baber/WOPTO huggingface dataset:
Patent GB-339718-A (GB)
Title: Improvements in and relating to apparatus or devices for use in issuing and keeping copies of receipts, tickets and the like
IPC: B41L5/06
Filed: 1929-10-10
Abstract: 339,718. Cussons, G. W., Edwardes, E. H., Alldred, J., and Lythgoe, F. Oct. 10, 1929. Autographic recorders. - In an autographic recorder of the kind in which a voucher strip and a record strip are supplied from a single roll, each actuation of the operating handle imparts a positive movement to the feed mechanism, which mechanism is operative only when pressure is applied to the feed rollers and is provided with a check device to ensure the feeding of constant lengths of strip. The application of the necessary pressure to the feed rollers may be made dependent upon the closing of the lid of the recorder housing. Voucher and record strips are drawn from a roll 12 upon the rotation of feed rollers 16, 17, the voucher strip being issued over a pivotally mounted stripping-edge 18 and the record strip being wound on a drum 24. The strips pass over a table 14, one above and one below a strip of a carbon paper. A slidable lid 6 is normally locked in closed position, in which position the lid bears on springs 19 to press the upper feed roller into engagement with the lower, and a writing slot 7 in the lid is disposed over the plate 14. The feed rollers are actuated from a toothed wheel 21 that receives a partial rotation upon each depression of a slidable operating handle 27, by the engagement of an inwardly urged member 29 with one of a series of equally spaced stops 25 on the wheel 21. The extent of feed is limited by a pawl 31 that falls into the path of the stops 25 as the handle is depressed, but is normally held inoperative by a projection 30 on the handle. The member 29 and stops 25 are oppositely bevelled to allow the handle to return under the influence of a spring 28. The mechanism is normally locked by a pawl 35. The receiving-drum 24 for the record strip is driven from the wheel 21 through a friction drive comprising spring- mounted pads 34 pressed against the flange of the drum.
Patent GB-1026111-A (GB)
Title: Visible indicator control sytem for selective tape track
IPC: G03D15/04
Filed: 1963-08-02
Abstract: 1,026,111. Visual indicating system for tape recorders. MIEHLE-GOSS-DEXTER, CORPORATION. Aug. 2, 1963 [Aug. 20, 1962], No. 30812/63. Heading G5R. An automatically programmed back gauge comprising a tape recording having a plurality of channels and a sensing head for sensing signals in each channel, is provided with a lamp system coupled to the channel selection switch means for indicating which channel has been selected. In Fig. 2 the magnetic tape is provided with eight channels C1-C8 each associated with a switch, only one of which is shown. When switch 1 is operated manually, a motor control system 65 is energized through switch contacts b and causes the magnetic head 55 to move to channel C1, and switch contacts a cause a white lamp 13 to be energized via the normally closed contacts of a relay 70. When the head 55 is correctly positioned, a cam 85 on the head operates a micro-switch 80 which lights an amber lamp 20 and energizes relay 70 to extinguish the white lamp 13.
Patent GB-426418-A (GB)
Title: Improvements in and relating to illuminating lamps and reflectors therefor
IPC: F21V33/00
Filed: 1933-11-07
Abstract: 426,418. Reflectors for gas lamps. FOSTER & PULLEN, Ltd., and STEVENSON, H. R., Fairweather Green, Bradford, Yorkshire. Nov. 7, 1933, No. 30893. [Class 75 (ii)] In a gas lamp, a reflector R, arranged inside a globe G and below preferably inverted burners, is adjustably mounted on a depending support B carried by the burner head H. The reflector is formed with a central opening to receive a boss R<1> which is slidable on the rod and provided with a keyway to pass over projections R<8>, R<9> adapted to be inserted into any one of a number of apertures R<10> on the rod. The position of the reflector may be changed by means of a tool which passes through an aperture G<1> in the globe and engages the boss R<1>, a projection P on the rod limiting the upward movement of the reflector. The latter may be flat, conical, concave, or convex, and it may be made of mirrored glass or stainless steel. It may be clamped in any position on the rod, and more than one reflector may be mounted inside the globe.
Patent GB-1206538-A (GB)
Title: Clip
Inventor: FERNAU WILLIAM JUSTUS
IPC: B42F1/10
Filed: 1968-06-28
Abstract: 1,206,538. Spring clips. W. J. FERNAU. 24 June, 1969 [28 June, 1968] No. 30955/68. Heading E2B. A clip has the form of a hollow longitudinally extending body which is of pentagonal cross section two adjacent sides 1, 2 of which are disposed at an acute angle to one another, the two contiguous edges of which press resiliently together, the sides 4, 5 attached to each of said angularly arranged sides being parallel to one another and the fifth side 6 of the pentagon being at right angles to the two parallel sides. The clip as shown also has two internal projectons 6, 7 arranged at a short distance from and substantially parallel to the fifth side which extend over the whole length of the clip although these may be omitted when desired. When the projections are provided they provide an internal slot for holding a strip of paper or card inserted inside the clip containing information in which case the clip is made of a transparent plastics material. The material however can be opaque or translucent if desired.
Patent GB-845281-A (GB)
Title: Improvements in or relating to transistor circuit arrangements for converting impedances
IPC: H04B3/18
Filed: 1956-10-11
Abstract: 845,281. Negative impedance amplifiers. PHILIPS ELECTRICAL INDUSTRIES Ltd. Oct. 11, 1956 [Oct. 14, 1955], No. 31002/56. Class 40 (4). [Also in Group XL (c)] A line amplifier comprises impedance converters including a NPN and a PNP transistors 1, 2 with their base and collector electrodes cross-connected, with the emitter electrodes connected through corresponding pairs of terminals 1, 1<SP>1</SP>, 2, 2<SP>1</SP> to the positive and negative terminals 1, 1<SP>1</SP>, 2, 2<SP>1</SP> to the positive and negative terminals of a D.C. supply and with the bases connected through pairs of terminals 3, 3<SP>1</SP>, 4, 4<SP>1</SP> to the D.C. supply, the arrangement being such that when passive impedances are connected between three of the pairs of terminals a converted impedance appears across the fourth pair which is independent of the transistor characteristics. This is achieved by ensuring that the emitter-base impedances are very much lower than the corresponding impedance between terminals 1, 1<SP>1</SP> and 2, 2<SP>1</SP> and by making the ratios Z2 and Z4 much smaller than the base to collector current gain of transistor 1 and much larger than the reciprocal of the base to collector current gain of transistor 2. As shown in Fig. 1, the passive impedances are connected to the terminals 2, 3 or 4 and an Z3, Z4 apparent impedance Z 1 equal to appears Z2 across terminals 1. Similar relations apply when the three passive impedances are connected to the other terminals. The battery V may have zero voltage so that no D.C. potential is applied to the input circuit. When the impedances are resistive an open-circuit stable negative resistance may be presented at terminals 1 and 2 and closed circuit stable resistances may be presented at terminals 3 and 4. By using one resistor and two reactors the impedances proportional to the square of the frequency or the reciprocal of the square of the frequency may be obtained and by using three reactances impedances proportional to the cube or inversely proportional to cube or frequency may be obtained. In addition, series or parallel tuned circuits may be used. A line amplifier (Fig. 4) comprises an open circuit stable negative impedance I, II and a closed circuit stable negative impedance I<SP>1</SP>, II<SP>1</SP> connected in a line 6, 7 in T formation. The D.C. supplies to the transistors are obtained from the line 6, 7 through chokes 16 and 15, capacitors 17, 18 serving for by-pass purposes.
Patent GB-688992-A (GB)
Title: Improved refractory bodies and articles
Inventor: HILTON RAYMOND FREDERICK
Filed: 1950-12-20
Abstract: Refractories are made by firing a shaped mass formed from finely ground alumina at a temperature of at least 1300 DEG C. and not substantially above 1520 DEG C, Although not essential a temporary binding agent which is completely eliminated during the firing process, for example soluble starch, may be employed.  A linear shinkage of substantially less than 5 per cent is generally obtained. Specification 23071/08, [Class 87], is referred to.
Patent GB-1431583-A (GB)
Title: Subbing layer for polyester base
IPC: G03C1/93
Filed: 1973-06-29
Abstract: 1431583 Coated sheet material ILFORD LTD 28 June 1974 [29 June 1973] 31122/73 Addition to 1391650 Heading B2E [Also in Division G2] A film base material is obtained by coating one side of a film of synthetic linear polyester of highly hydrophobic character to a corona discharge to render this side capable of accepting an adherent layer and coating the treated side with an organic solvent solution of a phenoxy resin which has been partially esterified. The base film materials are able to accept phenoxy resin having the general formula wherein each of R 1 -R 7  is a hydrogen atom or a lower alkyl or cyclohexyl group, R 8  is a hydrogen atom or represents the acyl residue of either a partial ester of an organic dicarboxylic acid or a partial ester of trimellitic acid, n is at least 50 and from 10 to 95% of the R 8  groups are a said acyl residue. A lower alkyl group is an alkyl group containing 1-6 carbon atoms. Preferably n is 100 and it is preferred that the compound is 20-65% esterifled. The base film aterials are able to accept a hydrophilic layer such as a layer of gelatin, polyvinyl alcohol or polyvinyl acetal. The gelatin layer may be a gelatino silver halide emulsion layer, but normally an intermediate gelatin-synthetic polymer layer is provided between the partial ester phenoxy resin layer and the gelatino silver halide emulsion layer. The hydrophilic layer may comprise a light-sensitive diazonium salt to produce a diazotype material. Alternatively, after a polyvinyl alcohol or polyvinyl acetal layer has been coated on to the film base material as prepared, the polyvinyl alcohol or polyvinyl acetal may be surface hydrolysed and impregnated or coated with a light-sensitive diazonium salt. A suitable base material is a biaxailly oriented film of polyethylene terephthalate.
Patent GB-1024789-A (GB)
Title: Sewing machines
IPC: D05B69/16
Filed: 1963-03-20
Abstract: The subject matter is identical with that of Specification 1,024,788. The claims differ.
Patent GB-724390-A (GB)
Title: Improvements in or relating to glazing bars
Inventor: FOX-WILLIAMS JACK
IPC: E04D3/08
Filed: 1953-11-10
Abstract: 724,390. Glazing bars. WILLIAMS & WILLIAMS, Ltd. Nov. 10, 1953, No. 31179/53. Addition to 695,139. Class 20 (3).  The glazing bar assembly of the parent Specification is used to support a sheet of glass or other material in a vertical, or approximately vertical, plane.
Patent GB-795798-A (GB)
Title: Improvements in electrical connector box
IPC: H01H9/22
Filed: 1955-11-01
Abstract: 795,798. Switchgear structures; snap-action switches; switch cases. ROLLER-SMITH CORPORATION. Nov. 1, 1955 [Nov. 3, 1954], No. 31234/55. Class 38 (5). A connector box for connecting apparatus to bus-bars, comprises a receptacle having an open side and a hinged cover, the cover being locked by the operating mechanism when contacts within the receptacle are " extended " through the wall of the receptacle into butting engagement with the bus-bars and released when the contacts are " retracted". As shown, the box 2 is secured to a duct 118 containing bus-bars 116 arranged to be engaged by the movable contacts 64 which are located in recesses in an insulator 52 secured to a carrier 50 connected by parallel links 58 to pivots 60. The contacts 64 are biased by springs 64<SP>1</SP> and their upper ends are adapted to be engaged by contact bridges 74 so as to be connected to fixed contacts 26 which are connected to apparatus, such as fuses 42, in the box 2. Contacts 26 are carried by strips 22, 28 located in arc-confining recesses 18, 20 in a fixed insulator 14. Contact bridges 74 are guided by studs 72 and biased by springs 76 and are movable with the insulator 52 from the position shown to disengage contacts 26, 64, this action being followed by withdrawal of contacts 64 from the bus-bars 116. The carrier 50 is connected by an over-centre toggle mechanism 80, 84 to an operating handle 90 which is connected to a spring link 94, 100. The box cover 10 has a link 102 with a pin-and-slot connection 106, 108 to the carrier 50 so that the cover is locked when the contacts are closed.
Patent GB-249449-A (GB)
Title: Improvements relating to loom shuttles
IPC: D03J5/08
Filed: 1925-12-12
Abstract: 249,449. Bresges, F. W. Dec. 12, 1925. Shuttles.-A shuttle peg c is slidably connected to its pivoted socket a by screwed connection between the end g thereof and a spiral spring f anchored at h in the socket. Relative movement between the two parts is limited by a pin-and-slot connection i, k.
Patent GB-657578-A (GB)
Title: Improvements in or relating to endless tracks for vehicles
IPC: H03D5/00
Filed: 1948-12-03
Abstract: 657,578. Endless tracks. EST ETABLISSEMENTS SCIENCES TECHNIQUES, and BONMARTINI, G. Dec. 3, 1948, No. 31389. [Class 79 (i) ] A vehicular endless track comprises an endless flexible and inextensible tube having a lenticular cross-section with thin convex walls. Fig. 1 shows the tubular track 1 embracing two guide wheels 3, the tube being flattened where it is in contact with the wheels. In the form shown in Fig. 2 the track comprises two convex sections united at their edges by a pair of flexible non-extensible bands 6. The track may be inflated directly, or an inner tube 9, Fig. 5, may be used which substantially fills the cavity, or a tube 10, Fig. 6 which partly fills it. In the form shown in Fig 7 a tread section 12, e.g, of reinforced rubber, is united to a backing 11 of flexible steel. Fig. 8 shows a section having annular ground-engaging projections 13, 14 and an internal rib 15 which engages a groove on the driving sprockets.
Patent GB-193492-A (GB)
Title: Improvements in freight-handling apparatus
IPC: B66F9/02
Filed: 1921-11-23
Abstract: 193,492. Shields, T., (Shea, J. J.). Nov. 23,1921. Steering-gear.-A hand-truck, which can be readily taken apart and packed for storage or transport, is provided with detachable steering gear comprising a hand-lever 46, shaft 45, crank 44 and link 43. In use the link 43 is connected to the rear castors through the members 42, 40, 39.
Patent GB-826575-A (GB)
Title: Improvements in or relating to methods of producing silicon of high purity
Inventor: STERLING HENLEY FRANK
IPC: C01B33/029
Filed: 1956-10-16
Abstract: Silicon is produced from silane at a molar concentration less than "normal" by decomposition at a surface heated by induction directly by means of a concentrator coil supplied with high-frequency alternating current.  The reduced concentration may be produced either by using substantially pure silane having a sub-atmospheric pressure or a mixture of substantially pure silane and an inert gas in which the silane has a sub-atmospheric pressure.  Decomposition may take place at the surface of a silicon seed which is moved continuously from the decomposition zone so as to build up a body of silicon, in which case the seed may be preheated by radiation from a surrounding carbon tube itself heated by induction, or at a surface of molybdenum, in which case preheating is unnecessary.  Examples are given specifying pressure, decomposition temperature, flow rate, growth rate, and percentage decomposition.  A silicon crystal is grown in a vacuum sealed apparatus, part of which is shown, in which silane is injected <PICT:0826575/III/1> from a water-cooled pipe 31 on to a seed 43 situated on a plate 18 which may be continuously lowered as the decomposition proceeds. A water-cooled single-turn induction heating coil in the form of an annular copper box 26 having a radial slot 27 is situated just above the seed.  A perforated carbon tube 21 surrounds plate 18 at the commencement of heating, and is lowered when the seed has been sufficiently heated by radiation. The growth of the crystal may be viewed through a glass or quartz tube 42, a band 44 of which is maintained clean by a wiper 15.  The induction heating coil may alternatively have more than one turn.
Patent GB-898037-A (GB)
Title: Improvements in intermittent reversing drives
Inventor: MATTHEWS DENNIS JOSEPH
IPC: F16H27/08
Filed: 1959-09-15
Abstract: 898,037. Toothed gearing. BRENTFORD TRANSFORMERS Ltd. July 13, 1960 [Sept. 15, 1959], No. 31448/59. Class 80 (1). In toothed gearing having a single input shaft 6, Fig. 1, and two alternately-driven output shafts 11, 33 the shaft 11 is locked between its intermittent forward movements and during each of these locked periods the shaft 33 is rotated a few turns, first in one direction and then in the other. The shaft 33 is locked during movement of the shaft 11. The shaft 33 may be used for traversing the contacts of a regulator, the shaft 11 then actuating a switch at the end of each traverse. The shaft 6 carries a gear sector 7 and locking cam 9 co-operating with respective pinions and locking cams on diametrically opposed shafts 11, 15 which are thus alternately driven forwards. The shaft 15 is geared to a shaft 16 carrying a sector 18 and locking cam 19 co-operating with pinions and locking cams on two diametrically opposed shafts 22, 23 which are thus, when shaft 11 is locked, alternately driven forwards. Bevel gearing 30, 31 ensures that the respective shafts 22, 23 rotate shaft 32, which is geared to output shaft 33, in opposite directions. The gear ratios are such that for a cycle comprising four halfrevolutions of shaft 6: (1) the shaft 11 turns once ; (2) the shaft 32 rotates twice in one direction ; (3) the shaft 11 again turns once ; (4) the shaft 32 rotates twice in the opposite direction. The shaft 6 is driven through worm gearing and a handle 2 or a motor-gear-clutch unit 3, 4. In a modification the shaft 6, Fig. 2, is driven by a motor 4 or hand wheel 2 through spur gearing 105 and carries a locking cam 108 and a gear 107 having two single diametrically opposite teeth co-operating with a cam and pinion on the shaft 11 to move it through, say, 45 degrees twice during one revolution of shaft 6. The shaft 6 also carries a locking cam 19 and sector 18 which, through the shafts 22, 23, drives the output shaft 33 alternately in opposite directions, as in the Fig. 1 construction. The cam 19 is shaped to lock the shafts 22, 23 while the shaft 11 is moved. Specification 780,166 is referred to.
Patent GB-192533-A (GB)
Title: Improvements relating to fuel injection arrangements of internal combustion engines
IPC: F02M59/02
Filed: 1921-11-24
Abstract: 192,533. Crardner, J. Nov. 24, 1921. Cylinders receiving liquid fuel.-A supplementary charge of fuel is injected in advance of the main charge by a pump compressing two plungers, a, b, having common suction and delivery valves. The supplementary plunger a is of less diameter than the main plunger b, and the plungers may be actuated as shown bv separate cams or eccentrics g, h acting through bellcrank levers e, f; or a single bell-crank lever may actuate the main and supplementary plungers at the opposite extremes of its movement. When using two bell-crank levers, governor-controlled wedges i are interposed between the bell-crank levers and plungers and the relative angular position of the two cams may be varied. When using one lever a governor-controlled wedge is utilized only for the main plunger, an eccentrically mounted hand lever being interposed between the lever and the supplementary plunger in such a manner that the supplementary injection may be cut out altogether. Hand-actuating means for the main plunger may be provided. According to the Provisional Specification, the two plungers may be coaxial.
Patent GB-471019-A (GB)
Title: Improvements in closing rings for preserve tins and vessels for storage purposes
IPC: B65D45/16
Filed: 1936-11-18
Abstract: 471,019. Closure device for cans &c. ZAUBITZER, C. Nov. 18, 1936, No. 31574. Convention date, Nov. 18, 1935. [Classes 66 and 125 (iii)] In a closure device for cans or like vessels, an open ring a fits tightly on to the receptacle close under the rim b thereof and clamps f or stirrups g engaging the lower rim of the ring, are adapted to hold a cover k in position. The device is particularly suitable as a reseal closure for conserve tins but may be applied to new vessels, e.g. of glass or china. The ring a is held in position on the vessel by a tension or pressure spring e or the ring itself may constitute a spring contracting by its own tension.
Patent GB-428233-A (GB)
Title: Improvements in or relating to superheaters for smoke tube boilers
IPC: F22G7/14
Filed: 1933-11-13
Abstract: 428,233. Steam superheaters. NORTH EASTERN MARINE ENGINEERING CO., Ltd., Wallsend-on-Tyne, HUNTER, H., High Cottage, Dees Avenue, Wallsend-on-Tyne, and TINDALE, J., 40, Woodbine Road, Gosforth, Newcastle-on-Tyne. Nov. 13, 1933, No. 31579. [Class 123 (iii)] The tubes s of smoke - tube superheaters extend from a saturated steam header h<1> at the smoke box end of the boiler through the smoke tubes e combustion chamber d and back end a<2> of the boiler to the superheated steam header h<2>. The individual steam tubes may pass to and fro through a series of smoke tubes before passing through tubes e<1> to the header h<2>, and the last leg of the element may have a return bend portion wholly in the combustion chamber or extending some distance along a smoke tube ; the superheater may include elements of several such designs. One or more of the furnaces may be used for lighting up and contain no superheater tubes, the tubes in the corresponding smoke tubes being coupled to others which extend across another combustion chamber in order to raise the steam temperature.
Patent GB-454192-A (GB)
Title: Improvements in auxiliary means for governing the fashioning mechanism of straight-bar knitting machines
IPC: D04B11/06
Filed: 1935-11-14
Abstract: 454,192. Knitting-machines. TEBO, W. I., 10110, Monica Avenue, Detroit, Michigan, U.S.A. Nov. 14, 1935, No. 31595. [Class 74 (ii)] Relates to straight-bar machines having separate feed screws for the yarn carriers and the narrowing points, with forward and back racking pawls for controlling the feed screws. According to the invention, the separate feed screws 16, 17 are provided with notched index discs 36, 39 co-operating with vertically sliding detents 44 to prevent overrunning of the feed screws, and the pawls 38, 42 for forwardly racking the screws 16, 17 are retracted concurrently with the withdrawal of the detents 44 to permit back rotation of the screws at the completion of the knitting cycle of the machine. The pawls 38, 42 are coupled by a connecting link 47 and are actuated by a vertically reciprocating yoke member 48; the pawls 64, 43 for back racking are pivoted directly to the member 48. A slot 47<a> in the link 47 permits the pawl 42 to be operative after the pawl 38 has been rendered inactive. A rod 60 is moved axially under control of the measuring chain to move the pawls 64, 43 to inoperative position by means of pins 67, 58 upon collars 68, 59 and to control the position of the pawls 38, 42 by an arcuate cam 70<a> and pin 71 on the link 47.