baber/WOPTO huggingface dataset:
Patent GB-467949-A (GB)
Title: Rug-making attachment for sewing machines
IPC: D04G3/02
Filed: 1936-07-02
Abstract: 467,949. Sewing - machines. FAIRWEATHER, W. C. (Singer Manufacturing Co.) July 2, 1936, No. 18332. [Class 112] [Also in Group IX] Attachments for laying yarn or rope loops on a backing fabric and securing the loops by stitching, as described in Specifications 455,095 and 456,633, are also provided with means for cutting the loops, the cutting means being operated by the needle bar. The operation of the device is as follows, starting with the needle at the top of its up stroke, Fig. 1, and the segmental member 20 carrying the yarn, at one extremity of its oscillating movement, Fig. 17. As the needle descends, the member 20 moves to the left and the feed dog 5 moves the backing to a stitch length before the needle enters the work. The oscillation of the member 20 slackens the yarn 64 between the loop-taking finger 35 and the delivery eye 21. The descending needle enters the work, penetrating the yarn and backing. Further motion of the member 20 takes up the slack of the yarn and the offset portion 36 of the finger reaches the loop-taking point 35. The scissors device 34 has at this time been fully closed to cut the previously formed loop. The closed scissors device is then depressed to carry the finger 35 below the yarn strand extending from the needle 2 to the delivery eye. The portion 36 allows this strand to be deflected forwardly to be passed by the downwardly moving finger 35. As the needle rises, the member 20 oscillates to the right and throws the next loop which is seized by the rising finger 35. On its down stroke, the needle bar moves the lever 52 relative to the lever 53 compressing the spring 60 Hence during the first part of the upstrike of the needle and while the member 20 is moving to the right, the loop-taking finger 35 dwells in its lowermost position as the yarn loop is bowed out for seizure by the finger. The plane of action of the scissors blades is inclined, Fig. 10. By adjusting the inclination, the relative lengths of the cut limbs of the loops is proportioned to secure an even top surface of the pile as shown in Fig. 22.
Patent GB-647116-A (GB)
Title: Improvements in or relating to daylight reflecting devices
Inventor: FISK ERNEST THOMAS
IPC: F24F13/15
Filed: 1948-07-08
Abstract: 647,116. Daylight reflectors. ELECTRIC & MUSICAL INDUSTRIES, Ltd. July 8, 1948, No. 18356. [Class 20(iii)] An external reflecting device for surrounding a window opening comprises a frame 1, louvres 4 preferably of metal, each having a light reflecting surface 5 and a light diffusing surface 6. The latter may be provided with a matt surface and may be corrugated or have pyramidal shaped protuberances. The louvres may be simultaneously adjusted by a connecting rod 10 so that light reflected from a reflecting surface may be diffusely reflected from the diffusing surface into a room, or so that in another position light may be directly reflected into the interior. Ventilation of the room will also be controlled in adjusting the louvres. The louvres 4 which may comprise a pair of plates secured together are mounted on pivots 9 journalled to the supports 2, 3 and may be angularly adjusted from the interior by a cord 12 coupled to a pulley 11 and drawn through the guide 13.
Patent GB-334954-A (GB)
Title: An improved method of mounting the driving wheels of motor vehicles
IPC: B60K17/30
Filed: 1929-06-14
Abstract: 334,954. North, O. D., Hugh, P. G., and Scammell Lorries, Ltd. June 14, 1929. Axle structures.-The axle casing 1 is provided with pivot pins 9 for the steering stub-axle 10 and encloses the differential gear and driving shafts 4.
Patent GB-184434-A (GB)
Title: Improvements relating to machines for removing weeds from railway road beds
IPC: E01B27/06
Filed: 1921-04-29
Abstract: 184,434. Scheuchzer, A. April 29, 1921. Addition to 157,308. Mechanical spade and similar implements.- In a machine for destroying weeds on railways comprising knives which are automatically lifted over the sleepers as described in the parent Specification the auxiliary motor for raising and lowering the knives is set in motion by an appliance drawn through the ballast and directly actuated by the sleepers. The knives 15 are movable about an axis 151 by the operation of a motor having a valve controlled by the movement of a bell-crank lever o, n which is normally urged in a counterclockwise direction by a spring g. The sleeper engaging roll e is carried by a rod d sliding in a block d<2> pivoted on a sliding piece k which is connected by link-and-lever mechanism k<3>, k<4>, k<2> to a hand-wheel. The rod d is pressed against a cam arm l on the sliding piece by a spring m. It engages in a curved slot in the arm n of the bell-crank lever. Different widths of sleeper are allowed for by adjusting the height of the sliding piece k. The protuberance in the cam l presses the rod d backwards as it turns so that the roller leaves the sleeper after the knives have passed the sleeper. Two pilot rollers, one at each side of the track, may be provided for operation on irregular sleepers or on curved tracks the knives being held up so long as one of the rollers engages a sleeper. Specification 162,622 is referred to.
Patent GB-1073163-A (GB)
Title: Copolyesters
IPC: C08L67/00
Filed: 1964-05-05
Abstract: Block copolyesters of molecular weight at least 10,000 and melting at 265 DEG  to 300 DEG  C., are made by heating at 260 DEG  to 340 DEG C. a molten mixture of (A) 60 to 95% by weight of poly(1,4 -cyclohexylenedimethylene terephthalate) of molecular weight 4000 to 100,000 and (B) 5 to 40% of a sterically hindered homopolyester of molecular weight 1500 to 25,000 and containing the residue of (1) a glycol of formula HO-(CH2)r-X-(CH)r-OH (r being 0 or 1 but at least one r being 1 in the case that X is as defined in (a) below) and a dicarboxylic acid, or (2) a dicarboxylic acid of formula HOOC-X-COOH and a glycol, or (3) a hydroxycarboxylic acid of formula HO-CH2-X-COOH, wherein X is a divalent radical which is <FORM:1073163/C3/1> wherein m, n and p are each 1 to 4; (b) a cyclo-alkylene radical containing 4 to 10 carbon atoms in the carbocyclic ring and having zero or one unsaturated linkage between the nuclear carbon atoms, or (c) a bicycloheptylene radical having zero or one unsaturated linkage between the nuclear carbon atoms. Preferably the sterically hindered homopolyester is derived from a glycol as defined in (a) and a dicarboxylic acid as defined in (b). In examples, poly(1,4-cyclohexylenedimethylene)-terephthalate was heated with (1) poly(pivalolactone; (2) poly(2,2-dimethyl-1,3-propylene-2,2-dimethylmalonate); (3) poly(2-methyl - 2-ethyl - 1,3 - propylene - norcamphhane - 2,5 - dicarboxylate); (4) poly(2,2-diethyl-1,3-propylene - 1,4 - cyclohexanedicarboxylate); (5) poly-(1,2 - cyclohexylenedimethylene - 1,4 - cyclohexanedicarboxylate); (6) poly(1,4-cyclohexylenedimethylene - 1,4 - cyclohexanedicarboxylate); (7) poly(1,2-cyclohexylenedimethylene-1,2 - cyclohexanedicarboxylate); (8) poly(1,2-cyclohexylenedimethylene terephthalate); (9) poly(2,2,4,4 - tetramethyl - 1,3 - cyclobutylene - 1,4 - cyclohexanedicarboxylate); (10) poly-(2,2,4,4 - tetramethyl - 1,3 - cyclobutylene terephthalate); (11) poly(2,2-dimethyl-1,3-propylene - 1,4 - cyclohexanedicarboxylate); (12) poly(2,2 - dimethyl - 1,3 - propylene terephthalate); (13) poly(2,2-diethyl-1,3-propylene-1,4-cyclohexanedicarboxylate). Uses.-Films, fibres, moulding, electrical applications.
Patent GB-883465-A (GB)
Title: Method and apparatus for the detection of ore bodies
IPC: G01V3/165
Filed: 1959-06-01
Abstract: 883,465. Locating bodies. BARRINGER, A. R. June 1, 1959 [June 16, 1958], No. 18551/59. Class 37. [Also in Group XL (c)] A method of obtaining information on the characteristics of an ore comprises inducing an electromagnetic field into the ore, terminating the energization abruptly and recording the decay characteristics of the field. The equipment is adapted for mounting in an aircraft. A pulse generator 10 (Fig. 1), comprises an electronic device 28 (Fig. 2), which applies triggering pulses to the grid of a thyratron 30 at, say one second intervals, causing the thyratron to strike and develop a large current pulse in the radiator coil 11, which is tuned by a capacitor 31. Alternatively the thyratron may be triggered at predetermined points along the flight path of the aircraft. Harmonics and negative portions of the pulse are removed by heavily damping the coil with resistor 32 and by shunting it with the diode 33, to leave output pulses of positive half sine waveform 12. The secondary field radiated by the ore is picked-up by a receiver 13 adapted to detect both vertical and horizontal radiated fields to provide horizontal and vertial signals 14, 15. These signals are fed via limiters 18, 19 and amplifiers 20, 21 into gates 22, 23 which are operated by a direct signal from the pulse generator over line 24 to block the channels during the time of the primary pulse. The resulting transient decay signals 14c, 15c are then fed into the display unit 25, into which is also fed information from an altimeter 26 and a pictorial view of the ground from a television pick-up unit 27, and the display photographed. The radiator coil is in the form of a loop mounted on the aircraft, Fig. 12 (not shown), and the receiver comprises two coils orientated at right-angles to each other mounted in a bird towed behind the aircraft, Fig. 10 (not shown).
Patent GB-427514-A (GB)
Title: Improvements in or relating to electric furnaces
IPC: C03B5/033
Filed: 1934-06-23
Abstract: 427,514. Electric resistance furnaces. RICRALET, P., 6, Rue Landry-Gillon, Barle-Duc, Meuse, France. June 23, 1934, No. 18613. Convention date, June 30, 1933. [Class 39 (iii)] [See also Group XXXVI] In a stationary or a tilting furnace for treating glass or the like, the charge is heated by one or more immersion heaters d rotatable about their own axes and each having two sets of external members which move the charge and oppose this motion respectively. These external members may consist of opposed helical ribs h<1>, h<2>. One of the heaters may be provided with temperature indicating means. The heating elements consist of single or multiple graphite or metal resistances e, either bare or encased in refractory material f, and of U-form. The heaters may be arranged horizontally, Fig. 3, with their ends engaged by insulating sleeves k externally ribbed and engaging plumbago plates l. Crushed graphite m is arranged between the plates. Additional electric or non-electric heating elements may be provided.
Patent GB-1192061-A (GB)
Title: Steroidal 1,4-Dienes
IPC: A61K31/573
Filed: 1967-04-24
Abstract: 1,192,061. #<SP>1</SP>'<SP>4</SP> - 3 - Unsubstituted steroids. AMERICAN HOME PRODUCTS CORP. 24 April, 1967 [25 April, 1966; 13 March, 1967], No. 18663/67. Heading C2U. Novel compounds of formula (wherein R is C 1-5  alkyl; R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> are H or C 1-5  alkyl; and X is an organic radical of at least 11 carbon atoms so arranged as to complete a cyclopentanoperhydrophenanthrene nucleus) are prepared by reducing the corresponding 3-hydroxy, 3-acyloxy or 3-oxo steroids, any sensitive groups in the molecule having been protected and being subsequently regenerated if required. The 3-hydroxy and 3-acyloxy compounds are reduced with an alkali or alkaline earth metal in liquid ammonia or a liquid amine. The 3-oxo compounds are reduced by reaction with aluminium hydride at 10-30‹ C. to give a mixture comprising the desired product with 1,3- and 2,4-dienes, treating this mixture with lithium in liquid ammonia to reduce these by-products to monoenes, and recovering the desired product from the resulting mixture by crystallization. The *3-Hydroxy-#<SP>1.4</SP>-steroid starting compounds (some of which are claimed in Specification 1,192,062) are prepared by reduction of the corresponding #<SP>1</SP>'<SP>4</SP>-3-ones, and may be converted to the #<SP>1,4</SP>-3-acyloxy starting materials. 20# - Hydroxypregna - 1,4 - dien - 3 - one is prepared from pregna-1,4-diene-3,20-dione with NaBH 4 . 21 - Acetoxy - 9α - fluoro - 6α - methyl - 11#, 17α - dihydroxy - pregna - 1,4 - diene - 3,20 - dione 20-ethylene ketal is prepared from the corresponding 11-one with NaBH 4 . 11#,20 - Dihydroxy - 17α,21 - isopropylidenedioxy - 1,4 - pregnadien - 3 - one is prepared from the corresponding 3,20-dione with NaBH 4 . Compounds of the above formula are described as having progestational, ovulationinhibiting, anabolic, androgenic, anti-androgenic, anti-inflammatory, anti-estrogenic, low catabolic, glycogenic, thymolytic and antigonadotrophic activities, and may be made up with carriers into pharmaceutical compositions for oral or parenteral administration.
Patent GB-204431-A (GB)
Title: Improvements in or relating to drying apparatus
IPC: F26B17/00
Filed: 1922-07-07
Abstract: 204,431. Johns-Manville, Inc., and W alsh, J. H. July 7, 1922. Reciprocating and oscillating conveyers coacting with fixed surfaces; chambers, details of construction of; air and gases, controlling circulation of.-The apparatus, which is suitable for drying loose materials, including wool, tan-bark, shavings, jute, cotton rags, &c., comprises a heat-insulating casing, Fig. 3, enclosing an air-heating chamber, a drying chamber with air inlets in the side wall and with means for aerating jets of air upwardly against the material which moves continuously though a series of horizontal paths, and a regenerative heater in which the fresh air is preheated by means of the warm moist out-going air, the circulation being effected under the positive pressure of a fan. The casing consists of asbestos wood panels 2 secured to standards or bearers 1, forming hollow walls and roof which may contain packing such as the corrugated asbestos 3. Metal parts may be coated to resist corrosive fumes. The drier is shown in front and end elevation in Figs. 1 and 2 respectively, part of the casing being removed. Material from the hopper F is delivered successively on to tables comprising fixed shelves 20 over which the material is moved by perforated members 19 carried by reciprocating members 16, 17, 18. Air is drawn into the regenerator 8 at 10 and is delivered by the blower 11 to the heating chamber 12 containing steam coils 13. The heated air is delivered to the drying chamber 6 through jet orifices in a number of transverse tubes 25 which extend from the side of the chamber adjacent to the heater 12 and are arranged between the shelves 20, so as to direct the air blast upwards against the material. The delivery orifices of the tubes are of varying width so as to produce jets of uniform intensity. The air from the drying chamber passes through the tubes 35 of the regenerator before escaping to the atmosphere. A screen 7, removable through a door 31, is provided across the inlet from the drying chamber to the regenerator, in order to prevent loss of dried material.
Patent GB-316178-A (GB)
Title: An improved method for picture transmission
IPC: H04N5/04
Filed: 1929-06-18
Abstract: 316,178. Lorenz Akt.-Ges., C. July 24, 1928, [Convention date]. Copying-telegraphs; synchronous movements and synchronism indicators.-In a picture telegraphy system, picture signals B and continuous synchronizing signals S are simultaneously transmitted on the same carrier wave, e.g. as in Specification 306,943, to a receiver E where the picture and synchronizing signals are separated by filter circuits, the picture signals B operating a galvanometer G controlling a light source L, and the synchronizing signals S actuating a light source GL of a stroboscopic disc Sch. This disc is driven by the motor M driving the drum W and indicates the relative speed of receiver and transmitter. The motor M is provided with an eddy current brake manually adjusted by a resistance RW and actuated by a valve oscillation generator R whose frequency is kept constant by a tuning fork St influencing a coil 3 in the grid circuit of the valve and this frequency preferably coincides with the frequency of the synchronizing signals S.
Patent GB-996357-A (GB)
Title: Step feed for presses or other machine tools
IPC: B21D43/05
Filed: 1962-05-15
Abstract: 996,357. Feeding mechanism; blank transferring; metal strip and wire feeds. E. SCHWARZ. May 15, 1962 [June 29, 1961], No. 18746/62. Headings B3H, B3Q and B3W. A step feed device for machine tools comprises at least one two-part gripper having its own drive, the gripper parts being on each side of the feed axis and each part being arranged to execute a tetragonal movement, two or more gripper drive levers mounted on oscillatable shafts and a spreader stamp on the tool carrier of the machine, said stamp being arranged to act on the grippers to cause a transverse release movement of them, wherein guide strips extending over the whole length of the device and located above the shafts are provided for carrying the grippers and wherein the spreader stamp is provided with wedge-shaped control surfaces arranged to cooperate with the adjacent inner longitudinal edges of the guide strips. A pair of pivot shafts 11 on which are mounted gripper drive devices C extend from a feed device drive box A above a machine table D to a support bearing B. Pairs of opposed identical grippers 36 are held on guide strips 41 which are driven by drive levers 37 attached to the shafts 11. A spreader stamp 42 which is attached to a vertically moving machine work head comprises a pair of stamps 44 mounted adjacent to one another and each having a flat crosssection and a tapered side face 46. In the event of a failure in the operation of the feed drive mechanism the grippers 36 are moved transversely outwards to disengage the workpieces by the tapered face 46 engaging the sides 48 of the strips 41 during the downward movement of the work-head. In a modification the stamp is of a T cross-section and comprises sections 44, 45, each having tapered faces 46, 47 respectively, in operation the front tapered face 47 engages a face 49 of a control plate 50 secured to the strip 41 to ensure actuation of the grippers in the direction of the idle stroke.
Patent GB-571863-A (GB)
Title: Improvements relating to the doors of furnaces
IPC: F23M7/00
Filed: 1943-11-12
Abstract: 571,863. Doors and door frames. MILLS. F. Nov. 12, 1943, No. 18913. [Class 51 (ii)] The door and door frame of a melting or reheating furnace are arranged at an angle to the vertical and means are provided on the door, jambs and headframe to reduce friction when the door is being raised and lowered and to provide effective sealing. The headframe 1 consisting of a flat plate is provided with flanges 7 secured to buckstaves 5 to which are also secured the flanges 8 of the door jambs. The headframe and jambs are provided with ribs 7A and 9 of semicircular cross-section which engage with corresponding recesses in the side flanges 12 of the door 10. The semicircular recesses in the door flanges are of larger radius than the ribs 7A, 9 to reduce friction. The door rests on an inclined sill 3A and the bottoms of the door flanges may be chamfered to engage chamfered lugs on the sill. The lifting gear for the door may be so arranged that when the door is first lifted from its closed position the upper part is moved slightly outwards. The headframe and jambs may be provided with recesses to engage with ribs on the door.
Patent GB-840291-A (GB)
Title: Magnetic fllter elements
IPC: B01D39/00
Filed: 1958-06-13
Abstract: 840,291. Magnetic filter elements. FRAM CORPORATION. June 13, 1958 [March 7, 1958], No. 18989/58. Class 117 [Also in Group I] Fibrous filter material has lodged therein or attached to a face thereof small particles of magnetic material that are magnetized to form minute magnets which attract ferrous particles in liquid passing through the filter. In Figs. 1, 3, sheets 10, 11 comprise cotton linters or synthetic fibres or fibres of wood or glass, and magnetic material in the form of powder or fibres 12 is secured between the sheets before being magnetized. A fine non-ferrous metal screen may be provided on the downstream side of the "sandwich" shown in Fig. 3 to hold back any fibres of the filter that become loose. In Fig. 5, a porous filter sheet 15 has magnetic particles within its interior, the particles being mixed with the fibrous stock when the sheet is formed. In filtering oil or other liquids containing moisture it is preferred to treat the sheet with a resinous material, e.g. a phenol formaldehyde resin, to hold the fibres in place and to prevent the sheet from becoming limp in the presence of moisture. An added bonding agent such as polyvinyl acetate may be used to secure the particles 12 in place and to hold the sheets 10, 11 together. The filter material may be cut or moulded to disc shape, or pleated and arranged between end caps 19, Fig. 7, or spirally wound 22 on a perforated centre tube 21, Fig. 8. The magnet particles are larger in diameter than the pores of the filter sheet but preferably most of the particles have their major dimension less than onehundredth of an inch.
Patent GB-1392928-A (GB)
Title: Transistor arrangements
IPC: H01L23/40
Filed: 1971-06-05
Abstract: 1392928 Mounting transistors MARCONI CO Ltd 15 May 1972 [5 June 1971] 19143/71 Heading H1K A switchable transistor 10 is mounted on a heat sink 31 but is electrically insulated therefrom, there being provided means for electrically screening the emitter and/or collector terminals of the transistor, and any electrical connections thereto, from the heat sink 31. The transistor 10 preferably has a metal case 37 constituting the collector terminal, screening thereof from the heat sink 31 being effected by a metal plate 51 spaced by insulating layers 52, 53. A metal plate 35 spaced from the heat sink 31 by insulating bushes 36 provides screening for the other terminal pins 38 of the transistor. The plate 35 may have a flange (41), Fig. 4 (not shown), extending into the hole in the heat sink (31) through which the terminal pins (38) extend, in order to improve the screening. An additional screening plate (54), Fig. 6 (not shown), may also be provided between the plate (35) and the heat sink (31), insulated from both by respective insulating layers (55, 56).
Patent GB-220153-A (GB)
Title: A stand for supporting picture, photograph, mirror and like frames and the like
IPC: A47G1/14
Filed: 1923-07-26
Abstract: 220,153. Gude, G. W. July 26, 1923. Card and like stands.-A stand for supporting picture, mirror, &c. frames has inclined side struts b fixed to a base a and provided with slots e in which the frame c is placed. For rectangular frames, as shown, slots d are provided in the struts to take the lower corners of the frame, but for oval &c. frames a slotted centrepiece is fixed to the base to receive the lower edge of the frame, the slots d being omitted. The frame may be fixed to the struts by screws &c.
Patent GB-258560-A (GB)
Title: Improvements in or relating to electrodes for electric furnaces
IPC: C25C3/12
Filed: 1926-08-03
Abstract: 258,560. Norske Aktieselskab for Elektrokemisk Industri. Sept. 19, 1925, [Convention date]. Couplings.-Current is supplied to a " selfbaking " furnace electrode having a casing 2 by detachable ribs comprising wedge-shaped plates 3, 4 of iron coated with ferro-chromium with terminal connections 5.