baber/WOPTO huggingface dataset:
Patent GB-301109-A (GB)
Title: Improvements in or relating to sleeve valve internal combustion engines
IPC: F01L5/10
Filed: 1927-08-26
Abstract: 301,109. Ricardo, H. R. Aug. 26, 1927. Cylinders, ports and passages for.-In engines having sleeve valves subject to a combined reciprocatory and oscillatory motion, the passages conducting the charge to the inlet ports are so formed as to reduce the tendency of the charge to rotate about the cylinder axis owing to the lateral component of the motion of the sleeve valve. In the form shown in Fig. 3, the inlet passage F<5> leading to the inlet ports F<3> is arranged at one side of the cylinder so as to tend to set up a swirl in the incoming charge which is opposed to that due to the motion of the sleeve valve H<1>. The effect may be increased by inclining the edges of the ports F<3> as shown at F<6>. In another form, Fig. 4, the inlet ports F<7> are fitted with radial guide vanes J; or the vanes may be set obliquely in the direction opposing the natural swirl.
Patent GB-1093897-A (GB)
Title: Process of preparing polyester resin
IPC: B32B27/00
Filed: 1965-05-26
Abstract: New copolyesters are made by reacting together (a) 60 to 75 mol. per cent of terephthalic acid (or an ester-forming derivative thereof); and (b) 25 to 40 mol. per cent of hexahydroterephthalic acid (or an ester-forming derivative thereof); with (c) a molar excess of a glycol of formula HO(CH2)nOH, where n is 2 to 10. Reaction is continued until the polyester has a specific viscosity of at least 0.4, as measured at 25 DEG  C. on a 1% solution of the resin in a 60:40 mixture of phenol and tetrachloroethane. Examples describe the manufacture of polyesters by reacting dimethyl terephthalate, dimethyl hexahydroterephthalate and ethylene glycol.  The polyesters are used in the manufacture of laminates (see Division B5).
Patent GB-150990-A (GB)
Title: An improved automatic electrical chain welding machine
IPC: B21L3/02
Filed: 1920-07-28
Abstract: 150,990. Union [Firm of]. Sept. 2, 1919, [Convention date]. Drawings to Specification. Heating by electricity.-Water-cooled electrodes for welding chains are provided with thin flat copper contact pins projecting as little as possible from their holders and the ends of which are cut off parallel at an angle of 45 degrees so that when one end is worn the rod may be reversed.
Patent GB-1051959-A (GB)
IPC: E01C19/00
Filed: 1965-04-14
Abstract: 1,051,959. Automatic position control. G.E. LONG and H. G. ANSON. May 28, 1965, No. 22738/65. Heading G3R. [Also in Division E1] In a travelling machine having two independently movable portions, one is maintained at a desired height by automatic control and the other is automatically controlled to maintain a constant slope of means connecting the two portions. As applied to an automatic paving machine, Fig. 1, (not shown), asphalt issuing from an opening 3 at the rear of a vehicle is smoothed and levelled by a screed 14 having an adjustable angle of attack and supported by arms 7 and 8 which are adjustable vertically by electric or hydraulic reversible motors 12 and 13 on each side of the vehicle. A cross-beam 23 coupling arms 7 and 8 carries a pulley 21, or skid type feeler, to detect the height of screed 14 relative to a guide wire 24, or previously laid surface, respectively. The feeler actuates a two-way drum switch controlling, through relays, the motor, e.g. 12, associated with one arm, e.g. 8, so that one side of the  layer of asphalt is maintained at a level defined by the wire or previously laid surface despite any irregularities in the ground over which the vehicle is travelling. If desired, lateral deviations of the feeler may be arranged to steer the vehicle to maintain its course parallel to the wire automatically. Cross-beam 23 also carries a two-way switch unit 88 operated by a damped pendulum detecting changes in the transverse inclination of screed 14. The pendulum, which is gimballed. to counteract the effect of longitudinal tilt, controls, through the two-way switch unit and further relays, the motor, e.g. 13, associated with the other arm, e. g. 7, to maintain the transverse inclination of the asphalt at a value determined by adjustments to the switch unit. The sensitivity of the switch unit may be varied by adjusting the position of its contacts or introducing resistance-capacity networks. When it is desired to progressively vary transverse slope as the vehicle travels along, e.g. to produce a banked curve, a rotary switch driven with the vehicle produces a number of pulses, dependent on the distance travelled, which, starting from one value of the slope, actuate uni-selector switches preset to pass a predetermined proportion of the pulses to one or other of two stepping motors adjusting the datum of the pendulum switch unit progressively until the desired new slope is produced at the required distance. Constructional details of the detectors, which may incorporate indicator lamps, is given.
Patent GB-615168-A (GB)
Title: Improvements in or relating to door locks
IPC: E05B63/04
Filed: 1946-07-30
Abstract: 615,168. Locks and latches. BACKHOUSE, H. T. July 30, 1946, No. 22745. [Class 44] In a door lock or latch of the kind in which the case has a removable false front cover-plate through which the head of the latch-bolt extends, and in which both the casing and the cover-plate embrace the bolt head so as to prevent rotation thereof, the bolt head 100 is arranged to be withdrawable, against the action of a spring 128, beyond the lock casing and rotatable in order to change the hands of the lock, and the extent to which the head may be withdrawn is so limited that it cannot be withdrawn beyond the cover-plate 104, so that the latter must be removed before the aspect of the head can be reversed. As shown, the latch head 100 is mounted slidably on a slide 101 by means of a screw 126, and a spring 128 which normally holds the head up to the slide 101, but allows it to be pulled out only to the extent shown in chain lines, at which position the spring becomes coil bound. As the inner end of the head is still within the opening in the plate 104, it cannot be rotated until the latter is removed. In the lock shown the slide 101 is outwardly urged by a spring 105, and is withdrawable by means of followers 108, 109 mounted on the spindles of inside and outside handles. A pawl 111 pivoted to the casing has one arm 113 engageable with the slide to prevent withdrawal, an arm 114 engageable with the followers 108, 109 on turning the latter in locking direction, and an arm 115 constituting an abutment engageable with the followers to stop movement thereof in looking direction. Specifications 496,776 and 572,586 are referred-to in the Provisional Specification.
Patent GB-1352549-A (GB)
Title: Unsaturated cycloaliphatic compounds
IPC: C07C13/02
Filed: 1971-04-19
Abstract: 1352549 Large ring cycloalkapolyenes YEDA RESEARCH & DEVELOPMENT CO Ltd 19 April 1971 [26 Feb 1970] 22763/71 Heading C5E Cycloalkapolyenes of 20 carbon atoms or more are produced by oligomerizing a cycloalkene of 5 or 7 to 15 carbon atoms in dilute aliphatic solution in the presence of a tungsten hexachloride-alkyl aluminium dichloride catalyst and separating the product into fractions comprising dimeric dienes, trimeric trienes &c. Cycloalkadiene products may be partially hydrogenated to cycloalkenes and the process repeated to obtain larger cycloalkadienes. Examples describe the oligomerization of cyclo - docene to give C 24 , C 36  and C 48  cyclopolyenes, and the oligomerization of cyclopentadecaene to C 30 , C 45  and C 60  cyclopolyenes. The C 24  cyclodiene may be selectively reduced to the C 24  cyclomonene by (i) hydrogenation over K/Al 2 O 3  catalyst (ii) reduction with hydrazine hydrate in the presence of CuSo 4  or (iii) hydrogenation over palladized charcoal. The isomerization of 1,13 cyclotetracosadiene to 1,3 cyclotetracosadiene by use of iron pentacarbonyl catalyst is also described. The cyclo olefins may be completely hydrogenated to cycloparaffin for characterization purposes. It is stated that the large ring cycloolefins undergo further metathetic rearrangement to give catenanes (interlocked ring systems), nectinodanes (knotted loop systems) and plectanes (cyclic twisted strip systems).
Patent GB-424270-A (GB)
Title: Improvements in or relating to apparatus for producing concrete or cement building blocks and the like
IPC: B28B5/08
Filed: 1933-08-15
Abstract: 424,270. Moulding concrete &c. blocks. REINFORCED CONCRETE BUILDINGS, Ltd., and TEMPLE, J. E., 2, Robert Street, Adelphi, London. Aug. 15, 1933, No. 22783. [Class 87 (ii)] A machine for casting concrete or cement blocks comprises a rotary framework or table A composed of four channel irons a, a<1> intersecting one another at right angles, the projecting portions of the channel irons providing supports for four moulds K thus arranged symmetrically around the table, the table being supported on wheels or rollers C running on a circular rail C<2>, and mechanism for intermittently rotating the table so that in each movement a mould moves to a position previously occupied by an adjacent mould. The channel irons a, a<1> are reinforced by frame members A<1> secured to a bearing A<2> wherein a shaft B is fixed. A motor D drives the shaft B through worm gearing D<1>, D<2>, the motor and gears being set in pits E, E<1> below ground level. The motor is stopped by moving a plunger g<2> which also engages notches in a disc g<1> on the shaft B for positioning the table intermittently. The table carries a structure whereon four tamping plates H, one for each of four moulds, with counterweights H<4> are pivoted. The mould may have a pivoted front plate and a wheeled pallet support and, as shown, is of the form described in Specification 424,269 with liners as set out in Specification 424,267. The machine may be used for carrying out the method of Specification 424,268 so that at four positions of the table the various steps may be effected, such as : charging facing layer and discharging block, inserting the bonding layer, positioning cores and placing porous concrete around them, and filling up with porous concrete and tamping.
Patent GB-1067997-A (GB)
Title: Swivel joints for conduits
IPC: E21B17/05
Filed: 1964-08-04
Abstract: 1,067,997. Rotary joints; bearings. FMC CORPORATION. Aug. 4, 1964 [July 29, 1963], No. 22817/66. Divided out of 1,067.996. Headings F2A and F2G. A swivel joint for conduits comprises a coupling member 11 having a cylindrical outer surface provided with an annular raceway 16, an annular outer bearing 50 including a pair of interchangeable portions 52, 54 circumscribing the member and having an outer raceway 62. ball members 85 engaging in the raceways, and a coupling member 20, and means extending through and connecting the bearing to the member 20. The coupling is fully described in the parent Specification.
Patent GB-1104265-A (GB)
Title: Improvements in sealing ends for heavy current cables
IPC: H02G15/068
Filed: 1965-05-28
Abstract: 1,104,265. Cable terminations. NORDDEUTSCHE KABELWERKE A.G. 28 May, 1965 [29 May, 1964], No. 22832/65. Heading H2E. The cable termination described differs from that described in Specification 1,002,739 only in that the stress shield 2 consists of a metal braided tube, like a cable draw-on hose, thus enabling the stress shield to be used on cables 3 of differing diameters. The coating 7 on the conductor 8 may be made of P.V.C. and the solder fillet 10 may be surrounded by a layer of glass silk 11.
Patent GB-1112423-A (GB)
Title: Improvements in or relating to finishing apparatus
IPC: B24B31/02
Filed: 1964-06-02
Abstract: 1,112,423. Finishing. ALMCO SUPERSHEEN DIVISION OF GREAT BRITAIN Ltd., and C. J. A. KELLARD. 2 June, 1965 [2 June, 1964], No. 22839/64. Heading B3D. Finishing apparatus comprises (a) a container into which workpieces to be finished and finishing media can be introduced and from which workpieces and finishing media can be discharged; (b) means for rotating or vibrating the container; (c) a hopper having closable outlet means and being positioned above the container and arranged to supply finishing media to the container under gravity through the outlet means; (d) means for separating discharged finishing media from the discharged workpieces; (e) trough means arranged to collect the separated finishing media; (f) one or more conduits arranged to provide communication between the interior of the trough means and the interior of the hopper; and (g) means for so reducing the pressure inside the hopper as to cause the media in the trough means to return through the or each conduit to the hopper. A rotary barrel 1, Fig. 2, has in one side wall 5 an opening for charging and discharging workpieces and surface finishing media, e.g. limestone chips, into and from the barrel; the opening has a detachable cover 6. The discharged material is directed by baffles 10 on to a screen 7. Workpieces are discharged off the end of the screen into suitable receptacles. Media falls through the screen into a shoot 8 which directs it into a collecting trough 9 having baffles 15 directing it towards pipes 14 at each side of the machine. The pipes 14 connect with a hopper 11 above the barrel. A motor-driven fan or blower unit 16 produces reduced pressure within the hopper so that media is conveyed from the trough 9 through the pipes 14 to the hopper 11. Flexible curtains suspended within the hopper direct the media from the pipes 14 into the lower portion of the hopper. The latter has a gate 12 operable by a handle 13 for discharging media into the barrel. In another embodiment, Fig. 4, the contents of a vibratory barrel are discharged through a gate 19 in one end wall of the barrel on to a shoot 20 having a perforated section through which media falls into a trough 22. A motordriven blower or fan unit 26 produces reduced pressure within a hopper 23 so that media is conveyed from the trough 22 through a pipe 27 to the hopper 23. The latter has a gate 24 for discharging media, via a pivoted shoot 25, into the barrel. The media and workpieces may be separated by a magnetic separator. The hopper discharge may include a rotary outlet valve enabling the media to be fed into the barrel in metered quantities. The hopper may be divided into compartments for storing media of different sizes, the compartments being connected to the suction pipe through branch pipes connected therewith by a rotary butterfly valve.
Patent GB-1106234-A (GB)
Title: Process for the oxychlorination of organic compounds
IPC: B01J27/24
Filed: 1965-05-28
Abstract: C2 or C3 alkanes, C2- 4 alkenes or thei partially chlorinated derivatives are oxychlorinated by reaction in the vapour phase with a chlorinating agent (e.g. Cl2, HCl or mixtures thereof) and an oxygen-containing gas, using as catalyst a complex comprising a major proportion of alumina and a minor proportion of a halide of one or more metals of variable valency, formed by co-precipitation of the alumina and halide. Specified metals of variable valency are Cu, Sc, Ti, V, Ni, Cr, Co, Fe, U, Ag and Au.  Examples react C2H4 to give mainly ClCH2CH2Cl; and ClCH2CH2Cl to give mainly Cl2CHCHCl2, together with some ClCH2CHCl2 and C2Cl4.ALSO:An oxychlorination catalyst is a complex comprising a major proportion of alumina and a minor proportion of a halide of one or more metals of variable valency, formed by coprecipitation of the alumina and the halide.  Specified metals are Cu, Sc, Ti, V, Ni, Cr, Co, Fe, U, Ag and Au.  A specific catalyst is prepared by mixing sodium aluminate solution with cupric chloride solution containing sufficient HCl to coprecipitate the alumina and the CuCl2.
Patent GB-242208-A (GB)
Title: Improvements in mud-protectors or guards for automobiles and other vehicles
IPC: B60B7/00
Filed: 1925-09-14
Abstract: 242,208. Key, W. O. M. Sept. 14, 1925. Mud-guards rotating with wheels.-A device for preventing mud-splashing by vehicle wheels comprises ring-shaped plates 4, 5 fixed to the wheel rim on one or both sides and extending outwards of the rim to nearly the middle of the tyre, and flexible rings 1, 2 of rubber or the like secured by rivets 6, or detachably secured by keys or the like, to the plates 4, 5 respectively. As shown in Fig. 1, the plates 4, 5 may be held m position on the rim by clamps 9 embracing the plates, each clamp having an inwardly directed tube 10 slidably carrying a spring bolt 11 which ends in a rubber wedge 12 fitting between the spokes. In steel-spoked wheels, the plates 4, 5 are pressed to the rim by springs fitted between hooks formed on the plates. In disc wheels or the like, the plates are fixed by screws.
Patent GB-415885-A (GB)
Title: Improved apparatus for rapidly setting or drying printing ink and the like
IPC: F26B3/34
Filed: 1933-08-18
Abstract: <PICT:0415885/III/1> A process for causing the rapid drying of printing ink or the like on a web, sheet, or other body consists in passing the web &c. through the space between an electrode and a dielectric, whereby the ink is subjected to the action of an electric discharge passing between two spaced electrodes having the dielectric between them.  The electrodes may take the form of a cylinder 1 and a set of vacuum tubes 3, the glass or other walls of which are of any suitable shape and constitute the dielectric, and which are connected in parallel, and the printed web a is passed over the cylinder 1 and through the electric flux which exists between the electrodes when the circuit is completed.  In a modification, the vacuum tubes are replaced by a plate electrode, shaped to conform to the cylinder 1, and the two are separated by a sheet of dielectric and by an air gap through which the printed web is passed.  The web may be printed on one or both sides and in one or more colours, being dried in this way between each application of ink; a common impression cylinder may be used when printing in different colours on one side of the web, with a plurality of printing cylinders spaced round it, each being separated from the adjacent cylinders by a drying-device.  When ink containing chinawood oil is employed for the printing, the colour of the ink is also stated to be changed by the treatment by imparting thereto a bluish-black tinge.  The drying action may be accelerated or retarded by adding catalysts to the ink &c. by varying the voltage, current, or frequency of the electric supply, or by varying the voltage between the electrodes or the thickness of the dielectric.
Patent GB-1358833-A (GB)
Title: Automatic signal registration in colour television cameras
IPC: H04N9/093
Filed: 1971-08-12
Abstract: 1358833 Colour television EMI Ltd 12 Aug 1971 [13 May 1970] 23116/70 Heading H4F Automatic registration of the scanning rasters of two pick-up tubes in a colour television camera with respect to amplitude and/or orientation and/or shape differences in addition to displacement differences in the two rasters, is effected by comparing the two trains of video signals using the displacement registration circuit described with reference to Fig. 1-7 in Specification 1,316,420 to produce an output signal on a first conductor if a shift to the left is required or on a second conductor if a shift to the right is required, these signals having opposite polarities, and instead of applying these signals directly via an integrating circuit to the scanning circuits of one of the tubes (as in Specification 1,316,420 for displacement registration) they are applied to the integrating circuit via a commutating circuit. Amplitude and displacement registration of a rectangular contour 2, Fig. 1, produced by the red pick-up tube with the corresponding rectangular contour 3 produced by the green pickup tube, is effected by coupling the first conductor (referred to above) to the terminal 10, Fig. 2, of a commutation circuit, and the second conductor to terminal 11, the outputs 12 and 13 (which are arranged to be of opposite polarities) being connected to the integrating circuit. The commutating circuit includes a bi-stable circuit 14 which controls AND gates 15 and 16 and inhibit gates 17 and 18, and buffer gates 19 and 20, and operates for horizontal registration to couple terminals 10 and 11, to terminals 12 and 13 respectively whilst the scanning beam lies to the left of the vertical centre line 6-7 in Fig. 1, and to couple terminals 10 and 11 to terminals 13 and 12 respectively when the scanning beam lies to the right of the line 6-7. The bi-stable is triggered to its "1" state when the scanning beam crosses line 6-7. Circuit 14 may be monostable, gates 17 and 18 being AND gates and gates 15 and 16 inhibit gates. Vertical registration may be effected in a similar manner, a one line period delay being used. To compensate for changes in orientation, e.g. relative "tilt", or changes in shape, e.g. relative pincushion distortion, a more sophisticated commutating arrangement is required, e.g. the screen (raster) area is divided into quarters to correct for relative "tilt" (Fig 4, not shown). To correct for differences in shape between rasters caused by non-linearity of the scanning beam velocity the screen is divided into more than four regions, e.g. 16 regions. Amplitude compensation is effected more rapidly than orientation compensation, and orientation compensation more rapidly than shape compensation.
Patent GB-157506-A (GB)
Title: Improvements in and relating to safety fastenings for hair slides
IPC: A45D8/32
Filed: 1919-09-19
Abstract: 157,506. Bour, P. L. Sept. 19, 1919. Hair-slides.-Relates to hair-slides with a pivoted pin engaging a hook at its free end and in which the pin or the hook must be pushed in the longitudinal direction of the pin against spring pressure for disengagement, and consists in arranging the spring longitudinally of the slide so that the hair is gripped between the spring and pin with the result that the thicker the tuft of hair the more secure the fastening. In the form shown in Fig. 1, the hook 2, 3 is fixed, the pin 9 is carried by a. frame 7 pivoted at 4, and the spring 18 bears against a heel 16 of the frame 7. In the form shown in Fig. 8, the hook 34 is pivoted at 35 and the spring 38 bears, against a heel 36 of the hook, the pin 41 being pivoted to the fixed standard 32. In the form shown in Fig. 9, the spring is pivoted to the hook and slides freely beneath the standard 52. The base of the slide is rigid and may be of waved or curved section.
Patent GB-258730-A (GB)
Title: Improved construction of electric-motor ceiling fan
IPC: F04D25/06
Filed: 1925-09-17
Abstract: 258,730. Veritys, Ltd. and Lanz, A. Sept. 17, 1925. Mounting: fan apparatus.- An electric ceiling-fan is carried by a hollow pendant shaft a receiving the motor 'leads e, f and connected coaxially to a shaft d which supports the stator g at its lower end. The stator is formed as a cylinder surrounding a tube m mounted on the shaft d and extended at its upper end to form the rotor. The rotor carries fan blades n and is completed by a cover q. The stator core k and coils l are placed opposite the rotor core o and coils o<2>. The tube m rests on a step bearing h lubricated by oil in the space between the stator g and tube m. Passages w in the tube m lead to spiral grooves r on the shaft d and to a chamber r' having outlets r<3>. A lubricant funnel s is reached through an aperture s<2> in a cap c serving to connect the shafts a, d.