baber/WOPTO huggingface dataset:
Patent GB-1183467-A (GB)
Title: Improved Multi-Colour Sheet-Fed Rotary Printing Machine
IPC: B41F13/00
Filed: 1967-05-26
Abstract: 1,183,467. Printing machines. OFFICINE MECCANICHE CIGARDI S.A. 26 May, 1967 [28 May, 1966], No. 24627/67. Heading B6C. In a rotary multi-unit multi-colour sheetprinting machine each unit 10<SP>1</SP>-12<SP>1</SP> is provided with an individual motor driving an individual gear train, the individual trains being phasedly connected by gear components each comprising a first gear 37, 39 coaxial with a second gear 38, 40, the first gear meshing with a gearwheel of a first adjacent train and the second gear meshing with a gear-wheel of a second adjacent train, and a pin clutch (Fig. 3, not shown), releasably coupling the first and second gears. Handles 32 actuate the clutches. The motor (12), Fig. 1, (not shown), of a central unit is of sufficient power to drive the machine, whereas the remaining motors (20, 22) are adapted to drive their respective units only, when the clutches are disengaged, to phase the units.
Patent GB-973587-A (GB)
Title: An improved friction free joint or flexible coupling, and rotary wing aircraft rotorassembly incorporating same
IPC: B64C11/04
Filed: 1962-06-27
Abstract: 973,587. Resilient joints. L. BOLKOW, [trading as BOLKOW-ENTWICKLUNGEN KOMM. GES.]. June 27, 1962 [June 28, 1961], No. 24672/62. Heading F2S. [Also in Division B7] In a flexible coupling, e.g. for connecting rotor blades to the rotor head of a rotary wing aircraft, the ends 3a of elastic elements 3 are secured in bores 1a, 2a in anchoring parts 1a, 2a located in parallel planes so as to be spaced more widely on the part 1 than on the opposite part 2 and so that the centre lines of at least the free lengths of the elements 3 are situated substantially on the surface of a cone or wedge and extend radially outwards from a common point of intersection S. In a modification, Fig. 3, consisting of leaf springs 5 fixed, in wedgeshaped formation, between parts 6, 7, the coupling, capable of bending deformations in only one plane, can also act as a torsional link. The elements are thickened at their anchoring parts, alternatively, as shown in Fig. 7, ele - ments of constant cross-section can be guided in tapered supporting sockets such as shown at 8. Instead, the bores which receive the elements can be provided with rounded-off mouths or they may be faced with a resilient covering. In a coupling, Figs. 7-9, for connecting a rotor blade 25 of an aircraft to an anchoring part 28 on a rotor head glass fibre rovings 23, used in the construction of the rotor blade, pass through alternate bores 24, 26 respectively in a guide 50 at the inner end of the blade 25 and the part 28 and are turned back over guide blocks 37 at the rear face of the part 28 and then taken back through adjacent vacant bores in the part 28 and the guide 50 the guide blocks 37 being accommodated in recesses which are filled with synthetic resin material 38 and are covered by plates 39. A thin metal part 41 surrounds the rovings 23 the spacings between which are filled with a synthetic resinous material 42. A control arm 43 is provided for adjusting the rigging angle of incidence of the rotor blade. In a modification, Fig. 10, not shown, a coupling for flexibly connecting a rotor blade to a rotor head is formed from a single fibre glass roving moistened with synthetic resin. The elements are always made of a light-weight material having a low modulus of elasticity and which is capable of taking up considerable tensile and compression forces.
Patent GB-1005619-A (GB)
Title: Improvements in and relating to the deposition of copper on non-conductive surfaces
IPC: H05K3/18
Filed: 1963-06-21
Abstract: Non-conducting porous surfaces, e.g. paper or board, are coated with copper by first impregnating the surface with a reducible copper sulphate solution, heating the impregnated surface under pressure which forms a certain amount of copper oxides, and then re-immersing in the copper sulphate solution with an applied voltage which forms the copper coating. The copper sulphate solution includes caustic soda and a little formalin or sugar together with either citric or lactic acid, Rochelle salt, or glycerin.  A number of the impregnated sheets may be (1) coated with adhesive and placed together, with a sheet of copper foil on each side, and heated at up to 250  DEG F. at 100 lbs. p.s.i.  A resist pattern applied, holes made as necessary, and then immersed in an electroplating bath containing reducible CuSO4 solution.  Copper oxide is deposited at low current density. The panel is then treated in a reducing copper bath containing sodium carbonate, which reduces the copper oxide to metal, including the oxide coating on the walls of the holes.
Patent GB-1352753-A (GB)
Title: Flexible laminated insulation element
IPC: E04B1/78
Filed: 1971-04-19
Abstract: 1352753 Laminated insulation element O A BECKER 19 April 1971 [19 March 1970 19 Feb 1971] 24689/71 Heading B5N An insulation element comprises two flexible outer sheets usually of plastics material, at least one having a reflective inner surface, the sheets being separated by a flexible lattice defining radiation chambers between the sheets. The lattice is formed from a perforated or slotted and expanded plastics foam, the chambers of which may be vapour-deposited with aluminium, the reflective surface of the outer sheets also being thus formed. The outer sheets may be joined round their edges to form an airtight envelope or the sheets and lattice may be enclosed in a further airtight envelope which may be filled with dry air or N 2  under pressure. The envelope may be provided with valves and may contain CaCl 2 -tubes. The envelope may be protected by outer layers of artificial leather, decorative foil, bent material or coarsely woven fabric, soft foam material usually being provided between the envelope and protecting fabric. The outer sheets can be stretched by means of tension springs or rubber bands connected to stiffeners fitted in the envelope to prevent them sagging into the lattice chambers or this can be prevented by arranging fine nets of stretched material on both sides of the lattice. The stiffening may be provided by rods inserted into folds formed by appropriate welding of the envelopes. In Fig. 2, the element consists of plastics foils la, 1b having reflective coatings of vapour-deposited Al, an expanded foam 2a, layers 4a, 4b of netlike fabric of rubber or cord or of plastics foam which is either perforated or ribbed and outer plastics foils 5a, 5b which may be printed or Alcoated. An additional expanded foam (2b) together with another plastics foil (1c) may be incorporated into the element as in Fig. 3 (not shown) and the element may comprise a number of such lattice and foil layers (Figs. 4 and 5, not shown). In the embodiment of Fig. 6, supporting nets 14 and 15 are provided on each side of the lattice 2b, the nets and lattice being stretched taut by rubber bands 16.
Patent GB-1416096-A (GB)
Title: Container for waste engine oil
IPC: F16N31/00
Filed: 1973-05-23
Abstract: 1416096 Containers BELL PRODUCTS Ltd 8 April 1974 [23 May 1973] 24743/73 Heading B8D A plastics container for collecting oil as it is drained from a vehicle engine sump has a dished rectangularly-shaped side wall portion 7 which slopes towards a drain hole 8 located at a corner of the side wall portion. A vent hole 11 is provided adjacent the drain-hole and both holes are closeable by captive or interconnected stoppers 18 and 19, Fig. 7 (not shown). The dished wall portion is provided with oil guide ribs 10. The opposed container side is formed with a platform portion 14 whilst ribs are provided in the base and end walls, Figs. 4 and 5 (not shown).
Patent GB-1103456-A (GB)
Title: Hermetically sealed variable capacitor
Inventor: ROBERTSON DAVID DONALD
Filed: 1965-06-11
Abstract: 1,103,456. Variable capacitors. INTERNATIONAL STANDARD ELECTRIC CORPORATION. 11 June, 1965, No. 24753/65. Heading H1M. A motor-driven variable capacitor comprises a tubular dielectric portion 4 and metallic end-cap assemblies 2 and 3 hermetically sealed thereto, the stationary electrode comprising concentric cylinders 31 being attached to endplate assembly 2, and the mobile electrode, consisting of concentric cylinders 58 being connected to end plate assembly 3 via expansible metal bellows 52. Metal flanges 14, 41 of the end-caps have thin portions, e.g. 17, to accommodate, by their resilience differences in thermal expansion between the metal and the dielectric. Motor 78, sealed into and insulated from end-cap 3, drives shaft 64, journalled for rotation on the opposite end-caps and prevented from axial displacement, the rotation of the shaft actuating thrust means 61 to effect axial displacement of the mobile electrode. The shaft is supported by metal shell 69 seated on end-plate 3, shell 69 having holes 72, necessary when the capacitor is evacuated or filled with dielectric gas by means of tube 8, shown sealed. The base of the mobile electrode comprises ribs 54 separated by gusset plates 57, best seen in Fig. 3 (not shown), these giving the required rigidity and acting as a heat sink. Metal bellows 52 also aids in preventing rotational movement of the mobile electrodes.
Patent GB-167968-A (GB)
Title: Improvements in or relating to shaving appliances
IPC: A45D27/28
Filed: 1920-08-26
Abstract: 167,968. Temple, H. Aug. 26, 1920. No. Patent granted (Sealing fee not paid). Shaving-appliances. -, A cylindrical case of metal, celluloid, &c. is made in three removably connected sections adapted to contain a razor, soap, and shaving- brush, the upper and lower sections forming handles for the brush and soap respectively when in use. The lower section 1, Fig. 1, is provided with a packing- piece recessed to accommodate the parts of a. safety razor, and carries a mirror 12, preferably concave, in its base. The middle section 2, Fig. 3, contains the soap 8, resting on a perforated base-plate 10, and is fitted to the lower section by a socketed connection or by a screwed or bayonet joint so that the latter forms, a handle for the soap in use. The upper section 3, Fig. 4, fits on to the upper end of the middle section, and carries a shaving- brush 9 which is retained in either operative or closed position by a screwed, 'bayonet-joint, or other connection. Perforations 11 are provided for the ventilation of the brush.
Patent GB-856407-A (GB)
Title: Apparatus and method for preheating cementitious insulating material for moulding
Inventor: HOOPES HARRY PAUL
IPC: B28C7/00
Filed: 1959-07-20
Abstract: 856,407. Moulding cementitious insulating materials. FIBREBOARD PAPER PRODUCTS CORPORATION. July 20, 1959, No. 24811/59. Class 87(2). An aqueous slurry of a light weight porous cementitious insulating material is preheated substantially to the point of incipient thickening in a resiliently supported container 12, preferably made of flexible material e.g. rubber, before its introduction into a mould 26. Steam introduced into the slurry through a pipe 13 causes the container to vibrate gently while the mass of the slurry remains relatively stationary. The inner wall of the container is coated so that the cementitious material does not adhere to it, and the preheated material is discharged from the container through a freely suspended clamping valve 21. The various ingredients of which the cementitious material is composed are fed from a plurality of vessels 2, 3 to a mixer 9, which is vibrated to avoid reaction taking place. The resultant slurry is carried to the container 12 by a travelling container 11. When the steam has raised the temperature of the slurry sufficiently it is shut off by the actuation of a switch by a thermo-couple 19 and the valve 21 is opened, the slurry then flowing through a rubber conduit 22 into a hopper 23, which previously has been positioned over the mould, and then into the mould cavities 24 when pistons 27 are lowered therein. Reciprocating fingers 28 follow the pistons 27 with a limited but rapid reciprocating movement and orient the fibres and crystals in the slurry. The mould is heated by hot water circulation through pipes 29, 31. The slurry sets to a self-sustaining mass of insulating material which is ejected from the mould by the ascent of the pistons 27. As shown in Fig. 2, the preheating container 12 is clamped to a frame 16 at its top, by clamps 14, and hangs freely with a resilience which allows vibration. The steam pipe 13 ends in a double nozzle 36, comprising a wider angled outer cone and a narrower angled inner cone between which steam flows in a manner tending to dislodge any material which accidently becomes preset in the passage. The valve 21 comprises members 42, 43 which, to shut the valve, are moved towards one another to clamp the rubber conduit 22 and are suspended by wires 41 so that the vibration of the container 12 is unrestricted. Examples are given of suitable compositions of cementitious materials, one including crystals of magnesium carbonate trihydrate and another including calcium oxide and diatomaceous earth, suitable temperatures, steam pressures and preheating times being specified.
Patent GB-693613-A (GB)
Title: Improvements relating to circuit arrangements for telephone installations employing s
IPC: H04Q1/446
Filed: 1949-09-27
Abstract: 693,613. Voice frequency signalling. SIEMENS & HALSKE AKT.-GES. Sept. 27, 1949 [Oct. 1, 1948], No. 24822/49. Class 40 (iv). In a voice frequency signalling system voice immunity is attained by arranging that on reception by the receiver of the signal frequency, and when the transmitter is transmitting, the line is blocked to voice frequency signals at a point on the far side of the transmitter from the receiver, thus preventing signals the source of which precedes the transmitter from operating the receiver. The embodiment shown is a 4-wire system equipped for signalling in the W-E direction only but similar arrangements may be provided for E-W signalling. Normal operation. Initiation of a signal at the West terminal results in the closure of contact x in response to each impulse, whereupon S follows and brings up T which shortcircuits the W-E pair on the incoming side of the transmitter and inserts resistances W1 and W2 to maintain the impedance looking back into the pair at 600 ohms. Relay S also repeats the signal as impulses of voice frequency current over the W-E pair and in the receiver TE relay J1 responds. Relays V, VI, and T are thus operated, the former short-circuiting its winding II to render it slow-to-release so that it remains up between impulses. Relay T1 shortcircuits the incoming E-W pair and inserts resistances W3 and W4, while V and V1 bring up F which then interacts with A. A series of impulses of voice frequency current are thus transmitted over the E-W pair. Relay J in the receiver TE1 responds and brings up Ve for the duration of the series. Relay Ve completes an alternative circuit for T. At the end of the W-E signal V relapses, followed by VI, T1, F, and A. The consequent relapse of Ve releases T which restores the circuit to normal. Prevention of operation of receiver by signals from sources preceding the transmitter. A current of signal frequency incoming from the West initially brings up relay J1 and the reversion of impulses over the E-W pair results in the operation of T by Ve. The incoming W-E pair is thus short-circuited to prevent the current from reaching the receiver TE. Means other than short-circuiting the incoming pair may be used for blocking the line to signal frequency currents. If the signalling system is of the type in which the signal proper is preceded by a prefix signal it is arranged that the reverted impulses commence shortly after the termination of the prefix signal or on the reception of the signal proper.
Patent GB-301978-A (GB)
Title: Improvements in lawn mowers
IPC: A01D34/62
Filed: 1927-09-21
Abstract: 301,978. Tibbenham, L. J. Sept. 21, 1927. Wheel - scrapers. - A scraper 9 is mounted on the support for the rear roller 8 of a lawn mower.
Patent GB-1262003-A (GB)
Title: A device for converting information in an office machine or the like from mechanical into electrical form
IPC: G06C15/00
Filed: 1969-05-15
Abstract: 1,262,003. Selective signalling. SVENSKA DATAREGISTER A.B. 15 May, 1969 [28 June, 1968], No. 24857/69. Heading G4H. The setting of a register 12, Fig. 1, in an office machine, or the like, is converted into electric signals by an arrangement of flexible wires 30 positioned by members 14 of the register so as to block, or not block, a circular array of holes 34 which are scanned photo-electrically by a con. tinuously rotating light-guide. The members 14, of which there are five for each decimal denomination of the register-four binary bits and a parity bit-carry projections 16, Fig. 2, which are sensed by pivoted 28 followers 26 to position the wires 30. Each wire either blocks, or unblocks a hole 34, and these are scanned by a rotating pair of light-guides 72, 76 and a stationary photo-electric cell 40. The wires 30 only co-operate with alternate holes 34 of the circular array of holes. The remaining holes are therefore always open and provide clock pulses. Certain of the holes may be permanently closed to provide a pattern of signals indicative of the particular register being read.
Patent GB-957311-A (GB)
Title: Improvements in photographic silver halide emulsion
IPC: G03C1/34
Filed: 1960-07-18
Abstract: Disulphides of the formula: <FORM:0957311/C2/1> wherein R1 and R2 are hydrogen or alkyl or aralkyl groups, m is 0 to 8 and M is a cation, and which contain at least 8 carbon atoms, are prepared by oxidizing mercaptans of the formula <FORM:0957311/C2/2> , for example with hydrogen peroxide or solutions of I2 in aqueous K1. Thus 4, 41-dithio-dibutyric acid is obtained from 4-mercapto-butyric acid. 4-Mercapto-butyric acid is obtained by refluxing g -butyrolactone with thiourea in the presence of hydrobromic acid.  Specifications 706,921, 746,686 and 904,364 are referred to.
Patent GB-151826-A (GB)
Title: Improvements in saddles for motor-cycles, cycles and the like
IPC: B62J1/02
Filed: 1919-10-13
Abstract: 151,826. Brooks, B., and Holt, J. Oct. 13, 1919. Saddles.-In a saddle of the type in which the load is transmitted through coil springs to the rear ends of leaf springs mounted on either side of the underframe, the load is transmitted to the coil springs through a thrustrod depending from the saddle top. In the construction shown, thrustrods 6 are hinged to the saddle top and secured at their lower ends to the inner springs 16 of compound tension and com. pression springs, the upper end of each of the ten. sion springs 9 being connected by a cross-bar 15 to ears 14 upstanding from the rear end of a laminated leaf spring 2, which is pivotally con. nected at its centre to the base bracket 10 of the saddle and arranged at its forward end to bear upon the underside of a pin 13 carried by the bracket 10.
Patent GB-1102534-A (GB)
Title: Halogenated derivatives of methane containing fluorine
IPC: C07C17/10
Filed: 1965-05-27
Abstract: A process for producing halogenated derivatives of methane containing at least one fluorine atom comprises reacting a gaseous mixture containing Cl2 and CH4 with a solid fluorinating agent comprising CaF2 for a contact time of less than three minutes at a temperature of from 180 DEG  to 700 DEG  C. When a fixed bed is used, the particle size of the fluorinating agent is preferably from 1 to 20 mm. while when a fluidized bed of the solid fluorinating agent is used, the particle size is preferably below 14 mesh Tyler and more especially from 42 to 400 mesh Tyler. The chlorides or fluorides of Cr, Ni, Co, Al, Ga, V, Zr, Th, Zn, Fe, Pd, Cu, Bi or Pb may be used as catalysts. Examples describe the production of mixtures containing one or more of CF3Cl, CF2Cl2, CFCl3, CHFCl2, CHF3 and CHF2Cl.
Patent GB-1571208-A (GB)
Title: Volatile uranyl hexaflruoaceto-acetonate complexes
IPC: B01D59/34
Filed: 1977-06-15
Abstract: Uranium isotopes are separated by evaporating a uranyl compound of the formula                      UO2<2(+)>[(F3C-CO-CH-COCF3)2<(-)>.L] <2(-)> in which L is a monodentate ligand, the said uranyl compound being able to be evaporated without decomposition forming a vapour pressure of at least 0.1 mm Hg. The uranyl compound described is irradiated in the vapour phase by a CO2 laser at a wave number of 810-1116 cm<-1> for selective excitation and the excited molecules are then separated from the non-excited molecules.
Patent GB-302975-A (GB)
Title: Improvements in or relating to moulding or vulcanising apparatus or presses
IPC: B29D30/06
Filed: 1927-09-23
Abstract: 302,975. Macbeth, C. Sept. 23, 1927. Moulding wheel tyres.-A vulcanizing &c. mould divided transversely into a fixed member A and a member B hinged at C is opened or closed by toggle links G, H which are retained in the closing position by their weight, a safety catch H<2> being provided also if necessary. On opening the mould the support E for the tyre cover &c. is moved automatically to the position shown. When the mould is open the weight of the movable member B is taken by a spring K. To ensure that the mould parts come together properly the link pivot I is adjustable by means of an eccentric. The hinge may be adjustable in a similar way. Steam may be admitted to the jackets through the hinge pin C. In the mould shown, which is for a tyre cover, the latter is automatically removed when the mould is opened, by a pin M passing through lugs on the bead rings and engaged by forked levers L connected to the member B by a pin and slot arrangement. The mould instead of being integral with the members A, B may be secured to them by screws. The moulding surfaces may be provided by detachable shells. Vents may be provided for the escape of air from the outside of the tyre, for example, as shown in Fig. 8 in which the mould is in two parts joined together by ribs N. In the manufacture of a tyre tube the bead rings are replaced by a single member E<1>, Fig. 12. In a modification for making articles such as air cushions, hot water bottles, the sides of the mould are closed as shown in Fig. 15.
Patent GB-648507-A (GB)
Title: Improvements in, or relating to, carrier cartons
IPC: B65D5/465
Filed: 1948-09-29
Abstract: 648,507. Carrier cartons and bags. WOLVERHAMPTON BOX CO., Ltd., and HALLCHURCH, R. T. Sept. 29, 1948, Nos. 25315 and 26929. [Classes 18 and 133] In a carrier carton, the top of which is closed by overlapping portions 3, 4 on opposite sides of the carrier and held closed by a handle 5 secured to the inner overlapping portion 4 and passing through a slit 10 in the outer overlapping portion 3, the slit is curved or bent at its ends so that notches 12 in the edges of the handle are engaged by the material of the portion 3 adjacent the ends of the slit. The handle may have flanges 6 secured by stitching or adhesive to the portion 4 or may be engaged with this portion in a similar manner to its engagement with the portion 3. The invention may be applied to paper carrier bags in which case the handle may be integral with the inner overlapping portion.
Patent GB-460381-A (GB)
Title: Improvements relating to cutter chains for coal-cutting machines
IPC: E21C25/34
Filed: 1935-09-12
Abstract: 460,381. Coal - cutting machine cutterchains. ANDERSON, BOYES, & CO., Ltd., and ANDERSON, A. Sept. 12, 1935, No. 25324. [Class 68 (i)] [Also in Group XXII] A pick-carrying block for the cutter-chain of a coal-cutting machine comprises a two-part bridge member 1, 2, each part being integral with a side plate 3, 4, and at least one part being apertured to form a pick-receiving socket 7 formed by drilling and broaching; the parts are united by welds 5. Specifications 388,333 and 394,614 are referred to.