baber/WOPTO huggingface dataset:
Patent GB-1024525-A (GB)
Title: Improved means for establishing electrical connection with a conductor made of aluminium or an aluminium alloy
Inventor: CORY KENRICK SYDNEY
IPC: H01R4/26
Filed: 1964-02-01
Abstract: 1,024,525. Coupling members. POWER CENTRE CO. Ltd. Jan. 27, 1965 [Feb. 1, 1964], No. 4395/64. Heading H2E. Connection is made to aluminium conductor 20, Fig. 4, by forcing against it a harder (brass) member 10 having continuous inner and outer circular ridges with at least one ridge between them which need not be continuous. The ridges bite into the aluminium and oxidation of the aluminium in contact with the inner and outer ridges is said to provide a seal and prevent oxidation of the aluminium in contact with the inner ridge(s).
Patent GB-548307-A (GB)
Title: Improvements in or relating to enclosed electric switchgear
IPC: H02B13/075
Filed: 1941-04-02
Abstract: 548,307. Switchgear structures. REYROLLE & CO., Ltd., A., ALLAN, A., and CHRISTIE, J. April 2, 1941, No. 4420. [Class 38 (v)] Each of a number of switchgear panels has a circuit-breaker normally in engagement with a fixed part of the gear and a busbar chamber and feeder chamber each housing an isolating and earthing switch between the circuit-breaker and busbar section or feeder, means being provided whereby isolation of a busbar section from the rest of the bushbar is effected in the bushbar chamber of adjoining panels. The last-named feature is preferably derived from the construction of busbar section set out in Specification 548,306. The panels are arranged side-byside in a row, or in two rows back-to-back and connected to form a ring, Fig. 2 (not shown). The busbars A' ... A<SP>3</SP> are segregated into individual compartments with lateral chambers, as B<SP>2</SP> for busbar A<SP>1</SP>, arranged so as to lie sideby-side below the compartments. Each chamber has an inspection cover B<SP>4</SP> and contains a contact C on an insulating pillar C<SP>1</SP> connected to the busbar by a conductor C<SP>2</SP>. The contacts C are in line below busbar A<SP>2</SP> and above corresponding feeder-contacts G<SP>2</SP> in a feeder chamber G. Isolating arms D, H mounted and operated as in Specification 548,306 are movable to an open earthing position engaging contacts E, E', and a similar contact E' is provided for a similar arm K for a potential transformer L. Alternatively, isolation and earthing may be effected by longitudinally-movable rods. The main breaker F may be permanently fixed, or removable for inspection purposes only.
Patent GB-323949-A (GB)
Title: Improvements in or relating to cooking utensils
IPC: A47J27/082
Filed: 1929-02-12
Abstract: 323,949. Ruben, R. Feb. 12, 1929. Heating and cooking vessels. - A cooking-utensil a for insertion in a pressurecooker is formed with a perforated bottom b and contains a plate d, provided at its edge with notches or the like e, and either removably supported or permanently secured within it.
Patent GB-431879-A (GB)
Title: Improvements in gun turrets for aircraft
IPC: B64D7/02
Filed: 1934-02-13
Abstract: 431,879. Gun turrets. BOULTON & PAUL, Ltd., Riverside Works, NORTH, J. D., Hill House, Eaton, HUGHES, H. A., Westfield, Plumstead Road, and DOE, A., St. Peter's, Earlham Green Lane, all in Norwich. Feb. 13, 1934, No. 4740. [Class 92 (i)] [See also Groups X and XXV] An aircraft gun turret which also contains a bomb-sight rotating with the turret is provided with means, such as a spring-controlled bolt 25, Fig. 4, engaging a notch 24 in a fixed ring 23, to lock the turret in the angular position in which the bomb sight is in fore-and-aft alignment. A hinged window 10, normally conforming to the shape of the turret, can then be opened to give a clear field of vision through the bomb-sight, the front edge of the window being provided with a hinged flap 18 acting as a wind screen. The window is opened by operating a screw or like gear 16, Fig. 2, and the flap 18 is preferably restrained by a link 19 to hang vertically. The flap 18 may be connected with the window 10 by an adjustable link. To ensure that the turret can only be released for training when the window is closed, and that the window can only be opened when the turret is locked, the knob for actuating the bolt 25 is connected by a lever 31 and Bowden wire 34 to a bolt engageable with a hole in a sector 36 carried by the window.
Patent GB-1495444-A (GB)
Title: Electrical circuit breakers
IPC: H01H33/70
Filed: 1975-02-04
Abstract: 1495444 Gas-blast circuit-breakers SIEMENS AG 4 Feb 1975 [12 March 1974] 4788/75 Addition to 1460814 Heading H1N A gas-blast circuit-breaker with non-return valve in the passages between the gas compression region and arcing region as in the parent Specification also has a pressure relief valve operable to release pressure from the gas compression region along a separate flow path when the pressure in the gas compression region exceeds that in another region of the circuit-breaker by a predetermined amount. As shown an insulating nozzle piston 4 attached to the movable contact 2 has spring valves 80, 81 and 82, 83 which permit gas to pass along passages 76, 78 when the pressure in the gas compression region 67 exceeds that in lower pressure area 68 by a predetermined amount. Additional or alternative valves 90, 94, 96 may also vent the region 67 to region 69 and the valves controlling passages 76, 78 may vent to a region near the fixed contact 8 to influence the arc gases (Fig. 2, not shown).
Patent GB-854015-A (GB)
Title: Improvements in firing systems for rockets carried in clusters by a launching machine, and in particular an aircraft
IPC: D02G1/06
Filed: 1959-02-12
Abstract: 854,015. Launching rockets from aircraft. BREVETS AERO-MECANIQUES S.A. Feb. 12 1959 (Feb. 20, 1958], No. 4956/59. Class 9(2). Rockets suspended from an aircraft, as in Specification 738,870, with the tail of each rocket supported by a flap 5 depending from the rocket immediately above, are launched by the closure of electric circuits shown in Fig. 3. In each rocket is an electric igniter 7 for ignition of the propellant, one terminal of each igniter being permanently connected through a conductor 9, formed by the metal casings of the rockets, to an electrical energy source 8 in the aircraft. The second terminal of each igniter is connected to a switch 10 moved into contact with a conductor 11 by the flap 5, as the flap moves from the vertical to the horizontal position, Fig. 4, i.e. as the lowermost rocket is launched the flap 5 released by fracture of a bolt rotates out of the path of contact 10. The second terminal of source 8 is connected to a switch 12 having a contact arm movable between a first position in which it closes a circuit L, to fire rocket IV and a second position in which it closes a circuit L 2  to complete the circuit to the igniter 7 of rocket III when rocket IV has been launched. Similarly, the switch 12 must move to the first position to fire rocket II and return to the second position to fire rocket I. The switch 12 may be operated manually, but is preferably driven by mechanism not shown causing the switch to alternate at predetermined intervals, e.g. of <SP>1</SP>/ 10  sec. In a second embodiment, three circuits L 1 , L 2  and L 3  (not shown) are provided and the firing switch 12 has three closure positions.
Patent GB-257499-A (GB)
Title: Improvements in or relating to shutters for cinematograph projecting apparatus
IPC: G03B9/10
Filed: 1926-02-22
Abstract: 257,499. Andersen, A. C. Feb. 22, 1926. Kinematograph apparatus.-In a shutter having blades of clear glass, the surfaces of which are shaped so as to produce refraction, the surfaces are grooved and are wholly convex between the grooves; the grooves on one surface are perpendicular to those on the other. The shutter frame, Fig. 4, may consist of aluminium, and comprises grooved arms 3, 4, and grooved curved bars 7 secured by screws 9. The glasses 1, Fig. 3, may have one plane surface and grooves la on the other surface, and two such glasses with plane surfaces in contact may be used for each blade, the grooves on the one glass being being arranged in arcuate form and those on the other being radially arranged. The grooves may be formed by pressing, and the shutter may comprise a complete ring of glass having sectors formed with the grooves.
Patent GB-1376085-A (GB)
Title: Integrated voltage driver
IPC: H03K19/018
Filed: 1973-02-02
Abstract: 1376085 Reducing transistor avalanche breakdown pulses; oscillators MULLARD Ltd 2 Feb 1973 [3 Feb 1972] 5111/72 Heading H3T The effect of avalanche breakdown of a transistor T 1  operated above its V ceo  value is reduced by connecting in series with its emitter the collector-emitter path of a constant current transistor T 2  the stray capacitance at the collector of which is less than that at the collector of T 1  so that asuccession of limited avalanche breakdowns occur due to the smaller capacitance charging more quickly than the larger. The circuit is suitable for coupling a multiple-emitter transistor logic circuit T 3 , T 5  to a 50V numerical indicator tube and prevents disturbance in the circuit due to a single sudden breakdown. The current in T 2  is determined by connecting it in a current runner circuit with T 4  and D 1 .
Patent GB-815379-A (GB)
Title: Improved knitting needles and knitting machines
IPC: D04B35/02
Filed: 1956-02-20
Abstract: 815,379. Knitting-machines. KAUFMANN, A., and PILLIARD, D. Feb. 20, 1956 [Feb. 18, 1955], No. 5195/56. Class 74 (2). A links-links machine is provided with double-ended bearded or latch needles formed with a central loop or projection 3 of a height equal to that of the hooks, cams 9 engaging the loop 3 to impart knitting movements to the needles. In the case of bearded needles grooves 6 are provided in the shanks of the needles to accommodate the tips of the beards when pressed, the grooves being provided between cheeks 6 1 , 6 2  which are upstanding from the shanks in order to facilitate the passage of the stitches.
Patent GB-1017416-A (GB)
Title: Constant voltage device
IPC: H03F3/32
Filed: 1963-02-08
Abstract: 1,017,416. Voltage stabilizers. STANDARD TELEPHONES & CABLES Ltd. Feb. 8, 1963 [Feb. 13, 1962], No. 5237/63. Heading G3X. [Also in Divisions H3 and H4] A voltage stabilizer comprises a first voltage divider constituted by a resistance R L , a transistor Q 1  and a resistance R c  connected to a voltage source +18, -18, in parallel with a second voltage divider R 1 , Q 2 , R 2 . The base of transistor Q 2  is connected to an unregulated reference potential such as ground, and the collector of transistor Q 2  is connected to the base of transistor Q 2 . The arrangement is such that voltage variations on the voltage divider including transistor Q 2  are used to control the gain of transistor Q 1 , the direction of gain control opposing source variations. Thus a stabilized voltage can be taken from the output CP of transistor Q 1 . As used in a telephone system, Fig. 4, the resistance R L  is constituted by a switch path comprising a resistor, a winding to which voice currents are inductively applied, and two PNPN diodes, the voice currents being taken from the point CP via a coupling capacitor (not shown).
Patent GB-372845-A (GB)
Title: Improvements in and relating to buffer stops for railway tracks
IPC: B61K7/18
Filed: 1931-02-19
Abstract: 372,845. Railway buffer stops. MOUCHLY, J., Mount Carmel, Haifa, Palestine. Feb. 19, 1931, No. 5308. [Class 104 (ii).] A buffer stop f is mounted on a pair of connected L-shaped frames a bolted to a pair of triangular frames b. The frames are frictionally mounted on the running rails c by clamps d, d<1>, each comprising a pair of plates d<2> gripping the rails c at their lower ends and the frames a, b at their upper ends. The clamps are connected by rods d<4> provided with nuts d<6> for adjusting the grip of the clamps. The horizontal arms a<1> of the frames a are chamfered at the ends and are long enough to allow a part of the train to mount them before the buffer is struck, thus increasing their friction grip on the rails c, and braking their movement along the rails. The grip of the clamps d, d<1 >may be automatically increased during this movement by providing the ends of the rods d<4> with threads of opposite pitch- and fixing on the rods arms which engage the sleepers during the movement of the frames, thereby turning the rods d<4> and tightening the nuts d<6>. The frames a, b may be duplicated &c. on a common base.
Patent GB-299799-A (GB)
Title: Improvements in and relating to the grinding of tubular articles
IPC: B24B5/28
Filed: 1928-02-21
Abstract: 299,799. Cincinnati Grinders, Inc., (Assignees of Einstein, S.). Nov. 1, 1927, [Convention date]. Centreless grinding :round holes, enlarging and trucing;trucing rotating tools; guides and rests. A centreless grinding machine for grinding simultaneously the exterior and interior surfaces of tubular articles, consists of a grinding-wheel C rotatably mounted on a bed A, a regulating-wheel 22 movable with a slide 16 towards and from the wheel C, an internal grinding-wheel 46, and a work-rest 18 carried by the slide 16. The slide 16 is moved up to the wheel C, to reduce the work to size externally, by a cam 34 driven by a motor 28 and adapted to oscillate a lever 35 engaging a screw 40 adjustable by hand to position the regulating-wheel to suit the diameter of the work and to compensate for wear of the wheel C, and on completion of grinding the slide 16 is retracted to allow of ejection of the work by an ejector 24 actuated by a ratchet wheel 84, which is rotated, through rack and pinion and ratchet and pawl gearing 89, 90 by the reciprocation of the slide 16. The internal grinding-wheel 46 is mounted on a cross slide 42 on a slide 41 movable on the slide 16 by a cam 55 and a lever 58 engaging a screw 62 adjustable by hand in the slide 41, the cam being rotated through bevel gearing and a telescopic shaft 51 from the motor 28; the wheel 46 is driven by a motor 47. The axis of the regulating-wheel 22 is inclined to the horizontal to hold the work, during grinding, against the ejector 24. The wheel 46 is reciprocated axially by means of a cam groove 73 in the boss of a pinion 66 secured to the spindle 45 of the grinder, a pin 72, engaging the groove, being carried by a pinion 67 driven through gears 68 from the pinion 66. The reciprocation may be started or stopped by movement of a lock-washer 70 by means of a handle 71, to prevent, or permit of axial movement of the pinion 67; a lock-nut 7G also may be used positively to prevent the reciprocation. The wheel 46 is trued by a trueiugdevice 77, Fig. 11, adjustable by a handle, the reciprocation of the wheel being stopped during trueing. In operation, the work is first reduced nearly to size externally by the action of the wheels C, 22, the internal grinding-wheel 46 being out of contact with the work. When the work is nearly to size externally the internal grinder is brought up to the interior surface by the cam gearing 55, the work when to size being ejected automatically by the ejector 24. In order to steady the work when first introduced a roller 90<1> is provided carried by a spring-pressed arm 91.
Patent GB-1221073-A (GB)
Title: Improvements in and relating to gas-liquid contact systems and to plate elements of such systems
Inventor: UYAMA KIYOSHI
IPC: B01J19/32
Filed: 1968-02-02
Abstract: 1,221,073. Contacting gases with liquids. NIPPON KOKAN K.K. 2 Feb., 1968, No. 5545/68. Heading B1R. [Also in Division F4] Multicorrugated plate elements A for use as packing material in gas-liquid contact apparatus each comprise first corrugations extending across the plate in one direction, each of the folds of the corrugations following a zig-zag path, and further corrugations of greater amplitude and pitch than the first corrugations and superimposed on the first corrugations, each fold of the further corrugations following a straight path. The plates A which can be made either of a synthetic resin or of metal are provided with bosses 6, 6' to facilitate connecting adjacent plates together to define flow spaces for the gas and liquid. V-shaped grooves 4 are formed along opposite sides of each plate and the ends are formed with flat surfaces 5. Rod-shaped support members (10, Fig. 7, not shown) are inserted through holes 9 in the flat end surfaces 5.
Patent GB-293948-A (GB)
Title: Improvements in and relating to electric signalling systems
IPC: B63B45/00
Filed: 1927-07-05
Abstract: 293,948. Croad, A. K., (Rankin, J. T.). July 5, 1927. Order apparatus.-Relates to order apparatus for use more particularly on ships for conveying instructions to searchlight operators. The receiver comprises a casing, Fig. 2, divided into compartments by partitions 7 and having a stencilled cover bearing glazed direction arrows 10 - - 13. Each compartment has a lamp which is controlled by a press-button switch. The switches are mounted in a box 18 and any one of the switches may be operated by a common lever 20 which is centrally mounted relatively to the press-buttons 19 upon a universal joint 22. The lever is provided with a sheath of insulating material 24 and is adapted to co-operate with radial slots in the cover 25 of the box.
Patent GB-172272-A (GB)
Title: Process for decolorising liquids
IPC: B01D15/00
Filed: 1921-02-18
Abstract: 172,272. Straatman, J. F. Dec 3, 1920, [Convention date]. No Patent granted (Sealing fee not paid). Purifying liquids.-In a process for decolorizing liquids by the use of an adsorbent and a reducing agent in conjunction, the adsorbent is allowed to remain in contact with the material while the reducing agent is applied. Examples are given of the treatment of sugar solution with bone charcoal and sodium hydrosulphite. Sulphur dioxide may also be employed. The Specification as open to inspection under Sect. 91 (3) (a) states that the reducing agent may be applied first, or some adsorbent may be applied first and filtered off and the reducing agent may be applied, followed by more adsorbent. This subject-matter does not appear in the Specification as accepted.
Patent GB-1031090-A (GB)
Title: New aryloxyacetic amides, their production and compositions containing same
IPC: C07D295/185
Filed: 1965-02-10
Abstract: Novel aryloxyacetic acid amides of formula <FORM:1031090/C2/1> wherein X represents a direct bond, -CH2-, -CH2CH2- or -CH = CH-, R1 is an alkyl group, R2 and R3 are each alkyl groups, and R4 is an alkyl or alkoxy group, the alkyl and alkoxy groups having 1-5 carbon atoms, or R3 and R4 together with the nitrogen represent a saturated heterocyclic radical having 5-7 ring members one of which may be oxygen, are prepared by esterifying the corresponding 2 - alkoxy - 4 - hydroxy - alkyl - phenoxyacetic acid amide compounds or reactive derivatives thereof.  Compounds of Formula I wherein X represents -CH2CH2- may be prepared by reducing the propenylene compounds of Formula I in which X represents -CH=CH-.  The 2 - alkoxy - 4 - hydroxyalkyl - phenoxyacetic acid diethylamide starting materials (R3 = R4 = Et) may be prepared by reacting a 2 - alkoxy - 4 - hydroxyalkylphenol with chloroacetic acid diethylamide.  These may be converted to reactive derivatives, e.g. the 4chloroalkyl derivative, by reaction with thionyl chloride, or the 4-tosyloxyalkyl derivative, by reaction with p-toluenesulphonic acid chloride.  3 - (31 - Ethoxy - 41 - hydroxyphenyl) - propanl-ol may be prepared by esterifying 3-ethoxy4-hydroxycinnamic acid with ethanol, reducing the resulting ethyl 3-ethoxy-4-hydroxycinnamate to ethyl 3-ethoxy-4-hydroxy-hydrocinnamate by catalytic hydrogenation, followed by reduction of the ester group with lithium aluminium hydride.ALSO:Therapeutic compositions useful as short-acting anaesthetics and which may be administered parenterally contain as active ingredient compounds of formula <FORM:1031090/A5-A6/1> wherein X represents a direct bond, -CH2-, -CH2CH2- or -CH=CH-, R1 is an alkyl group, R2 and R3 are each alkyl groups, and R4 is an alkyl or alkoxy group, the alkyl and alkoxy groups having 1-5 carbon atoms, or R3 and R4 together with the nitrogen represent a saturated heterocyclic radical having 5-7 ring members one of which may be oxygen.  The compositions may also contain water soluble salts of bile acids such as sodium dehydrocholate, morpholine desoxycholate, or ethanolamine cholate, salts of a -naphthylacetic acid or histamine.
Patent GB-525394-A (GB)
Title: Improvements in apparatus for playing indoor or lawn games
IPC: A63F9/04
Filed: 1939-02-22
Abstract: 525,394. Games. ENGLAND, C. F. Feb. 22, 1939, No. 5844. [Class 132 (ii)] A game apparatus comprises one or more carriers for attachment to the feet or boots of the players and provided with means for retaining in a more or less stable position one or more balls, rings, clown's caps, cards or other playing pieces whereby the playing pieces may be conveyed from a starting point and be deposited at a goal or station. In Fig. 3 is shown a carrier for balls 3 consisting of an apertured piece of cardboard attached to the shoe by an elastic loop 4. The goal to which the balls are to be carried may be a partitioned box. A carrier suitable for carrying cards, Fig. 7, may comprise a slotted block 10, Fig. 6, with attachment loops 12, and the goal may comprise a series of pegs 15, Fig. 5, on to which the cards are to be hooked. In a further form of carrier for carrying clown's caps or quoits, the carrier is provided with a peg.
Patent GB-312302-A (GB)
Title: Improvements in or relating to portable card tables or boards and like devices
IPC: A47B25/00
Filed: 1928-02-24
Abstract: 312,302. Kelly, A. S. Feb. 24, 1928. Sewing, work-holders for.-A folding frame for supporting a sheet of fabric for fancy needlework consists of a rectangular or polygonal frame, the sides being hinged together at the corners b, and divided intermediately, some of the side divisions having hinges d on the outer vertical surfaces of the members, and others having hinges e on the upper or lower faces of the members. Pivotal catches f holds the parts rigid. A cover l is secured by pins &c. m and press buttons n. The parts l, f being moved, the parts a may be folded up, and wrapper up in the cloth 1.
Patent GB-249496-A (GB)
IPC: D06L1/02
Filed: 1926-03-02
Abstract: 249,496. Rechberg Ges., A., and Braun Ges., G. March 18, 1925, [Convention date]. Void [Published under Sect. 91 of the Acts]. Washing, processes s and materials for.-Textiles are de-fatted by the use of methylene chloride. As an example, raw wool may be treated one or more times with methylene chloride in a rotary extraction apparatus. After drawing off the fat solution, water at. 50‹ C. is passed through the heating jacket and the apparatus rotated slowly. The final residue of the solvent is removed with the assistance of a vacuum.
Patent GB-1183713-A (GB)
Title: Improvements in and relating to Pens.
Inventor: DAY WILLIAM JOHN
IPC: B43K5/18
Filed: 1966-02-10
Abstract: 1,183,713. Reservoir pens. E. S. PERRY Ltd. 14 March, 1967 [10 Feb., 1966], No. 5888/66. Heading B6P. An ink collector for a reservoir pen has a longitudinal bore 11 for receiving a feed bar therein and two or more capillary channels 10 extending radially from the bore to the external surface of the collector, each channel being defined between separate parts of the multipart construction. In the particular embodiment, the collector is formed by two like generally hollow semi-circular cylindrical parts (Figs. 3 to 5) having radially extending circumferential fins (2) spaced apart longitudinally to define transverse capillary channels (3) therebetween. The plane faces of the parts which face each other when assembled in a pen barrel are each formed with a semi-circular section channel (7) of constant radius except for a divergent funnel-like portion (8) at the writing end. Two feet (9) extend from each plane face to space the parts to form the capillary channels 10. The feet (9) may enter recesses in the opposite face. More than two capillary channels 10 may be formed by using more than two ink collector parts of appropriately less angular extent in cross-section.