baber/WOPTO huggingface dataset:
Patent GB-803979-A (GB)
Title: Improvements in dog clutches fitted with synchronising devices
IPC: F16D23/06
Filed: 1956-04-30
Abstract: 803,979. Positive clutches. DAIMLERBENZ A.G. April 30, 1956 [May 2, 1.955], No. 13207/56. Class 80 (2). In a synchromeshed dog-clutch 17, 18 for a change-speed gear wherein a cone 20 frictionally engaging one clutch member 11 has limited circumferential play e at 27 on the other clutch member 13, 17 to permit movement to and from positions in which teeth 24 on the cone balk engaging movement of the dog teeth 16 of the member 17 towards the complementary dog teeth 18, the balk action is arranged unsymmetrically to offer a greater resistance for one direction of relative rotation (e.g. for downshifting into first ratio from second) then in the other (e.g. for engaging first ratio from rest). In one construction, Fig. 3, the circumferential play e is unsymmetrical with respect to the balk position so that in the direction of relative rotation x of the dogs 18, the dog teeth 16 are free to engage without balk resistance, whereas in the opposite direction the play e permits the balk teeth 24 to lie in the path of the dog teeth 16, causing balk resistance until synchronism is attained. In Figs. 5 to 7 (not shown), the play is symmetrical or otherwise, but the pointed butting ends of the balk teeth 24 and/or dog teeth 16 are inclined at different angles on opposite faces to offer different resistance according to the faces engaged and hence the direction of relative rotation. Initial axial pressure is transmitted to the friction cone 20 through a spring-loaded ball 33 and push-piece 34 carried in a groove in the shaftmember 13.
Patent GB-166011-A (GB)
Title: Improvements in indicating devices for measuring apparatus
IPC: G01D13/22
Filed: 1920-05-13
Abstract: 166,011. Gros, P. M. F. Dugit-, (known as Dugit, M.). May 13, 1920. Dials and scales; index hands and pointers; multiple-indication apparatus.-Consists in a uniformly graduated scale carried at the edge of a radial slot in a stationary disc and a relatively rotatable disc mounted on the same axis upon which is marked a spiral or series of spirals representing the polar co-ordinates of the variable which is to be measured, the reading at the intersection of the scale and spiral or one of the spirals giving the result. Figs. 2 and 3 show the application to an aneroid barometer, a rod 3 fixed to the diaphragm 5 acts upon a finger 6 secured to a shaft 7 and is thereby oscillated and through a second finger 8 engaging the forked end 9 of a toothed sector 12 actuates a pinion 13 to the spindle of which is keyed the disc 15 marked with a curve C<1> representing the atmospheric pressure as a function of the angular displacement of the disc. A cover disc 16 arranged above the disc 15 is provided with a radial slot 17 and uniform scale 18. To compensate for variations in temperature a series of spirals C<0>, C<1>, C<2>, Fig. 7, corresponding to the various temperatures are traced on the disc 15; corresponding curves G‹, G<1>, G<2> may also be provided for giving the altitude for the same temperatures, an altitude scale 23 being arranged on an adjustable frame 24. The terminal elements of an altimeter as shown in Fig. 8 comprise in addition to the main spiral C several auxiliary spirals and a corresponding scale for reading off the units of inferior order. The main and auxiliary scales F, f are provided with means for enabling the zero of the scale to be adjusted comprising a screw 38 rotatable in the framework and engaging a flange on the scale bearing members which are slidable in slots in the framework. In a modification Fig. 11 only one auxiliary curve c is provided the reading of inferior units being effected by means of this spiral on several auxiliary scales f<0>, f<1>, &c.
Patent GB-271118-A (GB)
IPC: B60Q1/34
Filed: 1927-05-17
Abstract: 271,118. Bourguet, E. May 17, 1926, [Convention date]. Road-traffic signals on vehicles.-A signalling device comprises a horizontally disposed band stretched over two rollers and provided with a succession of squares or crosses of different colouring behind a window. Turning to right or left is signalled by moving the band to right or left respectively, and stopping or slowing is signalled by alternate movements to right or left. The drive may be effected by mechanical, electric or pneumatic means. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the following subject-matter :-A turning signal on a vehicle is given by a flash of light or a luminous image which can be repeated, at variable intervals, or by a movement of light towards the side, to which the vehicle is about to turn. A series of lamps may be lighted successively by a switch arm moving over contacts, and two series of lamps may be arranged in the form of a cross so that, by total illumination, a " stop signal may be given. This subject-matter does not appear in the Specification as accepted.
Patent GB-1100674-A (GB)
Title: Semiconductor device
IPC: H01L29/00
Filed: 1965-03-30
Abstract: 1,100,674. Semi-conductor devices. RADIO CORPORATION OF AMERICA. 30 March, 1965 [27 April, 1964], No. 13426/65. Heading H1K. [Also in Division H2] A diode having a pair of junctions with different characteristics arranged in parallel is produced by heating an N-type silicon wafer doped with phosphorus in an atmosphere of forming gas containing boron to diffuse a P- type surface layer. The wafer is then diced or ultrasonically machined to produce cubes, each of which contains an N-type region 14 and a P- type region 12 separated by junction 15. Phosphorus is diffused into each of the cubes to produce an N+ type shell round N-type region 14 and form a junction 17 with region 12. The diode is soldered into a housing 18, region 12 being soldered to a contact 21 which is insulated from housing 18 by glass bead 24. An intrinsic region (19), Fig. 3 (not shown), may be provided between regions 12 and 14 to produce a PIN diode. This is achieved by heating the starting wafer in a forming gas containing a small quantity of boron and then continuing the heating in forming gas alone to produce an intrinsic shell in the wafer which is then processed as above. A power rectifying circuit using the diode of the invention as a smoothing filter (see Division H2) is described, the device being connected for conduction in the reverse direction. The outer junction 17 has a low avalanche breakdown voltage so that it generates heat to increase the reverse saturation current of the main junction 15 to the desired operating point at which it attains thermal equilibrium. It is stated that for some applications the diode may be made of germanium or gallium arsenide.
Patent GB-560327-A (GB)
Title: Improved apparatus for twisting together two or more pieces of dough
IPC: A21C3/08
Filed: 1942-09-24
Abstract: 560,327. Photo electric control of dough twisting machines. BAKER PERKINS, Ltd. Sept. 24, 1942, No. 13455. Convention date, Oct. 7, 1941. [Class 40 (iii)] [Also in Groups V and XXX] Apparatus for twisting two or more dough pieces together comprises a plurality of twisting units disposed one above the other, each unit comprising two spaced cup members mounted on rotatable aligned shafts, means for rotating the members of each unit in opposite directions, and means for delivering partly twisted dough pieces from one unit into the unit immediately beneath it. A pan 123 is held stationary on a moving conveyer under the trap 7 by a detent 133. When dough falls from the upper twisting unit to the lower it breaks a beam of light x projected from a source 126 upon a photo-electric cell 127. A solenoid 128 is then energized and rocks clockwise a bellcrank lever 129, thus unlatching a lever 130 which is then pulled down by a spring 131 as a roller 1301 on lever 130 falls into a depression in cam 132. Descent of lever 130 pulls down detent 133 and allows the full pin t'o go on. Lever 130 is then raised by the cam and the detent rises to hold the next pan. The conveyer 2 comprises a stationary plate 135 hinged at its upper end on a shaft 137' and adjustable in height at its lower end and an endless belt 144 mounted on a frame 139 hinged at its lower end and adjustable in height at its upper end by worm, screw and nut means. The belt is backed by a stationary plate 136, the dough pieces being rolled between the plate 135 and belt 144.
Patent GB-1481593-A (GB)
Title: Triisocyanates and the use thereof
IPC: C07C263/10
Filed: 1976-04-05
Abstract: 1481593 Triisocyanates BAYER AG 5 April 1976 [9 April 1975] 13639/76 Heading C2C [Also in Division C3] The invention comprises compounds having the general formula wherein R 1 , R 2 , R 3  and R 4 , which may be the same or different, are hydrogen, methyl or -(CH 2 ) n -NCO where n is 1, 2 or 3, two of R 1 , R 2 , R 3  and R 4  being -(CH 2 ) n -NCO, and m is 1 or 2. They may be prepared by phosgenating a triamine having the general formula wherein R 5 , R 6 , R 7  and R 8  are each hydrogen, methyl or -(CH 2 ) n -NH 2 , at least two of R 5 , R 6 , R 7  and R 8  being -(-CH 2 ) n -NH 2 . The starting materials of Formula (I) may be prepared by hydrogenating in the presence of ammonia a compound of the formula wherein R 9 , R 10 , R 11  and R 12  are each hydrogen, methyl or -(CH 2 ) r -CN where r is 0, 1 or 2, at least two of R 9 , R 10 , R 11  and R 12  being and R 13  is -CN, -CH 2 CN or -CHO. Starting materials (II) may be prepared by reacting a compound of formula with (i) HCN, (ii) carbon monoxide and hydrogen or (iii) acetonitrile to form compounds of Formula (II) wherein R 13  is (i) CN, (ii) CHO or (iii) CH 2 CN respectively. The compounds of Formula (A) may be used as monomers for the preparation of polyurethanes.
Patent GB-652180-A (GB)
Title: Improvements in shoes for wear and to the manufacture thereof
IPC: A43B9/06
Filed: 1949-05-13
Abstract: 652,180. Platform covers. ATLAS-UNION SHOE CO., Ltd., and ATLAS, A. May 13, 1949, No. 13698/48. [Class 17(ii)] A platform cover 2 is secured at its inner edge 2a by the lockstitching 4 which secures the out-turned edge 1a of an upper 1, the edge 6a of a sock lining 6 and a platform sole 3. The cover is turned over on itself and stuck beneath the platform sole and an outsole 7 attached. A sponge rubber filling 5 is inserted and, if desired, the platform heightened by a filling or sole secured below the platform sole 3 and also covered by the cover 2. A wedge or internal heel may be provided and the upper out-turned only at the forepart, the heel being finished as in Specification 549,812.
Patent GB-528500-A (GB)
Title: New or improved arrangement of incandescent plug in an ante-chamber of an internal combustion engine
IPC: F02F1/24
Filed: 1939-05-09
Abstract: 528,500. Oil engines ; ignition. DAIMLERBENZ AKT.-GES. May 9, 1939, No. 13806. Convention date, May 10, 1938. [Classes 7 (iii) and 7 (iv)] In an engine with a precombustion chamber formed in an inserted part d in the cylinder head, an incandescent plug i is passed through an aperture in the cylinder head and screwed directly into the inserted part. The plug has a tubular extension i<1> which is threaded into the part d so as to extend approximately to the middle of the incandescent spiral h and flush with the interior of the chamber. A packing k is inserted between a bushing m and a shoulder in the part d. Packing may also be provided at the collar n.
Patent GB-1197582-A (GB)
Title: Grinding and Dispersing Apparatus
Inventor: SZEGVARI ANDREW
IPC: B02C17/16
Filed: 1967-03-23
Abstract: 1,197,582. Ball mills. A. SZEGVARI. 24 June, 1968 [23 March, 1967], No. 13810/67. Heading B2A. Material is ground by agitation by a rotatable stirrer 5, 6 of a charge of oxide balls having a specific gravity not less than that of zirconia, Hafnium dioxide balls may be used. Sizes range from 1/64" to 9/16".. The arms 6 may be e.g. tungsten alloy or coated with cemented cailbide and discs 9 prevent passage of material straight through the apparatus. Rotational speed varies from 100 to 800 r.p.m. according to the size of the grinding media.
Patent GB-1073308-A (GB)
Title: Apparatus for measuring the speed of vehicles
Inventor: BROWN NORMAN KENNETH
IPC: G01P3/66
Filed: 1965-04-01
Abstract: 1,073,308. Measuring speed. SPERRY GYROSCOPE CO. Ltd. April 1, 1966 [April 1, 1965], No. 13827/65. Heading G4H. When a vehicle passes over a first vehicle detector 1, a bi-stable device 7 is switched to its " RECORD " state to enable a gate 8 to pass clock pulses for recording on magnetic tape, the gate being closed when the bi-stable device 7 is switched to its " STANDBY " state when the vehicle passes the second detector 2. Preferably the detectors are pneumatic tubes controlling diaphragm-operated switches 3, 4. Speed, e.g. for recording the car number, may be recorded on a second track of the tape, the tape being later passed through apparatus adapted to count and display the recorded number of pulses. To prevent errors when a second vehicle passes the first detector before the first vehicle has cleared the apparatus, an inhibiting device 11 positioned between the switch 3 and the bi-stable device prevents the signal from the second car reaching the bi-stable device.
Patent GB-263397-A (GB)
Title: Improvements in or relating to cocks or taps
IPC: F16K35/02
Filed: 1926-06-01
Abstract: 263,397. Graaff, C., and Mikoray, H. June 1, 1926. Locking. - A safety or locking-device for taps or cocks comprises a sleeve a containing a spring-pressed plunger e which enters the bore g through the plug h of the cock when in the closed position. The sleeve is screwed into a hole in the cock casing in axial alignment with the bore through the plug. To operate the cock the plug is released by a pull on the knob c.
Patent GB-383892-A (GB)
Title: Panel selector arrangement in telephone installations
IPC: H01H67/12
Filed: 1932-05-13
Abstract: 383,892. Automatic exchange switches. MERK, F. and FULD & CO., TELEPHONUND TELEGRAPHENWERKE AKT.- GES., H., 136, Mainzerlandstrasse, Frankforton-Main, Germany. May 13,1932, No. 13839. Convention date, May 18, 1931. [Class 40 (iv).] A flat-bank structure for panel selectors, comprising rows of banks 28 clamped together by transverse members 27 which act as guides for the brush carriages S, is provided at its lower side with bearing members 39 from which the driving and restoring means W are suspended by means of cross-members 20. Each brush carriage and its driving means are brought into operative engagement by a projection 38 engaging a hook 40 on the top of a rack 36 which slides on a baseplate 30. The brushes are set by gravity under the control of a stop magnet 33 with a speed-regulating brake 37 and are restored by a fluid-pressure device K. Each bearing 39 carries a spring catch 19 engaging with a stop 18 on the brush carriage when the driving mechanism is detached. A cam lever 21, Fig. 3, with locking screw 24 provides adjusting means between the cross-member 20 and the baseplate 30 for the purpose of centring the brushes on the bank terminals. A cross-beam 26 serves to support the bank structure and has suspended from its ends bars 15, 16 which carry the terminal blocks 12, fluid-pressure devices K, and guide bearings 13 for the lower ends of the plates 30. Specification 307,338, [Class 40 (iv), Telephones &c.], is referred to.
Patent GB-834046-A (GB)
Title: A one-piece rigid carpet binder
IPC: A47G27/04
Filed: 1957-05-01
Abstract: 834,046. Securing carpets to floors. ROBERTS MANUFACTURING CO. May 1, 1957 [June 25, 1956], No. 13852/57. Class 142(4) [Also in Groups VIII and XXV] A light-metal extrusion with punchedout prongs 16, 22, is nailed to the floor with its flange 18 next to the underfelt, the heads of the nails being accommodated in a channel 25. The carpet is impaled on the prongs and retained by hammering down a flange 12.
Patent GB-382570-A (GB)
Title: Improvements relating to openwork metal stairtreads or the like
IPC: E04F11/16
Filed: 1932-05-13
Abstract: 382,570. Stairs. MUDD, P. A., (trading as LIONWELD STEEL FLOORING & STAIRWAY CO.), Mercantile Chambers, West Hartlepool, Co. Durham. May 13, 1932, No. 13860. [Class 20 (iv).] An openwork metal stair tread has its front member B of such a section as to receive a non-slip filling E, the ends of the member being closed by plates C welded across the ends of the tread. The metal work A may be supported on ledges D on the endplates and the whole welded together. The front edge member may be of H or channel-section, or it may be of L- or T-section to co-operate with the front member F of the remainder of the tread to form a channel for the non-slip filling.
Patent GB-233167-A (GB)
Title: Improvements relating to oil vaporisers and blow lamps or burners
IPC: F23D99/00
Filed: 1924-06-06
Abstract: 233,167. Parkinson & W. & B. Cowan, Ltd., and Burton, L. E. June 6, 1924. Atmospheric vapour burners; vaporizing-apparatus.-A vapour burner comprises an annular vaporizing chamber a having flanged ends e, f secured by a coupling ring c and a, cone or nozzle e to a threaded disc d which carries the fuel supply pipe j and a vapour delivery tube g. The tube g is fitted with a nipple h from which the vapour is discharged into the nozzle e for combustion with induced air in the flame tube b which is formed by the inner surface of the vaporizing chamber. The vaporizing chamber a may contain a roll of wire gauze and a tube k may be fitted to the pipe j to ensure that the oil passes to the forward end of the chamber.
Patent GB-787230-A (GB)
Title: Improvements in and relating to gloves
Inventor: LEWIS GODFREY
IPC: A41D19/00
Filed: 1956-05-04
Abstract: 787,230. Gloves. LEWIS, Ltd., D. May 4, 1956, No. 13919/56. Class 141 A gauntlet glove having a protective flap 1 adapted to cover the fingers or hand portion P, is provided with a pocket 9 inside the gauntlet G for accommodating the flap 1 when not in use. The waterproof flap 1 is attached to the glove at the wrist line 2 and is held in position over the fingers by a strap or by an overlap 3 of leather &c.
Patent GB-654651-A (GB)
Title: Improvements in cylindrical heat-exchangers
IPC: H01J19/36
Filed: 1947-05-23
Abstract: 654,651. Cooling cylinders. SOC. ANON. DES USINES CHAUSSON. May 23, 1947, No. 13934. Convention date, June 14, 1946. [Class 7(ii)] [Also in Groups XIII and XL (a)] A cylindrical heat-exchanger comprises a sleeve supporting a cylindrical group of radial fins, each of the fins having a single body along its portion located in the zone near said sleeve and two arms bent apart to form a fork in its peripheral portion, so as to provide an inner series of passages adjacent the sleeve and an outer series of passages near the periphery of the fins, the passages of both series being of substantially uniform cross-section. In one embodiment, a sleeve 5 has slots 6 in which the fin bases are brazed or fixed by any method providing mechanical fixing and a passage for heat. The fins comprise metal sheets which are cut out and folded so that portions 7 and 8 in the zone near the sleeve are pressed together, while portions 7<SP>1</SP> and 8' in the peripheral region are bent apart to form a fork. Tongues 3, 11 and 12 are cut out and bent in the metal sheet in order to retain the spacing between the fins and between the forked arms of the fins. The tongues may be staggered or cut in trapezoidal shape so that the bearing portion is wider than the opening formed by the cutting out of the tongue located opposite. In a modification the formed arms of the fins are obtained by a shaping process such as drawing, while the bases of the fins have radial sides so that the juxtaposed bases when brazed together, themselves form the sleeve. Secondary fins may be formed on the arms or bodies of the main fins, which may be corrugated. The forked arms of the fins may be formed with tongues which are bent to lie at an angle to the general direction of the cooling fluid.
Patent GB-382949-A (GB)
Title: Improvements in or relating to automatic regulators for dynamo-electric machines
IPC: H02P9/14
Filed: 1931-05-12
Abstract: 382,949. Automatic regulation. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Fitzgerald, A. S. ; Warwick Road, Wynnewood, Pennsylvania, U.S.A.) May 12, 1931, No. 14046. Convention date, May 12, 1930. [Class 38 (iv).] An automatic voltage regulator for a polyphase dynamo-electric machine has a single main control element 16 responsive to balanced and to unbalanced voltage variations. In one arrangement. Fig. 1, three transformers 20 have their primary windings connected respectively to each phase and their secondaries connected each in series with a rectifier 23 and all in series or parallel with the control element of the regulator. In another arrangement, Fig. 2, the control element 16 is responsive to one phase voltage and its circuit, includes variable impedance elements 26, 27 responsive to a decrease in voltage on any one or more of the remaining phases, a saturating winding on each reactance being connected through a rectifier across such phase.
Patent GB-560332-A (GB)
Title: Improvements in or relating to valve mechanism for two-stroke internal combustion engines
IPC: F01L7/04
Filed: 1942-10-07
Abstract: 560,332. Valves. LOVITT, C. Oct. 7, 1942, No. 14076. [Class 7 (vi)] The cylinder head of a two-stroke engine is provided with a rotary valve 14 which is coaxial with the cylinder 10 and formed with two or more passages 15 extending completely through the valve to open the cylinder to inlet ports and sparking plugs disposed alternately in the cylinder head, the passages registering successively with the ports and plugs and forming part of the combustion space which exhausts through a port or ports 32 disposed near the end of the outstroke of the piston 11. The valve 14, which is of greater diameter than the cylinder 10, is held in a lower cylinderhead portion 12 by split rings 17 and an upper portion 13 in which the inlet ports and sparking plugs are provided and which also houses a shaft 18 integral with the valve and rotatably mounted in thrust bearings 27, 28, the valve and shaft being driven by a gear 21 meshing with teeth 19 extending from the periphery of the valve into a recess 20 in the lower head portion 12.
Patent GB-709216-A (GB)
Title: Improvements in electrical protective systems
Inventor: WELLMAN FREDERICK EDWARD
IPC: H02H3/02
Filed: 1951-06-14
Abstract: 709,216. Protective cut-out arrangements. METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. April 30, 1952 [June 14, 1951], No. 14135/51. Addition to 648,445. Class 38(5) The arrangements of Figs. 1 and 2 of the parent Specification are combined in such a way that. only one relay is used, instead of two as in Fig. 3 of the parent, by connecting the relay 100 in series with a negative resistance-voltage characteristic resistance 105, and connecting a further such resistance 106 across the points 22, 23. A series condenser 103 tunes the circuit to resonance at the fundamental frequency, it being combined with the relay coil and/or with a series inductance, if the relay is fed over a rectifier (not shown). A linear resistance 104 limits the maximum current through the relay and determines the minimum voltage setting. The resistance 105 comprises a number of elements connected in series and connected to socket contacts 107a so that the number in use may be selected by a bridging plug 107.