baber/WOPTO huggingface dataset:
Patent GB-1106985-A (GB)
Title: Method of making multilayer circuit boards
IPC: H05K3/46
Filed: 1965-08-10
Abstract: 1,106,985. Printed circuits. SANDERS ASSOCIATES Inc. 10 Aug., 1965 [24 Aug., 1964], No. 34182/65. Heading H1R. A multilayer printed circuit board is made by bonding a layer of insulating material having at least one hole therethrough to a sheet of metal foil, depositing a coating of conductive material on the insulating layer and, through the hole therein, to the foil, and etching a desired pattern in the conductive coating; alternatively, the conductive coating may be selectively deposited to delineate the desired pattern. The foil may be of Cu, Ni &c., and may have a surface layer of CuO or adhesive; the insulating layer may be of a plastics material coated with P.T.F.E., the hole(s) therein being formed by punching, drilling, stamping, or etching. The conductive coating may be formed by sensitizing the surface of the insulating layer and the hole-wall(s) followed by electroless-plating, electro-plating, vapour-deposition &c. The circuit pattern in the conductive coating may be formed by a photo-etching technique, and a pattern is similarly formed in the foil, simultaneously or subsequently. One or both conducting surfaces may be covered with insulation, which may have holes to permit connection with connection pads in the circuit patterns. To avoid" dimpling " of the conductive coating above the hole(s) in the insulating layer the hole-wall(s) only is (are) first sensitized and the hole(s) filled up with metal; the circuit pattern is formed later. Additional circuit layers may be added. Reference has been directed by the Comptroller to Specification 1,005,943.
Patent GB-972458-A (GB)
Title: Improvements in sectional screens
Inventor: BANNISTER BRIAN CHARLES
IPC: A47F11/02
Filed: 1962-09-06
Abstract: 972,458. Screens. MARLER HALEY DISPLAYS Ltd. June 17, 1963 [Sept. 6, 1962], No. 34184/62. Heading A4U. A screen is composed of prefabricated sections each comprising a rectangular tubular metal framework with side members 1, 1 and end members 3, 4, each side member 1 having at one end a spigot 6 and at the other a leg 5, a hardboard panel 7 being secured to the framework by threaded hooks 8 and nuts 10 and the sections being secured side by side by connectors 11 having two bores to receive spigots 6. Sections may be similarly secured one above another.
Patent GB-333468-A (GB)
Title: Method of and apparatus for reproducing the weight and price indications of weighing machines on any desired receptive surface
IPC: G01G23/22
Filed: 1929-11-08
Abstract: 333,468. Seitz - Werke Ges., and Schmidt, R. Nov. 8, 1929. Printed records, apparatus for giving. -Consists of a method of reproducing the weight and price indications of a weighing machine on any desired receptive surface, according to which an adjustable printing stamp is set by introducing it into the weighing machine and is then removed and used to print the result. The stamp 1 comprises a group of type wheels 5 each carrying a driving wheel 6 and a toothed locking wheel 7, all freely mounted on a shaft 3 terminating outside the casing 2 in an actuating pinion. The locking wheels 7 are engaged by clicks 9 removable simultaneously by a disconnecting arm 11. A spring catch 12 also engages each locking wheel. In use, the stamp is slid into a case 21 attached to the weighing machine. During the descent into the case, a pin 26 enters an L-shaped hole 20 and thrusts up the disconnecting arm 11. The actuating pinion on the end of the shaft 3 engages a vertical rack on the case 21 and the resulting rotation of. the shaft zeroizes the type wheels by means of a pawl and ratchet mechanism. The driving wheels 6 then engage a similar number of wheels 28 connected by feeler racks 30 and stepped sectors 34 with the indicating mechanism of the weighing machine. The stepped sectors are now brought into action and push forward the racks a distance depending on the weight thus setting the type wheels of the stamp which may then be withdrawn and used for stamping any desired document. An additional printing mechanism may be in fixed connection with the weighing machine. The mechanisms. may be arranged so that after the transmission mechanism of the weighing apparatus has been adjusted, the insertion of the stamp effects the setting of its type wheels.
Patent GB-1512686-A (GB)
Title: Acoustic surface wave devices
IPC: H03H3/08
Filed: 1975-08-18
Abstract: 1512686 Surface wave transducers MULLARD Ltd 18 Aug 1975 34234/75 Addition to 1430725 Heading H3U To reduce wavefront distortion in a variableoverlap surface wave transducer 2, conductive areas 15, 16 are provided outside the region of finger overlaps but within the acoustic aperture of the transducer, the widths of areas 15, 16 along the direction of wave propagation being substantially equal to the sum of the widths of the electrodes for which they compensate. As shown, areas 15, 16 are integral with the bus bars of transducer 2, but they may be separate (Figs. 5, 6, not shown). Compensation may be provided for distortion of waves travelling in both directions from transducer 2.
Patent GB-643387-A (GB)
Title: A method and device for propelling bodies through a surrounding fluid medium
IPC: F02K7/12
Filed: 1947-12-29
Abstract: 643,387. Jet propulsion plant. COANDA, H. Dec. 29,1947, No. 34416. Convention date, April 6, 1939. [Class 110(iii)] [Also in Groups XXIX and XXXIII] Propulsion of a body in a fluid medium is obtained by the additive effect of successive steps consisting of expansion of a gas obtained by vaporization of a combustible liquid, the gas being discharged through a narrow slot arranged perpendicularly to the direction of motion and the expansion taking place along a curved surface forming an extention of one wall of a lip of the slot, followed by a pressure rise in the gas obtained by mixing it with a combustion supporting gas and igniting the mixture. In the arrangement shown, a closed vessel 2 containing a combustible liquid such as propane is heated by burners 5, fed with vapour from the vessel 2 through a pipe 4, which are automatically controlled by a valve 6 responsive to the pressure of the vapour in the vessel 2. The vapours from the vessel 2 after passing through a cooling coil 14 are preheated in a coil 9 heated by a burner 11 fed by a branch 12 from the pipe 3 and then led to the propelling unit 13. The vapours from the unit 13 expand through a slot 17 which extends in a direction normal to' the movement of the body 1, flow along the surface 19 and then mix with air in the space 21 formed between the jacket 20 and the propelling unit 13. The mixture is ignited in the zone 22. In a modification, the propelling unit 13 is formed with two slots, the area of which may be adjusted by the cap member of the unit and an annular ring member forming one wall of each slot. In this arrangement the unit 13 is provided with a central axial pipe which has a constriction between its ends which constriction is connected by pipes to a slot on the surface of the unit 13 to remove the boundary layer. A modified form of control valve, Fig. 2, for the burners 5 consists of a spring loaded piston 25 having a hollow shank 30 in which are ports 32 for the vapour. The shank 30 has a conical surface 31 which engages the conical seat 33 when the pressure in the vessel 2 rises too high.
Patent GB-1125359-A (GB)
Title: Housing for automotive test unit
IPC: G12B9/02
Filed: 1967-07-26
Abstract: 1,125,359. Instrument housing. ALLEN ELECTRIC & EQUIPMENT CO. July 26, 1967 [Sept. 1, 1966], No. 34444/67. Heading G1J. An assembly for housing and carrying automotive testing units and accessory equipment comprises a first part 8 having automotive testing units mounted therein, a second part 16 having side walls and a base wall and being open along the side thereof opposite the base wall, the first part having a portion shaped similarly to the open side of the second part whereby the first part can be removably positioned across said open side to form a storage tone 26 for the accessory equipment and fastening means for releasably securing the first part to the second part. The part 8 has a carrying handle 9, supporting feet 11 and a hook 13 fixed to the back of the part 8 for mounting it when on its own. Fittings 15, 15a are provided to connect the testing unit to the device under test. The second part 16 has feet 28 and pads 27 on the base wall.
Patent GB-1404829-A (GB)
Title: Multi-nuclear aromatic condensation products photoconductors and process for the manufacture thereof
IPC: C08G16/02
Filed: 1972-07-24
Abstract: 1404829 Condensing pyrene with paraformaldehyde HOECHST AG 24 July 1972 [26 July 1971 10 June 1972] 34507/72 Heading C5E [Also in Divisions C2 and G2] Pyrene is reacted with paraformaldehyde in the presence of glacial acetic acid and zinc chloride to obtain a condensate containing about 6 to 8 pyrene units. The product is a photoconductor (see Division G2).
Patent GB-392990-A (GB)
Title: Improvements in means for feeding toffee and other material in plastic form to wrapping machines
IPC: B26D7/06
Filed: 1931-12-14
Abstract: 392,990. Moulding and cutting confectionery &c. in stream-cutting machines. FORGROVE MACHINERY CO., Ltd., Oakhurst Avenue, Dewsbury Road, and HARRIS, R. A., 18, Lidgett Place, Roundhay, both in Leeds. Dec. 14, 1931, No. 34591. [Class 87 (ii).] A bar of plastic toffee or similar material is fed to a severing device and the cut-off portion is fed into a wrapping, coating, &c. machine. The toffee is fed along a trough 4 by continuously rotating sizing-rollers 5, 6, the lower of which projects through a slot in the base of the trough, and is delivered into a guide trough 7 mounted on a bell-crank lever 8 pivoted at 9. In its normal position the trough 7 is in line with the trough 4. A rotary knife 10 severs a piece from the end of the bar which is thrust into the pocket of a wrapping-machine 13 by a transversely-operated pusher 12. In order to prevent the pusher from fouling the bar, which commences to issue from the guide trough 7 as soon as the severing has been effected, the guide trough is raised into the position indicated in Fig. 1 in broken lines. The movement is effected in synchronism with the movement of the pusher by the action of opposed cam faces on a forked lever. The link 23 which connects the forked lever with the bell-crank lever 8 carries a hardened steel block 25 held between locking studs 26 on the lever 8. The pusher is cut away at 30, on the side facing the knife, to avoid interference at the commencement of the movement of the guide trough. A bridge piece 31 ensures that the bar is brought down into its proper line of feed when the guide trough descends.
Patent GB-1262228-A (GB)
Title: Improved necktie hanger
IPC: A47G25/74
Filed: 1970-07-16
Abstract: 1,262,228. Neck-tie racks. DART INDUSTRIES Inc. July 16, 1970 [July 16, 1969], No.34616/70. Heading A4U. A hanger for neck ties and clothing accessories comprises a head 2, formed as a hook for engagement with a hanger rail, the base of the hook being joined by a bar, having upper and lower projections for retention of a tie clip 11, to a body 10, having the racks and apertures of different sizes to receive tie tacks and cuff links 15, and a lower base portion 20 formed with hooks 24 to receive accessories such as belts 17.
Patent GB-615740-A (GB)
Title: Improvements in flying control systems for aircraft
IPC: B64C13/02
Filed: 1945-12-20
Abstract: 615,740. Controlling aircraft. SOC. NATIONALE DE CONSTRUCTIONS AERONAUTIQUES DU SUD-EST. Dec. 20, 1945, No. 34621. Convention date, Sept. 18, 1944. [Class 4] The flying controls of an aircraft comprise two control sticks arranged on either side of the pilot's seat and operatively connected to the elevators and ailerons in such manner that a fore or aft swinging movement of the sticks together actuates the elevators, and differential upward and downward movements of the sticks actuate the ailerons. In one form, Fig. 3, control sticks D and G are pivotally connected to cross-bars 16 and 17 pivoted on longitudinal axes 15 and 14 to a housing 11 secured to a tube 10 rotatable in bearings 8, 9 on the aircraft frame. The lower end of the housing is coupled to the elevatorcontrol rod 24, and the bar 17 is secured to a lever 21 coupled at its upper end to the aileron control rods 22, 23. In a second form, Fig. 6, the upper cross-bar 5a is coupled by a universal joint to a shaft 3a rotatable in bearings 2a, 4a in the frame, and the lower cross-bar 7a is guided on a fixed quadrant 1a. The elevator control rod 9a is coupled to the lower end of a lever 8a secured to the lower cross-bar and pivoted to the upper cross-bar, and the ailerons are actuated by the shaft 3a through a pulley and cable system. In a third form, Fig. 8, the control sticks are axially movable in housings 3b pivotally mounted in the aircraft frame and coupled at their upper ends to control rods 5b which are connected to levers 6b secured to a shaft carrying a single lever coupled to the elevator. The axial movements of the sticks are transmitted through rack and pinion gearing, or pulleys and cables,. and universal joints within the housings to cause rotation of shafts 12b which actuate the ailerons through the pulley and cable system shown. In a further form, Figs. 9 and 14, the control sticks are axially movable in housings 4c which are rotatable in relation to housings 10c having forked extensions 11c coupled to the elevator control rods 13c. Each housing 10c forms the planet carrier of a differential gear comprising a sun gear 7c mounted on a shaft 2c carrying a pulley 8c, and a sun gear 6c mounted on a shaft 1c carrying a pinion 5c in mesh with a rack formed on the control stick, the ends of the shafts forming pivots by which the assembly is mounted in the aircraft frame. The pulleys 8c are coupled to the ailerons by the pulley and cable system shown, and consequently, when the two control sticks are moved forwardly or rearwardly, the sun gears 7c are held stationary and the housings 10c are rotated to actuate the elevators. When the control sticks are moved axially in opposite directions, the housings 10c are held stationary by the elevator control linkage, and the sun gears 7c and pulleys 8c are rotated to actuate the ailerons.
Patent GB-1096543-A (GB)
Title: Chlorinated polyethylene elastomers
IPC: C08L23/28
Filed: 1965-08-12
Abstract: Heat curable compositions comprise (A) chlorinated polyethylene having a chlorine content of 20 to 45 weight per cent and an intrinsic viscosity of 1.0 to 6.0 in o-dichlorobenzene at 100 DEG C., said chlorinated polyethylene having been prepared by chlorinating a linear high density polyethylene having an average molecular weight of 100,000 to 5,000,000; and (B) as vulcanizing agent a polyamide of a dimerized drying oil acid with an aliphatic diamine, said polyamide containing free amino groups and having an amine value of 50 to 250.  The polyamide may be derived from dimers of soya bean, corn, linseed, tung and perilla oil acids and ethylenediamine, hexamethylenediamine and tetramethylenediamine. The compositions may also comprise fillers, e.g. carbon black, hydrated silica, titanium dioxide, magnesium silicate, aluminium silicate, calcium carbonate, magnesium carbonate, calcium sulphate, iron oxides, barium sulphate, asbestos and animal fibres; and heat stabilisers, e.g. organic complexes and salts of barium, cadmium, tin, zinc and sodium.  The compositions may be moulded and cured at elevated temperatures to form gaskets, hose, footwear, belting and container linings.  Examples describe compositions comprising chlorinated polyethylenes and polyamides derived from linoleic acid dimer and ethylene diamine.
Patent GB-1132472-A (GB)
Title: Controlling nuclear reactors
Inventor: RAVEN ANTHONY DAVID
IPC: G21C7/16
Filed: 1965-08-13
Abstract: 1,132,472. Controlling reactors. ENGLISH ELECTRIC CO. Ltd. 12 Aug., 1966 [13 Aug., 1965], No. 34715/65. Heading G6C. A method of controlling a fast liquid-metal cooled reactor including a core 13 surrounded by a reflector 14 consists in providing one or more U-tubes 19 having their closed vertical limbs 16A extending through the core, the other limbs 16B being connected through a pump 23 to a fluid-containing reservoir 24. The fluid 19 may be a neutron-absorbing fluid, e.g. liquid lithium or gaseous boron trifluoride or helium. The level of the neutron-absorbing fluid 19 in the limbs 16A, or its pressure if the fluid is gaseous, is variable by the pump 23. If the fluid is a liquid, an inert gas 18 such as argon may be trapped in the limbs 16A above the liquid level. In a modification (Fig. 2, not shown) the fluid 19 may be a liquid metal, e.g. sodium, and act as a driving fluid for moving a solid control rod piston-like in the limbs 16A.
Patent GB-388157-A (GB)
Title: Improvements in the finishing of artificial silk fabrics
IPC: D06M15/17
Filed: 1931-12-15
Abstract: Fabrics made of artificial silk of any kind are given a non-slip finish by treatment with a solution or dispersion of a resin acid or an alkali-metal or ammonium resinate containing not more than 4 per cent of resin acid or resinate, followed by a treatment which deposits the free resin acid on the surface of the fabric.  When a resin acid is taken as such, the after-treatment may consist merely in squeezing and drying the fabric.  When an alkali-metal resinate is taken, the fabric may be after-treated with a large volume of water at a raised temperature or with dilute acid, whereby the resinate is hydrolysed.  When an ammonium resinate is taken, the fabric may afterwards be heated, to decompose the resinate.  In the examples, (1) the fabric is treated with a diluted solution of colophony in sodium hydroxide solution, then passed several times through a large volume of water at 80-90 DEG  C., and finally rinsed and dried; (2) fabric treated with the solution used in example (1) is passed through dilute hydrochloric acid, washed and dried; (3) a solution of colophony in methylated spirit is treated with ammonia and then diluted with water; fabric is treated with the solution and then squeezed and dried at 40-50 DEG  C.; (4) a solution of colophony in methylated spirit is diluted with water after addition of an emulsifying agent such as Twitchell base W; fabric is soaked in the emulsion, squeezed and dried.  Specifications 23787/05, [Class 42, Fabrics, Dressing &c.], and 280,989, [Class 42 (i), Fabrics, Finishing &c.], are referred to.ALSO:A solution of colophony in methylated spirit is diluted with water after addition of an emulsifying agent such as Twitchell base W.  An emulsion suitable for treating artificial silk fabrics is obtained.
Patent GB-1046186-A (GB)
Title: Pharmaceutical compositions comprising benzyl theophylline derivatives
IPC: A61K31/52
Filed: 1964-08-25
Abstract: Pharmaceutical compositions having choleretic activity contain as active ingredient at least one compound of the formula <FORM:1046186/A5-A6/1> wherein X is C1-4 straight or branched alkylene, and R1 and R2, which may be the same or different, represent hydrogen, C1-6 alkyl, allyl, cycloalkyl, monocyclic aryl or alkaryl, C1-3 hydroxyalkyl, hydroxyalkaryl, dialkylaminoalkyl, or together form with the adjacent nitrogen atom a heterocyclic ring which may be substituted by a C1-6 alkyl or hydroxyalkyl group, with the proviso that when R1 is C1-6 alkyl, R2 may be furfuryl, or an acid addition salt thereof, together with an excipient or diluent. The compositions may be administered orally, rectally or parenterally in conventional pharmaceutical forms e.g. tablets, suppositories, sterile injections.
Patent GB-646824-A (GB)
Title: Improvements relating to fluid pressure transmission systems
IPC: F16D65/22
Filed: 1947-12-30
Abstract: 646,824. Fluid-pressure brakes. FIAT SOC. PER AZIONI, and BALDWIN, P. S. Dec. 30, 1947, No. 34742. Convention date, May 1, 1942. [Class 103 (i)] [Also in Group XXIX] A fluid-pressure actuator has at least one compound piston slidable as a unit in the cylinder 1, the compound piston comprising two metal parts 7, 8 and an inner expansible element 14 surrounded by a number of curved leaf-springs 15 which produce an axial force when the expansible element 14 is subjected to an internal pressure. The supply of pressure fluid to the actuator is automatically controlled by the valve 18. Pressure fluid is admitted via the inlet connection T through the passage B to the inside of the expansible element 14 and through the bore of the screwed plug 22, rubber ring 23 and grooves in the sides of valve piston 19 to the space M behind the compound piston part Y. At a predetermined pressure the valve piston 20 moves downwardly carrying with it the push-rod 21 thus allowing the valve piston 19 to seat on the rubber ring 23, thereby preventing the return flow of fluid from the space M behind the compound piston. The trapped fluid thus forms an unyielding base for the compound piston and the pressure fluid acting radially in the expansible element 14 produces an axial force on the brake shoe. When the pressure in the inlet T drops, the valve piston 19 is unseated by the action of the spring 28 through the push-rod 21 and the fluid in space M is released. Specifications 439,487 and 503,696 are referred to.
Patent GB-1151933-A (GB)
Title: Improvements relating to Indicators for Electric Cartridge Fuses.
Inventor: MILNE DENIS
IPC: H01H85/30
Filed: 1966-08-03
Abstract: 1,151,933. Fuses. A. REYROLLE & CO. Ltd. 3 Aug., 1966, No. 34808/66. Heading H2G. A cartridge fuse in which the main fusible element is enclosed in arc-extinguishing material has an auxiliary fusible element arranged to ignite a non-explosive combustible element comprising a piece of cellulosic material impregnated with an oxidizing agent and with a combustion-retarding agent to give a visible indication of the state of the fuse. As shown, the main element 13 is located in a bore 12 of a ceramic tube 11 filled with silica sand. The auxiliary element 23 is connected in parallel to the main element and passes a window 26. Paper discs 20 and 21 impregnated with an oxidizing agent such as sodium chlorate, potassium chlorate, or a dichromate are located on either side of the auxiliary element so as to be visible through the window. The oxidizing agent is provided to aid combustion. The discs are also impregnated with a fire retarding solution, e.g. a sodium borate/boric acid mixture and are shielded by asbestos insulation to prevent discoloration of the dies by heating of main element due to the current it normally passes.
Patent GB-1012500-A (GB)
Title: Improvements in or relating to surge diverter units
Inventor: MILLER ALAN DAVID
IPC: H01T4/16
Filed: 1963-09-03
Abstract: 1,012,500. Surge diverters. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Aug. 14, 1964 [Sept. 3, 1963], No. 34830/63. Heading H2H. Each unit of a surge diverter comprises a spark gap G housed in the bore of an annular non-linear resistance block 1 on whose faces 3, 4 are diametrically-opposed arcuate conductive layers 2A, 2C and 2B, 2D of which layers 2B, 2C are respectively connected through members 8, 9 to the gap electrodes 5, 6. Layers 2A, 2D are connected by members 13 to corresponding layers on adjacent blocks, and the assembly is completed by insulating spacers 10, 12. The arrangement is such that each spark gap is in series between the resistors formed by the portions of the block denned by the layers 2A, 2B and 2C, 2D, and in parallel with the resistors formed by the remaining portions 11 of the block, which thereby act as grading resistances. The equivalent circuit is described, Fig. 3 (not shown) and the relationship between the series and shunt resistances and their effect on voltage distribution is discussed. The resistance of the portions 11 may be varied by altering their cross-sections, or if the block material is not homogeneous throughout, by making them of linear resistance material.