baber/WOPTO huggingface dataset:
Patent GB-1438285-A (GB)
Title: Clamping and transfer device for elongate articles
IPC: B65G25/04
Filed: 1972-08-25
Abstract: 1438285 Reciprocating conveyers IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd 8 Aug 1973 [25 Aug 1972] 39704/72 Heading B8A Apparatus for conveying plastics tube 57 or other elongate articles comprises two clamping and transfer devices 10, 10a arranged in tandem, each device having an article-engaging tubular clamping member 11 provided with longitudinal slots to enable the wall of the member to resiliently flex radially inwardly. A resilient sleeve 21 formed from rubber tubing closely surrounds the slotted member 11. The member 11 and the sleeve 21 are located within a piston 22 and, by means of valve means 41 which control pressurized air to passageways 42 and an annular channel 39, may be radially compressed. The piston is reciprocable by oil pressure applied alternately, via passageways 47, 47a, to annular channels formed on either side of a flange 25 having seals 26. The oil supply is controlled by an electro-hydraulic servo valve 48-52 in turn controlled by a position transducer 53 mechanically connected to the piston 22. In operation, one of the devices 10, 10a clamps and feeds the tube 57 by half an increment of feed whilst the other device is released from the tube and is returning to its tube-engaging position in readiness to clamp and move the tube the remaining half of the required feed. The member 11 may be formed of individually axially-extending strips or wires anchored at their ends in annular collars. Alternatively, the clamping means may be merely a flexible hose.
Patent GB-1144682-A (GB)
Title: Helmet liner
IPC: A42B3/10
Filed: 1966-09-06
Abstract: 1,144,682. Helmet liners. W. E. SCHUESSLER and H. R. WICHMAN. 6 Sept., 1966 [14 Jan., 1966], No. 39790/66. Heading A3V. A fabric lining 12 is detachably connectible to a helmet by means of clips 16 on a harness 11 which are passed through holes 20 in the lining and then engaged with complementary members 14 on the helmet. The lower portion of the lining, which is preferably of knitted fabric, may be turned up within the helmet in use.
Patent GB-1366661-A (GB)
Title: 8 - cyano - 5 octanolide and a process for the preparation thereof
IPC: C07J75/00
Filed: 1971-08-25
Abstract: 1366661 8 - Cyano - 5 - octanolide; 5 - hydroxy- and 5-oxo-azelaonitrile F HOFFMANNLA ROCHE & CO AG 25 Aug 1971 [26 Aug 1970] 39888/71 Heading C2C The novel compound may be prepared by reacting with one equivalent each of water and a strong acid, e.g. H 2 SO 4  or p-toluene sulphonic acid, in an organic solvent at 20-150 C. Compound II may be prepared by reduction of in a non-ketonic solvent using Na borohydride, trimethoxy Na borohydride, LiAl tri-t-butoxy hydride, at 10-50 C. Compound III may be prepared by hydrolysis of 2,2-di(3-cyanopropyl)-1,3-dioxolane using HCl or acetic acid in a water miscible organic solvent at- 20 to + 50 C.
Patent GB-346421-A (GB)
Title: Improvements in and relating to gas producing apparatus
IPC: B01J7/02
Filed: 1929-12-31
Abstract: <PICT:0346421/IV/1> A laboratory apparatus for generating gases by the action of a liquid on a solid comprises liquid and solid containers connected at their lower ends by a transparent tube and carried at opposite ends of an inclinable platform, biassing means such as a spring being provided so that normally the solid container is at a higher level than the liquid container.  As shown, the vessels c, d, containing liquid and solid respectively, are connected at their lower ends by a transparent tube n and are carried at opposite ends of an inclinable platform a pivoted at b.  The platform a is acted on by a spring w tending to rock it into such a position that the vessel d is normally higher than the vessel c.  The connection n between the vessels c, d carries a tee branch o, controlled by a tap or clip, to assist in flushing out the apparatus, and may also carry another tap cutting off the connection between the vessels.  A gas filter e is arranged between the vessels, and is connected thereto as shown.  The apparatus is brought into the operative position, as shown, by a pedal lever s, and may be retained in a partly or fully tilted position by a latch v.  The gas is taken off at r.  When no more gas is required, the platform is tilted back and clip q is closed. A tap or clip may be provided in the upper connection g between the vessels c, d, to assist in repelling the liquid from the vessel.  The platform a may be adapted to be swung about a pivot, instead of rocked.  The apparatus may be used to generate hydrogen sulphide, carbon dioxide, hydrogen, oxygen, sulphur dioxide, chlorine, acetylene, nitric oxide and nitrogen peroxide. The apparatus may also be adapted for the electrolytic generation of gas, by providing two connected vessels d which contain an anode and a cathode respectively, and have independent means for taking off the generated gases.  In this form, the apparatus may be used also as a variable liquid electric resistance.
Patent GB-1094741-A (GB)
Title: Improvements in or relating to magnetic tape-recorders
Inventor: WALKER RONALD
IPC: G11B15/22
Filed: 1963-10-10
Abstract: 1,094,741. Braking magnetic tape recorder spools. BSR Ltd. Oct. 8, 1964 [Oct. 10, 1963], No. 39920/63. Heading G5R. A bar 16, arranged parallel to the line joining the reel axes, Fig. 3, is rockable about two slots in the deck-plate by virtue of turned-over lugs 19, Fig. 4, and urged in the general direction towards the reels by springs 20. The bar carries rockers 23 pivoted at points 21, closer together than the reels and the rockers carry brake pads 23, engaging the reel carriers 10 under the action of springs 24, the geometry of the arrangement being such that each pad engages at a point to that side of a line joining the spool centre to the respective point 21 that is remote from the centrally-mounted drive motor 12. Consequently, the brakes have the usual reversible self-servo action by which the trailing reel is the more strongly braked during fast winding and spilling obviated. The depression of a START key 26, Fig. 6, or of either fast-winding keys 40, 41, Fig. 3, moves a slider 36, Fig. 6, whose end engages a bell-crank 32 carrying a pin 33, which engages the bar 16 to retract the brakes. The latching arrangement for the keys, Fig. 6, is fully described in Specification 1,094,742.
Patent GB-1046499-A (GB)
Title: A method of making butter
Inventor: MUNKSO HARRY
IPC: A23C15/06
Filed: 1963-10-10
Abstract: 1,046,499. Butter. PAASCH & SILKEBORG MASKINFABRIKKER A.B. Oct. 10, 1963, No. 39954/63. Heading A2B. In butter-making, cream is concentrated to a comparatively high fat content less than 80% e.g. approximately 65%, diluting water and salt are then added to the concentrated cream, the cream being treated to give it a temperature of approximately 8‹C. and the addition of the salt and water giving to the non-fatty particles of the cream a salt content of approximately 12%, the cream is churned, butter-milk is separated off from the cream particles and finally the cream particles are worked to form butter typically of 2% salt content.
Patent GB-1024400-A (GB)
Title: Improvements in or relating to pyrrolidone derivatives
IPC: C07D207/267
Filed: 1964-10-01
Abstract: Ethylidene - bis - 3 - (N - vinyl - 2 - pyrrolidone) is used to cross-link polymerizable vinyl compounds by copolymerization therewith; 0.1 to 50% by weight of the pyrrolidone may be used. Specified monomers which may be used alone or in combination with each other include: N-vinyl lactams and other N-vinyl heterocyclic compounds; vinyl ester; acrylic and methacrylic ester; acrylonitrile; acrylamides; vinyl ethers.  Examples use N-vinyl-2-pyrrolidone; methyl methacrylate; vinyl acetate; a mixture of vinyl acetate and vinylpyrrolidone; and a mixture of vinyl oxazolidinone and methyl methacrylate.  Polymerization is effected in solution using peroxidic or azo catalysts.ALSO:The invention comprises ethylidene-bis-3-(2-pyrrolidone) and ethylidene-bis-3-(N-vinyl-2-pyrrolidone). The vinyl compound is prepared by heating N-vinyl-2-pyrrolidone and from 3 to 6% by weight thereof of sodium to yield a solution, cooling said solution to precipitate a waxy material and hydrolysing this with water. An inert solvent may be used.  The vinyl groups may be removed by hydrolysis with dilute acid.  The ethylidene-bis-3-(2-pyrrolidone) is hydrolysed with Ca(OH)2 to give the calcium salt of 1,7 - diamino - 4 - methylheptane - 3,5 - dicarboxylic acid from which the free acid is obtained by neutralization with H2SO4.
Patent GB-1315359-A (GB)
Title: Stress sensitive semiconductor element
IPC: H01L29/00
Filed: 1970-08-20
Abstract: 1315359 Stress sensitive element MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 20 Aug 1970 [1 Sept 1969] 40077/70 Heading H1K A stress sensitive element 1 comprises a region 2 of one conductivity type, a region 3 of the opposite conductivity type, and a region 4, of the one conductivity type and higher resistivity than region 2, interposed between regions 2 and 3. The element may have a groove in one or both main faces coincident with the non- rectifying junction 5 between regions 2 and 4. The separation length of region 4 may be equal to, or greater than, the diffusion length of carriers in the region. Regions 2 and 3 may be formed as surface zones in both main faces of a silicon substrate forming the region 4, and be doped with boron and phosphorus. Regions 2 and 3 may have ohmic contacts of nickel or gold-chromium alloy. Tension or compression may be applied to the element by fixing one end as shown and bending the element about a neutral axis 7, the stress characteristics showing a current flow dependent on the voltage applied to regions 2 and 3, in the forward direction, linearity and great sensitivity. An alternative stress applying construction involves soldering the element to a metal coated insulating plate, likewise fixed at one end and subjecting the element to tension or compression by bending the plate. The characteristics are said to be achieved by a combination of the PN junction 6 and, preferably, the constriction at the non- rectifying junction 5 covered by the grooving of the element.
Patent GB-1214608-A (GB)
Title: Improvements in or relating to light-operated control devices
Inventor: DELMAS ROGER
IPC: H05B37/02
Filed: 1969-08-11
Abstract: 1,214,608. Utilizing photo-electric elements. R. DELMAS. Aug. 11, 1969 [Oct. 2, 1968], No.40089/69. Heading G1A. A light operated control device comprises a base 1 on which is movably mounted a tubular housing 4 provided with optical means 6 to focus light from a remote source on to a photo-electric element 5 fixed in the housing. The element is connected to an amplifier which drives a relay whose contacts are adapted to be connected in the circuit of the controlled device. The housing is mounted on a ball joint 2 and is provided with a condenser lens 6. In another arrangement a curved mirror is used to focus light from a remote source on to the photoelectric element.
Patent GB-1117007-A (GB)
Title: Improvements in and relating to d.c. motor control circuits
IPC: D06F34/08
Filed: 1965-09-21
Abstract: 1,117,007. Control of D.C. motors. COMPAGNIE ELECTRO-MECANIQUE. 21 Sept., 1965 [21 Sept., 1964], No. 40277/65. Heading H2J. A D.C. motor, e.g. in a washing machine, is supplied with rectified A.C. via a thyristor having a switch in its control electrode interlocked with a reversing switch so that the thyristor is " off" during operation of the reversing switch which thus never makes or breaks current. The motor has a disc type armature and a permanent magnet field. Switch operation is effected by cams in a programme device.
Patent GB-986597-A (GB)
Title: Multi-aperture magnetic core shift register
IPC: G11C19/06
Filed: 1963-10-14
Abstract: 986,597. Shift registers. AMP Inc. Oct 14, 1963 [Nov. 5, 1962], No. 40366/63. Heading G4C. [Also in Division H3] A magnetic shifting register using multiapertured cores has two cores in each register stage. As shown in Fig. 1, each register stage A-D comprises a pair of cores A1,A2-D1,D2, the first core pair having an input winding 11 through the major apertures 1, and successive core pairs being linked by transfer windings 9 threading outlet minor apertures 2 and the major apertures of the next stage. All the outlet minor apertures are additionally threaded by a prime winding 8 and alternate stages have their major apertures threaded by respective clear windings 4, 6. State "0" stored in a stage when the corresponding core A1-D1 is set and the other core A2-D2 of the pair is cleared. The converse applies for the storage of state "1" The cores have set, prime and clear modes of flux distribution as described in Specification 899,366. Initially all the cores are in state "0",and an input signal in winding 11 sets either core A1 or core A2,depending on the signal polarity. The cores are then primed, and stages A and C then cleared by a pulse in winding 4. An output pulse is induced in the transfer winding which sets core B1 and clears B2 if a "1" is transferred from stage A, otherwise the core state remains as B1 clear and B2 set. After priming a pulse is applied to winding 6 which transfers the stored data from stage B to stage C,and so on,an output of positive or negative polarity finally emanating in output winding 12. In a modification, Fig. 3, the pair of cores in each stage are combined in a respective common structure 21-24;aperture 13,14 forming the major apertures,apertures 17 and 18 forming the minor outlet apertures,and inlet minor apertures, 16,19 being additionally provided. Fig. 3 shows the arrangement of the advance windings 26, 28,the prime winding 30, input windings 33-35, transfer windings 32 and output winding 36. Fig. 4 shows how the various winding portions are connected together,a hold winding 31 being provided in this embodiment which is energized at the same time as the priming winding and prevents spurious flux charges taking place. The three input windings 33-35 provide a "1" 33,an "0" input 34,and an input 35 in which "1" or "0" is represented by the current direction.
Patent GB-1393876-A (GB)
Title: Plastics film slitting device and method
IPC: B26D1/00
Filed: 1971-08-31
Abstract: 1393876 Making bags BRITISH VISQUEEN Ltd 20 July 1972 [31 Aug 1971] 40531/71 Heading A4G [Also in Division B4] A device e.g. for forming handle slits in a single layer of a multiple layer plastics web for making bags comprises a hollow member 1 for insertion between adjacent layers of the web, a knife 9 being reciprocable in a slot 2 of the member 1 for cutting. The web is advanced intermittently for slitting, and means are provided for holding it against the member 1, e.g. vacuum pads 4 connected to a vacuum pump through a pipe 3. A shaft 8 carrying the knife 9 is reciprocable by pneumatic means (not shown), and the knife 9 is retracted for its return stroke.
Patent GB-977811-A (GB)
Title: Actuating plungers for syphons
IPC: E03D1/08
Filed: 1962-10-26
Abstract: 977,811. Syphon-discharge water-waste preventers. FORDHAM PRESSINGS Ltd., and J. F. PARKER. Oct. 9, 1963 [Oct. 26, 1962], No. 40539/62. Heading E1C. In a syphon actuating plunger comprising a rigid disc 10 with an operating stem 11 to extend upwardly through the crown of the syphon "bell" formed on the shorter limb, the disc 10 having an aperture normally closed by an upwardly-operating flap valve 12, the disc 10 and the stem 11 are a one-piece moulding in synthetic plastics material and has a central or hub portion 14 and a marginal rim portion 16 interconnected by spokes 15 between which are apertures 17 to all of which the flap valve 12 which is a thin flexible disc of rubber or like material is common, the disc 12 having a central hole for the stem 11 and resting on the disc 10, the plunger being loaded by a weight 13 on the stem as shown. The hub 14 is stiffened by one or more concentric annular ribs 18. The weight 13 is kept down on the disc 12 by a collar 20 of rubber or like material frictionally-gripping the stem 11 and also serving as a buffer to limit lift of the plunger. A collar 21 of rubber or like material and metal washer 22 are removably fitted to the upper end of the stem 11 to cushion and determine the fall of the plunger after lifting.
Patent GB-920686-A (GB)
Title: Improvements in the dispensing of ice cream and similar frozen comestibles
IPC: A23G9/32
Filed: 1959-11-30
Abstract: 920,686. Ice-cream. E. G. WALLACE, and H. G. MEISSNER. Nov. 30, 1959 [Dec. 1, 1958; Jan. 27, 1959], No. 40641/59. Class 49. [Also in Group XVII] Ice cream intended for consumption in a cone is protected by a flanged cap 12 of aluminium foil &c. The cap may have a tear strip or string 39 or be notched at the rim to facilitate removal. Strengthening ribs (Figs. 2, 4, 8, 9, not shown) may be provided. A series of caps may be held in an apertured sheet 24 for filling by nozzles above a conveyer belt carrying them to a freezing chamber (Fig. 11, not shown). The holder 24 and filled caps are supplied to a retailer who may apply the cones 18 located in a further sheet 32. The sheet 24 is withdrawn after inverting the assembly, leaving the sheet 32 charged with cones ready for sale.
Patent GB-1448667-A (GB)
Title: Machine structure having means for reducing the level of noise  emitted
IPC: F16F15/08
Filed: 1972-09-02
Abstract: 1448667 Polychloroprene composition PERKINS ENGINES Ltd 31 Aug 1973 [2 Sept 1972] 40804/72 Heading C3P [Also in Divisions F1 F2 and H5] A heat curable composition comprises a low molecular weight chloroprene polymer, china clay, heat softened rubber, liquid cashew phenolic resin, canary litherge, carbon black, asbestos fibre, hexamine, an aldehyde amine accelerator, and an antioxidant.
Patent GB-1496808-A (GB)
Title: Termination of vinyl chloride polymerisation
IPC: C08F14/06
Filed: 1975-10-06
Abstract: 1496808 Termination of vinyl chloride polymerization SOLVAY ET CIE SA 6 Oct 1975 [18 Oct 1974] 40864/75 Heading C3P The polymerization of vinyl chloride or the copolymerization of a mixture of monomers containing at least 50% by weight of vinyl chloride in aqueous dispersion is terminated by the addition of 8 hydroxyquinoline, preferably as a solution in an organic solvent such as dichloromethane, trichloromethane, methanol or mixtures thereof. In the examples vinyl chloride is polymerized in aqueous dispersion containing ammonium persulphate and sodium stearate and after the desired time there is added a solution of 8-hydroxyquinoline in trichloromethane or a mixture of methanol and dichloromethane or, for comparison, phenol, p-aminophenol or tertbutylcatechol.
Patent GB-1057438-A (GB)
Title: Multiple aperture optical reader
IPC: B24B49/04
Filed: 1963-10-17
Abstract: 1,057,438. Sensing records. SPERRY RAND CORPORATION. Oct. 17, 1963 [Oct. 29, 1962], No. 41093/63. Heading G4M. A hole 32.1, Fig. 4, in a record card or tape 32 is sensed by means of a double aperture 58.11, 58.12 which may have overall dimensions a, b equal to those of the normal single aperture used for sensing a hole such as 32.1. The presence of an opaque area 58.9 between apertures 58.11 and 58.12 enables the intensity of the light source of the apparatus to be increased while the amount of light leaking through an unperforated region of the record 32 remains the same, as when a single aperture is used. Curve (70<1>), Fig. 5 (not shown), shows the output of a photo-cell receiving light passing through the double aperture as a hole in the record passes by. Owing to the greater intensity of the light source, curve (70<1>) rises more steeply than the curve (70) corresponding to a single aperture and the lower intensity source, and the duration of the resulting usable output pulse (P1<1> is greater than that of the pulse (P1) corresponding to curve (70). It is also shown that the percentage reduction in the duration of the output pulse caused by ageing of the light source is less in the case of the double aperture than in the case of the single aperture. Reductions in the light available to the photo-cell caused by misalignment of a hole 32.1 with the sensing aperture can be loosened by employing two double apertures (108.11) to (108.14), Fig. 10 (not shown), suitably spaced in accordance with the tolerance of the system. Other types of apertures are described.
Patent GB-1421303-A (GB)
Title: Aqueous compositions for coating paper for rotary offset  printing
IPC: D21H19/58
Filed: 1973-09-04
Abstract: 1421303 Coating paper RHONE-PROGIL 4 Sept 1973 [7 Sept 1972] 41526/73 Heading C3P Aqueous compositions for coating paper, especially paper to be used in rotary offset printing, contain as the film-forming constituent a latex comprising a copolymer having a particle size not exceeding 0À18 micron and containing (a) 30-34 wt. per cent butadiene, (b) 56-68 wt. per cent styrene and (c) 2-10 wt. per cent of an ethylenically unsaturated carboxylic acid, e.g. acrylic, itaconic or fumaric acid. Other paper coating constituents are included, and in Examples 1 and 8, the compositions contain kaolin, sodium pyrophosphate and (Example 1 only) starch.
Patent GB-916345-A (GB)
Title: Improvements relating to the locking and unlocking of a plurality of closure deviceson motor vehicles
IPC: E05B65/36
Filed: 1960-12-02
Abstract: 916,345. Window opening and closing mechanisms. DAIMLER-BENZ A.G. Dec. 2, 1960 [Dec. 2, 1959 ; July 8, 1960], No. 41585/60. Class 20 (3). [Also in Group XXV] An arrangement for controlling the closing of doors or windows of a motor vehicle and therafter locking them in the closed position comprises an hydraulic system having a reservoir 14, pump 12, accumulator 13 and non-return valve 17 supplying a feed line 10 from which fluid passes under the control of members S1 S2...  Sn to devices R1, R2 ... Rn which operate to close the doors and windows, the fluid being returned to the reservoir through pipe 11 and three-way cock 18. When the cock 18 is turned electrically by operating push-button 22 or cylinder lock 21 the return pipe is blocked and pressure builds up in the system to lock the devices R1, R2 . . . Rn in position. In an embodiment (Fig. 2) the shaft 28 of the three-way cock has a cam disc 29 secured to it, the cam disc being moved by a wedge 34 operated by magnets 37 and armature 36. In another embodiment (Figs. 7 and 8) two electromagnets 44, 44<SP>1</SP> are connected to switches 21<SP>1</SP> ,  22<SP>1</SP> and, when energized, move a rocking member 40 which engages pins 78, 79 to operate the cock 65. The member 40 may also be rocked mechanically by a pin 72 fixed to a cylinder lock 71 to turn therewith. In a further modification (Fig. 10) the rocking member 40 may be operated by the end 86 of a crank 82 which is moved by a Bowden cable 80 operated by a knob on the instrument panel. In this embodiment the cylinder lock 71 instead of having a projection 72, has members 87 and 88 which engage a projection 40<SP>1</SP> attached to the rocking member. In further embodiments the luggage boot lock is adapted to operate the blocking member 18 on being locked but remain locked when the other locks of the system are released by another switch. The fuel tank filler cap or glove compartment lid may be included in the system to be locked by a pressure cylinder communicating with the return duct 11.