baber/WOPTO huggingface dataset:
Patent GB-1181852-A (GB)
Title: Rotary Surfacing Machines, such as Cement Trowelling Machines
IPC: E04F21/24
Filed: 1967-06-02
Abstract: 1,181,852. Trowelling machines. HAMILTON FLOAT & TROWEL Ltd. 2 June, 1967 [3 June, 1966], No. 25642/67. Heading E1G. In a rotary trowelling machine comprising three or more horizontal blades 41 tiltable about radial axes at the lower end of a vertical motor-driven shaft 13, each blade 41 is detachably mounted on a shaft 37 whose inner end engages a plain bearing 36 in a hub 33 and whose outer end is supported by a saddle bearing 44 on an overlying arm of a spider 42. In order to provide a remote control for the tilt of the blades, each shaft 37 has an offset arm 46 carrying a screw 47 whose head engages a cam plate 48 which is axially adjusted through a thrust bearing 50 and linkwork 52-58. The shaft 13 is driven through worm gearing in a gearbox 10 carrying the motor 12, the upper bearing for the worm wheel being carried by an axially-adjustable circular plate 24. As shown, the plate 24 is screw threaded and locked in adjusted position by a clamp bolt 29 and slit 28. The machine has a fixed or rotatable guard ring 66. Specification No. 1,156,505 is referred to.
Patent GB-1415740-A (GB)
Title: Control arrangement for a washing machine
IPC: D06F37/30
Filed: 1973-05-30
Abstract: 1415740 Washing machines DANFOSS AS 30 May 1973 [30 May 1972] 25655/73 Heading D1A in a washing machine with an asynchronous motor 1 driving a drum 5 through an electrically controlled epicycle or other change-speed gear unit 3, when the machine is set to a spin drying condition (by closing a switch 13) the driving motor is first energised to rotate the drum 5 at a washing speed and then after a delay the change speed gear is actuated to change the ratio to the spin drying one. The delay means 8 has a switch 9 which may be closed by a time delay element or a centrifugal motor speed responsive element or as in Fig. 2 by a bi-metallic strip 19 with a heating winding 20 in a supply lead to the driving motor. The electromagnet 6 for actuating the change speed unit in Fig. 2 is fed through a fixed resistor 22 and a Positive Temperature Coefficient resistor 21 in parallel to provide a greater operating than holding current. The washing operation switch 12 and the switch 13 are preferably actuated by an automatic programmer. For Figures see next page
Patent GB-1320081-A (GB)
Title: Pane of safety-glass and cabin furnished therewith
IPC: B32B17/10
Filed: 1971-04-19
Abstract: 1320081 Laminated safety glass KONINKLIJKE NEDERLANDSCHE HOOGOVENS EN STAALFABRIEKEN NV 19 April 1971 [1 April 1970] 25729/71 Heading B5N A pane of safety glass has the following layers in consecutive sequence: a first glass layer, a first plastics material layer, a second glass layer, a second plastics material layer and a third glass layer, the third glass layer being not substantially thicker than either of the first and second glass layers, the first plastics material layer having a thickness which is less than 13% of the thickness of the first glass layer, and the second plastics material layer being about 5 to 11 times thicker than the first plastics material layer. In use, the first glass layer should be on the more exposed side and may be provided with a metal coating, e.g. of gold or silver. The glass layers are preferably formed of plate glass and the plastics material is preferably a polyvinyl acetal, e.g. polyvinyl butyral.
Patent GB-296207-A (GB)
Title: Improvements in electro-magnetic sound reproducing and recording devices
IPC: H04R11/08
Filed: 1927-09-29
Abstract: 296,207. Moulton, C. Berrage-. Sept. 29, 1927. Electromagnetic recording and reproducing devices.-An electromagnetic sound recording or reproducing device, applicable also as a loudspeaker unit, is constructed with an electromagnet associated with a reed of extended length supported at each end by rubber or other resilient buffers so that its natural pitch is beyond the audible range, the reed being composed wholly or in part of a strip of magnetic material and preferably disposed parallel to the plane of the magnet whose coil-carrying polepieces extend at right-angles thereform to a position adjacent the reed. The strip reed c is clamped at its upper end between resilient washers e by bolts d screwing into the magnet a and projecting beyond to carry a bracket j by which the device is supported on a tone-arm or a guide to traverse the record. The reed extends parallel to the magnet and adjacent to the two pole-pieces b<1> projecting forwardly thereform and carrying the coils b<2>, and is resiliently clamped at its lower end between buffers i by screws h extending through the reed into an aluminium bracket g secured to the magnet. A stylus holder c<2> is secured to the lower end of the reed. For use as a loud-speaker the reed is connected by a rod to a diaphragm.
Patent GB-1190737-A (GB)
Title: Improvements in or relating to Gas Meters
Inventor: WEST BRIAN WALTER
IPC: G01F15/18
Filed: 1966-06-09
Abstract: 1,190,737. Measuring fluid-flow. PARKINSON COWAN Ltd. Sept. 11, 1967 [June 9, 1966], No. 25769/66. Heading G1R. In a known type of dry gas meter in which a slide valve cover 4 is reciprocated over a valve plate 2, to place different parts into communication with each other and with a gas space to one side of the cover 4 at least one side of those portions 14a, 14 of the plate 2 exposed during movement of the cover 4 and the co-acting surfaces of cover 4 that define part of the sealing boundaries extending in the direction of movement of cover 4 are laterally obliquely inclined relative to each other.
Patent GB-1275177-A (GB)
Title: Heat-resistant polymers and process for producing the same
Inventor: BRACKE WILLIAM
IPC: C08G61/02
Filed: 1970-05-28
Abstract: 1275177 Polymers containing isoxazole groups LABOFINA SA 6 Oct 1970 [28 May 1970] 25802/70 Heading C3R A novel polymer contains isoxazole groups, methylene groups and phenylene groups in linear chains. It may contain units of formula and units of formula where Ar is a phenylene group with valencies in the meta or para positions, the units being randomly distributed. The polymer is obtained by reacting a polydiethynylbenzene of formula where n is an integer, with hydroxylamine which may be generated in situ from hydroxylamine chlorohydrate and a base. An example is given. Uses.-Heat resistant articles, fibres and films.
Patent GB-804109-A (GB)
Title: Improvements in and relating to bed rests
IPC: A47C20/02
Filed: 1953-09-18
Abstract: 804,109. Bed rests. COOKE, R. April 21, 1955 [Sept. 18, 1953], No. 25875/53. Class 52(2) A bed rest has an angularly adjustable back 1 to which are pivoted arm-rests 2, 3 a cushion or cushions 4, 5 being arranged for slidable adjustment on the back 1 by means of rollers 6, 7 on which webs 10, 12 attached to the cushions can be wound. Specification 480,616 is referred to.
Patent GB-862588-A (GB)
Title: Diglycidyl terephthalate
IPC: C07D303/16
Filed: 1957-08-16
Abstract: Diglycidyl terephthalate is prepared by epoxidising diallyl terephthalate with peracetic acid.  In an example diallyl terephthalate is prepared by reacting allyl alcohol with dimethyl terephthalate in the presence of sodium allyloxide, and is mixed with a cation-exchange resin and glacial acetic acid.  Hydrogen peroxide is added followed by heating, the resin is removed by filtration and the filtrate is passed into aqueous sodium chloride and the product is washed with aqueous sodium chloride and sodium bicarbonate solutions and water to give diglycidyl terephthalate.
Patent GB-639987-A (GB)
Title: Improvements in or relating to fuel-control-valves for gas turbines
Inventor: JOHNSON FRANCIS MURRAY
IPC: F02C9/32
Filed: 1946-08-29
Abstract: 639,987. Valves. ROLLS-ROYCE, Ltd. Aug. 29, 1946, No. 26032. [Class 135] To maintain normal the fuel/air ratio of a gas-turbine on rapid opening of the throttle to secure a sudden increase in speed, the throttle lever is connected to the fuel control valve through a resilient coupling and a damping device loaded thereby. As applied to an aircraft turbine, a valve 10, Fig. 1, controlling the fuel supply from a pressure line 11 through a delivery line 12, is adjusted through a rack 13 by a pinion 14 mounted on a shaft 15 carrying a pinion 16 engaging a rack 17 on the stem 18 of a damping piston 19. A flange 34 on the shaft 15 is :connected by a resilient coupling constituted by a torsion spring 29 to a flange 33 on the shaft carrying the throttle lever 28 and formed with a recess whose ends 34a, 34b coact with a peg 33a on the flange 33. To operate the piston 19 fuel from the line 11 passes through a restriction 21 and past a non-return valve 22 to the space 23 above the piston, its pressure being maintained constant at a low value convenient for supplying the torchignitors through a line 35 by a relief valve 32. The space 23 is connected to the space 24 below the piston by a conduit 25 controlled by a throttle valve 26 operatively connected to a barometric bellows 27 to allow for altitude changes, and by ducts 31 controlled by a spring-loaded valve 30. To take account of aircraft speed changes, the bellows may be subjected externally to the pressure in the air intake instead of the ambient atmosphere. In operation, a rapid movement of the lever 28 from its fully closed position, in which the peg 33a engages the end 34b of the recess, up to and including an angular movement of 65 degrees (the extent of the recess), loads the spring 29, which slowly rotates the shaft- 15, together with the pinions 16, 14, to urge the piston 19 downwards and the valve 10 to open, until the peg 33a again engages the end 34b of the recess. The rate of rotation of the shaft 15, and hence the speed of opening of the valve 10, being dependent upon the rate of flow through the throttle 26. In the event of the lever 28 being moved'rapidly beyond the 65 degrees and up to 80 degrees angular movement (its maximum position corresponding to full opening of the valve), the peg 33a will engage the end 34a of the gap and positively open the valve 10 a corresponding amount. Normally, however, the valve 10 will be partially open an amount. corresponding to more than 15 degrees movement of the lever 28, and hence no sudden or positive opening of the valve 10 can take place. Rapid and positive closure of the valve 10 is ensured on the movement of the lever 28 in the closing direction by the immediate engagement of the peg 33a with the end 34b of the recess, and the opening of the valve 30 to permit the rapid transfer of fuel from the space 23 to the space 24.
Patent GB-172720-A (GB)
Title: Improvements relating to furnace fronts
IPC: F23M7/00
Filed: 1920-09-10
Abstract: 172,720. Reid, J. Sept. 10, 1920. Farnace fronts; linings.-The inner wall of a furnace front is protected on each side of the fuel opening by readily renewable plates or strips d, Figs. 1 and 3, provided with lugs d<1> engaging with a rib c<1> on a shelf c bolted to the furnace front. The plates d are retained in position by an extension e<1> of the removable fuel passage e. In the modification shown in Fig. 5, the innermost plate d is formed integrally with the shelf d<x> bolted to the furnace front and is fitted with a bolt g on which are threaded the other plates d. The destructive action of heat upon the plates may be retarded by refractory material placed between them in the form of slabs shaped to fit the spaces before insertion or inserted in a soft condition.
Patent GB-1223784-A (GB)
Title: System for transmitting information in a one-way telegraph connection
Inventor: SILVA HERMAN DA
IPC: H04L17/02
Filed: 1969-05-22
Abstract: 1,223,784. Telegraphy. NETHERLANDS POSTAL & TELECOMMUNICATION SERVICE, DIRECTOR GENERAL OF. 22 May, 1969 [6 June, 1968], No. 26134/69. Heading H4P. In a telegraph system in which the characters of a message are sent twice, each character of the original message being separated from the next by a character of the repeat message, periodically a service signal is transmitted immediately prior to the transmission of the next character of the original message. The service signal may be sent at the beginning of each line of characters. As described 5-bit signals from a reader TR passes via store A-E to unit CC which converts the signals to 7-bit constant ratio form. Unit CC feeds shift register IA-IG from which the 7-bit signals are read serially to output unit Z under control of clock pulses P1. The output of register IA-IG is fed back to input stage IG. Immediately following transmission from IAIG a signal stored in register IIIA-IIIG is transmitted via unit Z under control of pulses P2. In general this signal is the same as that transmitted 4 signals earlier. Between transmission of IIIA-IIIG and the next transmission from IA-IG the signal in IA-IG is passed to IIA-IIG and that in IIA-IIG to IIIA-IIIG. A new character is read in to IA-IG. These transfers are controlled by pulse P4. Register IA-IG is now read out again by pulses P1. When gate 50 detects a Line Feed signal in store A-E during P2 pulses, tape feed is stopped and the contents of IA-IG are replaced by a special character I (= 0110011) fed in via diodes D1-D7 at a time P5 immediately follow ing pulse P4, and at the next pulse P4 the contents (I) of IIA-IIG are replaced by the idle signal α. When 4 signals I have been transmitted tape feed is restarted. The last two I signals of the four are both followed by signal α. The combination Iα constitutes the sync. signal. If the tape reader is stopped by opening switch S signals I and α are transmitted as described above, but are repeated indefinitely.
Patent GB-1476781-A (GB)
Title: Apparatus for applying a force in a surgical traction assembly
IPC: A61F5/042
Filed: 1974-06-12
Abstract: 1476781 Apparatus for applying a force in a traction assembly O WALLANDER 12 June 1974 [13 June 1973] 26152/74 Heading A5R [Also in Division B8] An apparatus for applying a constant adjustable force, particularly suitable for use in a surgical traction assembly, comprises a cylinder 6 partitioned into chambers 2 and 5 by a piston 1, the chamber 2 being sealed by a flexible membrane 4 connected with the piston, and provided with a vacuum gauge 17 and a sealable port 16 for its evacuation and the chamber 5 being open to the atmosphere the force generated by the evacuation of chamber 2 being transmitted by a piston rod 3 to a pivoted lever 10 and thence by a piano wire 12 passing over pulleys 14, 15, the position of the connection 9 between the rod 3 and the lever being adjustable to vary the force transmitted to the wire. The cylinder 6 and the lever 10 are pivotably connected to a frame 8 and the pulley 14 is movable along a line AB so that the wire between the lever and this pulley may be made parallel to the piston rod 3 whatever the position of the connection 9. In a modification, the lever 10 extends through the frame 8 and the piston may be situated above the lever on the opposite side of the frame.
Patent GB-605339-A (GB)
Title: Process and apparatus for the decomposition of alkali amalgams
IPC: C25B1/42
Filed: 1945-10-08
Abstract: In the decomposition of alkali amalgams by water or an aqueous solution of an <PICT:0605339/III/1> <PICT:0605339/III/2> alkali hydroxide, the amalgam is flowed in a thin layer on a conducting and amalgamable surface in channels between elements of a catalyst which are upstanding from and in intimate and extended contact with the surface.  A series of iron, copper, steel or other amalgamable metal troughs may be used comprising, as shown in Figs. 1 and 2, a rectangular flat plate a having the edges b slightly raised and the edge c bent downwardly.  The catalyst in the form of a grid d is secured to the plate by means of bolts or screws e.  A battery of such elements immersed in a tank of aqueous alkali hydroxide may be arranged so that the amalgam circulates in series, in parallel or in series-parallel, thereby reducing the bulkiness of the electrolytic cells. Specification 543,539 is referred to.
Patent GB-265545-A (GB)
Title: Improvements in a process of preparing nitro-amino-benzoyl-o-benzoic acid and its derivatives
Filed: 1926-10-20
Abstract: 265,545. Newport Co., (Assignees of Adams, R., Davidson, J. M., and Gubelmann, I.). Feb. 8, 1926, [Convention date]. Samples furnished. 4-Amino-3-nitrobenzoyl-o-benzoic acid and its derivatives in which the hydrogen of the amino group is replaced by an alkyl, aryl or substituted alkyl or aryl group, is prepared by heating 4- chloro-3-nitrobenzoyl-o-benzoic acid with ammonia or a primary or secondary amine. A suitable catalyst such as copper or its salts may be used. In an example, 4-amino-3-nitro-benzoylo-benzoic acid is prepared by warming 4-chloro- 3-nitrobenzoyl-o-benzoic acid with ammonia.
Patent GB-159489-A (GB)
Title: Improvements in and relating to the construction of heat exchangers for use with fluids
IPC: F28D7/00
Filed: 1920-09-13
Abstract: 159,489. Soc. Franco-Belge de Fours a Coke. Feb. 23, 1920, [Convention date]. Plate apparatus.-Juxtaposed chambers of rectangular section for heat exchange are connected alternately by external conduits, one set G at the top and bottom by connections M and E, the latter being of dropped form, and the other set H by lateral U-pipes N, a longitudinal dividing partition extending nearly to the bottom of the chambers H to cause the fluid to make a double passage in eacr. The apparatus is particularly adapted for use in connection with gas-prcducer plant.
Patent GB-1301763-A (GB)
IPC: G05D23/13
Filed: 1971-04-19
Abstract: 1301763 Valves DAIMLER-BENZ AG 19 April 1971 [14 April 1970] 26352/71 Heading F2V Thermostatic valve e.g. for the cooling water circuit between the engine and radiator of a motor vehicle, includes a first valve member 11 controlling flow e.g. between inlet 3 from the engine and outlet 1 to the radiator, and a second valve member 16 controlling flow e.g. between inlet 3 and an outlet 2 to then cooling water pump, this short circuiting the radiator. The first valve member at least cooperates with a sharp knife-edged seat 18. This seat is made in a high-strength non- oxidizing material such as nickel-chrome steel. The seat material may be deposited on a support plate 7. A band of similar material (22), Fig. 2 (not shown), may be deposited on the valve member (11) where it engages the seat.
Patent GB-603308-A (GB)
Title: Improvements in or relating to yarn or thread tensioning devices
IPC: B65H59/18
Filed: 1945-10-10
Abstract: 603,308. Yarn tensioning. MELLOR, BROMLEY, & CO., Ltd., and SHORTLAND, A. Oct. 10, 1945, No. 26425. [Class 120(ii)] [Also in Group VIII] A fancy yarn t is tensioned by being wrapped around a conical roller 1 on an extension of the spindle of one of a pair of wheels 5, 6, feeding a ground yarn y, the peripheral speed of the large end of the roller being less than the lineal speed of the yarn t and the degree of tension imposed being determined by carrying the yarn round a chosen groove or grooves on a rotatable guide 7, so determining the point along the cone at which the yarn shall be wrapped. The yarn t passes through the notched end of the pivoted dropper 12 of a stop motion actuated by breakage or excessive tension of the yarn; and through the eye of a yieldable take-up member 10.
Patent GB-842714-A (GB)
Title: Process for the manufacture of insoluble ion-exchange synthetic resins
Inventor: WOLF FRIEDRICH
IPC: B01J39/18
Filed: 1956-08-29
Abstract: Ion exchange or absorbent synthetic resins are made by reacting a mono or polyvalent phenol which may be substituted, with acrylic acid or acrylonitrile and with a cross-linking agent.  Specified cross-linking agents are formaldehyde, substances yielding formaldehyde and epichlorohydrin.  Specified phenols are phenol, sodium phenol sulphonate, HO-C6H4-CH2-SO3-Na or HO-C6H4-COONa.  The reactants may all be condensed simultaneously, the phenol may be precondensed with a quantity of the cross-linking agent insufficient to bring about complete cross-linking, the product being reacted with the acrylic acid or acrylonitrile and then with further cross-linking agent, the phenol may be condensed with sufficient of the cross-linking agent to bring about formation of a resin gel which is condensed with acrylic acid or acrylonitrile.  The Examples describe the preparation of resins from :-(1) and (4) sodium cresylo -sulphonate, acrylonitrile, phenol and formaldehyde, (3) sodium phenol sulphonate, formaldehyde, acrylonitrile and phenol, (5) a sulphonated phenol-formaldehyde resin and acrylonitrile or acrylic acid and (6) 3:5-dihydroxybenzoic acid, resorcinol, phenol, formaldehyde and acrylic acid or acrylonitrile.  Example (2) describes the after treatment of the resins of Example 1 with methanolic potassium hydroxide or with hydrochloric acid.
Patent GB-426060-A (GB)
Title: Propelling pencil
IPC: B43K21/22
Filed: 1933-09-27
Abstract: 426,060. Pencil holders. LEISTENSCHNEIDER, A., 5, L³tzowstrasse, Dusseldorf, Germany. Sept. 27, 1933, No. 26634. Addition to 406,451. [Class 146 (iii)] The propelling - pencil described in the parent Specification is modified by forming the clamping- ring 5 with a tubular extension 5<a> directed towards the cap and adapted to abut at its upper end against a stop for the clamping - ring, and also with a tubular extension 5<b> of reduced diameter directed towards the point, the clamping-surface 5<c> on this extension being thereby disposed within and close to the end of the pencil point. The upper end of the extension 5<a> is provided with a collar 7 against which bears a spring 6 for returning the clamping-ring after this has released the lead-clamping members 1. The members 1 are formed with an offset 3 directed towards the cap so that a rapid and complete release of the lead is ensured, and are conical at their front ends 2 ; the inside surface 14 at the point end is conical, and the clamping- surfaces 20 are connected to the widened part 21 by a conical surface 22. The step 11 on the clamping-ring co-operates with a step 12 in the point section to limit the forward movement of the ring, and the collar 7 engages a split member 8 fixed in the casing to limit the backward movement. The member 8 also engages a stop 16 to limit the backward movement of the lead-carrying tube 9 when the clamping-members 1 are empty, while the forward movement of the tube is limited by a stop 19 thereon engaging the surface 18. The clamping-members 1, 5 and other parts of the pencil may be of soft metal or alloy, such as copper, aluminium, brass, or German silver, and having a covering of a hard metal, such as nickel, chromium, tungsten, iridium, platinum, palladium, or molybdenum.
Patent GB-696800-A (GB)
Title: Beading fastener
IPC: F16B5/12
Filed: 1951-11-14
Abstract: 696,800. Fastenings. FERNTOL PATENTS, Ltd., and FERNBERG, E. B. Nov. 14, 1951, No. 26673/51. Class 44. A fastener for securing a C section metal moulding strip 31, Fig. 8, to a resilient rib 29 comprises a piece of sheet metal bent to U-form, both limbs 21 being bowed outwardly to provide shoulders 25 and carrying prongs 28 to pierce the rib. Outturned flanges 26 on the limbs locate the fastener on the rib and the moulding strip on the fastener. The fastener is formed as shown in Fig. 6 with one of the limbs divergent, the web 20 being reduced on this side to allow it to be bent into place on the rib by means of a tool.