baber/WOPTO huggingface dataset:
Patent GB-1448034-A (GB)
Title: Corrosion-resistant electrical conductors
IPC: H01L21/00
Filed: 1974-09-17
Abstract: 1448034 Depositing electric conductors INTERNATIONAL BUSINESS MACHINES CORP 17 Sept 1974 [12 Oct 1973] 40376/74 Heading C7F [Also in Division H1] An electric conductor, e.g. contacts for electronic circuits, is formed by depositing a conductive film of e.g. Cr-Cu, depositing a layer of noble metal, e.g. Au, Pt, Pd, Ir, Rh, Ru or Os, etching away the film and layer where not required and heating e.g. in argon, nitrogen or hydrogen to diffuse the noble metal over the etched edges. The substrate may be quartz or polyimide and it may have a first barrier layer of e.g. quartz. Deposition may be by evaporation, sputtering or chemical vapour deposition. The Cr-Cu may be deposited from separate sources.
Patent GB-1337292-A (GB)
Title: Self-acting connector for applying coolant fluid to glass moulds
IPC: C03B9/38
Filed: 1971-08-27
Abstract: 1337292 Cooling glass forming moulds ANCHOR HOCKING CORP 27 Aug 1971 [31 Aug 1970] 40429/71 Heading C1M A connector for interconnecting a fluid coolant source with coolant passages in a glass article forming mould which is capable of being fixed to and removed from a moulding machine comprises a connector seat on the mould leading to said coolant passages and a valve stem having at one end a head adapted to mate with the seat and at the other leading to a source of coolant fluid. As shown a mould half 16b is removably mounted on upper and lower "hands" 21a, 21b, carried by mould carrying arms 12a, 12b. A valve stem 61 is slidably mounted in a manifold port 62 and is biased outwardly by a spring 68. The stem has a frusto-conical crosssection head 69 which mates with a conical seat 48 on the mould half 16b surrounding an inlet bore 46 leading to coolant passages 41 (Fig. 3). The description relates to a triple mould half arrangement in which the coolant is supplied to all three connectors through a manifold 55, elongate slots 64, 64a being provided in each stem 61 to provide continuous communication with the manifold and a pin 67 extending through slots 64a to limit movement of the stems. In use, when a mould half is removed the seat cams the head axially when the mould half is moved transversely relative thereto so that the connector is disengaged.
Patent GB-1065767-A (GB)
Title: Process for preparing carbodiimides
IPC: C07C/
Filed: 1963-10-14
Abstract: Carbodiimides are prepared by thermally decomposing N,N1 - disubstituted S - alkyl-isothioureas of the formula <FORM:1065767/C2/1> or <FORM:1065767/C2/2> wherein R and R1 each represents primary, secondary or tertiary alkyl, cycloalkyl, aralkyl, or aryl, R and R1 being so chosen that not more than one represents aryl, and the total number of hydrogen atoms attached to the two carbon atoms linked directly to the nitrogen atoms of the isothiourea group is not greater than 2 or not greater than 1 when one of R and R1 is aryl, R111 represents cycloalkyl or primary, secondary or tertiary alkyl, R11 represents an aliphatic or cycloaliphatic hydrocarbon chain containing at least 3 carbon atoms and optionally interrupted by oxygen atoms, sulphur atoms or nitrogen-free hetero groups separated from the nearest isothiourea groups by at least 2 carbon atoms, R11 and R111 being so selected that a total of at most 2 hydrogen atoms are attached to the 2 carbon atoms linked directly to the nitrogen atoms of each isothiourea group, and n represents a positive integer, preferably 1.  The thermal decomposition may be carried out in the presence of a high-boiling inert organic solvent, and the crude reaction product obtained may be purified by a treatment with active aluminium oxide.  A suitable substituted S-alkyl isothiourea starting material is prepared by reacting ethylene glycol - bis - (gamma - aminopropylether) with tertiary - butyl mustard oil, followed by S-methylation of the product with dimethyl sulphate.
Patent GB-986436-A (GB)
Title: A hopper for distributing food to birds
Inventor: CUNINGHAME JOHN ALFRED FERGUSS
IPC: A01K39/012
Filed: 1962-10-26
Abstract: 986,436. Animal feeding appliances. GILBERTSON & PAGE Ltd. Oct. 25, 1963 [Oct. 26, 1962], No. 40526/62. Heading A1M. A food distributing hopper comprises a container 10 and a part 11 tapering to an outlet 12 the effective size of which is determined by a washer 15 through the aperture of which passes a rod 16 carrying a platform 20 agitated by a bird to release a quantity of food, the washer 15 being readily changed for one of a different size aperture. The upper end of the rod 16 is hooked on to a horizontal bar 17 the ends of which are received in sockets 18, 19. The hopper is suspended from above by means of rod 14 and is provided with a lid 13. In a modification the bar 17 is located within the part 10 and its ends are received in sockets located in the part 10, a frustroconical washer being provided in this case. The bar 17 may be resiliently mounted or be inherently resilient so that the rod 16 moves up and down as well as to-and-fro.
Patent GB-1001341-A (GB)
Title: Copolymers of trioxane and process for their manufacture
IPC: C08G2/00
Filed: 1961-11-13
Abstract: Trioxane is copolymerized with a minor proportion of acrylonitrile in the presence of a cation-active catalyst at a temperature of -100 DEG to +150 DEG  C.  It is preferred that the acrylonitrile is present in amount from 1 to 25% of the trioxane, and that the catalyst is a Lewis acid, e.g. boron trifluoride, boron trichloride, or the chlorides of aluminium, iron, antimony, zinc, tin and titanium, or their complexes, or aryl-diazonium fluoroborates long lists being given.  The polymerization may take place in bulk, or in solution.
Patent GB-1519760-A (GB)
Title: Wired broadcasting systems
IPC: H04H20/76
Filed: 1975-07-30
Abstract: 1519760 Wired broadcasting systems COMMUNICATIONS PATENTS Ltd 30 July 1975 [18 Sept 1974] 40607/74 Heading H4R In a wired broadcasting system including an adaptor at the subscribers' premises for translating television programme signals received in one frequency band into a band within the frequency range of a television receiver intended for the aerial reception of radiated television programme signals, the adaptor is powered by an A.C. power frequency signal superimposed on the television signals, a local oscillator is controlled by a phase locked loop to provide an oscillator frequency which is a multiple of the power frequency signal, said oscillator frequency being used in the frequency translation of signals applied to the adaptor. The power signal may be a 400 Hz signal which is separated from the television signals at the subscribers' equipment by use of a transformer, the power signal being full wave rectified to charge a capacitor from which the adaptor is powered. In a system using four wire cables, radio programmes may be transmitted on one pair of wires which are normally used for control purposes and a radio adaptor of similar function to the TV adaptor is provided which is also powered from said rectified 400 Hz signal.
Patent GB-892596-A (GB)
Title: Improvements in and relating to rectilinear-motion bearings
IPC: B23Q1/40
Filed: 1959-12-01
Abstract: 892,596. Rectilinear-motion bearings. HAMMOND MACHINERY BUILDERS Inc. Dec. 1, 1959 [Aug. 24, 1959], No. 40717/59. Class 12 (1). In a rectilinear-motion bearing for supporting a reciprocable table 1 upon a base 4, balls 12 are positioned between guideways 8, 5 attached to the table 1 and the base 4, respectively, and limit means are provided which allow equal and uniform movement of the balls. The guideways ways 8, 5 have ballways 9, 7 therein. The limit means comprise racks 16, 19 fastened by screws 17, 21 to the table 1 and base 4, respectively, and pinions 23, 30 both of which are in mesh with the racks. The pinions are located adjacent the ends of each row of balls, buffer-pads 24, 31 being positioned intermediate the pinions and the end balls. The pinion, which may be mounted on a ball or have a ball-hub, is guided by the end-faces of the guideways and is received by a recess 27 in the buffer-pad. Stops 29, 32 are provided at the ends of the guideways and a dust-shield 33, Fig. 3, is included.
Patent GB-1113455-A (GB)
Title: Improvements in semi-conductor devices
IPC: H01L29/00
Filed: 1965-09-27
Abstract: 1,113,455. Semi-conductor devices. ALLM NNA SVENSKA ELEKTRISKA A.B. 27 Sept., 1965 [28 Sept., 1964], No. 40958/65. Heading H1K. A semi-conductor element 10 is hermetically enclosed in a casing comprising a metallic base 13 (which may be in contact with a cooling member 22) joined to a cover which has a metallic part 14 next to the base 13, another metallic part 16 above the semi-conductor element 10, and an insulating part 15 between the two metallic parts, with an electrode 18 and a pressure device (such as a stack of spring washers 19) arranged on the outside of the cover in a cap 21, which may contain a screw 21a for adjusting the pressure of the electrode 18.
Patent GB-889565-A (GB)
Title: Improvements in or relating to insert loading devices for casting machines
Inventor: FOLEY JOHN
IPC: B22C21/14
Filed: 1959-12-04
Abstract: 889,565. Casting composite articles. PERMANENT MOLD DIE CO. Inc. Dec. 4, 1959, No. 41188/59. Class 83 (1). A reinforcement loader device for a casting machine, such as a piston casting machine for mounting a reinforcement insert on a mould core, comprises a movable element having one end shiftable to and away from a position adjacent a casting station, at least one slide on said element positionable at a side of a mould core at said station, means on the or each slide for holding a reinforcement insert in proper position relative to said core, means to shift the or each slide on said element toward and away from said core, said insert holding means being responsive to motion towards the mould core to release the insert to the core. The pivotable element A carries insert supporting members 130, 140 which are slidable on rods 42 by means of a piston and cylinder 106, 112. The inserts 26 are each carried on a spring-loaded projection 172 and a latch 24 so that as the members 130, 140 are brought towards the core M by supplying pneumatic pressure to the cylinder 106 the projections and latch are forced rearwardly and the insert transfers to the magnetized core. Screws 70, 72 carried by the sliding members 130, 140 engage switch arms 82, 84, during the travel of said members to actuate electric switches controlling the supply of pressure air to the cylinder 106.
Patent GB-1493603-A (GB)
Title: Impulse generator for use with a rotating drive
IPC: H01H19/18
Filed: 1974-09-23
Abstract: 1493603 Cams; valves F LOCK 23 Sept 1974 [21 Sept 1973] 41359/74 Headings F2K and F2V [Also in Division H1] A generator for use with a rotating drive to provide an electric or pneumatic impulse after a number of revolutions comprises a switch unit 19 (20), at least two indexing gear-wheels or sprockets 5, 6 (7, 8) arranged coaxially and having equal crown and root diameters of the teeth circle but different numbers of teeth, wherein the gear-wheels or sprockets have mounted thereon, in an angularly adjustable manner, respective cam rings 11, 12 (13, 14) and are driven at different speeds by engaging their teeth with a common pinion or sprocket or respective pinions and sprockets on a drive shaft of the rotating drive, each cam ring having a lobe or depression such as 12a, and the arrangement being such that the switch unit is actuated when the lobes or depressions are aligned with each other and with a fixed datum. As shown in Figs. 1 and 2 the device forms a double limit switch for electric control of greenhouse windows, for example. A sealed chamber 1, through which drive shaft 3 passes, houses two switches 19, 20 mounted on a plate 16 secured to a fixed spindle 10. Spur gearing 4 meshes with two pairs of gears 5, 6 and 7, 8, loosely journalled on fixed spindle 10, and the gears of each pair have 84 and 88 teeth respectively. Annular cam rings 11, 12, 13 and 14 located on respective hubs, such as 8a, are adjustably secured by grub screws 24 such that the recesses 11a, 12a coincide to operate switch 19 when the windows are closed and recesses in cam rings 13, 14 coincide to operate switch 20 when the windows are fully open. One of the cam rings may have more than one recess, for example, four (as in Fig. 6, not shown) and thus produce impulses after 6, 15, 26 and 44 rotations of drive shaft 3. A very compact arrangement using coincidence of three cam-gears (46, 47, 48, Fig. 7, not shown) has hollow hubs one within another and the addition of another set of cam-gears in mirror image fashion (50) may provide double limit switching with extensive movement range. The embodiment of Figs. 8 and 9 uses a microswitch 59 with an actuating lever having a laterally flexible portion 60 and a rod portion 62 which follows a groove formed by conical surfaces 55, 56 of two gears 53, 54, each having a respective lobe or wing such as 58. Passage of one lobe merely deflects lever end 60 laterally to left (Fig. 10, not shown) or right (Fig. 11, not shown) without actuating switch 59, but when the lobes coincide (Fig. 12, not shown) the arm is lifted radially and switch 59 is operated.
Patent GB-1286012-A (GB)
Title: Paint applicator
Inventor: GODFREY MICHAEL JOHN CATO
IPC: B05C1/06
Filed: 1970-08-28
Abstract: 1286012 Paint applicators M J C GODFREY 19 April 1971 [28 Aug 1970] 41432/70 Heading A4K [Also in Division B2] A paint applicator for use underwater, comprises a roller brush 7 rotatably mounted in a casing 1 having an inlet 14 provided with a valve, Fig.1 (not shown) for supplying paint to the brush. The casing, which may be provided with a handle 21, is closed by a shutter 8 thereby surrounding the brush. Paint spreading pads 20 may be detachably secured to strips 18 which are positioned on either side of the casing.
Patent GB-1025953-A (GB)
Title: Improvements in or relating to photographic cameras
Inventor: HARTER PAUL
IPC: G03B7/12
Filed: 1962-11-02
Abstract: 1,025,953. Photographic cameras. EASTMAN KODAK CO. Nov. 2,1962 [Nov. 2,1961], No. 41517/62. Heading G2A. In a photographic camera adapted for interchangeable lenses of different maximum apertures and having means for effecting automatic control of diaphragm setting in accordance with photoelectric scene brightness measurement wherein a stepped meter needle follow-up plate determines the diaphragm adjustment, the followup plate is movable in a direction other than this follow-up direction in accordance with the maximum aperture of the lens in use. As shown, the photo-electric exposure meter 4 has two integral needles 5a, 5b, the latter being visible over a scale 6a centred on the meter axis 4a. On depression of the camera release, a clamping plate 7 is moved downwardly to hold the needle 5a against a raised flange on the support 3 and thereafter the plate 10 moves downwardly until the stepped member 11 engages the clamped needle and also moves a similar distance, a control member 19 controlling the diaphragm aperture. To take account of the maximum aperture of the lens in use, each lens is provided with an appropriate control surface which on attaching the lens to the camera moves a control pin 16 which via a lever 15 displaces a slide 14 carrying a pin 13 connected to the member 11 which is slidably mounted in the plate 10.
Patent GB-971610-A (GB)
Title: Recessing tool
Inventor: BENJAMIN MILTON LLOYD
IPC: B23B29/034
Filed: 1962-11-02
Abstract: 971,610. Boring tools. ERICKSON TOOL CO. Nov. 2, 1962, No. 41590/62. Heading B3C. A boring tool for forming recesses comprises a body 1 having an eccentric bore 15, and an axially spring-urged cutter 6 whose cutting edge is radially adjustable relative to the body, by rotation of the cutter. The body is secured to a drill shank 3, and rotatably carries a sleeve 7. A pin 5 carried by cutter 6 co-operates with a helical slot 4 in the body, and the ends of the pin are located in sleeve 7. A nut 9 is screwed on sleeve 7 and carries an axially adjustable sleeve 10, which in turn carries a thrust bearing 11 and a stop 12. In operation with cutter 6 in the Fig. 2 position, the tool is passed into the bore W of the work, until stop 12 abuts a plate 20. Downward movement of body 1 is continued, and due to pin-and-slot connection 15, 4, cutter 6 is turned to allow its cutting edge to move radially, to cut into the bore, as the whole tool is rotated. In a modification, the cutter has replaceable bits which are splined to the cutter shaft.
Patent GB-1237361-A (GB)
Title: Improvements in or relating to radio direction finders
Inventor: BYATT DENNIS WILLIAM GEORGE
IPC: G01S1/02
Filed: 1964-10-12
Abstract: 1,237,361. Radio direction finders. MARCONI CO. Ltd. 17 Aug., 1965 [12 Oct., 1964], No. 41638/64. Heading H4D. A radio direction finder is formed of quarterwave unipole aerials equally spaced along the circumference of a circle, the diameter of which is at least twice the working wavelength. Each aerial feeds into an associated stator plate of a capacitative goniometer the rotor of which is turned in synchronism with the time base of the display tube. To produce time simultaneity of the combined received signals, graded delay lines are provided at the rotor plates. The summation signal is supplied to a differentiating amplifier the output of which provides a sharp and accurate indication of the maximum of the sum pattern. A non-linear amplifier may be incorporated to reduce the minor lobes of the main beam.
Patent GB-978308-A (GB)
Title: Isomerisation process
IPC: H04J3/16
Filed: 1962-11-06
Abstract: Olefins capable of double bond shift are isomerized in the presence of sepiolite as catalyst.  The sepiolite preferably has a surface area of at least 100 m.2/g. and has been washed with acid to remove alkali metal. Conversion is preferably effected in vapour phase at 50-500 DEG  C. and 0.1-10 vol./vol./hr. in the presence of an inert diluent, e.g. nitrogen in a ratio to hydrocarbon of 0.1-10 : 1.  The examples illustrate the conversion of 4-methylpentene-1 to 4-methylpentene-2 and 2-methylpentene-2.
Patent GB-1037836-A (GB)
Title: Improvements in or relating to mobile ballast cleaning machines
IPC: E01B27/10
Filed: 1963-10-24
Abstract: 1,037,836. Cleaning railway ballast. V. SEIDL [trading as BAUUNTERNEHMUNG DIPLING. ARCH VIKTOR SEIDL-BAUMEISTER VORMALS FRANZ SIMON'S WTW]. Oct. 24, 1963 [Oct. 29, 1962], No. 41971/63. Heading E1G. A mobile machine for cleaning ballast between a rail track and a roadbed comprises two carriers 40 disposed at the sides of the track on rollers engaging either the outer ends of the sleepers or rails 5 mounted thereon, the carriers being joined by a scraper box 6, below the sleepers, passing ballast by a conveyer 14 to a screening device 15, 16 feeding a delivery conveyer 22, the scraper box, conveyer 14 and screening device being arranged outside the clearance space necessary for the passage of a train and the delivery conveyer 22 being pivotable out of that space. The scraper box, which may have a hinged base to suit the road bed, comprises a scraper chain 7 driven by a motor 13 mounted on one carrier 40. A second motor 13 mounted on the other carrier 40 provides a drive for the short conveyer 14 moving ballast from the scraper and from berm ploughs 10 to a double screening drum 15, 16 mounted on a frame 23 supported from one of the temporary rails 5 secured to the sleeper ends. The delivery conveyer 22 is pivoted below the screening drum outlet and supported by an articulated joint from the rail 5 to be movable out of the space required for the passage of a train. Hydraulic jacks may be provided between the scraper box and the sleepers to bear the weight of the train. Ratchet operated rope winches on each carrier provide for movement of the machine in a forward direction. A horizontally vibrating tamper 37 actuated by hydraulic and mechanical means 38 from the rear of the scraper box 6 may pack the cleaned ballast delivered by the conveyer 22.
Patent GB-858715-A (GB)
Title: Improvements in or relating to surface treating apparatus
IPC: A47L11/206
Filed: 1957-03-22
Abstract: 858,715. Floor-cleaning machines; grinding. ELECTROLUX Ltd. March 22, 1957 [March 29, 1956], No. 42172/58. Divided out of 858,712. Classes 60 and 138(1).  A floor cleaning machine has a disc-like driving member for a tool supported thereon by a part spherical bearing and held in position by a spring controlled releasable device, the tool being allowed to tilt relatively to the drive member. Brush 54 is driven by a female dog clutch of a driving pulley which makes contact with projections 114. A spherical projection 111 of the driving member co-operates with surface 112 formed in the brush to accommodate slight variations in alignment. The brushes are secured to their driving members by a central locking device 55 consisting of a chuck passing through an opening 115 in projection 111 and gripping around the rear edge of this opening. The chuck is movably supported in central bore 116 of brush disc 117 and consists of two jaws 118 with a spring loaded pin 119 between these jaws held in position by ring 120 and having a conical portion 121 at its top, cam 122 at its centre and a push button 123 at its base. When button 123 is pressed, spring 124 between cam 122 and the lower end 125 of jaws 118 is compressed, causing the upper ends 126 of jaws 118 to pivot towards each other to make them able to pass through opening 115 and enabling the brush to be removed. A similar effect is produced simultaneously on jaws 127 by the combined effect of ring 120 and springs 128 which cause the jaws to pivot and release a felt disc 106 when button 123 is pressed. A similar locking device may be used to attach a grinding disc 107 to a rubber ring 130 used in place of brushes, which may have ribs 131 concentric with the centre of the disc with transverse ridges 132 or radial ridges 133 and only two concentric ribs 134, Fig. 9.
Patent GB-1122007-A (GB)
Title: Improvements in photo-recording apparatus
Inventor: WARD DENNIS CHAPMAN
IPC: G03B17/24
Filed: 1965-10-05
Abstract: 1,122,007. Checking receipts. W. VINTEN Ltd. 23 Dec., 1965 [5 Oct., 1965], No. 42284/65. Heading G4T. [Also in Division G2] The apparatus is the same as is described and illustrated in Specification 1,053,669, except that it is not attached to a cash register, and the slip or document is inserted into the apparatus in a sliding drawer, which initiates illumination and exposure.
Patent GB-990096-A (GB)
Title: Improvements relating to thermostats
IPC: G05D23/12
Filed: 1962-11-09
Abstract: 990,096. Valves. DAIMLER-BENZ AG. Nov. 9, 1962 [Nov. 18, 1961], No. 42421/62. Heading F2V. [Also in Division G1] To dampen the movement of the bellows 5 and associated disc valve 7 in a thermostatically operated cooling system of a car engine, the bellows 5 is mounted inside a bell 10 which is secured to the supporting stirrup 4, has a bore for the passage of valve rod 6 and is provided with a few small bores or slits 11. If the thermostat is installed horizontally at least one of the bores 11 is arranged at the highest point of the bell 10 for venting purposes.