baber/WOPTO huggingface dataset:
Patent GB-596607-A (GB)
Title: Improvements in or relating to control systems for direct current motors
IPC: H02P7/34
Filed: 1945-06-11
Abstract: 596,607. Control of D.C. motors. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. June 11, 1945, No. 14789. Convention date, June 27, 1944. [Class 38(iii)] [Also in Group XXXV] A direct-current motor M is supplied with a variable voltage by a generator G, the excitation of which is at least in part supplied by a regulating generator RG which has a regulating field winding RCF on which an excitation voltage is impressed which is dependent on the difference between a voltage dependent on the said variable voltage and a comparison voltage. The generator G is provided with two like field windings GF1 and GF2 which function cumulatively, and which, together with resistors R3 and R4, are connected to form a normally-balanced bridge circuit the input terminals of which are connected to an exciter E through a speed control rheostat 3. The armature winding of the generator RG, a series field winding RSF, and a resistor R1 are connected across the output terminals of the bridge circuit. The resistor R1 is preferably adjusted so that the resistance-line of the regulating generator field excitation circuit is tangential to the initial portion of the no-load saturation characteristic of the regulating generator, so as to provide a sensitive reaction to control voltages. The field winding RCF is connected across resistors SR, VR, and CR. The resistor VR has applied thereacross a voltage substantially proportional to the motor terminal voltage, and the resistor CR has a voltage-drop proportional to the motor-load current. The difference of these voltages, which affords an indication of the motor speed, is compared with a reference voltage, which is indicative of the required motor speed, across the resistor SR, so that when the motor is operating in accordance with the setting of the speed control rheostat the resultant voltage across the field winding RCF is zero, and any deviation from this speed will effect energisation of the winding RCF in such a manner that the main generator excitation is varied to cause the motor speed to revert to the desired value. In a modification, (Fig. 2 not shown), the resistor SR is connected in series with another resistor directly across the input terminals of the bridge-circuit. This provides a more sensitive operation since the currents flowing in the resistor SR are not delayed by the inductive effects of the main generator field windings and are, in fact, at their maximum at switching-on, so affording forcing-action. In a further modification, the main generator has a single field winding which is connected directly to the regulating generator terminals. The field winding RSF is preferably connected as a shunt winding in this embodiment.
Patent GB-268187-A (GB)
Title: Bed combined with removable wall-bed for ship's cabins and the like
IPC: B63B29/10
Filed: 1926-06-11
Abstract: 268,187. Nizery, A. June 11, 1926. Folding bedsteads ; berths.-A bed 1 for a ship's cabin is used in connection with an additional wall bed 1<a> which may be supported above the other and has a frame 7 fitting within the main bed frame 2. The frames comprise angle bars; the horizontal flange of the main frame is disposed at the bottom, that of the fall bed at the top. End cross frames 3. 4 are fixed on the main bed and a lee rail 5 hinged at 6 to turn under the frame. End cross rails 8. 9 on the wall bed 7 fold thereunder, but the lee rail 10 thereon is fixed. The bed 7 is supported on the wall by hooks 13 thereon and folding struts 12 engaging wall staples.
Patent GB-1373123-A (GB)
Title: Hydraulic pumps
IPC: F04D1/12
Filed: 1971-08-24
Abstract: 1373123 Centrifugal pumps SENER TECNICA INDUSTRIAL Y NAVAL SA 24 Aug 1971 [11 Sept 1970 18 March 1971] 14875/74 Divided out of 1373121 Heading F1C In a hydraulic pump comprising a rotary housing 2, rotary feed means 16 for supplying liquid substantially tangentially into the housing, and at least one scoop member 7 directed in opposition to the direction of rotation of the housing to collect liquid therefrom, the housing is mounted coaxially on a central portion of drive shaft 19 of the feed means. Both the housing and shaft 19 may be driven by a motor via respective belts co-operating with pulleys 76, 75. An outer casing 60 is provided with a drain 61.
Patent GB-1455643-A (GB)
Title: Assembling devices for two hollow profiles
IPC: E04B2/74
Filed: 1974-04-03
Abstract: 1455643 Structural joints A FELIX 3 April 1974 [3 April 1973] 14893/74 Heading F2M Furniture elements 3, 4, e.g. for constructing shop windows, furnishings, shop and exposition stands, wall fittings, partition walls or separation screens, are assembled by inserting into guide channels 3<SP>1</SP>, 4<SP>1</SP> formed in hollow edge portions of the element blocks 1, 2 each of which has a threaded bore 5 for a screw 6, 6<SP>1</SP>, respectively, whose head is accessible through a slot 3<SP>11</SP>, 4<SP>11</SP> communicating with the interior of the respective guide channel 3<SP>1</SP>, 4<SP>1</SP> for tightening against an opposite wall of the channel to secure the respective block in a desired position, one of the blocks (the block 2, as shown) also having a rod 10 which projects out through the respective slot (4<SP>11</SP>) so that it can be passed through the other slot (3<SP>11</SP>) and into a bore 9 in the other block (1) where it is secured by tightening a screw 8 in a threaded bore 7 in the latter block. Preferably, the rod 11 has a conical recess 11 to receive a conical end of the screw 8, so that a secure joint is obtained with opposed faces of the elements 3, 4 in abutment. The blocks 1, 2 are, as shown, half segments of a length of octagonal section bar each of which is adapted to fit in either the triangular section channel 3<SP>1</SP> or the trapezoidal section channel 4<SP>1</SP>.
Patent GB-728067-A (GB)
Title: Improvements relating to thermionic cathode discharge tubes
Inventor: HALL DONALD LESLIE
IPC: H01J17/10
Filed: 1952-06-13
Abstract: 728,067. Thermionic valves; electrode materials. EDISON SWAN ELECTRIC CO., Ltd. May 22, 1953 [June 13, 1952], No. 14976/52. Class 39 (1). A thermionic discharge tube has an electrode system inside a glass or ceramic envelope filled with an inert gas including xenon and/or krypton, the system including an anode of which at least the working surface is of copper. The device shown is a rectifier, with cathode 3, grid 4, apertured screen 6, and anode 5. The grid is formed by a pair of arms, located laterally on either side of the electron path. The anode is mounted by clips 8 on an arm 9 secured to the lead-in wire 10. A shield 1 surrounds the whole. The anode may be of copper, or copperplated, and the surface may be initially coated with silver to prevent oxidation during manufacture, the silver being sputtered off later during operating conditions.
Patent GB-471001-A (GB)
Title: Pressure and vacuum forming paper making machine
IPC: D21F1/02
Filed: 1936-05-27
Abstract: 471,001. Fourdrinier paper - making machines. HARRIOTT, H. L. (Beloit Iron Works) May 27, 1936, No. 14996. [Class 96] Paper pulp flows upwardly through a breast box 20, Fig. 3, through a spout 54 at a lower level than the pulp surface in the box 20, and on to an area of the wire-cloth 10 confined by walls or slices 58, 93 adjustable in height and position, the drainage below such area being regulated so that, e.g. 50-90 per cent of the web formation occurs there. The breastbox 20, which may be pivoted or otherwise moved to facilitate wire-changing has side plates 110 adjusted vertically, to control the hydrostatic pressure on the wire 10, without altering gate-controlled openings 46 adjusted by hand wheels 50 &c. and without altering the drive of a metering wheel 51 coacting with a baffle 41. The upper plate 57 of the spout 54 is adjustable and secured to the vertical slice 58 which with an adjustable plate 76 forms a compartment receiving excess pulp, from the confined area of the wire-cloth 10, through an opening 80 and being drained through gate-controlled outlets 81. The lower plate of the spout 54 terminates in an apron 56 of flexible metal, rubber, or resin-impregnated fabric. The breast roll 11 may be cleaned by a doctor directing white water from it into a trough. In a modification, the upper lip of the spout 54 is pivoted at its rear edge to a vertically adjustable front wall of the breastbox 20. The wire 10 is supported by table rolls 168, Fig. 5, in bearing sleeves 165 welded, brazed, or soldered to slotted bars 161, water for lubrication being forced from a manifold 177 through openings 183 and if desired overflowing through openings in the sleeves 165, the hydrostatic pressure partly supporting the weight of the table rolls &c. The table rolls may be driven by belt, chain, or gears on one or both sides of the machine and may be oscillated longitudinally to avoid grooving. White water, and overflow from the bearing sleeves are drained into the suction box 14 compartments 155 of which have adjustable slides 157 in their partition walls 154, suction openings 178 from a common manifold 176 being individually controlled, the arrangement allowing different grades of white water to be kept separate. Beams 153 extending into the aisles at the side of the machine support the boxes when pedestal supports are removed for wire-changing.
Patent GB-793142-A (GB)
Title: Improvements in travel and like cases, and in weltings or edgings therefor
Inventor: PLENDERLEITH CYRIL HAROLD
IPC: A45C13/36
Filed: 1956-05-15
Abstract: 793,142. Trimmings. FOXCROFT LUGGAGE Ltd. [formerly FOXCROFTS (LITTLEBOROUGH), Ltd.]. March 15, 1957 [May 15, 1956], No. 15036/56. Class 141. [Also in Group XVII] A binding 1 for a travel case is of extruded plastic material and is formed with spaced ribs 6, 7 adjacent one edge. the inner rib 6 being the larger. Stitching 9 serves to secure the binding to the case and the two parts 2, 3 of the case together. Additional ornamental ribs 10, 11 may be provided. The strip may be flat, or performed to an L section.
Patent GB-836316-A (GB)
Title: Improvements in the fixing of balance weights to vehicle wheels
IPC: F16F15/32
Filed: 1958-05-12
Abstract: 836,316. Car wheel balance weight fixing. HOFMANN, D., [trading as MASCHINENFABRIK D. HOFMANN]. May 12, 1958 [June 1, 1957], No. 15095/58. Class 144 (1).  A means for attaching a balance weight to a car wheel rim consists of a spring 2 having a keyhole slot 3 adapted for interlocking engagement with the neck of a mushroom stud 1 secured in the wheel rim, the spring extending outwardly from the slot and radially inwardly to embrace and interlock with the weight 5 which has a recess to receive the spring and a depression in the shape of the mushroom head to secure it to the rim. The weight is attached by first securing the spring to the stud and then inserting the weight between the two portions of the spring. The spring is provided with a hole 4 and the weight with a cavity 9 to allow insertion of an auxiliary tool.
Patent GB-1138754-A (GB)
Title: 6-oxo-diazepine derivatives
Inventor: OTT HANS
IPC: C07D217/14
Filed: 1966-04-05
Abstract: 1,138,754. 6-Oxo-diazepine derivatives. SANDOZ Ltd. 5 April, 1966 [12 April, 1965], No. 15113/66. Heading C2C. Novel compounds of formula and their acid addition salts, are prepared by oxidation in manner known per se of compounds of formula wherein R is H or C 1-4  alkyl, followed by optional salt formation. A multi-step synthesis of the starting compounds is given, and is exemplified by the following:- (A) N - (# - Phenethyl) - 2 - methylamino - 5 - chloro-benzamide is prepared by reaction of 5-chloro-N-methyl-isatoic anhydride and #- phenethylamine; its amino group is protected with a p-toluenesulphonyl group and it is subjected to ring-closure with P 2 O 5  giving 1-(2- methylamino - 5 - chloro - phenyl) - 3,4 - dihydroisoquinoline, which is in turn reduced to the 1,2,3,4-tetrahydro derivative*. Subsequent treatment with ethylbromoacetate yields 1-(2- methylamino - 5 - chloro - phenyl) - 2 - carboxymethyl - 1,2,3,4 - tetrahydro - isoquinoline which is heated to effect ring-closure, giving 2-chloro- 5 - methyl - 5,6,7,9,10,14b - hexahydro - isoquinolo- [2,1-d]benzo[1,4]diazepin - 6 - one#. The compound * is a racemate, and may be resolved using d-( + ) and l-( - ) tartaric acids before subjection to the further reactions given. (B) N - (# - Phenethyl) - 2 - nitro - 5 - chlorobenzamide is prepared by reaction of 2-nitro-5- chloro-benzoyl chloride and #-phenethylamine, and is subjected to ring-closure with P 2 O 5  giving 1 - (2 - nitro - 5 - chloro - phenyl) - 3,4 - dihydroisoquinoline, which is in turn reduced to the corresponding 1,2,3,4 - tetrahydro derivative. This product is converted to 1-(2-amino-5- chloro - phenyl) - 2 - carboxymethyl - 1,2,3,4 - tetrahydro isoquinoline with ethylbromoacetate, and this in turn is heated to give the compound # above. Pharmaceutical compositions having sedative, anticonvulsant, amphetamine antagonistic or potentiation of barbiturate narcosis activity comprise a compound of the first formula given above, together with a physiologically acceptable carrier. The composition is suitably a tablet, dragÚe, syrup or injectable solution. Doses of 100-350 mg. of active agent per day are specified. A specific composition comprises the 8-N-oxide of compound # above, together with tragacanth, lactose, starch, talcum, magnesium stearate, denatured alcohol and water.
Patent GB-102932-A (GB)
Title: Improvements in Folding Iron Bedsteads with Means for Elevating the Mattress.
IPC: A47C19/04
Filed: 1916-10-24
Abstract: 102,932. Fatio, fils, et Cie, J. Dec. 24, 1915, [Convention date]. Folding bedsteads.-A folding bedstead such as is described in Specification 10736/15, in which side bars are detachably connected to uprights, is made capable of adjustment in height by connecting the side bars 7 to the upright by links 10, and providing the uprights with lower and upper slots 8, 9 to engage the ends 4 of the side bars.
Patent GB-353579-A (GB)
Title: A method of printing and developing combined sound and picture films applicable to lenticular films
IPC: G03B31/00
Filed: 1930-05-16
Abstract: 353,579. Kinematograph colour films. RICHARD, A. A. P., 97, Rue Lemercier, Paris. May 16, 1930, No. 15147. Convention date, April 3. [Class 98 (ii).] In the production of combined sound and picture films, and more especially films such as lenticular colour-record films in which the picture-images are produced by reversal from negative images, the picture-images are printed from a positive master film, developed, and reversed to obtain positive images of silver halide before the sound record is printed from a negative master record ; and the subsequent second exposure to light of the pictureimages is regulated so that the reversed pictureimages and the sound record will develop to the desired density in the same time. The film is finally developed and fixed. The sound record portion of the film is masked during the printing of the picture-images and also during their second exposure to light. The reversing bath may be the usual acid permanganate or bichromate bath, which is cleared from the film, afterreversal, by a bisulphite or sulphite bath.
Patent GB-1091378-A (GB)
Title: Improved dryer
IPC: F26B25/00
Filed: 1966-04-06
Abstract: 1,091,378. Drying apparatus. PROCTOR & SCHWARTZ Inc. April 6, 1966 [April 8, 1965], No. 15235/66. Heading F4G. In apparatus for drying loose, fibrous, granular or like material by passage of heated air therethrough as it passes through a chamber on an endless foraminous conveyer 22 (as shown), or between a pair of foraminous endless belts, Figs. 9, 10 (not shown), or on one or more foraminous drums, Figs. 12, 13 (not shown), a seal is mounted along each edge of the conveying means to prevent escape of material therealong. Each seal comprises a vertical inner guard 44 secured to the chamber wall 20 by a perforated inclined sheet 48, an outer guard 50 spacedly mounted from the guard 44 including an inclined portion 52 parallel to sheet 48 and a vertical portion 54, and a flat sealing plate 62 secured along the edge of the conveyer against which abuts a flexible seal strip 58 depending from an inclined lower edge 56 of the guard 50. In operation drying air passes through nozzles 64 above the conveyer or through a perforated pressure equalizing plate (not shown) and a portion is diverted through the sheet 48 into the channel 65 formed between the guards 44, 50 and thence onwardly through the slot formed between the lower end 46 of guard 44 and the conveyer to clear material from the edge 46.
Patent GB-799152-A (GB)
Title: Improvements relating to ladders
Inventor: HALSEY HERBERT
IPC: B63B27/14
Filed: 1956-05-16
Abstract: 799,152. Ladders. AERO CONTROLS, Ltd. March 27, 1857 [May 16, 1956; Aug. 1, 1956], Nos. 15242/56 and 23735/56. Class 20(2) A ladder for use with a ship alongside a quay or platforms for securing aircraft, coinprises two or more relatively slidable parts 1, 2, 3 having sliding rungs 5, connected by flexible, jointed or slotted links 6, which as the ladder is collapsed close down on one another beginning with the lowest rung. In Fig: 1; the ladder sides are telescoping tubes 1, 2, 3 and the rungs 4 on the top, outermost tube 1 are fixed. In the modification of Fig. 4, the rungs 5b slide on a single central telescoping oval section rung support 1a and only the top rung or all those on the top, outermost section of the support are fixed.
Patent GB-357560-A (GB)
Title: Improvements in and relating to folding machines
IPC: B65H29/58
Filed: 1930-05-19
Abstract: 357,560. Folding-machines. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.- (Wood Newspaper Machinery Corporation: 501, 5th Avenue, New York, U.S.A.) May 19, 1930, No. 15296. [Class 100 (i).] In a machine for delivering folded products manually operated means are provided for intercepting and diverting such products and other means are used for preventing the interception of more than a predetermined number of products for one operation of the control. The guide rolls 2 from a folding-machine normally feed the folded papers into rotary fan buckets 3, the usual inlet guide 4 being provided. A further guide member 5 having a collecting tray 9 is carried by a horizontal' shaft and is adapted to be moved by the handle 10 for intercepting a not wanted product. The handle 10 is pivoted on a shaft 7a which has a collar fixed thereto with a projecting arm 24 adapted to engage a nut on the end of a latch 11, the movement of the operating handle 10 in a downward direction being adapted to withdraw the spring latch so that a lock 12 is then held only by a second latch 15. The latch 15 is operated periodically by cam projections 17 on the main shaft so that the latch is withdrawn and the lever 13 then rocks the shaft and brings the intercepting guide member 5 into position in correct timed relationship. The shaft 14 is returned periodically by projections on the face of the main cam so that the guide 5 is restored to its non-operative position. The actual return is effected by means of the spring which rests against an arm having a yoke action with the shaft 14. In addition there is described a means for rectifying the count.
Patent GB-621213-A (GB)
Title: Improvements in and relating to liquid metering devices
IPC: G01F11/10
Filed: 1946-05-21
Abstract: 621,213. Automatic - feed weighers. MACNEISH, T. S. May 21, 1946, No. 15320. [Class 143] [Also in Groups XIII, XXVIII and XXIX] Apparatus for periodically delivering measured quantities of liquid from a vessel and in particular for metering liquids and registering or recording quantity or rate of flow of liquids comprises a vessel supported by a supply pipe which is flexed by the load of the vessel and its contents, together with means for interrupting the supply and discharging the contents of the vessel when the displacement of the latter has reached a predetermined limit. As shewn in Fig. 1, a measuring vessel 1 is supported in cantilever fashion by a supply pipe 2 and by a pipe 3 through which gas under pressure may be supplied to the vessel for expelling its contents. Attached to the vessel 1 is an arm 7 connected through links 8, 15, to a pilot valve 16 which controls, through pipe 18, the operation of diaphragm valves 19 and 25 provided respectively in pipes 2 and 3. Fluid from a supply pipe 24 passes through valve 19 and pipe 2 to the vessel 1, pipes 2 and 3 flexing as the quantity in the vessel increases: when the contents of the vessel have reached a predetermined amount the arm 7 operates the pilot valve 16. As shewn in Fig. 6 the pilot valve has an inlet 36 for a supply of gas under pressure and an outlet 37 for connection to the diaphragm valves 19, 25. Operation of the pilot valve 16 connects the gas pressure supply via pipe 18 to the diaphragm valves and causes them to operate: valve 19 disconnects pipe 2 from the supply pipe 24 and connects it to a discharge pipe 24a: valve 25 disconnects pipe 3 from an outlet to atmosphere (not shewn) and connects it to a source of gas under pressure via pipe 27. The contents of the vessel 1 are thus expelled by pressure and when the vessel has restored to its normal position the pilot valve 16 operates to restore valves 19 and 25 and the cycle of operations recommences. Appropriate registering means may be provided to count the number of times the vessel has been filled.
Patent GB-1132166-A (GB)
Title: Extruded ribbons
Inventor: BAXTER SAMUEL
IPC: B29C55/06
Filed: 1964-10-28
Abstract: 1,132,166. A drawn extruded foamed ribbon. MONSANTO CHEMICALS Ltd. 16 Sept., 1965 [28 Oct., 1964; 1 Dec., 1964], Nos. 15430/67 and 15431/67. Divided out of 1,131,282. Headings C3C, C3P and C3R. [Also in Division D1] A weavable ribbon or tape of width up to ¢ inch, or a sheet capable of subdivision into several such tapes, is produced by drawing a strand of circular, rectangular, square or elongate cross-section and of extruded, foamed, thermoplastic material so that it becomes orientated essentially in the direction of extrusion and thereby gains strength in such direction. The materials, foaming agents and processes are described in the parent Specification and in Specification 1,114,152. In examples (1) a foamable polyethylene composition containing butane as blowing agent and finely-divided SiO 2  as nucleating agent is extruded to form a strand of foamed polyethylene which is then drawn in its longitudinal direction; (2) as (1) using a mixture of polypropylene and butane; (3) as (1) using a mixture of nylon copolymer (derived from caprolactam, hexamethylene adipamide and hexamethylene sebacamide), acetone and SiO 2 . Polystyrene, polyethylene terephthalate or polycaprolactam may also be used as the thermoplastic material.