baber/WOPTO huggingface dataset:
Patent GB-657077-A (GB)
Title: Improvements in or relating to automatic switches as used in telephone systems
Inventor: TAYLOR REGINALD
IPC: H04Q3/00
Filed: 1948-11-11
Abstract: 657,077. Automatic exchange systems. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. Nov. 11, 1948, No. 29306. [Class 40 (iv)] Wiper switching in a selector is effected according to the route of seizure by a two winding relay, e.g. as described in Specification 515,529, [Group XXXVII], which maintains its contacts in the position to which they were last moved until the appropriate winding alone is energized. Penultimate selector, Fig. 3. This is similar to that described in Specification 657,076 in that it is a bi-directional selector having five levels and twenty outlets in each level duplicated to give first and second sets of outlets, ET1, OT1 and ET2, OT2, respectively, the wipers being raised and a control relay OH being operated by alternate impulses to connect up one of a pair of test wipers to control wiper switching in a final selector. Such a selector is modified to be accessible from two adjacent levels of a preceding group selector and its capacity is doubled by providing two groups ET1, ET2 and OT1, OT2 of wiper sets selectable according to the route of seizure by a wiper switching relay WS. The talking leads from the two adjacent levels of the preceding group selector are commoned to those of the penultimate selector and the associated p-wires EP, OP are connected to the opposed windings of relay WS, the contacts of which are locked by a permanent magnet until the relevant winding alone is energized. When the penultimate selector is seized, the operation of the guard relay B removes the short circuits from both windings of relay WS, which is energized over one of the p-wires EP, OP to maintain its contacts in or to move them to the appropriate position. Should a second selector connect to the other p-wire, the windings of WS are energized in opposition, but the wiper switching contacts remain magnetically locked. On closure of the off-normal contacts, relays HA, HB pull up, and, if the digit is odd, relay OH connects up the outgoing p-wires OP. The selector hunts over the first and second sets of outlets ET1, ET2 or OT1, OT2 under control of the test relays HA, HB and, when successful, holding earth is received from the final selector and the guard relay B falls back to shunt out both windings of relay WS. Final selector, Fig. 1. When the penultimate selector tests over the p-wire EP or OP, relay IWS, which is similar to WS, connects up the appropriate group of one hundred lines EHG or OHG. When the called party replies, relay J (not shown) momentarily presents positive booster metering battery to the incoming pwire, and during the changing over of its contacts, guarding earth is maintained over a rectifier MRA. Specification 588,790 is referred to.
Patent GB-714489-A (GB)
Title: Method and apparatus for hardening serrated articles
Inventor: JONES DAVID GRIFFITHS
IPC: H05B6/02
Filed: 1950-11-30
Abstract: 714.489. Surface hardening. DELAPENA & SON, Ltd. Nov. 21, 1951 [Nov. 30, 1950]. No. 29326/50. Class 72 [Also in Group XII In a method of hardening serrated articles by high frequency induction heating, the heating coil has a core which is caused to travel relative to the teeth so as to heat at least their flanks. and a quenching arrangement is disposed behind the core so that a thin hardened layer is formed on the flanks of the teeth. As shown in Fig. 1 a laminated core 10 such as is described in Specification 714,488. [Group XI], is mounted to pivot about a centre 9 so that. its face 13 can travel along the curved teeth 16 of a sprocket wheel pivoted about its centre The core and quenching tube 17 having transversed the surface in the direction indicated by the arrow, the wheel is indexed by the pitch of its teeth while the core continues to rotate anti-clockwise, so that all the teeth are successively hardened. Pipes 20 and 21 carry cooling liquid for the core. which may then be used as quenching liquid. and a splash guard 19 is fitted In Fig. 4, the treatment of a spur gear wheel is effected by motion of the core 23 relative to the wheel along the line 24, the tips of the teeth not being hardened.
Patent GB-432538-A (GB)
Title: Improvements in valve controlling mechanism
IPC: G05B1/04
Filed: 1933-10-23
Abstract: 432,538. Electrically - actuated valves. SEDLMAYER, F., 101, Schelling- strasse, Munich, Germany. Oct. 23, 1933, No. 29349. Void [Abridged as open to inspection under Sect. 91 of the Acts, April 23, 1934]. [Class 135] In electric relays for controlling the movements of a valve, rheostat, or the like automatically to maintain a constant temperature, pressure, or other physical characteristic of liquids or gases, the pointer e of the meter registering the temperature, &c., is connected to the electric mains and moves over a plate S provided with contact strips 1, 3 separated by an insulated strip 2, the strips 1, 3 being connected respectively to coils d, c controlling the reversing switch u of an electromotor m. The plate s is connected by a rod t to the valve &c. k in the fluid supply to be controlled and screws on a rod p rotated by the motor m. Movement of the pointer e due to change of temperature &c., produces contact with one of the strips 1, 3 and the motor is started in the appropriate direction to move the plate S to adjust the valve and to replace the insulated strip below the pointer. The reversing switch may be replaced by two open circuit relays conjointly performing the reversing action. When the meter used is a galvanometer with weak control of the pointer e, a hoop-shaped member is adapted to drop intermittently on and hold the pointer, so that the plate S is enabled to make a series of small movements.
Patent GB-632706-A (GB)
Title: Paper bags, with folded paper strap handles
IPC: B65D33/10
Filed: 1945-11-05
Abstract: 632,706. Paper-bag handles. DEHN, F. B. (Paper Strap, Ltd.). Nov. 5, 1945, No. 29353. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 4, 1946.] '[Class 133] In a paper bag, a handle is framed of paper strap consisting of an elongated strip of paper having its marginal portions folded upon itself several times in non-overlapping relation on the same side of the strap throughout the entire length and the folded side of the ends of the strap are adhesively secured to the outer surface of the upper end of the bag. The paper strap maybe folded as shown in Fig. 3 as to leave a gap 15 between' the marginal edges which is stuck with the edges to the side of the bag. The strap may also be folded as shown in Fig. 5 so that the edge portions 68, 69 are adjacent and may in .addition to adhesive be secured by a staple 66. Embodiments are described in which .a simple U-shaped handle is employed or a pair of U-shaped handles with the ends of each handle attached to the same or opposite sides. In a modification, shown in Fig. 15, the handle is formed with two leg portions 53 and a bail portion 54 so that it lies flat when the bag is folded. Speci- 'fications 632,705, 632,707 and 632,709 are referred to.
Patent GB-265320-A (GB)
Title: Improvements in or relating to hat holders
IPC: B60R7/10
Filed: 1925-11-21
Abstract: 265,320. Crump, E. D. J. Nov. 21, 1925. Hat-holders.-A hatholder, particularly for use in an automobile, comprises a base portion 15, 16 provided with eyes 17, 18 or other means for attaching it to a support and a pair of arms 20, 21 outstanding substantially horizontally from the base portion, the arms being formed with offset parts 22, 23 which incline upwardly from points near the base and are adapted to lie under the inner edge of the hat brim. Beyond the offset portion the arms are curved substantially in the form of an open-ended ellipse, sloping slightly downwards and terminating in knobs 24, 25. The hat-holder may be formed as shown by bending a single piece of wire and the base portion may be provided with a hook 13 serving as a coat hanger.
Patent GB-187986-A (GB)
Title: Improvements in radio receiving systems
IPC: H04B1/10
Filed: 1922-10-27
Abstract: 187,986. British Thomson - Houston Co., Ltd., (Assignees of Alexanderson, E. F. W.). Oct. 28, 1921, [Convention date]. Undesired signals, eliminating; thermionic amplifiers and detectors; directive signalling; heterodyne receiving systems.- Selective reception for the reduction of interference by statics and undesired waves is effected by a method depending on the probable difference in phase between such interfering waves and the desired signal waves. The method is also applicable to directive reception. As shown in Fig, 1, an aerial 2 is coupled to the grid and plate circuits of a triode valve 1. The grid circuit includes also a battery 8 for giving the grid a normal negative potential, and a phase-adjusting device 7. The plate circuit is sharply tuned by a condenser 5 and contains a condenser-shunted telephone or other indicator 6, but no plate battery. When the phase of the grid current is the same as that of the plate current, the signals produce a current through the valve and are heard in the telephone 6. If however out-of-place oscillations are superposed in the aerial, these oscillations immediately affect the grid, but do not at once affect the plate, owing to the current in the tuned circuit 3, 5 tending to maintain its phase constant. The difference in phase on the grid and plate prevents the disturbing waves from affecting the indicator. In a modified arrangement the signals are heterodyned, and the beat currents are applied to the grid and plate circuits, the grid circuits being sharply tuned and the phase-adjuster omitted. Fig. 3 shows the system applied for directive reception. Two directive aerials 13, 14, having the respective polar diagrams shown in Fig. 4, are coupled to a single heterodyne source 17, and the beatcurrents resulting from rectification by the detectors 15, 16 are applied respectively in the grid and plate circuits of the valve 1. The grid circuit is sharply tuned and includes a phaseadjuster 18, and an indicator 6 is placed in the plate circuit. Signals coming from the direction indicated by the shaded portion of Fig. 4 will energize both aerials and by adjustment of the phase rotator 18 these signals may be heard in the telephone 6. Signals from other directions will energize only one of the aerials and will not be heard. Statics that do not produce the phase agreement are also eliminated, whilst those which do produce phase agreement have their effect reduced by the tuned grid circuit 19. Current-limiting devices may be employed in the circuits to reduce the effect of heavy disturbances.
Patent GB-335070-A (GB)
Title: Improvements in or relating to dough mixing apparatus
IPC: A21C1/14
Filed: 1929-09-30
Abstract: 335,070. Fieldhouse, J. T. Sept. 30, 1929. Stirrers. - In a doughmixing machine in which the mixing-hook has a planetary motion in a stationary bowl, the hook is provided with an arm A on its shank D', the arm being long enough to clean the side of the bowl and having its end split into two parts A', A<2> turned up and down respectively so as to form knives.
Patent GB-1009990-A (GB)
Title: A single-phase induction motor
IPC: H02K17/04
Filed: 1962-08-01
Abstract: 1,009,990. Induction motors. LICENTIA PATENT VERWALTUNGS G.m.b.H. Aug. 1, 1962 [Aug. 4, 1961], No. 29551/62. Heading H2A. In a 1-ph. induction motor having a single winding divided into two series-connected sections U-Y, X-V and connected across a supply, an impedance Z is connectable in parallel with one of the sections, and the sections span 120 degrees electrical at opposite sides of a stator centre line, and are displaced from one another by 60 degrees electrical. The winding may be either distributed in stator slots or as shown concentrated on salient poles which not shown, may be magnetically bridged by constructing the poles as a pole spider inserted in a yoke ring. The impedance may be a capacitor, inductor, resistor, or a combination thereof, disconnected after starting by switching devices depending on current, speed, time or combinations thereof. The directions of rotation depends upon which section the impedance is connected across, and the motor is applicable to driving office machines or fans.
Patent GB-165763-A (GB)
Title: Improvements in or relating to apparatus for feeding threshing machines
IPC: A01F17/02
Filed: 1920-10-19
Abstract: 165,763. Olives, G. June 26, 1920, [Convention date]. Addition to 149,244. Inverted harrow and rake endless-chain conveyers and elevators; idler rollers; directing and adjustably supporting. - Relates to detail im provements in the feeding-device for thrashing- machines described in the parent Specification. According to the invention, the spurs or prongs g of the elevator are maintained in the correct position by means of lugs projecting laterally from the cross-bars carrying the prongs and engaging with a channel-shaped guide mounted on the side-bars T of the elevator frame. The elevator is provided with a resilient tail-piece comprising a lower portion q to rest upon the ground or stack and an upper portion d to support the sheaves until engaged by the prongs g. A clutch 1 is provided in the driving gear for the elevator which is disconnected by depressing the pedal s and returned to the operative position by a spring 4 surrounding the sliding bar w which carries an arm 3 to engage the clutch member. The support for the elevator when in its lowered or folded position comprises two standards m braced together and carrying rollers n. The supporting-arms for the elevator comprise sections y, y<1>, y<11> hinged together, a fastening f being provided to secure the sections y, y<1> in their working relative position, and chains z and springs c forming a resilient connection between the sections y<1>, y<11>. The sections y<11> carry a transverse roller b which carries the elevator, the vertical angle being adjusted by means of a cable S and a winch Q. The chain wheels X at the outer end of the elevator are independent of one another. The supports P of the elevator are connected by folding hinges at O to the turn-table M which is carried by a footstep bearing K and rail L.
Patent GB-992274-A (GB)
Title: Hair curler and method of coiling a tress of hair in order to curl it
IPC: A45D6/06
Filed: 1962-08-01
Abstract: 992,274. Hair waving appliances. GILLETTE CO. Aug. 1, 1962 [Aug. 3, 1961], No. 29554/62. Heading A4V. A haircurler by which a tress of hair is coiled for setting or cold permanent waving treatment, comprises a receptacle having a mouth and a porous body consisting of a side wall 10 and end closure 12, the tress being packed in coiled formation against the inner surface of the receptacle by gas flow admitted through the mouth and discharged through apertures 14 in the wall and end closure. The curler is received in a lipped opening 20 of telescopically engaged impervious tubes 18, 16 which are connected by a fitting 24 to a vacuum source, projections 22 supporting the bottom of the curler so that the mouth thereof is in the plane of the lip. In use the hair is preferably damped and the curler, positioned in the members 18, 16 is advanced along the tress towards the scalp, the tress being automatically coiled within the curler which is secured by a bob pin 26. Curlers of different lengths and diameters are used for tresses of different lengths, e.g. at different parts of the head, the hair being coiled helically or looped as shown in Fig. 2, and by selecting a curler with the appropriate size of mouth the proper amount of hair is automatically selected. Two or more tresses may be coiled simultaneously and as shown in Figs. 3 and 4a the end closure is rounded to produce tight coiling at the tip of the tress and the curler has a dished impervious rim 34 to seat on the open end of the suction tube 38. The curler is made of plastic or metal, rigid or elastic and is of cylindrical, polygonal &c. cross-section, variations in the looseness of the coiled tress being obtained by variation in the taper or cross-section of the curler. In a further modification spring-urged clamping members, with meshing teeth to clamp the hair, are provided at the mouth of the curler.
Patent GB-410810-A (GB)
Title: Improvements in or relating to circular knitting machines
IPC: D04B9/38
Filed: 1932-10-24
Abstract: 410,810. Knitting. COLE, A. R., and COLE, B. T., 87, Princess Road, Leicester. Oct. 24, 1932, Nos. 29647/32, 10749/33, and 15,533/33. [Class 74 (ii).] Comparatively slender pelerine instruments, movable in one plane transversely to the needle line, are provided for loop-engaging purposes with notches &c. 21, Fig. 1, or with formations like a pin's head. Alternate sinkers or webholders 32, Fig. 7, may be adapted for use as pelerine instruments and may be flanked by blades 33 mounted in the same tricks. These blades assist in removing the loop from the associated pelerine sinker 32. Selection is made at, say, every third course by rockers 34 carrying a series of butts 20b. A battery of selecting cams 40 (Fig. 6, not shown) controlled by a trick wheel acts, each at its own level, on the butts 20b present on that level. Provision is made for repeating any given selection. The whole or approximately half of the pelerine instruments 20 may be put out of action when required. When they are separate from the sinkers they are mounted in line therewith in a tricked bed above the sinker cap 16. In the loop-receiving position of the instruments the hooked ends 21 lie within the needle circle and above the sinkers so as to elongate the corresponding sinker loops. Prior to projection of the needles the tension in the sinker loops is relaxed. Each instrument comprises two thin blades normally working together as one, but capable of springing apart to embrace the corresponding sinker on being depressed by a cam 31. The instruments are returned to horizontal by a spring plate 28 acting on butts 20<a>. There may be as many instruments as needles. Fabrics with double and/or single pelerine stitches in adjacent sinker wales and other fabrics can be produced by selecting odd-numbered instruments in one course, even-numbered in the next and so on. According to the first Provisional Specification the sinkers are made with narrower throats than usual. Specifications 327,120, [Class 74 (ii)], 347,632 and 410,831 are referred to.
Patent GB-989145-A (GB)
Title: Device for spreading grains, in particular coated seeds for a mechanical grain drill
IPC: A01C7/04
Filed: 1963-07-26
Abstract: 989,145. Seed sowing machines. E. CAILLIEUX. July 26, 1963 [Aug. 7, 1962], No. 29661/63. Heading A1D. A seed sowing machine comprises a grain distributing conduit 2 leading to the lower end of a share 1 and a fan 8 having an outlet pipe 2 connected to the upper end a1 of the conduit 2 and having an inlet pipe b2 connected to a pipe 10 the end 10B of which is situated adjacent the lower end 2c of the conduit which is provided with perforations 14. Seeds are fed to the conduit by means of a wheel A provided with cells Aa, seeds being ejected from the cells Aa by means of a toothed wheel P. A flap 6 may open to release seeds if they jam at the entrance 5. Specification 937,519 is referred to.
Patent GB-1011130-A (GB)
Title: Braking system for rolling stock
Inventor: BUTLER HENRY JAMES
IPC: B61H5/00
Filed: 1961-08-17
Abstract: 1,011,130. Railway vehicle undercarriages. DUNLOP RUBBER CO. Ltd. Aug. 10, 1962. [Aug. 17, 1961], No. 29678/61. Heading B7L [Also in Division F2] In an improvement in a braking system for railway vehicles (Division F2) disclosed in Specification 868,965 in which a monitor brake shoe 20 is adapted to engage frictionally the periphery of a wheel rim of the vehicle such that when such engagement takes place the shoe is permitted a limited angular movement in either direction to actuate a main brake 33 associated with the wheel or axle, the monitor brake shoe 20 is mounted on a bifurcated support member 18 slidable on a fulcrum block 12 in a radial direction and rotatable through an arc therewith on a non-rotatable axle box 13 when the monitor shoe is engaged against the wheel rim. In operation, when the brake operating rod 31 is pulled to rotate an intermediate brake lever 25 pivoted to the vehicle frame 28 at 26 a bell crank lever 22 pivoted to the support member 18 bears at one end 23 against the fulcrum block and moves the bifurcated support member 18 downwards to move the monitor brake shoe 20 against the rim of the wheel 10. When the monitor brake 20 is applied it tends to move with the wheel and rotates the support member 18 to cause actuation of the main brake 33, in the form of a disc brake, through linkage 35, 32 and cam means (not shown). The brake applying force may be varied automatically according to the load on the vehicle by permitting the intermediate lever 25 to move downwardly relatively to the bell crank lever 22 to increase the brake applying force when the vehicle load is increased.
Patent GB-856915-A (GB)
Title: A process and an apparatus for the continuous preparation of linear polycondensationproducts
IPC: C08G63/78
Filed: 1957-09-20
Abstract: In a process for the continuous preparation of a linear polyamide or polyester, a liquid containing the monomers is successively led through a number of zones in which such pressures and temperatures are maintained that at the transfer <PICT:0856915/IV(a)/1> of the reaction liquid from one zone to the next one a strong evaporation of a constituent of the reaction liquid takes place, characterized in that at this transfer, but before the evaporation takes place to a considerable degree, the reaction liquid is mixed with at least an equal weight of reaction liquid which has already been subjected to the evaporation process.  Specified polyamides are those derived from diamines and dicarboxylic acids and specified polyesters are those derived from glycols HO(CH2)nOH where n is 2 to 10 and terephthalic acid or ester-forming derivatives thereof.  In the example, an aqueous solution of hexamethylene diamine and adipic acid containing acetic acid as stabilizer is supplied to the heated high pressure vessel 1, being removed via the discharge line 5 to the circulation line 8 where it is mixed with polycondensation product from the low pressure vessel 9, the mixture being led to the heated low pressure vessel and thence to the heated after-condensation device 15.
Patent GB-1183776-A (GB)
Title: Procedure for Dispensing of Handles for Carrying Objects and Apparatus for the Performance of such Procedure.
IPC: B65H35/00
Filed: 1968-06-21
Abstract: 1,183,776. Dispensing carrying handles from a reel. NORDISK PLASTER INDUSTRI A.S. 21 June, 1968 [11 July, 1967], No. 29803/68. Heading A4G. In apparatus for dispensing handles from a reeled adhesive strip 15 having spaced grip portions 10 covering the adhesive, the reel pivot 18 moves downwards in slot 20 as the reel size decreases, the reel being supported or spring-loaded on a roller 12 having a fixed pivot 19 parallel to the reel axis, so that as the resistance to unwinding at the wind-off point 21 increases due to transition from a covered to an uncovered portion of strip, the distance from point 21 around the roller 12 to a cutter 22 is constant and allows severing the handles at 7. The non-adhesive side of the strip touches roller 12. The roll may have a fixed axis and the roller may be movable along a curved path. To allow dispensing of handles of different lengths, an adjustable guide roller 23 for the strip may be provided.