baber/WOPTO huggingface dataset:
Patent GB-874020-A (GB)
Title: Process of sizing cellulosic substances
IPC: D06M15/11
Filed: 1957-11-11
Abstract: For sizing cellulosic substances, use is made of starch derivatives of the formula:  <FORM:0874020/IV (a)/1> in which R1 and R2 are alkyl, substituted alkyl, alkene, aryl or aralkyl, or derivatives prepared by reacting starch, in contact with an alkaline catalyst, with (1) an amine of the formula:  <FORM:0874020/IV (a)/2> in which R3 is 2, 3-epoxy propyl or 3-halo- 2-hydroxy propyl and R1 and R2 are H, alkyl, substituted alkyl, alkene, aryl, aralkyl, 2, 3-epoxy propyl or 3-halo-2-hydroxy propyl, or N, R1 and R2 are joined to form a monoheterocyclic radical, or (2) a quaternary ammonium salt possessing the cation: <FORM:0874020/IV (a)/3> in which R4 is 2, 3-epoxy propyl or 3 3-halo-2-hydroxypropyl and R1, R2 and R3 are alkyl, substituted alkyl, alkene, aryl, aralkyl, 2, 3-epoxyproyl or 3-halo-2-hydroxypropyl, but if all three of R1, R2 and R3 are the same, they should each contain not more than 4 carbon atoms.  The starch derivatives of Formula I may be prepared by reacting starch with a substituted cyanamide in the presence of an alkaline catalyst. The starch derivative preferably has a D.S. of about 0,03-0,04. Specified starch derivatives are starch imino diallyl-carbamate and the reaction products of starch with: <FORM:0874020/IV (a)/4> in which R is -CH3 or -C2H5, and with morpholine-epichlorohydrin and cyclohexyl-amine-epichlorohydrin addition products.ALSO:Cellulosic textile materials, e.g. cotton, viscose rayon and cellulose acetate and blends thereof, are sized by contacting them with an aqueous medium containing a starch derivative of the formula:- <FORM:0874020/IV(c)/1> in which R1 and R2 are alkyl, substituted alkyl, alkene, aryl or aralkyl, or a starch derivative prepared by reacting together, in contact with an alkaline catalyst, starch and (1) an amine of the formula:-  <FORM:0874020/IV(c)/2> in which R3 is 2, 3-epoxypropyl or 3-halo-2-hydroxypropyl and R1 and R2 are H, alkyl, substituted alkyl, alkene, aryl, aralkyl, 2, 3-epoxypropyl or 3-halo-2-hydroxy propyl, or N, R1 and R2 are joined to form a monoheterocyclic radical, or (2) a quaternary ammonium salt possessing the cation:-  <FORM:0874020/IV(c)/3> in which R4 is 2, 3-epoxy propyl or 3-halo-2-hydroxy propyl and R1, R2 and R3 are alkyl, substituted alkyl, alkene, aryl, aralkyl, 2, 3-epoxy propyl or 3-halo-2-hydroxypropyl, but if all three of R1, R2 and R3 are the same, they should each contain not more than 4 carbon atoms.  The starch derivative, which preferably has a D.S of about 0,03-0,04, is preferably applied to the textile material as a slurry in unswollen granule form in cold water containing borax.  Specified starch derivatives are starch imino diallylcarbamate and the reaction products of starch with  <FORM:0874020/IV(c)/4> in which R is -CH3 or C2H5, and with morpholine-epichlorohydrin and cyclohexylamine-epichlorohydrin addition products.
Patent GB-204253-A (GB)
Title: Improvements in or relating to beds
IPC: A47C17/32
Filed: 1922-12-27
Abstract: 204,253. Korp, C. Dec. 27, 1922. Expanding bedsteads. - An auxiliary supporting surface may be placed to form an extension of the bed, or may be suspended beneath it by means of hangers sliding on transverse rails attached to the bedstead. At one end the transverse rails 3, which hook over the bed frame 2, are formed with projections 5; the T-headed hangers 11, 17 which support the auxiliary frame 10 pass through slots in the rails, and on extending the bed the inner hangers 11 occupy the end projections 5, and being pivoted may be reversed, permitting the frame 10 to be raised level with the bed surface. Legs 20, pivoted to the auxiliary frame, support its outer edge, and the frame carries hinged end and side pieces 15, 16 and a fixed side piece 23 to retain the bedding.
Patent GB-812620-A (GB)
Title: Improvements in or relating to circuits including ferro-electric capacitors
IPC: G11C11/22
Filed: 1956-11-19
Abstract: 812,620. Circuits employing bi-stable dielectric elements. WESTERN ELECTRIC CO. Inc. Nov. 19, 1956 [Nov. 21, 1955 ; Feb. 7, 1956], No. 35281/56. Class 40 (9). To improve the signal to noise ratio of a ferro-electric storage capacitor the capacitor is connected in series with a saturation diode in which reverse voltage has a breakdown threshold value. With a ferro-electric capacitor the amount of charge switched during the course of alternate spaced positive and negative pulsing decreases due to the growth of space charge within the dielectric. The growth of space charge is reduced if the voltage threshold of a silicon junction diode, or a gas diode is used to isolate the capacitor during the spaces between pulses. Single or double anode silicon junction diodes may be connected in series with the capacitor on either or both sides of the capacitor. With diodes on both sides of the capacitor a charge remains on the capacitor electrodes after pulsing and is said to further reduce the growth of space charge. It is also stated that the capacity of the diode or diodes connected in series with the capacitor causes the combination to simulate a more nearly rectangular hysteresis loop than the capacitor exhibits alone. The combination is also said to mask the effect of internal bias in the dielectric material of the capacitor such as occurs in guanidinium aluminium sulphate hexahydrate as described in Specification 810,451, [Group XXXVI]. In a storage matrix such as shown in Fig. 6, pulses are stored when a negative pulse from a source such as 70 coincides with a positive pulse from a source such as 88. The voltage of each pulse is insufficient to break down the saturation diodes such as 71, 81, but in coincidence break down the diodes and saturate capacitor 74. A large positive pulse from source 70 reads out capacitor 74 to produce an output across resistor 84. Unselected capacitors are protected from disturbing pulses by the voltage thresholds of the saturation diodes. In place of saturation diodes in series with each row and column wire, double anode saturation diodes may be placed in series with each capacitor connected between the intersection of a row and column wire. Specifications 717,104, [Group XIX], 812,619 and 812,621 also are referred to.
Patent GB-475311-A (GB)
Title: Improvements in and relating to electric circuit interrupters of the gas blast type
IPC: H01H33/98
Filed: 1936-12-23
Abstract: 475,311. Fusible-cut-outs. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 23, 1936, No. 35309. Convention date, Dec. 24, 1935. [Class 38 (i)] [Also in Group XXXVII] The Figure shows an expulsion fuse in which the element 4, with reduced part 4<1>, is connected at one end to a terminal ring 3 at the open end of the insulating cylinder 1, and at the other end to a terminal cap 2. A longitudinally-positioned arc-member 7 is secured to a number of radial fins 8 of conducting or insulating material, and of such length as to provide a dead region comprising gas spaces of appreciable volume. When the element ruptures at 4<1>, high pressure set up in that part of the cylinder ejects the remainder of the element. The arc tends to form between the terminals and member 7, with its sections separated by the dead region. The blast produced by the arc between 2, 7 drives the gas from the dead region across the other arcsection, and at the same time the ionized gas from the pressure-arc is cooled by the structure 6 and mixed with un-ionized gas before it traverses the other arc-gap. Specification 403,235, [Group XXXII], is referred to.
Patent GB-1200793-A (GB)
Title: An improved machine for winding yarn upon bobbins
IPC: B65H54/14
Filed: 1967-08-02
Abstract: 1,200,793. Screw - and - nut mechanism. LEESONA CORP. 2 Aug., 1967 [26 Aug., 1966], No. 35508/67. Heading F2Q. [Also in Division D1] A series of intermittent rotations of threaded rod 64 is used to cause rightward movement of an inter-engaging non-rotating half nut 76 and hollow shaft 17. On completion of a predetermined amount of rightward movement, the nut 76 is disengaged from the rod and a compression spring 65 pushes the nut 76 and hollow shaft 17 back to the left. The nut is pressed against the rod by spring 77. The nut is disengaged from the rod by rotating the hollow shaft 17. This shaft is half cut away to house the nut and the remaining half portion of the shaft pivots the nut about pin 75a so that it disengages the threaded rod, see also Fig. 6, not shown.
Patent GB-1170139-A (GB)
Title: Workpiece Feed Mechanism.
Inventor: GUILDFORD WILLIAM
IPC: B23B13/12
Filed: 1967-08-03
Abstract: 1,170,139. Work feeding devices. STEWARTS & LLOYDS Ltd. 23 July, 1968 [3 Aug., 1967], No. 35675/67. Heading B3B. A workpiece feed device comprises a tiltable gripping member in the form of a plate 2, tiltable about a pivot 3 and having an opening therein through which a workpiece 1 passes, fluid actuating means 6 connected to the plate the reciprocating movement thereof causing tilting and sliding of the plate in guides 5. The tilting of the plate effects frictional engagement between gripper blocks 7, located adjacent the plate opening, and the workpiece, which hence slides with the plate.
Patent GB-1329955-A (GB)
Title: Subscriver terminal-multiplex telecommunications systems
IPC: H04Q5/24
Filed: 1971-07-29
Abstract: 1329955 Party line system SIEMENS AG 29 July 1971 [31 July 1970] 35704/71 Heading H4K A single line pair serves two subscribers Tln1, Tln2 who are connected to a subscriber circuit TM and an exchange circuit AM is provided in the exchange to give a termination for each subscriber. In order to test the system from a central measuring station it is necessary to provide circuits AU, TU by-passing the exchange and subscriber circuits respectively. The by-pass circuit is arranged to be operated only when neither subscriber is busy. The individual subscribers instruments can be selected for testing by causing a break in the normally applied D.C. voltage or reversing the polarity of the applied D.C. voltage. In the arrangement shown relays A1, A2 in the exchange circuit are controlled by voltage detectors which effectively introduce a delay action so the relay contacts a1,a21 do not follow the voltage breaks caused by dialling pulses. The relay having contact b cannot be energized while either subscriber is busy. In the subscriber circuit, removal of the voltage on the line causes relays C and D to be energized by discharge of a capacitor and the polarized relay U is used to select which subscriber is to be tested.
Patent GB-522211-A (GB)
Title: Improvements relating to the actuation of switch mechanisms by automatic means such as floats
IPC: H01H36/02
Filed: 1938-12-07
Abstract: 522,211. Actuation of switches; partly magnetic switches. TRIST & CO., Ltd., R., and CHAMBERS, W. A. Dec. 7. 1938. Nos. 35721/38 and 10156/39. [Class 38 (v)] In a switch operable by variations of water level &c. a switch actuating member 5 that is adapted to press contact springs 14 into or out of engagement with fixed contacts is given a quick action by its comprising or carrying an armature 4 which when it approaches a magnet 9 is rapidly attracted towards it. In the form shown the switch is actuated by rise or fall of a float 1 in a steam boiler. This rotates a shaft 2 carrying a flexible blade 3 which carries the members 4, 5, rise of water level moving the member 5 to the left to open a circuit to the motor that drives the feed-water and also an indicating circuit. Fall of water level similarly operates contact springs on the right, opening one set of contacts to stop the stoker and closing an alarm circuit. The magnets 9 have the form of an interrupted annulus and the units comprising magnets and contacts may be adjusted along slots 23 arranged concentric to the axis 2. A spring clip of copper may be placed over the armature to prevent actual contact with the magnets.
Patent GB-513307-A (GB)
Title: Apparatus for storing and facilitating the examination of books, binders and the like
IPC: A47B19/04
Filed: 1937-12-28
Abstract: 513,307. Cabinets for books. LANGLEY, A. J. G. Dec. 28, 1937, Nos. 35889, 35890 and 35891. Void. Convention dates, Dec. 28, 1936, April 21, 1937, and Nov. 24, 1937. [Class 52 (i)] [Also in Group XV] A reference book 3 is mounted in a carrier 4 pivoted at its upper rear edge on a shaft 8 so that it can be lowered, against springs or a dashpot, into a receptacle fixed or swing- ably mounted on a wall. The rear plate 5 of the carrier covers the aperture through which the carrier moves and the back plate 6 is fitted with book-securing means.
Patent GB-1301104-A (GB)
Title: Improvements in or relating to closed-cycle heat engines
Inventor: MOTTRAM ANTHONY WILLIAM THOMAS
IPC: F02C7/143
Filed: 1969-07-17
Abstract: 1301104 Closed cycle heat engines; gas turbine engines ROLLS ROYCE Ltd 17 July 1970 [17 July 1969] 35983/69 Heading F1G A closed cycle heat engine comprises at least one fluidized bed having a first flow path comprising at least one conduit which is embedded in use in the particulate material of the bed and which is connected to receive working fluid exhausted by the engine, and a second flow path adapted to contain the particulate material of the bed and which is adapted to be supplied with a cooling gas so as to fluidize the particulate material. The closed cycle gas turbine plant shown in Fig. 1 comprises compressor 12, working fluid heater 18, a first turbine 20 which drives the compressor and a second turbine 24 which drives a useful load which may be the transmission of a vehicle. The working fluid discharging from the power turbine 24 passes through a coil 40 which is disposed within the particulate material 38 of a fluidized bed heat exchanger 32, cooling air being supplied by fan 46 to fluidize the bed, the air entering at 42 and discharging at 44. In Fig. 2 the heat exchanger comprises four elements 37a through which the working fluid flows in series through coils 40u and to which cooling air is supplied in four parallel paths entering at 42a and discharging at 44a; the particulate material is indicated at 38a. In Fig.3 (not shown) the heat exchanger again comprises four elements (37b) through which the working fluid flows in series through coils (40b) and through which the cooling air flows in series entering each section at (42b) and discharging therefrom at (44b). The cooling air discharging from the heat exchangers may be utilised to preheat the working fluid passing to the heater 18. The particulate material may be sand. The invention is also applicable in the case of Rankine cycle engines in which the fluidized bed acts as a condenser and to closed cycle piston engines.
Patent GB-442803-A (GB)
Title: Improvements in or relating to machines for wrapping sweets and the like
IPC: B65B51/00
Filed: 1934-12-15
Abstract: 442,803. Wrapping-machines. FORGROVE MACHINERY CO., Ltd., and GROVER, F., 432, Dewsbury Road, Leeds. Dec. 15, 1934, No. 36027. [Class 94 (i)] In machines of the kind in which the opposed ends of wrappers are twisted by rotary and reciprocating grippers, the amount of the reciprocatory movement is made variable. One pair of grippers a<1>, a<2> is shown in the Figure, carried on a spindle b mounted for rotary and axial movement in a bracket c. An elongated gear d is engaged by a gear d<1> on the main shaft e, which may be continuously rotated. The reciprocatory movement is imparted by a cam f on the shaft e actuating a follower f<1> on a bell-crank lever h pivoted at h<2>, and engaging a lever g with a forked end g<1> situated between flanges b<1> on the spindle b. The connection between the levers h, g is obtained by means of a pin h<5> passing through a crosshead g<4> mounted for lateral adjustment on an extension g<2> of the lever g by means of a screw g<5>. The pin h<5> also passes through a block h3 slidable in a channel h<4> in the arm h<1> of the lever h. In the position shown, the maximum movement is imparted to the lever g, by actuating the screw g<5> to move the crosshead to the left, the movement is reduced, and, when the crosshead coincides with the pivot h<2>,< >the lever g is not moved at all. In order to keep the opening movement of the jaws a<1>, a<2> constant, irrespective of the amount of the reciprocation of the spindle b, the lever i, for operating the rack rod j by which the jaws are opened, is mounted by a pivot il on the lever g. The lever i is connected to a link k pivoted at k<1> to a bell-crank lever m, the other end of which is operated by a cam n. The pivot k<1> is arranged to coincide approximately with the pivot g* of the lever g, so that the relationship of the lever i to the spindle b is not varied by the amount of reciprocation of the spindle. The bracket c can be adjusted by a screw to move the mechanism as a whole.
Patent GB-1429923-A (GB)
Title: Isoxazole derivatives and the production thereof
IPC: C07D261/00
Filed: 1974-08-15
Abstract: 1429923 Isoxazole derivatives SHIONOGI & CO Ltd 15 Aug 1974 [23 Aug 1973 (2)] 36032/74 Heading C2C Novel compounds I in which the hydroxy group on the piperidine ring is located at the 3 or 4 position, and acid addition salts thereof, are prepared by (a) heating 3-(1,2-epoxyethyl)-5-phenylisoxazole or 3-(1-hydroxy-2- active atom or groupsubstituted ethyl)-5-phenylisoxazole with 3- or 4-hydroxypiperidine, or (b) reducing 3-(3- or 4 - hydroxypiperidino) - acetyl - 5 - phenylisoxazole or 3-(3- or 4-ketopiperidino)-acetyl-5- phenylisoxazole, and optionally converting a resulting compound I to an acid addition salt thereof. Pharmaceutical compositions having analgesic and anti-inflammatory activity, for oral, parental or rectal administration, comprise a compound I or a pharmaceutically acceptable acid addition salt thereof together with a pharmaceutical carrier.
Patent GB-1273060-A (GB)
Title: Pneumatic tyres
Inventor: BARTHA ZOLTAN
IPC: B60C9/20
Filed: 1969-07-17
Abstract: 1,273,060. Pneumatic tyres. ORSZAGOS GUMIIPARI VALLALAT. 17 July, 1969, No. 36099/69. Heading B7C. A pneumatic tyre comprises a plurality of overlapping plies 4 extending from bead to bead with the cords in successive plies crossing each other at an acute angle to the mid-circumferential plane of the tyre, and at least one additional pair of plies 5 disposed between adjacent plies 4 in the region beneath the tread with the side edges of plies 5 lying within the width of the tread, the cords of plies 5 crossing each other. A breaker 6 and beadwrapping fabrics may be provided.
Patent GB-755861-A (GB)
Title: Improvements in or relating to internal combustion turbines
IPC: F23R3/46
Filed: 1953-12-30
Abstract: 755,861. Gas turbine jet propulsion plant. BENNETT, T. O. Dec. 30, 1953 [March 20, 1953], No. 36156/53. Addition to 665,109. Class 110(3) [Also in Group XII] An internal combustion turbine as claimed in the parent Specification has a double sided centrifugal compressor mounted on a hollow axle of the turbine which feeds a number of radially disposed combustion chambers through a manifold arranged around the compressor and one or more stop cocks, one inlnet of the compressor being fed through the axle and the other from a space around the axle from a rotary compressor in the turbine. An internal combustion turbine as claimed in the parent Specification has a compressor in the gear chamber which feeds air through a hollow axle 14 and through a space around the axle to the inlets 4, 4a of the double sided compressor 5. The air passing through the axle is deflected by the plate 2 through the apertures 3 into the inlet 4. The air flowing round the axle enters the inlet 4a through the orifices 22 and passage 23. The air discharged from the compressor 5 is discharged into a manifold 13 which has a dome 25 with a safety valve 26 to keep the pressure in the manifold at a desired value. Pipes 27 lead from the dome 25 to the intake manifold of the internal combustion turbine and to an air channel 28 surrounding the combustion chambers 29 which are disposed around the booster combustion chamber 86. Each of the combustion chambers 29 has a jacket through which air flows to. the holes 59. The air from the compressor 5 is supplied to the annular bell shaped member 37 through pipes 31 containing stop cocks 32 and roses 35 which may contain wire netting to spread out the air. Some of this air enters the jackets of the combustion chambers through ports 64 and the remainder passes through apertures 61, 63 in partitions in the bell shaped member into the combustion chamber. The booster chamber 86 receives air from the manifold 13 through a pipe 72 containing a stop cock 73. This air passes into a chamber 74 and from there passes through apertures 75 into a second chamber where it is divided. Part passes through apertures 77, 87 into the combustion chamber adjacent the burner 80 and the remainder passes through apertures 79 to an air jacket surrounding the combustion chamber. Part of the air from the channel 28 is mixed with the turbine exhaust gases passing through the passage 30 in an expansion chamber 50 which may be provided with one or more fuel injectors. The remaining air from the channel 28 passes through a jacket surrounding the expansion chamber 50 and jet pipe. Compressor vanes 120 may be provided to facilitate the discharge of the turbine exhaust gases through the passage 30.
Patent GB-177593-A (GB)
Title: Improvements in hollow building blocks
IPC: E04B2/02
Filed: 1920-12-24
Abstract: 177,593. Barker, J. J. S. Dec. 24, 1920. Bricks and building-blocks, special shapes of.- A hollow building-block of concrete, clay, terracotta, &c. comprises an external portion a and an internal portion b provided with through cavities d, e respectively, and connected by a web c forming cavities f, g at each end of the block, the cavities f, g being of the same width as, and approximately one-half the length of, the cavities d, e. The block has projections h of angular shape at one end and corresponding recesses at the other end, or may have projections or recesses at both ends, or at one end only, or may have neither projections nor recesses. The block is so proportioned that the thickness of wall surrounding any cavity is the same in every case. A corner block is shown in Fig. 11; the position of the projections h and recesses i may be interchanged.
Patent GB-428635-A (GB)
Title: Improvements relating to the treatment of eggs
IPC: A23L15/00
Filed: 1933-12-23
Abstract: An egg preparation enclosed in eggshell is obtained by extracting the white through a hole in the shell and introducing into the shell an alcoholic liquid or other beverage or food capable of preserving the yolk and mixing this substance with the yolk.  Alternatively, the contents of the egg may be removed through a hole in the shell which is then washed, sterilized and rendered inpermeable and filled with an emulsion of yolk with an alcoholic liquor e.g. brandy, marsala, vermouth, or other spirits, or wines of high alcoholic content.  The hole in the shell may be closed by means of mastic or the like, and the shell may finally be covered with a film of a sealing material, such as cellulose varnish, water glass solution or a paraffinic or resinous substance.  The shell may be washed with a disinfectant, e.g. milk of lime, prior to boring.  Substances may be added to the egg preparation to give a mixture with concentrated nourishing or medicinal properties; e.g. a tonic and strengthening beverage is prepared by mixing yolk of egg, glycerophosphates, alcoholic substances, aromatic substances and sugar.
Patent GB-356593-A (GB)
Title: Improvements in eye-boards or steadiers for spinning and like textile frames
IPC: D01H13/10
Filed: 1930-12-03
Abstract: 356,593. Mounting thread guides in spring &c. machines. HENDERSON & SONS, Ltd., A. and MURDOCH, J. K., South Dudhope Works, Dundee. Dec. 3, 1930, No. 36409. [Class 120 (ii).] An eyeboard or steadier for a spinning or like frame comprises an eyed strip carried by spaced and counterbalanced levers. The strip 1 has a convexlycurved upper surface and is carried by the ends of spaced levers 2. The levers are carried by a fulcrum shaft 3 and are balanced by counterweights 4. The shaft 3 is held in position in open gabs 5 by split pins 6. Spaced horizontal arms 7 afford a rest for the strip 1 in its operative position and are joined by a pair of light rods 8 which serve as rests for empty bobbins.