baber/WOPTO huggingface dataset:
Patent GB-1506824-A (GB)
Title: Prostaglandins
IPC: A61K31/5575
Filed: 1976-02-12
Abstract: 1506824 9 - Deoxo - 9 - methyleneprostaglandins UPJOHN CO 12 Feb 1976 [10 Mareh 1975] 29138/77 Divided out of 1506822 Heading C2C [Also in Division C3] The invention comprises 9 - deoxo - 9- methyleneprostaglandins of the Formula I wherein Z is -CH 2 CH 2 - or cis-CH=CH-; one of A 1  and As is H, methyl or ethyl and the other is hydroxy; R 2  and R 3  are H, methyl or ethyl with the proviso that R 2  and R 3  are both H if one of A 1  and A 2  is methyl or ethyl; and R is H or C 1-4  alkyl. The compounds are prepared by silylating the C-11 and C-15 hydroxy groups of the Formula II reacting the silylated products with the carbanions of N,S-dimethyl-S-phenylsulphoxime, removing the silyl ether groups from the resulting products, treating the adducts of the Formula II thus obtained in which the 9-oxo group is replaced by a group of the formula with aluminium amalgam, and, if desired, hydrolysing the resulting alkyl esters of Formula I above. Pharmaceutically compositions, suitable for oral, parenteral, rectal, vaginal or topical administration, contain the above prostaglandins of Formula I together with pharmaceutically acceptable carriers. The compounds possess similar pharmacological activities to the naturally occurring prostaglandins.
Patent GB-617405-A (GB)
Title: Improvements in and relating to the control of electrically-actuated clutches adapted to couple a variable-speed motor to a driven element
IPC: B60W10/06
Filed: 1946-09-30
Abstract: 617,405. Transmitting mechanical power. SAMPIETRO, A. C., and ROBERTSON, D. R. Sept. 30, 1946, No. 29169. [Class 38 (iv)] A variable speed motor, such as an internalcombustion engine for driving a vehicle, is smoothly coupled to a transmission shaft by an eddy current clutch, or electrically-actuated friction clutch, having an excitation winding energized by a battery-charging generator which is driven by the motor and the output voltage of which rises with increasing motor speed. The connection between the generator and clutch excitation winding is independent of a cut-out in the charging circuit. Fig. 1 shows a system for use on a vehicle, comprising an engine-driven generator 9 for charging a battery 14 over a cut-out 13 and for energizing a dutch-actuating winding L1, the generator being provided with the usual voltage regulator 18 and including a main field winding L2 as well as a weak reverse field winding L3 which is for the purpose of reducing the residual magnetism of the machine to allow the clutch to disengage when the main field circuit is opened. A switch 15 in the main field circuit closes with the ignition switch of the vehicle, whilst a normally closed switch 16 in the same circuit may be opened to de-energize the machine and so de-clutch the transmission shaft when changing gears. With the engine running, engagement of the clutch is effected by accelerating the engine so that the voltage of the generator, which at this stage functions as a separately excited machine excited by the battery 14 over resistors R1, R2, rises to a value sufficient to actuate the clutch. When the generator voltage approaches that of the battery, a relay 7, 8 reduces or cuts out resistor R2, whereby the machine becomes shunt excited and builds up to normal voltage. A thermal switch 17 may reduce resistor R1 upon the machine attaining a prescribed temperature. Alternatively, a resistor with a large positive temperature coefficient may shunt the main field winding. Closure of the main field circuit, or of the clutch excitation circuit may be made dependent both on the engine speed and the setting of the fuel control member, the arrangement providing for a greater initial clutching torque as the setting of the fuel control member is advanced. In another arrangement, relays actuated by the generator's volts sequentially cut-out resistance from the clutch excitation circuit as the engine speed rises. Specifications 607,820 and 609,690 are referred to.
Patent GB-175682-A (GB)
Title: Improvements in repeating firearms
IPC: F41A9/18
Filed: 1920-10-15
Abstract: 175,682. Marks, E. C. R., (Fabrique Nationale d'Armes de Guerre Soc. Anon.). Oct. 15, 1920. Breech actions, sliding breech-block; magazines.-Relates to repeating firearms having a magazine slidable longitudinally beneath the barrel, and a cartridge-lifter situated in a slot in the action slide which is actuated by the magazine, and consists (1) in pivoting the cartridgelifter at its front end on the trigger-plate, and (2) in adapting it to be raised by a cam on the action slide, and returned by the pressure of the magazine spring acting through the cartridges in the magazine. In the form shown, the handle 5 is secured to a reciprocatable magazine 3 rigid with an action slide 4 carrying the breech-block 6. Behind the magazine is a cartridge-lifter 15 pivoted at its forward end to the trigger plate 7, and carrying a cam 17 co-operating with a stud 18 on the slide 4, which is slotted to permit the carrier to work therethrough. When the breech is closed, the rear cartridge in the magazine rests against a bevel 21 on the face of the breech-block. On retraction of the magazine to reload the gun, this cartridge rides up the inclined upper surface of the lifter 15 which is held down by the part 25 of the action slide, the base of the cartridge being guided in a guideway 22 on the front of the breech-block. The next cartridge is arrested by a stop 16 on the forward end of the lifter. When the stud 18 has passed to the rear of the cam 17 on the lifter, and the part 26 of the lifter has left the part 25 of the slide 4 the lifter is raised by the spring 19, so that when the slide 4 is moved forwardly the stud 18 engages the lower surface of the cam 17, raising the lifter and forcing the cartridge into its extreme upward position, whereafter the continued movement of the slide pushes the cartridge into the chamber. and causes the next cartridge to seat itself against the bevel 21 of the breech-block. When the stud 18 has left the cam 17, the pressure of the magazine spring, acting through the cartridges in the magazine, rotates the lifter into its depressed position, in which it is held by the reaction of the parts 25, 26.
Patent GB-315637-A (GB)
Title: Process for the elimination of the poisonous constituents from white lead
IPC: C09C1/16
Filed: 1928-10-11
Abstract: 315,637. Bevilacqua, L. Oct. 11, 1928. White lead.-A continuous stream of sodium bicarbonate solution is run into the receptacles in which white lead obtained by the Dutch process is softened in water (to remove, residual metallic lead) whereby poisonous lead acetate still present is converted into lead carbonate. Sodium acetate thereby formed is removed from the paste of white lead by washing with water, e.g. in a filter press.
Patent GB-1353128-A (GB)
Title: Method of and an apparatus for generating signals
IPC: H04B3/54
Filed: 1972-06-22
Abstract: 1353128 Signalling over power circuits ZELLWEGER Ltd 22 June 1972 [1 July 1971] 29322/72 Heading H4R In an apparatus for signalling over power lines P, O, an oscillatory circuit 2, 3, is excited, at a signalling frequency bearing a fixed relation to the power supply frequency, by an impulse delivered to the oscillator circuit once each cycle of the signalling frequency. The impulse sequence is derived from the power supply frequency by synchronizing a counter 20, with the power supply and feeding the counter output to a divider 24, the output from which feeds a pulse shaper 27 which preferably delivers a pulse sequence having a 1 : 3 mark space ratio to trigger transistor 5 feeding pulses into the oscillatory circuit 2, 3. Preferably the counter counts at 11 times the power supply frequency and the divider divides by 2. In a preferred circuit, Fig. 5 (not shown) the power supply frequency is fed into a phase splitter (38) the outputs from which are differentiated to synchronize a multivibrator (52) operating at 11 times power frequency, the multivibrator feeds an integrated circuit (24) which divides by 2, and the input and output signals of the divider circuit are combined in a diode logic circuit to produce the impulse sequence with 1 to 3 mark space ratio to feed transistor 5.
Patent GB-955102-A (GB)
Title: Sensing apparatus for use with statistical record cards
IPC: G06K19/067
Filed: 1960-08-25
Abstract: 955,102. Sensing record cards; electric selective signalling. SVENSKA DATAREGISTER A.B. Aug. 25,1960 [Aug. 26, 1959], No. 29435/60. Headings G4H and G4M. Data is represented on a record member, of the kind used as a tag on goods to be sold in a shop, as conductive areas each forming part of one of a number of conductive layers and the data is read by means engaging these areas and energized to apply signals to them and means connected to the layers to transfer to the data to receiving apparatus. The record of Figs. 2 and 3 consists of superimposed layers of paper and metal foil there being holes to expose the first second or third layer of foil according to the data to be represented. Each digit is represented by two positions, a hole in the first position to the first layer having a value of " 1" to the second layer a value of " 2" and to the third position a value of "3". The values in the second position are "4", "8" and "12" so that by using holes in one or both positions values from 0-15 can be represented. The holes may be made by punching webs of paper and foil which are then stuck together or by a coring tool which removes as many layers as required. A hole 172 which passes right through the record and hole 174 through the first two layers are engaged by locating lugs on the sensing head. In another form the record has one corner cut off and the sensing head has a recess of the same shape as the record which serves to locate it There are three pins 200, 201, 202, Fig. 11, in the sensing head adapted to contact the three foil layers. In addition a further pin 203 contacts layer 164. These pins are shorter than the pins 198 so that when the sensing head is pressed down on the record the foil layers 160, 162 and 164, where they are exposed, are engaged first by the pins 198 and then by the pins 200-203. Pin 200 is energized and applies voltage to pin 203 to give an indication that the sensing head is properly in position. The voltage is applied to a pulse distributer which energizes in turn leads 227, 228 &c. of the sensing pins 198. These leads also enable groups of gates 230, 232, 234 &c. so that if the corresponding pin 198 engages a foil layer, the associated pick-off pin 200-202 causes a signal to be gated to a binary scale store 220, 222, 224 &c.
Patent GB-1213057-A (GB)
Title: Improvements in gas burners
Inventor: SURTEES HAROLD KEITH
IPC: F23D14/04
Filed: 1968-06-20
Abstract: 1,213,057. Gas burners. NORTH THAMES GAS BOARD. 8 Sept., 1969 [20 June, 1968], No. 29513/68. Heading F4T. A burner suitable for natural gas comprises a tubular body 1 having a gas inlet at one end and outlet ports 5 at the other end, and a fan-shaped rectangular cross-section hollow head 9 having a convex outer wall 12, end walls 11 and side walls 10, the wall 12 being provided with a plurality of gas outlet slits 15 disposed at an angle, e.g. 45 degrees, to the side walls 10, so that in use a number of separate flames are produced aerated in part at least by air drawn into them between adjacent flames. The head is joined to the body by a tubular metal piece 6 which may include an air inlet port 7. The head may be made of ceramic material. In a modification (Fig. 3, not shown), only one gas outlet port (17) is provided and a metal gauze disc (21) is placed between the outlet port and the inlet to the head.
Patent GB-1509966-A (GB)
Title: Corner moulding
IPC: E04F19/04
Filed: 1975-07-15
Abstract: 1509966 Corner trim N S McPHERSON 15 July 1975 29557/75 Heading B6G [Also in Division B5] A moulding for application to corners comprises at least one pair of planar semi-rigid thermoplastic strips 11, 12 connected integrally at their edges to a planar flexible thermoplastic strip 13, strips 11, 12 bearing adhesive for application to the surfaces adjacent the corners and strip 13 flexing to cover the join. The undersurfaces of strips 11, 12 may be coated with pressure-sensitive adhesive to facilitate application, the adhesive being protected by release strips. The strips 11-13 may comprise extruded plasticized polyolefin or vinyl, and may be heat-welded together. As shown, the moulding covers the angle between a wall and floor; other embodiments (Figs. 5-7, not shown) illustrate mouldings containing up to five semi-rigid strips used as cap mouldings, shelf edging and table top covers.
Patent GB-1092308-A (GB)
Title: Improvements in or relating to cooling units for water-cooled internal combustion engines
IPC: F01P7/08
Filed: 1965-07-13
Abstract: 1,092,308. Cooling engines; controlling fans. FICHTEL & SACHS A. G. July 13, 1965 [July 17, 1964], No. 29631/65. Headings F1B and F1C. A thermostat 2 controlling the clutch 1 of a cooling fan of a radiator 3 has associated therewith a guide or baffle 8 ensuring more uniform response of the thermostat to the temperature of the air flowing through the radiator. The guide may comprise a tube or funnel-shaped member 8 secured to the radiator. Alternatively a flat plate 5, Fig. 1 (not shown) or a spherical or conical plate may be fixed to the upstream side of the radiator. In Fig. 8 the guide comprises a cupshaped member 16 secured to and rotating with the clutch, air flowing through the cup around the thermostat 2 and out through apertures 18. Fan blades 17 may be provided on the cup to assist the air flow. The cup may be replaced by a funnelshaped member of relatively large mass to delay cutting out of the clutch upon a drop in air temperature.
Patent GB-572535-A (GB)
Title: Improvements in or relating to the feed mechanism of machine and like automatic guns
IPC: F41A9/54
Filed: 1939-11-09
Abstract: 572,535. Automatic guns. DOBREMYSL, J. Nov. 9, 1939, No. 29735. [Class 92 (ii)] Relates to cartridge-belt feed mechanism in which the feed and retaining pawls are mounted above and below the belt or vice versa, and consists in providing a single - lever device, whereby both pawls can be simultaneously released in any position which the feed-pawl may assume during its transverse travel. In the form shown, the cartridge-belt 20 is fed by a pawl 21 on the usual transverse feed-slide and retained by a pawl 22. A finger-lever 25, pivoted at 26 to the feed-block, operates the feed-pawl 21 through a slide 24 and incline 23, and the retaining-pawl 22 through an incline 29, rod 28 and arm 27. Specification 572,532 is referred to in the Provisional Specification.
Patent GB-727176-A (GB)
Title: Improvements in resilient wheels particulary in wheels for rail tracks
IPC: B60B17/00
Filed: 1952-11-25
Abstract: 727,176. Vehicle wheels. DILKS, H. Nov. 25, 1952 [Dec. 3, 1951], No. 29815/52. Class 144 (1). A vehicle wheel, particularly for mine trucks, comprises a rigid tyre 3 resiliently supported between the cheeks 10, 11 of a radially divided spool-like hub 5 by rubber or like cushions 4 housed in outwardly flared sockets 14 formed in each side of lugs 13 projecting radially inwardly from the tyre 3, the cushions 4 being held under compression by bolts 18 passing through holes therethrough and the hub cheeks 10, 11. As shown the bolts 18 pass through holes 19 in the socket separating web of the lugs 13 of sufficient clearance to allow the cushion rubber to flow thereinto on compression. The hub 5 may be shrunk onto an axle 6 and a bearing housing 21 may be secured by a nut screwed on to the axle end.
Patent GB-172290-A (GB)
Title: Improvements in line stops for typographical composing machines
IPC: B41B11/18
Filed: 1921-11-09
Abstract: 172,290. Intertype Corporation, (Assignees of Piersen, E. W.). Nov. 27, 1920, [Convention date]. Assembling and distributing matrices.-Relates to line-stops for preventing displacement of the leading matrices of a line while in the first elevator or equivalent member of the machine. The device preferably comprises a pair of slide-bars 16 which arc connected together at their outer ends and are arranged to slide in the matrix-supporting channels 5, 6, Fig. 3, of the elevator. The bars extend into the elevator from the left-hand side and are caused by a spring 18 to abut against the upper lugs of the leading matrix of the line. Normally, the line-stop is frictionally held against movement by a spring-pressed plunger 19, which is raised, as the line enters the elevator, by a lever 24 under the action of the a pin 25 on the line-delivery carriage 12, so that the stop adjusts itself automatically to the length of the line. On the descent of the elevator, the plunger 19 is released and holds the line-stop in adjusted position. Specification 14582/90 is referred to.
Patent GB-881353-A (GB)
Title: Improvements in pistons for internal combustion engines
Inventor: CROSS ROLAND CLAUDE
IPC: F16J1/16
Filed: 1959-09-02
Abstract: 881,353. Pistons. CROSS MANUFACTURING CO. (1938) Ltd. Aug. 23, 1960 [Sept. 2, 1959], No. 29916/59. Class 122 (1). To prevent slap a piston 2 is fitted with a gapped ring 5 mounted in a groove 1 and embracing the ends of the gudgeon pin 3 which abuts the ring interior, the pin and the ring each having a coefficient of expansion lower than that of the piston and the pin being free to expand independently of the piston and retained axially solely by the ring. The pin may engage recesses 6, in the ring 5, which may be a split ring, Fig. 3, or formed by two or more arcuate sections 5a, Fig. 6. Preferably, the ring is of constant radial thickness but its inner and outer diameter may be eccentric as shown in Fig. 6. Two or more axiallyabutting rings may be used. The invention is chiefly applicable to aluminium pistons and steel gudgeon pins and rings. Specifications 843,248, 843,254 and 843,258 are referred to.
Patent GB-727077-A (GB)
Title: An x-ray monochromator
IPC: G21K1/06
Filed: 1952-11-26
Abstract: 727,077. X-ray apparatus. LICENTIA PATENT - VERWALTUNGS - GES. Nov. 26, 1952 [Nov. 27, 1951], No. 29928/52. Class 98 (1). In the manufacture of a bent-crystal X-ray monochromotor the crystal, before bending, is ground concavecylindrically on the reflecting surface and convex-cylindrically on the reverse surface the radius of the reverse surface being about 20 per cent smaller than the radius of the reflecting surface. The reflecting surface may be polished so that the crystal structure is not disturbed deeper than 10 -4  mm. After bending the crystal, the radius of the reflecting surface will be reduced, preferably to half its initial value, and should conform to the required shape with an accuracy of 10<SP>-3</SP> mm. If a quartz crystal is used, the lattice planes (10T1) are used for reflection and are parallel to or inclined at an angle up to 10 degrees to the reflecting surface. As shown, the reflecting surface 2 is ground to a radius 2R and the opposite surface 1 is ground to a radius 1.6R. The crystal is then bent until the surface 2 has a radius R, e.g. by pressing the crystal against a frame of the required curvature by means of springs individually adjusted, or by a clamp acting through a pad of sponge rubber or other resilient material.
Patent GB-1146431-A (GB)
Title: Improvements in or relating to fire, burglar or the like alarm systems
IPC: G08B17/06
Filed: 1965-07-15
Abstract: 1,146,431. Fire and burglar alarms. V. J. MATHER, H. K. MATHER, and C. G. PRICE. 14 July, 1966 [15 July, 1965], No. 30005/65. Heading G4N. A fire or burglar alarm system comprises a closed circuit detecting device 21 energized by an A.C. mains supply 10 through a transformer 11 which reduces the voltage and a diode rectifier 12. If circuit 21 is broken by a fusible link 22 or by a door or window switch, a relay 17 will be de-energized and cause a contact 17a to complete a circuit from the A.C. mains supply to terminals 13 of an audible or visible alarm and a contact 17b to complete a circuit containing a battery 18 and audible warning means such as a horn 20. A change-over switch 19 is provided to illuminate a visible warning 20a and silence the audible warning 20. In the event of a mains supply failure relay 17 will be de-energized to actuate warning means 20 or 20a but the alarm at terminals 13 will not be actuated since it will lack the required power.
Patent GB-765082-A (GB)
Title: Improvements in and relating to the insulation and protection of wire splices or connections
IPC: H01R4/22
Filed: 1954-10-19
Abstract: 765,082. Packaging. MINNESOTA MINING & MANUFACTURING CO. Oct. 19, 1954 [Oct. 19, 1953], No. 30120/54. Class 94(1) [Also in Group XXXVI] Inter-reactive liquid or plastic components of a self-setting, resinous, insulating composition are enclosed in a flexible container and temporarily isolated from one another by an impervious barrier or barriers which can be removed or ruptured to allow mixing of the materials without opening the package. In one form, Fig. 2, the components are enclosed in compartments 26, 27 in a flexible plastic container 20 and separated by a diaphragm 23 which is bonded to the inner wall of the container or seated in a groove therein. The container is formed with a screwed neck 22 so that it may be applied to a cable joint (see Group XXXVI) as shown in Fig. 1, the diaphragm being ruptured or displaced and the components mixed by manipulation of the container before it is applied. In Fig. 4 the components 44, 45 are separated by a partition 43 in a flexible container 40 formed with a discharge nozzle 42 through which the contents may be extruded after mixing through an opening in the sheath 32 of a cable joint (see Group XXXVI) as shown in Fig. 3. The partition 43 may be formed by inter-reaction at the surfaces of the components, e.g. if the latter are epoxy resin and amine catalyst mixtures respectively. In Fig. 6, one component 68 is contained in an outer tube 61 formed with a discharge nozzle 62, and the other 67 in a weaker inner tube 64, the two tubes having a common end seal 66, and the other end of the tube 64 being closed by a seal 65. In Fig. 8, one component 89 is contained in a sealed outer tube 81 and the other 88 in an inner tube 84 closed at one end by a seal 85 and at the other by a removable external clamp 87. In Fig. 11, the components 107, 108 are enclosed between sheets 101, 102 of plastic film, sealed together at their edges and separated by a partition 104 of thinner or weaker film bonded to the inner surfaces of the sheets at 105, 106. In Fig. 13, the components 124, 125 are contained in inner and outer envelopes 122, 121 having a common end seal 123, the inner envelope being weaker or more completely filled than the outer envelope. In Fig. 15, an envelope 142, formed by edge-sealing strips of plastic film 143, 144, is folded to form two compartments containing the components 150 and 151 respectively, the folded edge being seated in a groove 148 in a member 147 by a separator 146 which is held in position by an outer container 141. When the assembly is removed from the outer container, the member 147 and separator 146 fall apart to allow the envelope to be manipulated to mix the components. Fig. 16 shows a further modification in which one component 167, together with small spherical containers 164, 165 enclosing another component or other components, are contained in a sealed envelope 161, the spherical container being rupturable by pressure applied through the outer envelope.