-back derived from a tapping on a potentiometer 31, 32 shunting the output choke 27.
Patent GB-924650-A (GB)
Title: A relay arrangement in a fuel firing unit
IPC: F23N5/08
Filed: 1961-07-17
Abstract: 924,650. Photo-electric burner control. E. L. SKOGSBERG. July 17, 1961 [July 15, 1960], No. 25884/61. Class 40 (3). [Also in Group XI] A relay arrangement for starting a liquid fuel burner comprises a first relay FR, a device FC sensitive to the light or heat of the burner and a second relay MR which energizes the burner fuel pump, the arrangement being such that if the light-sensitive device FC is short-circuited at starting the relays will not operate. At starting A.C. current passes through a rectifier L1, a first winding I of the second relay MR and the two opposed windings I, II of the first relay FR. The second relay MR does not operate. In the absence of light or heat the resistance of the device FC is high and therefore the current through winding I of the first relay FR is small. In this condition the first relay operates to close contacts (not shown) in the supply circuit to an ignition transformer and to close contacts FR1 which energize a second winding II on the second relay MR. The second relay MR now operates to close contacts (not shown) in the supply circuit to the burner fuel pump. If the burner ignites the device FC is heated and its resistance reduces so that the current through winding I of the first relay FR increases and causes relay FR to open its contacts. Winding II of relay MR is then de-energized but the first winding I is sufficient to hold the relay in operated condition. The second relay MR when operated energizes a by-pass resistance r2 to increase the current supply to the first relay FR after its initial response. A ripple voltage on the second winding II of the second relay MR induces a ripple current in the first winding I of the second relay and causes increased sensitivity of the light sensitive device FC. In another embodiment, Fig. 2 (not shown), the operation at starting is the same as in Fig. 1 but if the lightsensitive device becomes short-circuited during operation the current in the first winding I of the first relay FR becomes twice as great as the current in its second winding II owing to the low impedance of a third winding III of the second relay MR compared with the first winding I thereof and the resistance r2. The first relay FR therefore operates and energizes a heater resistor rl which after a predetermined time operates a bimetal element r11 to break the supply to the relay system. The supply is restored manually.
Patent GB-479783-A (GB)
Title: A foot plate for use on portable stands, such as are used for portable wringing and washing machines
IPC: D06F1/00
Filed: 1936-09-24
Abstract: 479,783. Stands for wringing and washing machines. COTTINGHAM, R. F. Sept. 24, 1936, No. 25936. [Class 138 (ii)] [Also in Group XIV] A foot-plate for steadying a stand such as is used for supporting washing and wringing machines comprises a floor portion 1 and an upstanding portion 2 of which the upper portion is bent over to engage' the lower cross-bar 6 of the stand. The front of the foot-plate is provided with a down-turned edge 4, and an aperture 5 to receive the toe of the operator's foot is also provided.
Patent GB-258742-A (GB)
Title: An improved method of mounting insulators
IPC: H01B17/12
Filed: 1925-10-16
Abstract: 258,742. Rose, S. A. M. Oct. 16, 1925. Insulators.-An insulator mounting device, particularly for use with wireless aerials which are kept taut by a straining member, comprises a U-shaped member 1. An insulator 6 is mounted on one leg of the member 1, the other leg being formed with adjustment holes 3 - - 3<3> for a swivel-hook 2 carrying a straining-wire 5, as shown. The weight of the member 1 is such as will tend to maintain the insulator 6 vertical.
Patent GB-358669-A (GB)
Title: Improvements in fuel pump controlling means for oil engines
IPC: F02D1/00
Filed: 1930-09-01
Abstract: 358,669. Fuel-injection pumps. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Sept. 1, 1930, No. 26098. Convention date, Sept. 21, 1929. [Class 102 (i).] The fuel delivered by the pumps 7 of a radial cylinder engine, of the type in which the fuel pumps are grouped radially around a common cam, is controlled by rotating, simultaneously, the pump pistons by means of bevel pinions 9 and a common bevel wheel 10, the position of which is manually controlled by a pinion 11.
Patent GB-920365-A (GB)
Title: Improvements in buckles for safety belts
IPC: A44B11/25
Filed: 1960-07-27
Abstract: 920,365. Strap fastenings; latches. A. G. CARTER. July 27, 1960 [Feb. 23, 1960], No. 26131/60. Class 44. A quick-release buckle for safety harnesses has a male member which can be received in and engaged by detent members in a female member, and an element which is displaceable between locking and unlocking positions, corresponding to locked and unlocked positions of the male and female members, by a force parallel to the direction of insertion of the male member into the female member. As shown in Fig. 1 the female member 30 consists of two plates 38, 39 between which is slidably mounted a spring- biased release element 41, while the male member 31 consists of an apertured plate. To fasten the buckle, the male member 31 is slid into the female member 30 to push the release element 41 against springs 50 until the apertures 32 and 33 fall over the detents 36 and 37, Fig. 4. The element 41 thus springs back to the right over member 31 to hold the latter in place. A bar 63 or a projecting handle attached to the element 41 is retracted by hand to allow release of the buckle. To allow adjustment of the end of the belt 67 a knurled pin, sliding in slots in the plates 38 and 39 may be provided. In a further embodiment, Fig. 14, the male member 81 is held in its locked position by a spring-loaded cam element 94, release being effected by pulling a sliding handle 104 in the direction of insertion of the male member against a spring 107, so that projections 110 on the handle rotate the cam element and a shoulder 112 holds the cam element in this position, the number 81 then being free to be withdrawn. Slots 105 are provided for movement of member 104 relative to the cam element, and slots 118 allow adjustment of the length of belt 82. In modifications of the buckle a latch may be provided in addition to the cam element and the pin 121 may be replaced by an upstanding flange on the frame 88, and projection 110 may be replaced by a pivoted plate connected to the shoulder of the female member.
Patent GB-482213-A (GB)
Title: Improvements in variable-speed gearing
IPC: F16D23/06
Filed: 1936-09-26
Abstract: 482,213. Claw clutches ; variablespeed gearing. CLARKE, G. T. SMITH-. Sept. 26, 1936, No. 26150. [Class 80 (ii)] In a variable-speed gear, wherein a double claw-clutch element a, splined on a shaft f and operated by a fork k engaging a ring j secured to arms c projecting from the element a, is associated with a double-ended friction synchronizing sleeve b having longitudinal slots e with transverse recesses through which the arms c pass so as to prevent engagement of the claws until synchronism is attained, the ring is extended lengthwise in both directions beyond the fork-engaging portion and serves as the sole centring means for the sleeve b. Lubrication grooves l are provided on the inner surface of the ring j. Spring- loaded ball detents i are arranged between the members a and b.