baber/WOPTO huggingface dataset:
Patent GB-1073288-A (GB)
Title: Aminoacetonitriles, their preparation and compositions containing them
IPC: C07K5/04
Filed: 1965-04-22
Abstract: The invention comprises N-(acyl-amino-acyl)-aminoacetonitriles of the general formula R1.CO.NH.R.CO.NH.CH2CN wherein HN.R.CO is the basic structure of amino-acids H2N.R.COOH and R1 is a straight or branched chain alkyl, aryl or aralkyl group and a process for the preparation thereof by reacting an N-amino-acyl-aminoacetonitrile with an acylating agent, e.g. an acid halide or anhydride.  The starting N-amino-acylaminoacetonitrile may be obtained by reacting aminoacetonitrile with a phthaloyl-amino-acid to form N-phthaloyl-amino-acyl-aminoacetonitrile, which is reacted with hydrazine or a derivative thereof.  Pharmaceutical compositions having liver protecting activity and containing compounds of the above formula are administered orally as tablets, pills, capsules, cachets, powder, syrups, and elixirs, by injection in sterile solution or suspension, or as a suppository.
Patent GB-1293713-A (GB)
Title: Engine spark timing control system
IPC: F02P5/10
Filed: 1971-05-26
Abstract: 1293713 Timing ignition FORD MOTOR CO Ltd 26 May 1971 [3 Aug 1970] 17203/71 Heading F1B A spark timing control system comprises a carburetter 10 having an induction passage 18 containing a spark port 28 located above the idle speed position of a throttle valve 26 controlling flow through the passage and subject to the depression in the carburetter as a function of the movement of the throttle valve from its idle speed position, an engine distributer having a breaker plate 12 pivotally movable in opposite directions to advance and retard the spark timing, an engine manifold vacuum port 30, first vacuum controlled servo means 14 connected to the breaker plate for moving the same and slow fast flow-rate control means between the spark port and servo means to control the rate of change of application of vacuum from the spark port to the servo means. The control means includes flow restriction means 78 operable in response to light accelerations indicated by gradual vacuum level increases at the spark port occasioned by gradual throttle valve openings for slowly applying the vacuum increase to the servo means to slowly advance the engine spark timing, the flow restriction means also being operable in response to engine deceleration conditions indicated by a decaying vacuum level at the spark port occasioned by closing throttle movements for delaying the decay of vacuum at the servo means to slowly lower the engine spark timing advance setting. Second vacuum controlled means 62 is operable in response to sudden accelerations indicated by a rapid decay of spark port and manifold vacuums occasioned by fast throttle openings to quickly decay the servo means vacuum to quickly lower the spark timing advance setting to minimize detonation. Specification 1293288 is referred to.
Patent GB-319046-A (GB)
Title: Improvements in or relating to switching mechanism for automatic or semi-automatic telephone systems
IPC: H01H67/06
Filed: 1928-06-14
Abstract: 319,046. Standard Telephones & Cables, Ltd., (Schreiber, L. J. J.). June 14, 1928. Automatic exchange selectors.-In a selector having selectable, sets of brushes, the brush carriage is detachably mounted on the driving spindle. The brush carriage D is a diecast frame which is radially slotted to engage the spindle A, a pin N on the spindle engaging a vertical slot in the frame. Rings G, L, adjustably fixed to the spindle have projecting rings F to engage grooves in the carriage D to centre it. The ring G which carries the commutator J is adjusted on the spindle so that when the carriage is positioned thereby the brushes are in alignment with the terminal banks. When the carriage is in position, the ring L is pushed down thereon and the ring and the pin N are clamped by grub screws M, P. The spindle A rotates in self-aligning bearings.
Patent GB-1430522-A (GB)
Title: N-substituted aspartyl peptide amides
IPC: A61K38/00
Filed: 1974-04-19
Abstract: 1430522 N-Substituted aspartyl di-, tri- and tetrapeptide amides G D SEARLE & CO 19 April 1974 [20 April 1973] 17257/74 Heading C3H Peptides (I) where X = hydrogen, t-butoxycarbonyl, Y = tryptophyl, n=0 or 1, Q=hydrogen, cyclohexyl, phenyl, phenoxy, halophenyl, furyl or indoyl, Alk=alkene group of 2-7 carbon atoms optionally cyclized within itself or with Q, are prepared by coupling an aspartic acid amide with an N-protected methionyl active ester (the 2,4,5-trichlorophenylester is preferred), removing the N-protecting group with a suitable acid (trifluoroacetic and hydrochloric acids are specified) which yields which is then coupled with an N-protected tryptophan active ester, optionally followed by removal of the protective group as above. Alkylene groups specified are ethylene, propylene, 1,1-dimethylethylene, 1,4-dimethylpentamethyiene and 1-methylhexamethylene whilst fluoro-, chloro- and bromophenyl are specified halophenyl groups. Specified amines, represented by Q-Alk-NH- are 5-methyl-2- aminohexane, 2 - aminoheptane, 1 - methylphenethylamine, 1 -methylphenoxyethylamine, 1,1 - dimethylphenethylamine, 1 - methyl - 4<SP>1</SP>- flurophenethylamine, 1 - methyl - 2 - (2 - furyl)- ethylamine, tryptamine, 1 - methyl - 2 - cyclohexylethyl-amine, indanylamine and 2-phenylcyclopropylamine. Pharmaceutical compositions comprise peptides (I) and a suitable carrier in the form of dusts, solutions, sprays suspensions or ointments for use as disinfectants inhibit the growth of protozoa, fungi and algae. Peptides (I) also inhibit gastric acid secretion induced by the administration of pentagastrin.
Patent GB-877409-A (GB)
Title: Improvements in or relating to hot pressing processes
Inventor: AMSTEIN EDMUND HOLLIS
IPC: C04B33/32
Filed: 1956-08-23
Abstract: 877,409. Powder metallurgy. BRITISH ALUMINIUM CO. Ltd. Aug. 19, 1957 [Aug. 23, 1956], No. 17295/61. Divided out of 877,408. Class 82(1) A powdered boride, diboride or carbide of a transition element in Group IV, V or VI of the Periodic System (i.e. Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W) is hot pressed in a graphite die, the surface of the die cavity being coated with a film of a carbide of one of said transition elements. The coating is preferably of titanium carbide and may be applied by the methods disclosed in Specification 877,408. Reference is made to the hot pressing of titanium diboride to the shape of a rod in die 9 having a coating 27, using a maximum temperature of 2050‹C., and a maximum pressure of 1 t.s.i. being applied to plungers 28.
Patent GB-631900-A (GB)
Title: Improvements in or relating to leg-rest supports
IPC: A61G7/075
Filed: 1947-07-01
Abstract: 631,900. Bed-rests. ANDREWS, M. B. July 1, 1947. No. 17298. [Class 52 (ii)] A device for positioning a pillow beneath the knees of an invalid in bed comprises two straps 1, connected together by cross members 2, 3 the straps being looped around the pillow the ends passing through slits 4 and being secured to the bed.
Patent GB-586394-A (GB)
Title: Reinforced concrete construction
IPC: E04C3/294
Filed: 1944-09-11
Abstract: 586,394. Reinforced concrete beams. KILNER, G., and TWISTEEL REINFORCEMENT, Ltd. Sept. 11, 1944, No. 17331. [Class 20 (iv)] A pre-formed reinforced concrete beam, e.g., for floors and roofs comprises a framework formed exclusively of rods or wires having its top portion embedded in a thin concrete slab and the remainder projecting below, The'framework may be formed of galvanized steel wires welded together in the flat and afterwards bent as shown in Fig. 2, where it comprises upper and lower longitudinal members 1, 4 and transverse members 2, 3. The edges of the slabs 5 taper so as to provide grouting channels between adjacent beams. A modification is shown in Fig. 5 in which diagonal members 10 connect lower reinforcements 9 with the embedded reinforcements 7, 8.
Patent GB-596428-A (GB)
Title: Improvements in and relating to targets for cathode ray tubes and the like
IPC: H01J29/14
Filed: 1944-09-11
Abstract: 596,428. Cathode-ray tubes. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Sept. 11, 1944, No. 17350. Convention date, Nov. 28, 1942. [Class 39 (i)] A target for a cathode-ray tube comprises a layer 10, Fig. 1, which.develops colour centres when bombarded by a beam of energy such as an electron beam, and a luminescent screen 12, which are bombarded substantially simultaneously by the said beam of energy, the emission band of the screen 12 being substantially outside the absorption band of the colour centres, in combination with a luminescent light source formed by a second luminescent screen 11 excited by a light source 3 and having an emission band substantially overlapping the absorption band of the colour centres, such that a bright trace and a dark trace of longer persistence than the bright trace are produced providing increased contrast between newlyexcited and previously-excited areas of the target. The layer 10 is of one or more crystals, preferably potassium chloride or magnesium oxide. The composite target 10, 11, 12 is mounted on a sheet of glass (not shown) away from a window 2, or may be deposited directly thereon, and a second window 6 is provided for viewing purposes ; the trace, which may result from a circular, radial or rectangular scan may be viewed by transmitted or reflected light. The screens 11, 12 are preferably formed by settling the materials through a liquid suspension, and the layer 10 is deposited on the layer 12 by vaporization. The screen 11 is excited by ultra-violet light from the source 3, which may be a low-pressure or medium-pressure mercury vapour lamp. The material of the screen 12 is chosen to have a low phosphorescent persistence ; a barrier layer of sodium or potassium silicate, mica, or glass, Fig. 3 (not shown), may be provided between the screens 11, 12 to prevent electrons penetrating to the layer 11 and to absorb ultraviolet light from the source 3 and so to prevent it exciting the screen 12. Alternatively the screens 11, 12 may be made relatively thick and the barrier layer dispensed with. The emission band of the screen 11 is preferably outside the absorption band of the screen 12. Suitable materials for the screens 11, 12 are manganese activated alpha zinc silicate, silver or copper activated zinc cadmium sulphide, manganese activated alpha-Zn2GeO4, ZnBeSiO4 or CdB2O4, silver activated ZnS with or without the addition of ZnSe, or MgWO4.
Patent GB-732451-A (GB)
Title: A machine for use in the manufacture of sanitary towels
IPC: A61F13/15
Filed: 1952-07-09
Abstract: 732,451. Catamenial appliances. ROBINSON & SONS, Ltd., and GILLIBRAND, C. G. July 2, 1953 [July 9, 1952], No. 17357/52. Class 81 (2). In an appliance for attaching loops to sanitary napkins, a tubular length of fabric 5 is fed intermittently downwards over a mandrel 6 and short lengths are severed by shears 8, so that.they drop over two upstanding fingers 9, only one of which is visible in the drawing. The fingers are drawn apart by a cam, to open out the ring, as the finger assembly is rotated about an axle 10, until the ring is held, at 28, adjacent to the end of a napkin 27. A spring loaded pawl holds the ring in the inclined position shown while a plate 13, pivoted on an axis 14, pushes the end tab through the ring, where it is held between a presser lever 23 and a plate 15. A needle 22, mounted on a frame 16, is then lowered and a hook on it engages the upper side of the ring and thrusts it through the fabric, as the fingers hitherto carrying it, are withdrawn, so that it is drawn tight. The towels are fed forward intermittently on a conveyor and the looping equipment is duplicated at the ends of each towel.
Patent GB-1157715-A (GB)
Title: Improvements in or relating to Resonance Base Bridges for Stringed Keyboard Musical Instruments
Inventor: PFEIFFER HELMUT
Filed: 1967-04-17
Abstract: 1,157,715. Resonance base bridges for pianos. H. PFEIFFER. 17 April, 1967, No. 17429/67. Heading G5J. In a resonance base bridge for a piano, each string is guided across the respective heads of two pins extending perpendicularly to the resonance base, and a rib on the underside of a pressure bar between the pin heads bends the string. As shown in Fig. 1, a string 10 passes over the hemispherical heads 11 of pins 6, and rib 5 under pressure bar 3 bends the string under the action of tensioning screw 4. The pins 6 transmit vibrations perpendicularly to the base 1, and pin head 11 may be of a different metal from the shank or may be of synthetic material. In another embodiment (Fig. 2, not shown), the string lies in a transverse groove (9) in a supporting strip (8) secured to bridge (2) by frusto-conical headed pins (6). Strip (8) may be of a different metal from pins (6) or may be of synthetic material.
Patent GB-718561-A (GB)
Title: Improvements relating to sleeved garments
IPC: A41D27/10
Filed: 1952-07-10
Abstract: 718,561. Garment sleeves; ventilating garments. VOELKEL, R., and VOELKEL, W. July 10, 1952 [Aug. 22, 1951; March 18, 1952], No. 17445/52. Class 141 In garments having inset sleeves fitted relatively closely to the arm, an armpit gusset, which is exposed, occupies in the direction of its length, more than half the periphery of the armhole and is so wide, in the direction of the longitudinal seam 6 of the sleeve that, without stretching of the material it allows free raising of the arm without lifting of the body portion of the garment. The gusset may consist of two parts 2a, 2b which adjoin each other along a line extending in the direction of the sleeve, and these parts may be formed separately.of the sleeve or may comprise parts 11, Fig. 3, cut in one piece with the sleeve 10. The gussets may have air vents which can be formed in the seam adjoining the gusset parts, or can comprise in serted eyelets or punched holes
Patent GB-845974-A (GB)
Title: Improvements in or relating to swaging machines
IPC: B21J5/12
Filed: 1958-06-02
Abstract: 845,974. Swaging machines. APPEL PROCESS Ltd. June 2, 1958 [March 14, 1958], No. 17484/58. Class 83 (4). A swaging machine for forming external teeth on a workpiece 46 which is fed axially and rotated incrementally through radially acting dies 44 providing a die throat, has a forming ring 100 with internal teeth 101 enclosed by the die throat. The swaging machine is of the kind described in Specifications 797,518 and 768,834. The forming ring consists of segments 106 held together by side rings 108, Fig. 3 (not shown). A segmental finishing ring 112 may be disposed behind the forming ring with the segment divisions of the two rings circumferentially offset; the two rings are connected together by a driving pin 130, Fig. 8 (not shown). In other embodiments, Figs. 5-7 (not shown), the segments are divided along helical lines. The invention is used for forming both straight and helical teeth.
Patent GB-421421-A (GB)
Title: Process for the manufacture of azodyestuffs containing a heavy metal in a complex form
IPC: C09B45/14
Filed: 1933-06-20
Abstract: Complex metal compounds of monoazo dyes are made by treating a monoazo dye capable of yielding heavy metal complex compounds and containing 2:8 - dihydroxynaphthalene - 6 - sulphonic acid as coupling component with an agent yielding heavy metal.  In examples: (1) the dyestuff 2-aminophenol-4-sulphonic acid --> (lime) 2:8-dioxynaphthalene-6-sulphonic acid is treated with chromium fluoride in acetic acid (reddish-grey on wool); (2)--(4) similar dyestuffs are described using as diazo components 4 - chlor - 2 - aminophenol, 2 - amino - 4 - methyl - 1 - anisole - 5 - sulphonic acid, o - anisidine, 4-chloro- or 4-methyl-2-amino-1-anisole, 2-amino-1-anisole-4-sulpho acid and the copper compound of the dyestuff using 6 - nitro - 2 - aminophenol - 4 - sulpho acid. Chroming with chromium oxide and formic acid and coppering with copper sulphate is also described. Diazo components of the benzene and naphthalene series containing hydroxy, alkoxy and carboxylic acid groups in o-position to the amino group are specified in general.
Patent GB-354909-A (GB)
Title: Treating frosted glass articles
IPC: C03C23/00
Filed: 1930-06-06
Abstract: 354,909. Etching. HADDAN, R., 31, Bedford Street, Strand, London.-(Corning Glass Works ; Walnut Street, Corning, New York, U.S.A.) June 6, 1930, No. 17623. [Class 100 (ii).] In order to prevent mechanical weakening, due to " weathering," of glass articles after frosting by acid-etching, aluminium salts are added to the wash-water. The salt used may be aluminium sulphate, fluoride; or the simple aluminium salt of an aliphatic organic acid. The amount added varies with the degree of purity of the wash-water used. For water containing 10 parts per million of lime, 2 of magnesia and 6 of sulphuric anhydride, 100 parts of aluminium fluoride are added, but the quantity may be increased up to 750 parts of the aluminium salt per million.
Patent GB-1222660-A (GB)
Title: Shock absorber
Inventor: PEDDINGHAUS CARL ULLRICH
IPC: F16F9/06
Filed: 1968-04-11
Abstract: 1,222,660. Hydropneumatic shock absorbers. C. U. PEDDINGHAUS. 11 April, 1968 [15 April, 1967],No. 17651/68. Heading F2S. A hydropneumatic shock absorber consists of a cylinder 1 containing a gas chamber 10 and three intercommunicating liquid chambers 6, 7, 9 bounded by pistons 2 and 8. The operating piston 2 has a piston-rod 3 and damping ports 5 which may be controlled by valve discs (not shown), and the other piston 8 floats above it and contains open ports (not shown) which preferably are not aligned with the ports 5. In use the free piston 8 oscillates under hydrodynamic forces, and serves as a barrier between the turbulent flow region in chamber 6 adjacent piston 2 and the gas-contacting liquid in chamber 9, thereby preventing frothing. The gas chamber 10 may have its cylindrical walls indented (Fig. 3, not shown) so that excessive displacement of the piston 2 is limited by the engagement of piston 8 with the indentations, such engagement producing an hydraulic check on the movement of the main piston 2.
Patent GB-238680-A (GB)
Title: Improvements in or relating to dynamo-electric machines
IPC: H02K5/128
Filed: 1924-07-25
Abstract: 238,680. Cooper, T. L. R. July 25, 1924. Armatures and field magnets; cooling; insulation.-Dynamo-electric machines with their stator windings enclosed in a fluid-tight chamber have the chamber formed partly with a hard mouldable insulating material such as that known under the registered Trade Mark " Bakelite," thickly covering the back 11 of the stator laminµ as well as end coverings 10 and slot linings 9 of the same material. Each covering 10 is formed with a flange to which at one end the end enclosure 14 is jointed by an oil-proof ring 19, while the other end flange is enlarged, as at 15, for securing the end diaphragm 13. A thin layer 12 of the insulating material may be located on the inner edge of the laminµ. The tightening members 7 may be tubular to allow circulation of the insulating fluid. In another construction, Fig. 3 the parts 9, 20, 23, 24, 25 of the fluid-tight chamber are separately formed and secured together by the same material in plastic form which also fills the slot openings 21. Tie rods 22 pass through each slot opening and are secured to the parts 24, 25. A number of longitudinal keys 31 prevents rotation of the core in the frame 1. Longitudinal circulation passages are formed between the frame and core, and ducts may be formed in the core itself. The stator may be coated and wound before mounting it in the frame, and the rotor may be readily withdrawn. Further slot insulation and troughing is unnecessary. According to the Provisional Specification, the enclosures 13, 14, 18 may be made of the same material as the stator core covering.
Patent GB-437257-A (GB)
Title: Improvements in and relating to collars for personal wear
IPC: A41B3/06
Filed: 1935-06-20
Abstract: 437,257. Collar stiffeners. KASS, E., 86, Detmolderstrasse, Bielefeld, Germany. June '20, 1935, No. 17794. Convention date, March 28. [Class 141] A soft or semi-soft collar is provided at each end of the outer part b with a plate-like stiffening insertion a, the lower end of which is inserted in a pocket d on the inner side of the part b, and the upper end of which is bent over to form a flap g which is held against the collar band c by means of the usual necktie. Each insertion a may be secured to the collar top b by a spike or other suitable means, and the flaps g may be secured to the collar band c. In a modification, each flap g may be provided with an upturned portion to engage with the lower edge of the collar band c, and in a further modification, each flap g may have a forward extension provided with a stud hole for the insertion of a collar stud. The insertions a may be united to form a single body by extending the flaps g around the back of the collar.
Patent GB-1109593-A (GB)
Title: Radiation pyrometer system substantially independent of ambient temperature changes
IPC: G01J5/60
Filed: 1966-04-22
Abstract: 1,109,593. Photo-electric pyrometers. LEEDS & NORTHRUP CO. April 22, 1966 [April 28, 1965j, No.17825/66. Heading G1A. A pyrometer comprises a radiation-sensitive element having a cut-off frequency which varies with ambient temperature and a filter which is opaque in the region of variation of the cut-off frequency, the pyrometer being thereby rendered substantially independent of ambient temperature changes. Radiation from a target enters the pyrometer through a filter window 38 having a long wavelength cut-off of about 0À95 Á and is reflected on to a silicon p-n photo-voltaic cell 12 by a concave reflector 14. The overall sensitivity of the pyrometer is thus in a band centred on 0À65Á, well clear of the long wave cut-off of the cell 12 which varies from about 1À0 Á upwards. Instead of comprising window 38, the filter may be in the aperture 12, silvered to form the mirror 14 or formed into a lens in the optical system. A sighting eye-piece 33 is provided.
Patent GB-1484001-A (GB)
Title: Sheaves
IPC: B21H1/04
Filed: 1976-05-03
Abstract: 1484001 Rolling; making sheaves DON R HINDERLITER Inc 3 May 1976 [5 May 1975] 17955/76 Headings B3M and B3A A sheave having an annular peripheral groove for receiving a cable is formed from a flat metal disc which is clamped between holders 14 and 16 and then rolled (while its periphery is heated by gas flames) by a forming roller 54 (Fig. 10) having a profile corresponding to that of the finished groove. Additional rollers 76 limit the outward spread of the groove walls, and a further roller 80 (Fig. 2) finishes the outer edges of the groove walls and sizes the sheave. A starting roller similar to the forming roller may be initially used to form the groove. The initial disc has a central aperture for receiving the holders, or may be provided with a number of small fixing holes. A hub can be welded within the central aperture either before or after the rolling step.
Patent GB-180304-A (GB)
Abstract: 180,304. Bosch Akt.-Ges., R. May 17, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Transformers. - The ignition coil z, distributor V, interrupter U, and condenser K are arranged in one casing. The coil is placed uppermost and consists of two parts which are wound on the straight sides of a laminated framelike iron core c secured by screws e to the distributor disc s.