baber/WOPTO huggingface dataset:
Patent GB-875303-A (GB)
Title: Delay mechanism
IPC: H01H3/04
Filed: 1959-09-04
Abstract: 875,303. Actuation of switches. OAK MANUFACTURING CO. Sept. 4, 1959 [Sept. 4, 1958], No. 30250/59. Class 38 (5). [Also in Group XXIV] When an operating shaft, e.g. of a switch, is moved from a first position to a second position, it is temporarily held in an intermediate position, from which it is released by a small reverse rotation, whereafter further rotation in the original direction to the second position is possible. The shaft 20 has a cam 60 fixed thereto and loosely carries a lever 31 to which is pivoted a pawl 44 biased clockwise by a spring 70. On rotation from the Fig. 8 position, the cam edge 66 engages a lug 38 on lever 31 and carries the lever and pawl round with the shaft to the Fig. 10 position, movement in this direction being unobstructed by the above-described parts, although it may be delayed by a duplicate unit acting for that direction of rotation. When the shaft is turned back counterclockwise, a hook 65 thereon engages over a part 45 of the pawl and tilts the pawl counterclockwise about its pivot 57, so that the pawl is caused to abut a stop 29, thereby arresting the shaft, Fig. 11. slight reverse movement of the shaft then causes the parts 45, 65 to disengage, so that the pawl can be turned clockwise by its spring 70. Thus, when the shaft 20 is again moved counterclockwise, the cam 60 clears the pawl and the shaft movement to the second position is unobstructed. The shaft carries an indexing plate co-operating with a ball, and the intermediate position of the shaft is arranged to be about 5 degrees beyond an index point, so that the index mechanism returns the shaft through said 5 degrees to give the required small reverse rotation.
Patent GB-976152-A (GB)
Title: Improvements in or relating to air cleaning devices
IPC: B01D46/18
Filed: 1961-08-22
Abstract: 976,152. Gas filters. AMERICAN AIR FILTER CO. Inc. Aug. 22, 1961 [Aug. 25, 1960], No. 30313/61. Heading B1T. A band 8, Fig. 3, of resiliently-compressible material which is progressively moved in its uncompressed state across a stream of air to be filtered, and which has its edges engaged in stationary air sealing means such as channels 18, passes also between stationary complementarily-shaped members 32, 26 disposed on opposite sides of the band at a distance (from the nearer edge) at least as great as the uncompressed thickness of the band. Sagging or "waisting" is thereby prevented. Where the band has its width dimension vertical and is moved horizontally, only one pair of such members need be provided, and that near the upper edge, Fig. 3 ; where, as in Fig. 5, the width dimension is horizontal and the band is moved vertically, one pair is needed near each edge as shown.
Patent GB-888101-A (GB)
Title: Improvements in clutch mechanisms
Inventor: SMITH LESLIE WILFRED HARDWICK
IPC: F16D13/50
Filed: 1959-09-07
Abstract: 888,101. Friction clutches. NORTH THAMES GAS BOARD. Sept. 7, 1960 [Sept. 7, 1959], No. 30424/59. Class 80 (2). A friction clutch comprises driving-plates 11, 12, engageable with a driven plate 14 against the force of disengaging springs 33 by levers 34 which are pivotally mounted on the forked ends 32 of guide members 28 which are screwed into the plate 12 and pass through apertures in the plate 11. The plate 11 is formed with a flange 36 forming a lip serving as fulcra for the levers, the inner ends of the levers being actuated by an axially slidable sleeve 37 to engage the clutch. Driving-plate 11 is keyed to a driving-shaft 18 by a key 21 and the driven plate 14 is splined to a shaft 41. The driving-plate 12 is secured to the plate 11 for rotation therewith by guidepins 26 screwed into the plate 11 and passing through apertures in the plate 12, and also by the guide members 28 around which the disengaging springs are disposed.
Patent GB-667059-A (GB)
Title: Improvements in the production of para-amino-n:n-disubstituted anilines
Filed: 1949-11-28
Abstract: p-Amino derivatives of N : N-dialkylanilines in which an N-alkyl group may be substituted by a hydroxy group and where the benzene ring may be substituted by alkyl or phenyl groups, are prepared from the corresponding N : N-dialkylaniline by treatment with nitrous acid in an acid medium, setting free the resultant p-nitroso compound with caustic alkali, and catalytically hydrogenating it in a water-insoluble solvent, e.g. the initial N : N-dialkyl-aniline. Suitable starting-materials are N : N-dialkyl toluidines and xylidines.  In the examples there are prepared: (1) p-amino-dimethylaniline; and (2) N(-b -hydroxyethyl)-N-ethyl-p-phenylenediamine.
Patent GB-665276-A (GB)
Title: Improvements in and relating to presses for the manufacture of continuous web material
IPC: B28B5/02
Filed: 1948-11-24
Abstract: 665,276. Endless-band pressing machines. BRITISH ARTIFICIAL RESIN CO., Ltd., and FISCHBEIN, W. J. Nov. 21, 1949 [Nov. 24, 1948], No. 30542/48. Class 87(ii) [Also in Group VIII] The upper platens 19 of a caterpillar press of the type de scribed in Specification 595,423 are constrained by a part 39 of rails 13 to move in an arc during their passage through the squeezing zone which arc is of sufficiently large radius that the metal band F associated with the platens is not stressed beyond its elastic limit as it passes through this zone. Small gaps 32 are left between the platens, so that when the band F, during its passage through the squeezing zone, is forced between the gaps, each gap is of sufficient width to prevent that part of the band forced into it, from being stressed beyond its elastic limit. The gaps may be about #-inch and the edges of the gap at the faces of the platens may be radiussed out to -inch. The gaps need not extend through the thickness of the platens. The platens are carried by link chains, see Fig. 5 (not shown), having rollers 14 which engage the rails 13. The axes of the rollers and the axes of the link pivots lie in the central planes of the gaps. Gaps between the lower platens need not be provided but, if provided, they help to allow for expansion and to accommodate debris. The platens may be heated by electric resistance elements or by radiant heaters situated near their return laps. Pressure is applied to the material in the press by pistons 10, Fig. 3, working in hydraulic cylinders 11, the pistons supporting vertically slidable beams 7 on which the rails 13 are carried. Adjustable limit stops are provided to adjust the thickness to which the material is reduced. Heat insulation may be provided between the platens and the links. The lower platens may have side flanges 31. The material pressed may be sawdust, comminuted fibrous or cellulosic material bound with a thermosetting plastic, the material being prepared and fed to the press as described in Specification 665,275, with or without upper and lower layers of paper or textile material. The press may also be used for laminating sheet material, e.g. plywood, fabrics, felted material or metal sheets.
Patent GB-362086-A (GB)
Title: Improvements in or relating to electron tubes
IPC: H01J7/18
Filed: 1930-10-13
Abstract: 362,086. Thermionic valves. THORNTON, A. A., 7, Essex Street, Strand, London. - (Radiowerk E. Schrack Akt.-Ges. ; Flotzersteig, Vienna.) Oct. 13, 1930, No. 30584. [Class 39 (i).] In an electron discharge tube in which a getter is evaporated, a body 9 of large surface area compared with that of the inner surface of the bulb is provided, on which the major part of the getter condenses. The condensation surface 9 is formed of fibrous material such as glass wool, quartz wool, asbestos or other organic material. The bulb is evacuated and heated to above 374‹ C. to evaporate water vapour and remove occluded gases from the body 9. Magnesium is then evaporated whilst the body 9 is kept at a lower temperature than the evaporating temperature of magnesium and the body 9 is thus coated with a thin layer of magnesium. The electrode structure may bear against the body 9 which is made of elastic material, e.g. calcined glass wool, to reduce electrode vibrations and such a damping cushion may also be placed between the electrodes, in which case no condensation of the getter takes place at these parts and any stray condensate is removed by passing a discharge between the electrodes. When a single electrode is supported elastically against the wall of the tube balls of fine metal wire such as tungsten wire may form the condensation surface and electrode cushion.
Patent GB-144200-A (GB)
Title: Improvements in knife cleaners
IPC: A47L21/04
Filed: 1919-12-06
Abstract: 144,200. Axten, C. J. Dec. 6, 1919. No Patent granted (Sealing fee not paid). Knives, cleaning.-In knife-cleaners of the type comprising two cleaning-boards a, b surmounted by a flexible handle c, a spiral spring f encircling a pin e is arranged between the handle and the upper board. The latter is guided by being recessed at the ends to co-operate with the upright parts of the handle, which is fixed to the lower board.
Patent GB-680917-A (GB)
Title: Improvements in vehicles
IPC: A63H33/00
Filed: 1949-11-30
Abstract: 680,917. Motor vehicles. FARISH, T. G. Nov. 27, 1950 [Nov. 30, 1949], No. 30711/49. Class 79 (iii) A motor vehicle comprises a dummy steering wheel by means of which a child sitting beside the driver of the vehicle can make a pretence of steering the vehicle without affecting or controlling the real steering mechanism. As shown the real steering wheel 2 is fitted with the normal horn button 4 and gear change lever 5. Mounted on a steering column 11, which is removably secured to the vehicle floor in front of the seat beside the driver by a rubber suction cup, is the dummy steering wheel 10 fitted with a dummy horn button 14 and gear change lever 15. A dial indicator may be fitted on the dashboard or other suitable position having a main indicator hand controlled by the real steering wheel and a second indicator hand operated by the dummy steering wheel so that the latter can be operated to coincide with the movements of the real steering wheel.
Patent GB-1534366-A (GB)
Title: Signal processing arrangements
IPC: G01N29/44
Filed: 1976-07-23
Abstract: 1534366 Ultrasonic investigation systems EMI Ltd 28 June 1977 [23 July 1976] 30764/76 Heading G1G An arrangement for processing signals representing received pulses of energy which have been subject to attenuation which is a function of their propogation time, e.g. ultrasonic pulses in a human tissue investigation system, comprises means, e.g. as shown in Fig. 2, for converting the signals to logarithmic form and means, e.g. as shown in Fig.4, for effectively subtracting therefrom a further signal representing the logarithm of the attenuation function. Means may be provided for them producing the anti-logarithm of the signals after the subtraction, Fig. 5 (not shown).
Patent GB-628266-A (GB)
Title: Improvements in mobile well drilling apparatus
IPC: E21B7/02
Filed: 1946-10-16
Abstract: 628,266. Well-boring apparatus. HETHERINGTON, J., LANCHESTER, G. H., and STERLING ENGINEERING CO., Ltd. Oct. 16, 1946, No. 30825. [Class 85] [Also in Groups XXIX and XXX] A well-drilling equipment is mounted on a chassis 3 carried on a vehicle frame 2 and at the site is independently supported on jacks 127. The chassis 3 carries a rotary drill table 80, Kelly chuck 95, a derrick formed of two or more hinged sections 7, 12, motors 25, 38, mud pumps, and the auxiliary pumps and generators. The motor 25 drives the rotary table whilst the motor 38 drives the mud pumps 36; the two motors may be coupled together but normally function independently of each other. The rotary table is carried on a platform 62 pivotally mounted at 69 in slipper blocks 66 which slide in guides 67 formed on the chassis 3 so that the table may be withdrawn from over the borehole by a ram 74 after the completion of drilling, in order that the well casing may be inserted. The platform 62 is levelled by adjusting screws 72. The Kelly chuck 95 is carried on rams 96 so that positive upward and downward pressure may be applied. Two sets of chuck jaws 115, 115a are provided and are caused to grip the Kelly chuck by conical sleeves being forced axially in the chuck as a buttress toothed ring 110 is rotated, the buttress teeth moving over corresponding teeth formed on the sleeves 112. The motor-driven drillraising means may be disconnected and a manuallyoperated inching means provided for making small adjustments. Specification 628,267, [Group XXIX], is referred to.
Patent GB-1333802-A (GB)
Title: Lasers
IPC: H01S3/08
Filed: 1971-07-01
Abstract: 1333802 Lasers EASTMAN KODAK CO 1 July 1971 [2 July 1970 22 Feb 1971] 30886/71 Heading H1C [Also in Division C4] A dye laser active medium is maintained optically homogeneous by flowing the medium through a resonant cavity, and any dye molecules excited to a triplet state are removed chemically, the resulting laser being capable of continuous emission. Fig. 1 shows a dye laser medium 11 in a hemi-spherical cavity formed between mirrors 16, 17; these mirrors comprise reflective coatings on a highly thermally conductive substrate to aid cooling. Pumping radiation from a continuous argon laser 30 is concentrated into a small region of the dye around mirror 17. The output of the dye laser emerges from mirror 16 and is collimated by lens 25. A pump 4 circulates the dye through the cavity and heat exchanger 45. The relative positions of the focus of the pumping energy and of the spherical mirror 16 are discussed, Fig. 2 (not shown), and an alternative cavity using external mirrors is described, Fig. 3 (not shown). In Fig. 4 the spherical mirror is is replaced by a lens 70 and plane partially transmissive reflector 71. Prism 74 is dispersive so that by tilting reflector 71 the laser output E is tuned. Filters and diffraction devices may also be used for tuning. Flow rates of 200-600 cm./sec. are appropriate to maintain the medium optically homogeneous; this rate is, however, insufficient to sweep away metastable triplet state molecules, so that chemical additives are required. For the rhodamine dyes molecular oxygen removes the triplet state, while for fluorescein dyes anthracene or cyclo-octatetraene are used. Suitable dye solvents include water containing deaggregating surfactants or detergents as described in Specification 1,308,108.
Patent GB-705496-A (GB)
Title: Improvements in or relating to electrical storage apparatus
Inventor: WILLIAMS FREDERIC CALLAND
IPC: H01J31/60
Filed: 1949-12-01
Abstract: 705,496. Digital electric calculating-apparatus. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Nov. 21, 1950 [Dec. 1, 1949], No. 30908/49. Class 106 (1) In an electrical digital storage apparatus comprising C.R.T. stores e.g. as described in Specifications 645,691 and 657,591, the time intervals for reading from the different C.R.T. screens are interlaced with one another whereby the information can be read at a digit repetition frequency which is a multiple of that of any one of the stores. As illustrated in Fig. 1, eight C.R.T. stores, for binary-digital members, each including a pick-up plate PU, amplifier AMP, read unit RU and write unit WU, have their read output pulse trains and write input pulse trains timed by strobe pulses (not necessarily coincident), those for different stores being staggered as shown in Fig. 2e-g. The read outputs, Fig. 2mp, are sent to a buffer circuit B whose single output, Fig. 2g, is combined in an adding circuit AD with an external input pulse train applied to terminal T1, the output train being split up by gates RG to write selected digits in each store, e.g. the 1st and 9th into store O and so on. For a 40-digit number or "word", 5 digits will be stored on a line (having a capacity of e.g. 40 digits) of each C.R.T. screen. The screens are therefore divided into columns of 5-digit lines which are selectively scanned by applying appropriate shift voltages to the X-plates. Timing is effected by basic ¢ Ás pulses, Fig. 2a, and the waveforms of Fig. 2b-d obtained therefrom by frequency division. These are combined, inverted and as shown, to produce the strobe pulses which are used, in circuits given in the Specification, to produce the staggered dot and dash pulses, Fig. 2h-1. A circuit for units RU, B, RG and WU is also given including a switch which when closed directly connects the read output and write input terminals TD, TC.
Patent GB-1157624-A (GB)
Title: Press-Fasteners.
Inventor: SEDGWICK DAVID CHRISTOPHER JAM
IPC: F16B19/10
Filed: 1965-07-21
Abstract: 1,157,624. Rivets. NEWEY BROS. Ltd. 8 Aug., 1966 [21 July, 1965], No. 30931/65. Heading F2H. [Also in Division E2] The stud of a press stud fastener constitutes the tail of a blind rivet and comprises a stud portion 14, a neck portion 10 and a head portion 11, the head portion 11 being enlarged after being inserted through a hole in a support, by a mandrel 12 having a part 13 which is drawn into the head portion 11 for that purpose, the part 13 of the mandrel being retained in the rivet after installation. The fastener is used to secure carpet in a vehicle, the stud being engageable with a socket 21 attached to the underside of the carpet.
Patent GB-481765-A (GB)
Title: Method of and means for introducing stiffening powder or such like into folds or parts of garments
IPC: A41D1/10
Filed: 1936-11-13
Abstract: 481,765. Powder blowers. KAIN, E., and GRIFFITH, R. O. Nov. 13, 1936, No. 30988. [Class 18] A blower for introducing stiffening powder &c., between the folds of garments i.e. between layers of cloth, so that when ironed the cloth is stiffened, consists of a rubber &c. container a with a nozzle b vulcanized &c. thereto, a metal collar c, a hand-grip d with finger holes d<2> and a screwed spout e knurled at e<1> and sharpened at f<1> to facilitate insertion between or into the folds of cloth. A clearing rod h may be provided.
Patent GB-804212-A (GB)
Title: Improvements in oil cans
Inventor: TURLEY CHARLES EDWARD
IPC: B65D47/34
Filed: 1955-10-29
Abstract: 804,212. Reciprocating pumps. WESTWOOD Ltd., A. E. Oct. 29, 1956 [Oct. 29, 1955], No. 30988/55. Class 102(1). [Also in Group XVII] A metal oil can 7 has a union boss 6 formed with an internal shoulder, a spout 1 of flexible plastic material with a collar 4 at one end terminating in a conical surface 5 for engaging and bedding on the internal shoulder, an integral flange 9 on the collar 4 for bedding on the outer end of the boss 6, and a screwed ring 8 for clamping the flange 9 to the boss 6. The spout 1 has a nipple shaped head 3 at its free end.
Patent GB-1073924-A (GB)
Title: Improvements in or relating to a method for the reduction of haze in beer
IPC: B01J20/12
Filed: 1964-08-04
Abstract: In the method for the reduction of haze in beer described and claimed in Specification 981,715 a layered mineral having a grating or lattice capable of swelling is added to the beer before or after or simultaneously with the silica gel.  Minerals mentioned: aluminium silicates and bleaching earths belonging to the montmorillonite group (in general); bentonite, calcium bentonite, beidellite, hectorite, illite, nontronite, sepiolite and vermiculite are specifically mentioned (certain of these are not montmorillonites).  Strongly swelling layered minerals and minerals the swelling capacity of which has been reduced or destroyed by acid or by heat treatment (roasting at a temperature of 400 DEG -500 DEG  C.) may be used. The addition to the beer may consist of up to 75% of the layered mineral with the remainder of silica gel and the silica gel may have been ground so finely that at least 90% has a grain size of not more than 40 microns. Comparative experiments disclose the treatment of beer with silica hydrate and small-pored silica gel.
Patent GB-306579-A (GB)
Title: An improved system for the storage of heated water for use at a later period and in the method of mixing and distributing the stored water at an equable temperature
IPC: F24D11/00
Filed: 1927-11-22
Abstract: 306,579. Musgrave, J. L., and Crittall & Co., Ltd., R. Nov. 22, 1927. Heating systems. -In a heating system employing a heating-distributing circuit 11, 12, 14 and a storage circuit for heated water 5, 7, 1, 2, 3, 15, in which a mixing- chamber 6 is provided to which hot water from the storage is. admitted when necessary to maintain a predetermined temperature in the heating circuit 11, 12, 14, a thermostatically controlled valve 13 is so placed as to control the return 14 to the mixer and the return 15 to the storage or source of heat. In Fig. 1 three storage tanks 1, 2, 3 are provided which, during the heat storage period are filled in turn. In Fig, 3, the storage tanks 1 - - 4 are mounted above the heating system and the circulation is maintained by a pump. The filling and emptying in turn as necessary of these tanks is regulated by float-controlled valves in cylinders A. B.
Patent GB-382763-A (GB)
Title: Stabilizer for vehicles
IPC: B60G7/00
Filed: 1931-11-12
Abstract: 382,763. Preventing lateral canting. NEWTON, A. E., Meeching, Bradbourn Park Road, Sevenoaks, Kent. Nov. 12, 1931, No. 31385. [Classes 103 (vi), 108 (ii) and 108 (iii).] A device for preventing lateral canting of a vehicle includes two rigid links resiliently pivoted together at one end and connected to the vehicle body and an axle by pivoted joints, some or all of which are made resilient. In one form, the frame 10 of a vehicle is supported on the axle 6 by laminated springs 11 and is further connected thereto through the rigid links 1, 2 and thrust rods 3. The links 1, 2 are formed of channel bars bolted together so as to form a cavity therebetween. The joint 4 between the links includes an annular rubber block 18, Fig. 3, housed between a casing 17 on the end of one link and a pin 19 carried by a casing 16 on the other link. Two dished washers 21, 22 and a spring washer 23 are arranged on the pin 19 so as to compress friction discs 24 arranged between the lateral faces of the casings. The connection 9 between each thrust rod and its appropriate link includes a stud 27, Fig. 4, on the end of the rod and an annular rubber block 25 gripped between the channel bars. The connections between the thrust rods and the vehicle frame and also between the links and the axle each include a fixed bolt provided with a sleeve surrounded by an annular rubber block housed respectively in the end of the thrust rods or links.
Patent GB-778954-A (GB)
Title: Improvements in trailers and couplings for use therewith
IPC: B60D1/14
Filed: 1953-11-16
Abstract: 778,954. Trailer vehicles; vehicle couplings. WILKINS, C. T. Feb. 11, 1955 [Nov. 16, 1953], No. 31674/53. Classes 103(5) and 108(1). A coupling, for a trailer having only a single rear wheel, a sharpened end 3, and anglesectioned girders 7 supporting the body and wheel, comprises a cruciform member 10, 11, fixed to the towing vehicle bumper 13 by means of studs 14 and a bracket 12 to pivot in a vertical longitudinal plane, and removably and pivotally attached by means of a withdrawable bolt 9 and a bracket 8 to the trailer. The bolt 9 passes through the limb 10 at an angle to the vertical so that when turning a corner the trailer banks inwardly about the bolt 9 to counteract centrifugal force, whilst the studs 14 permit the trailer to pivot in a vertical plane. In a modification the bracket 8 may be arranged with its lugs positioned transversely of the trailer and the cruciform member 10, 11 is fixed to the trailer by the studs 14 instead of to the towing vehicle. Rubber stops 18 are provided on the trailer body and are initially packed out to engage the bumper 13 on full lock turns. The trailer may have open mesh detachable sides for carrying livestock, and may also be provided with detachable handles so that it may be used as a wheelbarrow.