baber/WOPTO huggingface dataset:
Patent GB-819523-A (GB)
Title: Improvements in or relating to periscopes
Inventor: HOLMAN HERBERT EDWARD
IPC: G02B23/16
Filed: 1955-02-19
Abstract: 819,523. Periscopes. ELECTRIC & MUSICAL INDUSTRIES Ltd. Feb. 14, 1956 [Feb. 19, 1955], No. 5035/55. Class 97(1) A periscope comprises a housing containing a focusing lens system and having a hollow member forming a lateral passage for entry of light in to the housing, means being provided whereby a cooling fluid can flow through the housing and out through the lateral passage. The periscope shown in Fig. 2 may be projected into the combustion chamber of a boiler of the kind described in Specification 732,926 [Group XII] and comprises a tube 2, 3 with telescopic tubes 29, 28 and 29a carrying levers 36, 37 supported therewithin by annular members 11, 20 and 21, having angularly spaced outer apertures. A hollow member 9 supports an objective 35, the incident light through which is reflected by an adjustable mirror 30 through lenses 36, 37 to form an image as a screen e.g. on the pick-up tube of a television camera mounted in a cradle 17 attached to the periscope. A conduit 50, 51 supported by aligned apertures in members 11, 20 and 21 passes cooling fluid from an inlet 48 to an outlet 49 above objective 35 and coating fluid is also circulated through the annular passage surrounding telescopic tubes 29, 28 and 29a from inlet 44 to an outlet 46. In the form shown in Fig. 4, the hollow member forming the light entry passage comprises telescopic tubes 60, 61 respectively carrying negative lens 62 and positive lens 64, lens 62 being partitioned by a window 68 as of heat resistant glass. Fluid discharge openings are provided in the tubes 60 and in the mounts supporting lens 62 and window 68 in the tube 60. A rod 73 for adjusting reflector 30, against the action of a spring 74, extends to the liquid outlet of the periscope.
Patent GB-383492-A (GB)
Title: Improvements in or relating to detachable wheels
IPC: B60B3/16
Filed: 1932-02-19
Abstract: 383,492. Detachable wheels. MICHELIN ET CIE, Clermont-Ferrand, Puy-de-Dome, France. Feb. 19, 1932, No. 5059. Convention date, March 16, 1931. [Class 144 (i).] An adaptor ring 1 is fitted to the outer end of the permanent hub A, of the type with which a single nut is usually employed for securing the detachable wheel B, so as to enable a series of bolts 6, Fig. 1, or a smallerdiameter nut 27, Fig. 8, to be used. In the form shown in Fig. 1, the ring 1 is formed with a flange 2 in which the bolts 6 are fixed, the bolts being passed through a flange on the clamping ring 7. In the form shown in Fig. 8, the outer end of the adaptor 1 is threaded (externally or internally) to receive a central fastening member 27 adapted to engage the outer end of the clamping ring 7.
Patent GB-102561-A (GB)
Title: Improvements in Cases for Currency and other Notes.
Inventor: FENIGSTEIN JACOB
IPC: A45C1/06
Filed: 1916-04-06
Abstract: 102,561. Fenigstein, J. April 6, 1916. Card and like cases; contents, delivering and facilitating access to; fittings, internal.-A case for currency and other notes consists of parts a, b hinged together at c and provided with a clip k and tongue o, under which the notes are placed. The notes are withdrawn singly from the closed case through the slit d, this being facilitated by the finger-aperture i.
Patent GB-652697-A (GB)
Title: Improvements in or relating to hydraulic shock absorbers
IPC: F16F9/26
Filed: 1948-02-20
Abstract: 652,697. Hydraulic shock absorbers. SOC. D'INVENTIONS AERONAUTIQUES ET MECANIQUES S.I.A.M. Feb. 20, 1948, No. 5150. Convention date, Feb. 22, 1947. [Class 108(iii)] In a shock absorber of the type in which a piston separates, inside the cylinder in which it moves, two terminal chambers filled with liquid which flows from one chamber to the other during movement of the piston through narrow orifices and valves, the piston is formed with two or more longitudinal ducts for the passage of the liquid and one-way flap valves are mounted upon the working faces of the piston for controlling flow through the ducts each flap valve being of the spring seal type comprising a blade of spring steel or the like seated over the mouth of the duct, the blade being secured to the working face of the piston at one end only to  permit it to flex away from its seat to a progressively increasing extent as the pressure in the duct behind it increases. In the arrangement (shown) a piston 1, which is slidable in a liquid filled cylinder 2, is provided with two grooves 6a and 6b which communicate with terminal chambers 7a and 7b in the cylinder 2. Spring steel flap valves 8a and 8b are mounted on opposite faces of the piston at one of the open ends of each of the grooves 6a and 6b. The valves are provided with stroke limiting devices 9a and 9b. In a modification (Figs. 3, 4 and 5, not shown), each groove extends to one face only of the piston, the other end of each groove communicating with the corresponding second face of the piston through a calibrated orifice. The flow of liquid through the grooves may be restricted by screws which are manually adjustable externally of the cylinder, through which they project into the grooves. In a further modification (Fig. 7, not shown), the piston 1 comprises a central liquid reservoir chamber which communicates with the chamber 7a and 7b through respective grooves and orifices. Each orifice is controlled by a respective flap valve which is also fitted with a stroke limiting device. In all arrangements, the grooves 6a, 6b, the cross-section of each of which may vary along its length, may be replaced by ducts which extend through the body of the piston and which terminate in orifices controlled by flexible flap valves. Also the flap valves 8a and 8b may be inclined slightly to the face of the piston by means of wedges 17 (Fig. 2).
Patent GB-1187924-A (GB)
Title: Improved Toy.
Inventor: SELWYN-SMITH ROY
IPC: A63H33/42
Filed: 1968-02-01
Abstract: 1,187,924. Toys. BRITAINS Ltd. 1 Feb., 1968, No. 5227/68. Heading A6S. A base plate 1, of synthetic plastics material to which a plurality of moulded figures also of synthetic plastics material is attached by means of projections on one member engaging recesses in the other, has weakened portions 2 which enable the the base to be broken into a plurality of separate bases a-e, providing one base for each figure.
Patent GB-812499-A (GB)
Title: Devices for indicating and recording the speed of travel of motor vehicles
IPC: G01P1/12
Filed: 1957-02-15
Abstract: 812,499. Speedometers; recording-apparatus. BAUER,-A. Feb. 15, 1957 [March 2, 1956], No. 5320/57. Classes 106 (3) and 106 (4). A device for indicating and recording the speed of travel and the distance travelled by motor vehicles comprises a main casing 10, Fig. 2, within which is a compartment 15 that opens out on to the front of the casing 10 over an area spaced from a speed indicating shaft in the casing 10, the compartment 15 housing a unit 5, 6 carrying a paper roll 2, a 'drive roll 4, and a winding spool 3 driven by wheels 22, 38, 39, that are recessed into the side walls of the unit 5, 6; and a pivot 9 parallel with the axis of the drive roll 4 about which the unit 5, 6 can be swung out of the compartment 15. The main casing 10 contains the mechanisms for actuating the speed pointer and distance counter as well as one or more recording levers 25. One lever 25 records distance travelled and another lever 25 the speed of travel. An electric or clockwork power unit in the casing 10 turns a pinion 18 in the compartment 15 to turn the wheels 22, 38, 39. The paper roll 2 is mounted in a guide 26 pivoted about the axle of the drive roll 4 such that when the unit 5, 6 is swung out of the compartment 15 the roll 2 can pivot clockwise, Fig. 4, in a manner reducing the head-room that would otherwise be necessary in the compartment 15. The part 6, which has an inspection window, remains outside the compartment 15 and is pivoted at 9 to the part 5 so that it can be moved outwardly on its own. As shown, the pinion 18 does not drive the wheels 22, 38, 39 when the unit 5, 6 is swung out of the compartment 15. In a modified construction the pinion 18 drives a train of gear wheels terminating in a gear wheel having the pivot 9 as its axis, the latter gear-wheel turning an enlarged wheel 39. By this method an uninterrupted transmission is effected to the recording tape when the units 5, 6 are swung out of the compartment 15.
Patent GB-931093-A (GB)
Title: Improvements in or relating to apparatus for recording information
Inventor: LAWTON JOHN EDWARD
IPC: G01D15/04
Filed: 1959-02-16
Abstract: 931,093. Recording-apparatus. BRITISH INSULATED CALLENDER'S CABLES Ltd. Feb. 16, 1960 [Feb. 16, 1959], No. 5341/59. Class 106 (4). Tape-advancing mechanism in recording- apparatus comprises a needle 8 with its point directed towards a deflecting surface 12 and reciprocable in the direction of its own axis, the amplitude of reciprocation being such that at the end of its forward stroke its point strikes the surface 12 at an acute angle and is deflected laterally. The tape 5, Fig. 2, is guided between plates 4, 6 having elongated slots 7, through which the needle 8 passes to strike the roller 12, whereby it is deflected to advance the tape 5, which is held by a spring bearing thereon when the needle 8 is retracted. The needle 8 may be pivoted on an extension 22, Fig. 3, of a plunger 23 of a solenoid 13. At the bottom of its stroke a microswitch 32 closes to de-energize solenoid 13 and at the top of the return stroke the switch 32 opens. The timing may be adjusted by a pad bolt 38. The apparatus may be used, e.g. for recording the pin hole testing of enamelled wire in which a marking needle 10, Fig. 2, is caused to operate each time the number of faults in a given length of wire exceeds a predetermined limit. The speed of the tape may be correlated with that of the wire passing through the tester. Where each fault has to be separately recorded a needle 29, Fig. 3, is operated by a solenoid 14 for each fault at the same time advancing the tape in the same way as the needle 8 and in addition thereto. Another embodiment, Fig. 8, is described using a plurality of flexible needles 55 guided in tubes 56 and deflected each in a V- groove of a wheel 49 on a shaft 48. The results of tests on different articles may thus be recorded simultaneously and the tape may be advanced by one needle only or by each. Another embodiment with a pair of solenoidoperated needles uses a rubber friction roller to hold the tape against backward movement freeing it to move forward and also adjustable means to eliminate any tendency of the needle to tear the tape during withdrawal.
Patent GB-287694-A (GB)
Title: Filter
IPC: B01D35/16
Filed: 1927-02-25
Abstract: 287,694. Elton, R. A. Feb. 25, 1927. Rotary filters.-A rotary filter for slurry &c. comprises a drum mounted within a casing and .arranged so that solid matter is deposited over both its inside and outside curved surfaces. For this purpose, the drum comprises two or more crescent-shaped members, spaced apart, and having filtering medium mounted on both their inner and outer surfaces, passages being provided within the members for discharging the filtrate. Figs. 1 and 4 show sectional views at right-angles. The drum is built up on crescent-shaped rims 11 mounted on a rotary shaft 8 by arms, and connected by curved plates 15 on each side of which backing material 18 is mounted. The backing material supports sheets of filtering medium 25 which are secured by having their ends clamped by means of member 26 in slots 24 in end pieces 22 fitted on the straight edges of the plates 15, tension being applied by means of bars 30 engaging in corresponding slots in end pieces at the other straight edges of the plates 15, and by angle-sectioned clamps 32 which are moved radially by bolts 34. The rims are fitted with discharge channels 13 leading to tubes 35 which discharge into bores in the shaft 8 and thence from the apparatus, the discharge ends being fitted with control cocks and with means whereby a supply of air or liquid under pressure can be forced backwards through the apparatus to loosen the deposited matter. The casing 1 is charged with slurry through a valved pipe 2, air escaping through a vent 49. After charging, air under pressure is admitted through a pipe 48, and the outlet cocks opened. As the level of the slurry falls, lips 29 on the members 26 lift the slurry in the bottom of the casing and spill it over the inner surfaces of the filtering members. The deposited material is removed from the filtering surfaces by charging the casing with water and, if necessary, by forcing air or water backwards through the apparatus; it collects in the lower part of the casing and may be removed by a worm 42 and port 6, or by sloping the bottom and allowing it to run out. The -backing material may consist of corrugated strips of metal spaced apart and secured by bolts.
Patent GB-973213-A (GB)
Title: A method of and means for removing bones from fish
IPC: A22C25/16
Filed: 1960-02-16
Abstract: 973,213. De-boning fish. P. W. SUTTON. Feb. 17, 1961 [Feb. 16, 1960], No. 5480/60. Endless cutting bands 7, Fig. 2, slice the fish portions 8 from the back and side bones 2, 3 of a belly-slit and degutted salted herring or other, e.g. smoked or dried, fish as it passes astride a fixed support plate 1 between the nips of serrated rollers 5 after being slit down to the backbone by a vertically adjustable rotary cutter 6. An electric motor drives through a reduction gear the cutter 6 via chain gearing and the rollers 5 and bands 7 via chain and bevel gearing, all described in detail. Fish feed-in guides such as 4, Fig. 4, are provided. The bands 7 have spring- loaded scrapes (not shown) and are supported by rollers 7b acting on their return runs, and the spacing of their cutting runs is adjustable by screws 43. The rollers 5 are adjustably spaced by being mounted on arms 40 coupled by a spring 40a and fixed to shafts 28 turnable by meshing gear sectors 41 set by a screw 42. The rollers 5 may be replaced by multiple belts mounted on grooved rollers or on pulleys carried by spring-loaded arms, which belts may feed the fish past a belly-slitting knife and a degutting blade prior to its engagement with the members 6, 7.
Patent GB-736620-A (GB)
Title: Improvements in or relating to the production of polymethyl methacrylate sheet materials
Inventor: FROST WALTER ERNEST
IPC: C08F20/14
Filed: 1953-02-27
Abstract: Methyl methacrylate is bulk polymerized in sheet form in the presence of an azo polymerization catalyst, and from 0.01 to 0.1 per cent of an unsubstituted alkane thiol, such as ethyl, amyl, octyl, and dodecyl mercaptans and 1,10-decanedithiol.  Azo catalysts specified are alpha, alpha1 - azodiisobutyronitrile, alpha, alpha1 - azobis (alpha, gamma - dimethylvaleronitrile), dimethyl and diethyl alpha, alpha1-azodiisobutyrates, 1,1-azodicyclohexane carbonitrile, alpha, alpha1 - azobis (alpha - ethylbutyronitrile), and alpha, alpha1 - azodiisobutyrocarbonamide.  Polymerization may be effected by means of heat or light rays.  After formation the sheets may be subjected to a heat-treatment at between 115 DEG  and 135 DEG  C. for between 3 and 12 hours to raise the softening-point of shaped articles made from the sheets.
Patent GB-381452-A (GB)
Title: Improvements in or relating to holders for the electrodes of arc lamps
IPC: H05B31/18
Filed: 1932-02-24
Abstract: 381,452. Arc lamps. ZEISS IKON AKT.-GES., 72, Schandauerstrasse, Dresden, Germany. Feb. 24, 1932, No. 5570. Convention date, Feb. 26, 1931. [Class 39 (i).] The carbon of an arc lamp is gripped against a guide by a lever or cam the pivot of which is adjustable to accommodate different thicknesses of carbon. The guide is preferably in the form of a plate 4 bent over to form a groove to receive the carbon 14 and secured to a plate 1 by a screw 3 and slot for coarse adjustment. The lever 10 i, eccentrically pivoted to a disc 6 secured rotatably to the plate 1 and provided with a clamping-screw 7 working in a slot 8. The end of the level 10 is rounded to engage the carbon 14.
Patent GB-260477-A (GB)
Title: Improvements relating to electric switches for automobile vehicles
IPC: B60Q1/34
Filed: 1926-02-27
Abstract: 260,477. Murray, L. E. R. Feb. 27, 1926. Regulating and controltransmitting apparatus for motor vehicles. A switch for controlling the circuit of an indicating device on a motor vehicle, is adapted to be operated by pressure of the driver'sknee on the end of an adjustable arm. The arm may be the actuating lever of a switch that is fixed to the body of the vehicle, or the switch may be attached to the end of the arm. The figure shows two push-button switches 12, 13 arranged at the end of an arm 7 swivelly attached to the steering column 1. Pressure of the right knee on the button 13 will illuminate an arrow or the like pointing to the right, and pressure of the left knee on the button 12 will illuminate an arrow pointing to the left.
Patent GB-1077327-A (GB)
Title: Process for preparing sorbic acid by the isomerization of cis-cis and cis-trans hexadiene (2:4) acids
IPC: C07C51/353
Filed: 1965-02-09
Abstract: Sorbic acid is prepared by isomerizing a cis-cis or cis-trans hexadiene (2:4) acid, which comprises treating a cis-isomer with sulphur and/or hydrogen chloride in a quantity within the range 0.1 to 10% by weight based upon the proportion of the cis-isomer. The sulphur may be provided as a compound which will split off sulphur during the isomerization conditions.  When the starting material containing the cis-isomers is that prepared by thermal splitting of the "polyester" obtained by the reaction of crotonaldehyde and ketene, in the presence of alkali it is advantageous to have the sulphur present during the thermal splitting process.
Patent GB-413423-A (GB)
Title: Improvements in or relating to toys
IPC: A63F9/02
Filed: 1933-02-24
Abstract: 413,423. Toy target ships. EATON, C. T., Black Forest, Burley, Hampshire. Feb. 24, 1933, No. 5678. [Class 132 (iii).] A toy target ship which can float or not comprises parts thrown into the air when ship is struck by a projectile. The ship comprises a hull A preferably of wood having a trough-like recess A<1> with sloping ends into one of which is driven a steel or other resilient rod B forming a spring arm which in its unflexed state projects obliquely upwards out of recess A'. A catch member C of spring wire is driven completely through the back of the recess A<1> and then bent over and driven into the hull from the underside as at C<1>. The catch member C is bent at right angles at C<2> to form a shoulder to retain the spring arm B in a flexed condition within the recess A<1>, and has its end C<3> extending into a bore E<2> in a member E forming the bridge of the vessel and carrying a mast E <1>. The free ends of the members B and C are bent back on themselves to avoid sharp ends. The bridge E extends over the mouth of the recess A<1> between the ends of cover boards D, D<1> formed on their under faces with strips D<2> locating them in position over the recess A<1> so that the cover boards are detachable. A funnel F and turrets F <1> rest on the cover boards so as to be readily displaced therefrom. A projectile striking the bridge E in the direction of the arrow, Fig. 2, moves it to the left to release the spring arm B which flies up to throw the bridge E, cover boards D, D<1>, funnel F and turrets F<1> into the air to simulate an explosion. A stop pin B<1> driven into the base of the recess A<1> prevents movement of the free end of the spring arm B to the left with the catch member C. The two cover boards D, D<1> can be replaced by a single detachable cover board.
Patent GB-1433241-A (GB)
Title: Time division multiplex telecommunications switching system
IPC: H04Q11/06
Filed: 1973-02-06
Abstract: 1433241 Automatic exchange systems PLESSEY CO Ltd 16 Jan 1974 [6 Feb 1973] 5757/73 Heading H4K In an exchange having an incoming access store with one storage location per incoming TDM channel, one of the channels is allocated to non-speech information and a connection is established between the associated storage location and a non-speech information extraction interface at least twice per exchange frame period. The arrangement is intended to prevent the loss of signalling information which may occur due to the frame period on incoming highways under running the exchange frame period. Incoming 32 channel PCM highways 2 each terminate on a 32 location random access store which stores are coupled via a space switching network using electronic crosspoints to outgoing random access stores associated with outgoing highways 2. Speech connections are of the feed wire type and in a channel occurring at a time T one is used for one direction of communication, a time channel occurring at a time is used for the reverse direction where F is the frame period.  The or each signal extraction interface is connected as a dummy termination to a respective storage location of the transmit random access store, and an incoming storage location connected to a signalling channel is connected with a transmit location associated with a signal extraction interface twice per frame period using channels in the exchange supermultiplex frame which are separated by half the exchange frame period. It is, however, stated that a triple connection is preferred using slots separated by a third of the frame period to ease the difficulties in determining whether or not a particular signalling PCM code has been transferred a plurality of times.
Patent GB-680411-A (GB)
Title: Method of shaping hollow metal bodies
IPC: B21D7/06
Filed: 1951-03-09
Abstract: 680,411. Angular bending. HUET, A., and COMPAGNIE DES SURCHAUFFEURS. March 9, 1951 [March 9, 1950], No. 5759/51. Classes 83 (ii) and 83 (iv). In bending &c. a tube of large diameter by heating the inside of the bend the tube is deformed in a preliminary operation to oval or ovoid shape to facilitate bending by reducing the moment of inertia of the section. The tube is deformed to ovoid section, Fig. 4a, and is bent after heating on a grooved former b, Fig. 4, as described in Specification 649,638. The legs of the bend may be further closed in a reciprocating bender set forth in Specification 663,427 and the tube section restored to circular shape by a reciprocating bender, Fig. 9 (not shown).