baber/WOPTO huggingface dataset:
Patent GB-265064-A (GB)
Title: Improvements in separable fasteners
IPC: A44B19/04
Filed: 1926-07-07
Abstract: 265,064. Lightning Fasteners, Ltd., (Sundback, G.). July 7, 1926. Sliding-clasp fastenings of the type comprising interengaging elements oppositely mounted on stringers, have each element provided with both an aperture and a tongue, the tongue of one element entering the aperture of the opposite element. The elements are stamped from sheet metal and have a tongue 33 and an aperture 34, Fig. 6, and prongs 43 for attaching them to the stringer. The tongue has two bevelled faces 36, 37 for facilitating its entry into the aperture. A recess 38 at the base of the tongue enables it to engage firmly with the opposite element. The elements may be stamped from a length of L- shaped metal, when the tongue 46, Fig. 5, is formed in one flange of the L-shape and the aperture 48 and attaching prongs 47 in the other, the prongs being afterwards bent through 90‹. The tongue 82 may be stamped from the element, as shown in Fig. 8, the space left by the tongue forming the recess 83. Only one guiding face 37 may be provided. The elements may have prongs which pass through the stringer and are clenched, as providing a non-metallic surface for the passage of the edges of the slider.
Patent GB-1300625-A (GB)
Title: Improvements in or relating to vehicles of the type having a deposable ramp
Inventor: GEHLEN HERMANN WALTER
IPC: E01D15/22
Filed: 1970-04-10
Abstract: 1300625 Amphibious vehicles H W GEHLEN 10 April 1970 [12 April 1969] 17108/70 Heading B7A [Also in Divisions B8 and E1] A vehicle with a body 1 and wheels 2 which may be amphibious has a detachable ramp 4 in foldable parts 5, 6 and ground engaging ramps 9, 10. The part 6 in the position of Fig. 1 is connected to the ramp 9 at a central point 13 and at transversely spaced parts 14. Actuation of hydraulic cylinders 8, 12 moves the ramp 4 to the position of Fig. 4 during which movements the points 14 become detached. The ramp 4 can now be fully detached and the vehicle is capable of being used independently as a transport vehicle, bridge vehicle or if amphibious as part of a floating bridge or as a ferry.
Patent GB-313052-A (GB)
Title: Porous rubber for filtering and absorbing purposes
IPC: B01J20/22
Filed: 1929-06-04
Abstract: 313,052. Beckmann, H. June 5, 1928, [Convention date]. Diaphragms.-Porous rubber in the form of powder or granules is used for diaphragms for electric batteries. The rubber 'used may be prepared as described in Specification 240,430, [Class 70, Indiarubber &c.]. Compressed layers of the rubber may be used. Other porous or non-porous material may be added to the rubber as a diluent.
Patent GB-828475-A (GB)
Title: Washing apparatus
Inventor: OLSEN ARNE JORGEN CARL
IPC: B08B9/093
Filed: 1957-05-30
Abstract: 828,475. Washing hollow vessels. DISTIL. LERS CO. Ltd. May 19, 1958 [May 30, 1957], No. 17135/57. Class 138(1). An apparatus for internally washing a closable vessel 4 comprises a cover plate 1 attached to an arm 5 pivoted at 6 on the outside of the vessel, a pipe 10 attached to the arm 5 and passing through the cover plate 1 to enable washing fluid to be delivered into the vessel 4 while it is closed by the cover plate 1, a rotor injector 15 attached to the pipe 10 for directing the fluid and a double acting piston-operated power cylinder 18 for moving the arm 5 and the cover plate 1 having a flange 2 covered with rubber where it contacts the vessel 4. A slidable counterweight 9 is so mounted on the arm 5 of steel bars 5A and 5B that it offsets the weight at the coverplate end in such a manner that the arm 5 is moved by a comparatively small force to seat the cover plate 1 firmly in the vent. An initial fluid supply pipe 14 of steel is connected through a valve 13 and rubber hose 12 to the pipe 10 passing through the cover plate 1 substantially at right angles to it and the arm 5. Pivotably attached at 21 to the arm 5 by a bracket 22 is the piston rod 20 in the cylinder 18, attached by the pivot 19 to the rib 8 and operated by valves 25, 26, (controllable distantly), and vents 27, 28, fitted in air leads 23, 24, or operating hydraulically, acting to lower or raise the cover plate 1, upon the lowering of which fluid is pumped through the piping and injector 15, operated by the air motor 16, having an air-supply pipe 17.
Patent GB-655494-A (GB)
Title: Improvements in or relating to release apparatus for load supports
IPC: B64D17/38
Filed: 1948-06-25
Abstract: 655,494. Hooks. FRIEDER, L. P. June 25, 1948, No. 17142. Convention date, June 28. 1947. [Class 89(ii)] [Also in Groups XXI and XXXIII] Relates to suspending loads from parachutes and comprises means for releasing the load when supported by the ground or, in a modification, at a predetermined time after the parachute assumes the support of the load. Sister hooks 56, Fig: 2, are slotted at 58 to engage a pivot 54 mounted in the bifurcated upper end of a sleeve 24, and engage the ring 21 by which the device is supported. When the load comes on the hooks they move upwards in the casing 23, as far as the slots 58 permit, stressing attached springs 72. Tails 59 on the hooks slide on the wall of the casing and maintain them closed. The casing is flanged at 31 for clamping between a screw plug 36, carrying the load supporting eye 20, and the bifurcated end 29 of an extension 27 screwed on to a dashpot cylinder 37 so as to clamp a flanged sealing diaphragm 32 between sleeves 36 and 33. Expansion of the oil 38 under temperature rise is provided for by a chamber 41 closed by a diaphragm 42 the flexibility of which is increased by dishing and provision of one or more corrugations. In a modification the chamber is filled by a closed hollow member with the cylindrical part transversely corrugated. The lower end of the sleeve 24 is threaded to receive the ends of a crosshead on a ram 51 and passing through the slits in the end of the extension 27. The crosshead is locked by a grub screw 71. The ram carries a piston 43 ported at 63 for a ball valve 66 adjustable by a screw plug 67 having a longitudinal groove to pass oil to the interior of the ram whence it can pass at 65a to the annular space surrounding the ram. The end of the piston is formed with cutting edges 47, 45, Fig. 7, that coact with the sleeve 36 to shear a disc 46, Fig. 8, from the diaphragm 32, cut and deformed at 48, to pass the oil and move in the cylinder without jamming or scoring the wall. When the tails 59 pass out of the casing 23 the hook is held closed by the weight of the load until this grounds when the springs 72 open the hook and the sides 75 of the tails close the mouths of the sister hooks to prevent accidental reengagement with the ring 21. In a modification the hooks are shaped as shown in Fig. 15, a centre-hook 82 being pivoted between two outer hooks 81. There are no springs and the hook opens as soon as the tails 83 slide out of the casing. The sealing diaphragm and the cutting edges on the piston are also modified but a ball valve though not shown is preferably provided.
Patent GB-465386-A (GB)
Title: Improvements in bridged open work frames as lamp shades or the like and methods of making the same
IPC: F21V1/26
Filed: 1936-06-19
Abstract: <PICT:0465386/IV/1> Thin open frames having openings of at least one inch at their greatest width, particularly frames for lampshades, are dipped into a liquid self-hardening composition bath, and are slowly withdrawn in an upright position with the bath maintained quiescent so as to bridge the frames.  The composition is of such high viscosity and drying quality that the film formed in each frame begins to dry substantially as withdrawn from the bath.  The atmosphere above the bath is maintained substantially free of concentrated solvent vapours.  When conoidal lampshade frames are being dipped, the frame must be withdrawn from the bath in the inverted position as shown in the Figure, so that the drippings which flow from the wires 37 do not tear the film as it is produced. Examples are given of suitable compositions for bridging frames having a maximum width of one to six inches.
Patent GB-1489036-A (GB)
Title: Process for the continuous preparation of percarboxylic acids in organic solution
IPC: C07C409/26
Filed: 1976-04-28
Abstract: 1489036 Percarboxylic acid production BAYER AG and DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT 28 April 1976 [30 April 1975] 17177/76 Heading C2C A percarboxylic acid in organic solution is produced in continuous manner by reacting an aqueous H 2 O 2  with a carboxylic acid in the presence of a water-soluble acid catalyst; extracting the resulting reaction mixture with an organic solvent, distilling the aqueous raffinate together with fresh H 2 O 2  under reduced pressure to remove water therefrom and returning the concentrate obtained from the distillation into the reaction. The percarboxylic acid is preferably made from a C 1-4  acid, e.g. propionic, with H 2 SO 4  as catalyst at 10-70 C. with an aqueous H 2 O 2  : carboxylic acid ratio of 0À5 to 30 : 1. The organic extractant may be a chlorinated hydrocarbon or an aromatic such as benzene. The distillation is preferably performed at 10-250 mm. Hg. and 60-85 C. in a thin layer evaporator or falling flow evaporator so that 50-75% of the H 2 O 2  consumed in the reaction is present.
Patent GB-1085467-A (GB)
Title: An arrangement for limiting excess currents
IPC: H02H9/02
Filed: 1965-04-23
Abstract: 1,085,467. Transmission and distribution networks. LICENTIA PATENT VERWALTUNGS G.m.b.H. April 23, 1965 [April 24, 1964], No. 17205/65. Addition to 1,085,465. Heading H2H. In an excess current protective arrangement of the type described in Specification 1,085,466, for use in a connecting link between two A.C. power networks, the saturable reactor associated with the capacitive reactance is pre-magnetized by current flowing in the link so that an excess current causes immediate saturation of the reactor to render the protective arrangement effective without delay.
Patent GB-1339396-A (GB)
Title: System for detecting alteral shift of a moving web
IPC: G11B15/60
Filed: 1972-04-14
Abstract: 1339396 Detecting lateral shift of moving web INTERNATIONAL BUSINESS MACHINES CORP 14 April 1972 [26 May 1971] 17255/72 Heading G4H [Also in Division G3] To detect lateral shift of a moving web from a predetermined position, the web carries two series of reference line marks, the lines of one series being at an angle with respect to the lines of the other, and the time interval between detection of a mark from one series and an associated mark from the other series is measured. As shown in Fig. 1, respective arms of V- shaped marks on a magnetic recording tape 10 are detected at 12, 14 any depature from coincidence resulting in an error signal to control air pressure jets 18, 20 for correcting the position of the tape. A variable delay (42), Fig. 3, not shown, may be inserted in one detector channel for assessing different tracks on the tape. In Fig. 4, the time interval is measured by counting clock pulses from oscillator 56, logic circuits 50 and 58 determining the direction of count and ensuring that the counting period lasts for at least one clock cycle. Modifications.-Only one detector is needed in an arrangement in which the reference marks alternate on one track. Pneumatic, optical or sonic sensors may be used with appropriate marks or perforations in the web.
Patent GB-456716-A (GB)
Title: Improved methods for fixing jewels in settings
IPC: A44C17/04
Filed: 1936-03-09
Abstract: 456,716. Jewellery. DAVIS, H. T. C., and DAVIES, T. A., 59A, Carlton Hill, St. John's Wood, London. March 9, 1936, No. 17274. Divided out of 453,491, [Group XVIII]. [Class 43] [See also Group XXII] In mounting a stone in a foundation of plastic material, metal, or alloy, the recess in the mould is so formed that the base of the stone K (or, in the case of a fully formed stone, its widest part) does not project above the surface of the mould, the upper perimeter of the recess being provided with a dished sinking L of wedge-shaped cross section, sinkings radial to the recess, sinkings forming parts of spheres, spheroids or ellipsoids, or a combination of the dished sinking and deeper radial sinkings, so producing in the finished article correspondingly shaped parts which secure the stone in the foundation. The sinkings may be plain or ornamental. Specification 377,621 is referred to.
Patent GB-1486957-A (GB)
Title: Process and plant for vulcanizing a continuous length of curable material
IPC: B29C48/00
Filed: 1975-04-25
Abstract: 1486957 Vulcanizing continuous lengths OFFICINE TERMOMECCANICHE SUCCESSORI CARELLO SpA 25 April 1975 [26 April 1974] 17282/75 Heading C3E A continuous length of curable material is vulcanized by a process in which the material is subjected to both a predetermined fluid pressure and the action of a heat exchange liquid at a predetermined temperature whilst being advanced in a continuous manner along an elongate conduit, which defines a vulcanization chamber and is provided with inlet and outlet means to allow passage of said material through said chamber in a fluid-tight manner; said elongate conduit comprising a first region consisting in a first portion of a circuit, along which said heat exchange liquid is force fed after having been heated to said predetermined temperature in a second portion of said circuit, and a further region which communicates with said first region and is arranged so as to be not invaded by said liquid when the same is received in said first region, and in which said inlet and outlet means are provided. The process may be carried out in the plant shown in Fig. 1, said plant comprising an extruder assembly 1 for extruding a sheath of curable material on a cable 3. The coated cable passes through vulcanization apparatus 20 comprising chamber 21 defined in the interior of pipe 22, which is provided with extension 12, connected by conduit 13 to compressed gas distributer 14. The circuit for the heat-exchange liquid comprises pipe 22, and V-shaped conduit 28 with central portion 29 containing pump 31, said pump being connected to injection device 33 arranged to allow liquid, e.g. a eutectic mixture of inorganic salts, to penetrate into the interior of pipe 22. The cable, after passage through pipe 22, is wound round drum 7a of cooling tank 7 and passed through washing tank 5 to drum 6. End portions 26 and 27 of pipe 28 ensure insulation of the inlet end 23 and outlet end 25 of pipe 22 from the heat exchange liquid, which falls into said end portions. Further details are illustrated in Fig. 2 (not shown) in which a different cooling system is also described and in Fig. 3 (not shown) there is described a plant in which the heat-exchange liquid is fed through a plurality of nozzles into the vulcanization chamber.
Patent GB-1463047-A (GB)
Title: Heat exchanger
IPC: F28F3/02
Filed: 1975-04-25
Abstract: 1463047 Heat exchangers NIPPONDENSO CO Ltd 25 April 1975 [10 May 1974] 17291/75 Heading F4S A heat exchanger comprises a turbulating fin element 1 in a fluid passage in contact with the walls 4, 5 thereof, the fin element comprising a sheet (e.g. of brass or aluminium) having rows (e.g. I, II, III, IV) of slits formed therein, the sheet material between the slits of each row being displaced to one side of the plane 1c of the sheet to form projections 1a inclined at an angle # (e.g. 35 degrees) to the line of the row and arranged in groups in which all the projections of a group are similarly inclined, the projections of adjacent groups in any one row being inclined in different directions, and the projections of adjacent groups belonging to different rows being inclined in the same direction. As shown, each projection 1a comprises a top portion 1b which is parallel to the plane of the sheet, and side portions 1d inclined thereto at an angle α (e.g. 80 degrees) and connecting the top portion 1b of the projection to that part which lies in the plane 1c of the sheet.
Patent GB-293854-A (GB)
Title: Improvements in or relating to mercury arc rectifiers
IPC: H01J13/48
Filed: 1928-06-14
Abstract: 293,854. Metropolitan-Vickers Electrical Co., Ltd., (Assignees of Shand, E. B.). July 14, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Low-pressure metallic-vapour apparatus. - A mercury-vapour rectifier is provided with a stationary exciting electrode and a movable starting-electrode, so arranged that the arc is struck by the starting-electrode and then transferred to the exciting electrode. The exciting electrode 6 is of steel and is carried on a steel tube 7 passing air-tight through the sealed lid 8 of an exhausted tank 1 containing the working anode 2 and the mercury cathode 3. The starting electrode 4 is carried on a rod 5 passing through the tube 7 and carrying an armature 12 which is attracted by a solenoid 13 to cause the electrode 4 to dip into the mercury 3. The solenoid is in parallel with the electrode 4 so as to be short-circuited when the electrode makes contact with the mercury, whereon a spring 11 raises the electrode and strikes the arc. The electrode 4 is then withdrawn inside of the electrode 6, and the arc is transferred to the rounded edge of the latter. The solenoid 13 and the electrodes 3, 4 are supplied with current from the main circuit through a transformer 28 and rectifying devices 30. -
Patent GB-1269195-A (GB)
Title: A process for the separation of acrylonitrile and acetonitrile
Inventor: BITNERS FELIKS
IPC: B01D3/00
Filed: 1970-04-13
Abstract: 1,269,195. Separating acrylonitrile. ERDOLCHEMIE G.m.b.H. and FARBENFABRIKEN BAYER A.G. 13 April, 1970 [24 April, 1969], No. 17350/70. Heading B1L. [Also in Division C2] A process for recovering acrylonitrile from a gaseous mixture obtained by the catalytic oxidation of propylene in the presence of ammonia and comprising acrylonitrile, hydrocyanic acid, acetonitrile, propionic acid nitrile, water and at least one inert gas comprises passing the aqueous solution obtained by washing out the gaseous mixture in a scrubber to a multi-plate stripping column; wherein water at a temperature of from 15‹C, to 75‹C is supplied to the top of the stripper column so that substantially acetonitrile only is washed out of the gaseous mixture ascending the column whilst acrylonitrile, hydrocyanic acid and propionitrile are withdrawn at the top of the column; wherein a portion of the water together with all the acetonitrile is removed as .a subsidiary stream from the lower part of the stripper column in the region of the 12th to 25th plate; and wherein this subsidiary stream is supplied as the wash water to the top of the scrubber, the acetonitrile contained in this water is driven off at the top of the scrubber by the gas which is substantially free from acrylonitrile, and the remaining water is removed at the sump of the column and, after it has been cooled to from 15‹C to 75‹C the remaining water is completely or partly returned to the top of the stripper column. At least part of the mixture of water and acetonitrile may be removed as a subsidiary stream to a distillation column, wherein the acetonitrile is freed from the mixture and withdrawn from the top of the distillation column and the sump discharge from the distillation column is carried to the top of the wash column, wherein any remaining mixture of acetonitrile and water is also conveyed to the top of the wash column and the acetonitrile is substantially driven off from the wash water by the reaction gases flowing through the column, and wherein the reaction gas entering at the bottom of the wash column is washed by the wash water which has been freed from most of the acetonitrile and which enters the wash column at the top.
Patent GB-1578475-A (GB)
Title: Time-compression systems
IPC: A61B5/336
Filed: 1977-04-26
Abstract: The system has a device for taking a regular succession of samples from the signal waveform. A device reads the sample values into storage at a given speed for a fixed period and another device reads the values out of storage during the last part only of the fixed period and at a proportionally increased rate. The waveform presented to the system is an analogue waveform, and the values read out from the store are re-converted to analogue form in presenting the result. - The access store uses a number of store locations, which corresp. in to the number of data bits. The locations are connected to the main store at the first count of the time-compression sequence and when all the locations are connected, the timing sequence is completed. The arrangement which connects the access stores into the main store consists of an address counter to designate the corresp. locations. A unit generates the first time signal to increment the write address counter and connect the data bits into the corresp. store locations.
Patent GB-405870-A (GB)
Title: Improved pressure-reducing valve for breathing devices used for high altitudes
IPC: A62B9/02
Filed: 1933-06-19
Abstract: 405,870. Pressure-regulating valves. DEUTSCHE GASGLUHLICHT-AUER-GES., 16 Rotherstrasse, Berlin. June 19, 1933, No. 17476. Convention date, June 22, 1932. [Class 135.] A pressure-regulating valve for breathing devices used for high altitudes is automatically controlled by a barometric device and is adapted to receive gas under high pressure and deliver gas under low pressure directly to the consumer. In the form shown in the Fig. the gas inlet conduit a leads to a passage c arranged at right angles to the passage a and terminating in a seat for the valve c<1>. The gas outlet is connected to the nozzle k. The valve c<1> is actuated by a diaphragm d adjustably loaded by a spring g acting through an abutment f and square spindle e. The compression of the spring g is automatically adjusted by a barometric capsule or series of capsules resting against a fixed abutment and containing gas preferably at a pressure of at least one pound absolute when the surroundings are at normal atmospheric pressure.
Patent GB-231065-A (GB)
Title: Improvements in or relating to braiding machines
IPC: D04C3/00
Filed: 1924-07-22
Abstract: 231,065. Chace, J. B. July 22, 1924. Braiding-machines.-In a braiding- machine of the kind in which bobbin carriers are guided in sinuous grooves in a track plate, each carrier is provided with a main runner sliding in the grooves and a number of auxiliary guiding means engaging the grooves fore and aft of the main runner. In the construction shown the main runner 45 is of rectangular section and of a depth less than the depth of the grooves 6, the auxiliary guiding means comprising two studs 33, 34 of a length equal to the depth of the grooves. The studs may be provided with rollers 46. The upper portion of each groove is widened at sharp bends to accommodate the main runner 45. The bobbin spindle 31 is arranged in axial alignment with the rear stud 34 to permit the use of a large bobbin. The rotation of the bobbin is controlled by a pawl 37 engaging a ratchet 38 and mounted on the lower end of a wire rod 39, the upper end of which slidably embraces a vertical standard 41 above a sliding tension weight 42 operated by the yarn y.