baber/WOPTO huggingface dataset:
Patent GB-951263-A (GB)
Title: Improvements in or relating to remotely operable couplings
Inventor: ELLINGER JOHN HENRY
IPC: G21C13/02
Filed: 1960-12-06
Abstract: 951,263. Electric motors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Dec. 5, 1961 [Dec. 6, 1960], No. 41987/60. Heading H2A. [Also in Divisions E2 and F2] In a remotely operable coupling for detachably connecting a motor 40 having an axially extending output shaft to a structure, e.g. valve adjacent a driven shaft 19a, the motor is mounted for axial movement relative to an outer casing 50 and carries coaxially around its output shaft movable jaw members 49 which are biased to an open position when the motor is suspended by its casing and are closed by a spring 53 which causes the casing 52 to move relative to the motor when the latter is supported on the driven shaft 19a. The invention is applicable to nuclear and chemical engineering wherein because of noxious atmospheres the valve is required to be inaccessible and controlled by lowering the motor into engagement therewith. The drive from the motor rotor 40b to the driven shaft 19a includes an eccentric 41, compound planets 42, ring gear 43 and a squared socket 44.
Patent GB-1126256-A (GB)
Title: Improvements in or relating to propelling pencils
IPC: B43K21/16
Filed: 1966-09-22
Abstract: 1,126,256. Propelling pencils. ARDIS S.p.A. 22 Sept., 1966 [30 Sept., 1965], No. 42282/66. Heading B6P. In a propelling pencil wherein a chuck 8, 9 for gripping a lead 4 and mounted in an outer casing 7 is secured to a pushbutton 5 and is urged to leadgripping position by a spring 13, a tube 1 is freely slidable in the chuck and at its inner end 14 is slit so that it can lightly grip a lead 4. The push-button 5 is cut away at 11 so as to expose a cap 3 on the tube 1, and the engagement of the cap 3 with the ends of the cut-away part 11 limits the movement of the tube 1 relative to the button 5 and chuck 8, 9. To insert a lead, the button 5 is pushed in to open the chuck jaws 9, the tube 1 at the same time dropping to its lowest position. When the lead is inserted, it pushes the tube 1 inwardly until the cap 3 engages the upper end of the cut-away part 11, and then further insertion until the lead point is within the jaws 9 causes the lead to enter and be lightly gripped by the end 14 of the tube. The lead is now released, so that together with the tube 1 it drops until the cap 3 engages the lower end of the cut-away part 11, the point of the lead then projecting from the chuck. By releasing the button 5, the chuck is caused to grip the lead, and the pencil is ready for use. If the pencil is held with the writing end uppermost and the button 5 is operated, the chuck 8, 9 opens and the lead 4 and tube 1 drop back into the casing 7 so that the lead point is within the chuck. To adjust the length of lead projecting from the chuck when the pencil is in use, the tube 1 can be moved relatively to the lead by means of the cap 3 whilst the lead is gripped by the chuck jaws 9 when in withdrawn position.
Patent GB-894224-A (GB)
Title: Drive for a compressor system
IPC: F16K17/00
Filed: 1960-12-09
Abstract: 894,224. Hydraulic transmission of power. SPECIALTIES DEVELOPMENT CORPORATION. Dec. 9, 1960 [March 31, 1960], No. 42435/60. Class 69 (2). An hydraulic transmission of a compressor 10 comprises a source of hydraulic fluid 15 connected by a conduit 22, 24 to the inlet of an hydraulic motor 11 driving the compressor, means 37 connected to the outlet pipe 25 of the motor for controlling a valve 36 in the conduit to the inlet of the motor, the valve tending to close in response to an increase in pressure in the outlet pipe and vice versa, and stop means 40 for limiting the maximum extent the valve can open upon loss of pressure in the outlet pipe. The means connected to the outlet pipe 25, which leads to a reservoir 17, consists of a piston 37 subjected to the pressure differential across a throttle 30 in the pipe 25. The piston is connected to the valve 36 which has a tapered portion controlling a port 21 in the conduit from the pump to the motor. A spring 38 acts to urge the valve towards the,fully open position, the maximum degree of opening being controlled by the stop 40. The stop is adjusted so that when the pump is initially started and the valve is abutting the stop, the flow of fluid to the motor is not so great as to cause damage to the cams and other driving means in the compressor which may be of the type described in U.S.A. Specification 2,827,227. As the pressure in the outlet pipe 25 increases, the pressure differential across the throttle acts to move the piston and valve against the spring so as to tend to close the port 21 and reduce the flow from the pump and drive the motor at the desired speed. Any variation in flow from the pump automatically causes the piston to readjust the valve to regulate the flow to the motor. A passage 39 through the piston-andvalve assembly equalizes the pressure at opposite ends of the assembly.
Patent GB-1201492-A (GB)
Title: Anvils in or for rivetting machines
Inventor: STEGGLES DAVID
IPC: B21J15/44
Filed: 1967-09-19
Abstract: 1,201,492. Riveting. STEELS & BUSKS Ltd. 6 Dec., 1968 [19 Sept., 1967], No. 42491/67. Heading B3U. An anvil 2 in or for a riveting machine comprises a pin 10 having a piston 11 slidable in a hollow chamber 6 within the anvil body 3, the pin 10 being maintained in its projected position under no load by compressed air but being yieldable under the force of a descending plunger of the machine. The pin 10 allows positioning of the work, e.g. by threading pre-punched holes of the sheets to be riveted over the pin 10, and also guides the rivet into the work. The size of the chamber 6 is varied by moving a screw 5, through a bore 8 of which is passed the compressed air. The anvil is fitted into a hole in a supporting arm 1 of the machine.
Patent GB-1522251-A (GB)
Title: Electronic timepiece
IPC: G04G5/00
Filed: 1976-10-13
Abstract: 1522251 Electronic timepieces DAINI SEIKOSHA KK 13 Oct 1976 [20 Oct 1975] 42536/76 Heading G3T In an electronic timepiece a crystal controlled oscillator circuit 1 Fig. 2 is connected in series with a switching circuit 6 across the power supply battery, the circuit 6 being controlled by a manual switch 9. Thereby the oscillator can be switched off during storage or when resetting the timepiece to zero; also maloperation resulting from high contact resistance of switch 9 is minimized. As shown Fig. 3 the oscillator circuit comprises transistors 11, 12 and the switching circuit comprises a transistor 10 and a resistor 15, e.g. 10M#. When switch 9 is open the transistor 10 conducts and the oscillator circuit is active and vice-versa. When the oscillator is OFF the current consumption of the oscillator and divider is substantially zero since the divider receives no timing signal from the oscillator.
Patent GB-425452-A (GB)
Abstract: 425,452. Gas &c. burners. COX, J. B., King's Road, Tyseley, Birmingham. Aug. 30, 1934, No. 24963. Drawings to Specification. [Class 75 (i)] [See also Group XII] In an oven for baking &c. of the kind described in Specifications 191,865 and 312,016, [both in Clasa 51 (ii)], fuel is supplied to the burner through a bent conduit, e.g. of zig-zag formation, which absorbs downwardly directed heat, and imparts it to the fuel and to the natural air flow to the flame.
Patent GB-1139437-A (GB)
Title: Polyamides
IPC: C08G69/34
Filed: 1966-09-23
Abstract: 1,139,437. Polyamides of dimeric fatty amines. GENERAL MILLS Inc. 23 Sept,. 1966 [1 Nov., 1965], No. 42635/66. Heading C3R. Polyamides may be produced by reacting a polymerized fatty acid having a dimer content of at least 85% with a stoichiometrically equivalent amount of diamine, the diamine component containing 0À5-75 mole per cent of an amine of formula NH 2 R<SP>111</SP>NH 2 , where R<SP>111</SP> is the divalent radical of a dimerized fatty acid, said radical having the same number of carbon atoms as the dimerized fatty acid. The fatty acid may be saturated or ethylenically or acetylenically unsaturated. Tall oil fatty acid is specified both for use as a polymerized acid and for conversion to a diamine by polymerization, treatment with ammonia, reduction and distillation. Other dicarboxylic acids and diamines which may be present include adipic, suberic, succinic, glutaric, phthalic, isophthalic, terephthalic and sebacic acids and 1,2-diaminopropane, 1,2 - diaminobutane, 1,3 - diaminobutane, 1,3 - diaminopropane, tetramethylene diamine, pentamethylene diamine, hexamethylene diamine, decamethylene diamine, octadecamethylene diamine, m- and p-xylylene diamines, cyclohexylene diamines, bis-(aminoethyl) benzene, bis-(aminomethyl) cyclohexane, bis - (aminocyclohexyl) methane, bis - (aminophenyl) methane and ethylene diamine. The additional acids may supply up to 50% of the carbonyl groups present and may be replaced by their amide-forming derivatives, such as chlorides, and alkyl and aryl esters. The reaction may occur at 100-300 C.-initially between 120 and 180 C. and finally above 250 C. The products may be used as adhesives.
Patent GB-1007292-A (GB)
Title: Improved drive for hydraulic transmission by gas turbine
IPC: F02C7/36
Filed: 1963-10-30
Abstract: 1,007,292. Gas turbine engines. H. TEVES, E. A. TEVES and M. TAUSEND, [trading as ALFRED TEVES MASCHINEN-UND ARMATURENFABRIK KOMM-GES.] Heading F1G. [Also in Division F2] In a drive for a hydrostatic transmission by a gas turbine engine, the gas turbine is mechanically separate from the compressor of the engine, the turbine shaft and the compressor shaft being hydraulically connected by the relatively rotatable parts of the pressure-medium pump of the hydrostatic transmission. The invention is shown diagrammatically in Fig. 3 in which air from the compressor 2 passes to the combustion chamber 10, fuel being supplied to the chamber at 11, the resulting combustion gases passing into the turbine 1. At 16 is indicated the pump of a hydrostatic transmission, the compressor shaft 12 being connected to the rotor 13 of the pump and the turbine shaft 15 being connected to the casing 14 of the pump. The compressor is thus driven by the turbine through the pump 16. The delivery of the pump is proportional to the difference in speeds of the two shafts. The transmission system is shown diagrammatically in Fig. 4 the same reference numerals being used to indicate the compressor, turbine and pump as in Fig. 3. The transmission motor is indicated at 18, fluid being supplied thereto from the pump 16 through line 17 in which is disposed a check valve 22. Fluid returns to the pump 16 from the motor through line 21. The output shaft of the motor 18 which may drive the road wheels of a vehicle is indicated at 20. A control device is indicated at 23 and the operator's foot pedal 24 is connected thereto; a speed signal from the device 27 responsive to the speed of the drive shaft 20 is supplied to the control device 23 through line 28. The pump output pressure in line 17 is supplied to the control device through line 29 and the motor discharge pressure in line 21 through line 30. An output signal from the control device is supplied to the motor adjusting unit 19 through line 25. The control device 23 also acts to control the supply of fuel to the combustion chamber through line 11. At idling the compressor and the turbine have the same high speed of rotation, the pump 16 acting as a hydrostatic coupling and having no output. The check valve 22 is closed and the motor 18 is stationary. Upon starting up, the pedal 24 acts on the control device 23 to allow pressure fluid to pass from line 17 through lines 29, 26 to open the valve 22 so that pressure fluid passes to the motor 18 which commences to drive the shaft 20. As the vehicle speed increases the motor absorbs more pressure fluid and the speed of the turbine 1 continues to rise as compared with that of the compressor 2. At maximum speed of the vehicle the pressure in the conduit 25 is at maximum value, the motor 18 is adjusted to the lowest pressure fluid consumption, and the supply of fuel to the combustion chamber 10 is at a maximum. The speed indicating device does not influence the control device 23 since it is inoperative.
Patent GB-1130031-A (GB)
Title: Fluid dynamic control device
IPC: F15C1/04
Filed: 1965-10-11
Abstract: 1,130,031. Pure fluid switches. MATTEL Inc. Oct.1, 1965 [Feb. 4, 1965], No.43020/65. Heading G3H. [Also in Division H1] A pure fluid dynamic control device comprises a blower 18, Fig. 1 supplying fluid to an accumulator chamber 22 having an outlet slot 28 through which a stream exists as a laminar flow. A first boundary wall 42, 44 is spaced from the slot by a spacer 40 while a second boundary wall 52, 56 is arranged opposite but downstream of the first wall. A throat 66 between the second wall and slot leads to a resonant chamber 60 which may be adjustable in size by a slide 62. Under normal conditions, the issuing jet locks on to the wall 42, 44 but in the event of a sound at a frequency which sets the chamber 60 in resonance, vortices are formed at the throat 66 and a pressure difference created which pulls the jet over to the second wall 52, 56 until the sound ceases when the jet switches back to the first wall. In a modification, two resonators are employed located on opposite sides of the jet outlet to switch the jet at different frequencies. The blower may be arranged in the body as in Fig.7 (not shown) and the jet is used to actuate a pivoted vane 90 loaded by a spring to make or brake switch contacts 92, 96 as the jet is switched. The device may also be used as a jet propulsion device, Figs.14 and 15 (not shown) in which the jet provides a thrust in one direction under normal circumstances but in a second direction when the jet is switched. The blower may also supply two jets which may be switched at different frequencies. In a further modification, the device is used with an air cushion vehicle in which the jet or jets are manually directed to the peripheral nozzles around the circumference of the vehicle but in response to sound at certain frequencies, the jet is deflected to apply a thrust component to the vehicle.
Patent GB-974300-A (GB)
Title: Improvements in or relating to secondary electron emitting targets
Inventor: GIBBONS DAVID JOHN
IPC: H01J29/41
Filed: 1959-12-19
Abstract: 974,300. Electrode materials. ELECTRIC & MUSICAL INDUSTRIES Ltd. Dec. 16, 1960 [Dec. 19, 1959], No. 43232/59. Heading H1D. A secondary-electron-emissive electrode for an electron multiplier or image intensifier tube comprises an insulating layer exhibiting the property of bombardment-induced-conductivity and having a thickness in the range 200 to 2000 Š, provided on one side with a layer of aluminium, beryllium or magnesium, and on the other side with a layer of secondary-electronemissive material, e.g. potassium chloride or barium fluoride. Preferably a layer of aluminium oxide, 500 Š thick, formed by anodizing an aluminium foil, is attached to a glass frame and is coated, by evaporation in vacuum, with a layer of Al, 100 Š thick, and a layer of potassium chloride, 500 Š thick.
Patent GB-1212856-A (GB)
Title: Cutting creasing and embossing presses
Inventor: BURNS ALFRED WILSON
IPC: F16P3/04
Filed: 1967-09-27
Abstract: 1,212,856. Machinery guards. WILLIAM CROSLAND Ltd. 24 Sept., 1968 [27 Sept., 1967], No. 43980/67. Heading F2J. A cutting, creasing, and embossing press having a platen 11 movable towards and away from a fixed platen 24 by a drive including an electrically engaged clutch 14, includes a pivoted trip rail 25, 27 which, in the open position of the platen 11, lies adjacent the fixed platen 24 and, upon closing movement of the platen 11, is moved towards the latter, just clearing the swept arc of the platen 11, so that an operator having a part of his person so positioned that trapping thereof by the press is possible, will obstruct the trip rail to actuate a switch 35 to cause clutch disengagement and application of a brake 20 to stop the press. The trip rail, carrying transparent shields 27<SP>1</SP>, is pivoted to a plate 29 at each side, and is urged against a stop 33 on the plate by a spring 31. Pivoting of the trip rail relative to the plates 29 against the spring 31 actuates the switch 35. A shaft 21 carrying the clutch 14 output member and acted upon by the brake 20 and a "fail-safe" brake (not shown) is geared to a crank-shaft 13 coupled to the platen 11 by connecting rods 12. Links 37 connect the plates 29 to the crank-shaft for rocking thereby. Control circuits are identical to those of Specification 1,212,855 except that in place of the switch controlled by a photo-electric guard, aswitch (49), (Figs.3,4, not shown) or(60) (Fig.5, not shown) controlled by the trip rail switch 35 is used. In a modification, the trip rail 25 is supported in slots in the arms 27 so that obstruction of the trip rail moves it in the slots to actuate limit switches.
Patent GB-1127191-A (GB)
Title: Improvements relating to flexible element couplings between relatively rotatable members
Inventor: PALMER GARETH EDWARD JAMES
IPC: B65H75/44
Filed: 1964-10-30
Abstract: 1,127,191. Taking up slack in flexible elements. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 12 Oct., 1965 [30 Oct., 1964], No. 44356/64. Heading B8B. A flexible element coupling comprises relatively rotatable inner and outer drums 1, 2 separated by an annular space and interconnected by the flexible elements e.g. electric cables or fluid power lines C1 C2, C3, &c. each of which is resiliently anchored to the outer drum 2 at one part and is wrapped around the inner drum 1 at another part, the intermediate part of each cable forming a bight in the annular space. The arrangement is such that relative rotation of the two drums transfers a length of cable either from the periphery of the inner drum 1 to the bight or from the bight to the periphery of the inner drum. The path of the bight of each cable is determined by rollers 7, 8, 9, 10 mounted on a carrier 11 which rotates co-axially with the drums. The roller carrier is driven through epi-cyclic gearing and ratchet operated slipping clutches by the drums at such a velocity that the cable bights are always tensioned independent of direction of rotation. The cables pass between the two drums at different positions along the rotational axis thereof. In the modification of Fig. 6 (not shown), the inner drum is finned and each cable is coiled around the drum between its particular pair of fins.
Patent GB-931143-A (GB)
Title: Protective system for level crossings
IPC: B61L29/28
Filed: 1961-12-13
Abstract: 931,143. Level crossing control arrangements. GENERAL RAILWAY SIGNAL CO. Dec. 13, 1961 [Jan. 11, 1961], No. 44613/61. Class 105. In a level crossing control arrangement in which flashing light signals are operated and half barriers lowered to halt the road traffic a short period, e.g. 20 seconds, before a train passes over the crossing, means are provided for bringing the train to a halt in the event that an obstruction, e.g. a stalled car, is detected on the crossing. The presence of a car on the crossing is detected by a supersonic detection arrangement of the type described in Specification 931,125 which includes transmit -receive transducers T-R1 to T-R3 and control apparatus 14 and indicated by the energization of relay XOR. A stalled car is indicated when relay XOR remains energized during a period determined by thermal delay units 1TH, 2TH which energize respectively relays 1TE, 2TE to prepare a release circuit for relay TEP. The track is divided into insulated sections AT, 1T, 2T, 3T and 4T, each provided with a track circuit relay TR and relays 1H, 2H are provided for the control of signals 1S, 2S. Track inductors AI, 1I are also provided which, when open-circuited, initiate the automatic stopping of trains passing thereover. In normal operation a train moving from section AT to section IT releases relay 1H which sets signal IS to danger, on entering section 2T relay 2TR is released whereby, relay 2H is released to set signal 2S to danger, relay XR is released to operate the road flashing light signal and after a short delay relay GR is released to lower the half-barriers across the road. Relays XR and GR are maintained in their released condition until track section 3T, which includes the crossing, is vacated by the train. When a vehicle stalls in the crossing one circuit for energizing relay TEP is open at back contacts 39 and 40 of relays 2TE, 1TE, respectively, so that when a train enters track section AT and releases relay ATR relay TEP releases. Release of relay TEP opens the energizing circuits of relays 2H, and XR and changes the polarity of the energizing circuit of relay 1H so that signals IS and 2S are switched to yellow and red, respectively, and a flashing light signal is given at the crossing, in addition a " lunar white " obstruction signal LW on each signal 1S, 2S is energized via back contact 41 of relay TEP. The train is thus brought to a halt before it enters the crossing. If the train enters track section IT when relay XOR has been released for the duration of the time delay determined by thermal unit 1TH only, relay TEP is released at contact 40 relay 1TE whereby the occupants of the car at the crossing are warned of an approaching train by the flashing light signal produced by the release of relay XR and an attempt is made to stop the train before collision by the release of relay 2H which switches signal 2S to danger and opens the circuit of inductor 1I.
Patent GB-1166847-A (GB)
Title: Process for Producing Welded Dental Cross Clips
Inventor: MITTENDORF ECKART
IPC: A61K6/04
Filed: 1966-10-06
Abstract: 1,166,847. Making dental cross clips; welding by pressure. DENTALFABRIK TREFFURT VEB. 6 Oct., 1966, No. 44695/66. Heading B3R. [Also in Divisions A5 and C7] In making a cross clip for use in dentistry a pair of elongate parts are placed at an angle to each other in abutting relationship, welded together and then subjected to a heat treatment to provide a cross clip having a uniform modulus of elasticity throughout. The heat treatment may be between - 120‹ C. and 1100‹ C. Two wires are placed one above the other, heated by a TIG (tungsten inert gas shielded arc) spot welding apparatus, a pressure being exerted during heating on the wire nearer the torch so that the said wire is pressed into the other, and the welded wires are annealed at 760‹ C. for 90 minutes, cooled to room temperature for one hour, heated for 30-90 minutes at 480-560‹ C. and then cooled in air to room temperature. The wires are of steel containing 17% Cr, 7% Ni, 1% Al and less than 0À1% C. In a modification the welded wires are heated at 950‹ C. for 10 minutes, cooled in air to - 73‹ C. for 2 hours and heated at 510‹ C. for 1 hour. They are finally cooled in air to room temperature. In this case the wires are of stainless steel containing 5% Mo, 18% Ni, 8% Co, 0À5% Ti, 0À1% Al and less than 0À1% C. The cross clip engages natural teeth and is secured to a denture.