baber/WOPTO huggingface dataset:
Patent GB-1362383-A (GB)
Title: 3beta-hydroxy-5alpha-cardenolides and -nugsfirnolifrd snf ptovrdd
Inventor: STACHE U
IPC: C07D/
Filed: 1971-07-07
Abstract: 1362383 Cardenolides; bufadienolides FARBWERKE HOECHST AG 7 July 1971 [7 July 1970] 31974/71 Heading C2U [Also in Division A5] The invention comprises (A) the compounds 3#,14 - dihydroxy - 5α,14# - bufa - 20,22 - dienolide (Ia); 3#-hydroxy-5α,14α-card-20(22)- enolide; 3# - hydroxy - 5α - bufa - 14,20,22- trienolide; and 3#-hydroxy-5α,14α-bufa-20,22- dienolide; and (B) a process for preparing compounds of formula (wherein R 1  is the lactone ring of a 20(22)- cardenolide or 20,22-bufadienolide; R 2  is CH 3 , CH 2 OH or CH 2 OCOCH 3 ; R 3  is H, OH or acyloxy; R 4  is H; or R 3  + R 4  is epoxy or an extra C-C bond; and R 5  and R 6  are each H, OH or acyloxy) which comprises reducing the corresponding 3-oxo-#<SP>4</SP> compounds (wherein R 2  is alternatively CHO and R 5  and R 6  are each alternatively oxo) with a reducing agent which is more powerful than NaBH 4 , in the presence of an organic nitrogen base at - 30‹ to + 60‹ C. Any oxo groups at positions 11, 12 and 19 are reduced concomitantly. Specified reducing agents are the borohydrides of Li, Mg, Ca, Sr, Ba, Zn and Al, the trimethoxy borohydrides of Na and Li, the aluminium hydrides of Na, Li and Mg, aluminium hydride, lithium trimethoxy aluminium hydride, diborane, pyridine-borane, ethane-1,2- diamine-borane and (3-methyl-2-butyl)borane. Compound Ia supra is alternatively prepared from 3# - hydroxy - 5α - bufa - 14,20,22 - trienolide (III) by the sequence : III # III 3- formate # 15α-bromo-(Ia)-3-formate # Ia 3-formate -# Ia. 3 - Oxo - 14α - bufa - 4,20,22 - trienolide is prepared from the corresponding #<SP>5</SP>-3#-ol by Oppenauer oxidation. Compounds I are said to be cardiotonic, and may be made up with carriers into pharmaceutical compositions for oral and parenteral administration.
Patent GB-1026190-A (GB)
Title: Improvements in or relating to wall or partition structures
IPC: E04B1/343
Filed: 1964-08-06
Abstract: 1,026,190. Stud and slab walls. PENN METAL CO. Inc. Aug. 6, 1964 [Aug. 30, 1963], No. 31998/64. Heading E1y. Tear strips 15 (Fig. 2), or cords or wires 17<SP>1</SP> (Fig. 4), are fixed to elongate metal clips 10 or 10<SP>1</SP> retaining flat slabs 9 against longitudinally slotted metal studs 1, with their lower ends exposed behind the moulding strips (e.g. 16<SP>1</SP>, Fig. 4), to facilitate the removal of the slab The studs and clips may be of electro-galvanized steel or aluminium, the tear strips 15 of paper cloth or plastic building tapes, and the cords 17<SP>1</SP> of fabric or plastics material formed into flexible cylindrical cords. A single tear strip 15 may be used, centrally of the flanges 12 of the clip 13, and two or more cords or wires may be used with each clip.
Patent GB-371808-A (GB)
Title: Improved distribution device for pneumatic tools
IPC: B25D13/00
Filed: 1930-10-24
Abstract: 371,808. Valve-gear for percussive tools. MONOYER, H., 54, Rue de l'Industrie, TriviÞres, Belgium. Oct. 24, 1930, No. 32013. Convention date, Oct. 24, 1929. Void [Published under Sect. 91 of the Acts]. [Class 122 (ii).] In fluid-actuated, lift-valve gear wherein the valve is reversed by the release and compression of fluid in the cylinder, the valve is in the form of a flexible diaphragm rigidly held, at one or both ends or at the middle, and which yields to control the ports. In the construction shown in the Figure, the valve C is arranged between blocks A, B which are centrally bored to form ports 5, 6 leading to the ends of the cylinder and to form an annular chamber around the seats which are alternately engaged by the valve.
Patent GB-265926-A (GB)
Title: Improvements in or relating to vertical lead cable presses
IPC: B21C25/06
Filed: 1926-12-17
Abstract: 265,926. Krupp Grusonwerk Akt.- Ges., F. Feb. 9, 1926, [Convention date]. Squirting. -In a vertical press for encasing cable with lead having a divided press head 1, 2, the tool-holder 7 is screwed into a sleeve 3 made in one piece and inserted in recesses 5 formed in the two parts of the head 1. The holder 7 is screwed into the sleeve 3 and this only engages the head 1 by a narrow collar 5 and key 6 so that it remains at the same temperature as the holder 7 and the screw thread is not damaged. The invention may also be applied to the matrix holder 8 and insulating material may be interposed between the sleeve 3 and the recesses 5.
Patent GB-1358662-A (GB)
Title: Collapsible suitcase
IPC: A45C7/00
Filed: 1972-07-10
Abstract: 1358662 Collapsible luggage J WEIL 10 July 1972 [28 July 1971] 32188/72 Heading A4G A foldable suitcase has a resilient frame e.g. of plastics covered by flexible material and is collapsible under pressure on its front 1 and rear 2 Fig. 1 and automatically re-opens when pressure is released. The frame comprises two symmetrical U-portions 8, 9, 10 and 11, 12, 13 joined by flexible hinge plates 14, 15. The portions may be provided with ribs 3 to prevent distortion except at the corners 4, 5, 6, 7 which are smooth and can bend elastically. The cover is connected to the portions and when front 1 is pressed down, the frame and cover collapse as in Fig. 3, the bottom 17 and lid 16 zipped at 21, folding outwards into truncated triangles which are folded inwards and secured by e.g. strap or press-stud. A hole is made in the case to allow the ingress or egress of air. The U-frames may be integrally joined with plate 14, 15 replaced by smooth sections as at 4-7.
Patent GB-506342-A (GB)
Title: Improvements in and relating to the control of electric winding engines and the like
IPC: B66B1/12
Filed: 1937-11-23
Abstract: 506,342. Winding and paying - out apparatus. BRITISH THOMSON HOUSTON CO., Ltd., and LIDDIARD, H. W. C. Nov. 23, 1937, No. 32233. [Class 78 (v)] In a winding system using two drums, one winding and the other paying out, wherein at least one drum is loose and is provided with a clutch for connecting it to the driver, means are provided for detecting and stopping any movement of the loose drum after it has been declutched and the normal brake applied. Two contactors A, B are arranged in parallel in a circuit such that when both are broken an emergency brake is applied and the power is cut off. The coils A<2>, B<2> operating these contactors are arranged in parallel in another circuit containing a contact C operated by the clutch. Auxiliary contacts A<1>, B<1> are also provided in circuits completed by a commutator D driven by the loose drum. Under the conditions shown contact C is opened on declutching thereby de-energizing coil B<2> and contactors B, B<1> are opened. The circuit keeping contactor A closed is maintained through the commutator, contactor A<1> and coil A<2> unless the loose drum, and therefore the commutator, moves whereupon the circuit through A<2> is broken and A and A<1> open thereby applying the emergency brake. The circuit through B<2> can only, be reclosed by ieclutching and reclosing contact C ; such reclutching also re-energizes coil A<2>.
Patent GB-209564-A (GB)
Title: Improvements in dartboards
IPC: F41J3/00
Filed: 1922-11-27
Abstract: 209,564. Storer, B. A. Nov. 27, 1922. Drawings to Specification. Dart-boards.-The centre on which the divisions are marked is separate from the outer ring carrying the scoring numbers to enable the divisions to be changed.
Patent GB-363060-A (GB)
Title: Improvements in, or relating to, electric tumbler switches
IPC: H01H23/14
Filed: 1930-10-29
Abstract: 363,060. Switch handles. CRABTREE, J. A., Endwood, Little Aston Park, Sutton Coldfield. Oct. 29, 1930, No. 32455. [Class 38 (v).] The pivot pin e of the dolly of a tumbler switch passes loosely through the bridge a and is held in place by a device such as the bolt d applied at one end of the pin only. The bolt d also serves to hold the bridge in place and by tightening up the nut d2 the end e<1> of the pin e is firmly gripped. Numerous modifications are described in some of which the pin e, instead of passing through a hole in the bolt d, passes into a cavity in an enlarged head of the bolt, or into a cavity in a washer g<1>, Fig. 12, which fits into a cavity in the head of the bolt. In the last example the pin e is also bent down at its end. In other modifications, Figs. 7 to 10 (not shown) the pin is bent at its end so as to encircle the bolt d. Specifications 142,225, 175,081, and 292,399, [all in Class 38 (v), Electric switches &c.], are referred to.
Patent GB-287253-A (GB)
Title: Improvements in and connected with the supporting of overhead conductors
IPC: B60M1/23
Filed: 1926-12-23
Abstract: 287,253. British Insulated Cables, Ltd., Holland, J. H., Broom, T. C., and Bates, K. D. Dec. 23, 1926. Systems of supporting cables and conductors.- In tramway &c. overhead systems of the kind in which the spans of the contact wires overlap, and a bow &c. collector is used on the vehicle, the stress in the contact wires acting upon one side of each supporting mast at which the wires terminate is balanced by the stress in the catenary or supplementary contact wire on the other side of the mast. Fig. 1 shows a construction in which the overlapped portions 3<x>, 4<x> of the contact wires 3, 4 are balanced at the posts 1, 1<x> by the auxiliary catenaries 6, 7 on the other sides of the posts. The wires 3<x>, 4<x> are attached to the posts 1, 1<x> through insulators 5. In 'the construction shown in Fig. 3, the contact wires 3, 4 are, suspended from the main catenary 2 by droppers 10, and the overlapped portions 3<x>, 4<x> of the wires 3, 4 between the posts 1<x>, 1 are balanced by supplementary lengths 14 of wire on the other sides of the posts. The wires 14 are connected to the contact wires 3, 4 through insulaors 15<x>, and are supported by droppers 11.
Patent GB-1503877-A (GB)
Title: Process for producing alpha alpha alpha alpha',alpha' pentachloro-ortho-xylene
IPC: C07C67/00
Filed: 1976-08-04
Abstract: 1503877 Pentachloroxylene DYNAMIT NOBEL AG 4 Aug 1976 [9 Aug 1975] 32565/76 Addition to 1483690 Heading C2C α,α,α,α<SP>1</SP>,α<SP>1</SP> - Pentachloro - ortho - xylene is prepared by reacting chlorine with ortho-xylene under actinic light in the presence of a chlorine resistant solvent at 75‹ to 140‹ C.
Patent GB-863736-A (GB)
Title: Combined air filter and intake silencer
IPC: F02M35/14
Filed: 1959-09-25
Abstract: 863,736. Silencing and purifying charge. FRAM CORPORATION. Sept. 25, 1959 [Nov. 28, 1958], No. 32693/59. Class 7(2). [Also in Group XXVIII] Silencing of the air intake of an I.C. engine and of engine noises is effected by the air intake filter element 21 which comprises a semi-rigid moulded mass of annular shape and of considerable axial and radial thickness (see Group XXVIII) held by a bolt 14 between an annular base 16 of sound absorbing plastic material and a cover-plate 23 having a skirt 24 providing a dust-laden air inlet chamber; the so filtered air passing through the central opening of the base-plate 16 to a pipe 10 leading to the carburetter.
Patent GB-167991-A (GB)
Title: Improvements in or relating to pneumatic hammers and similar percussive tools
IPC: B25D9/18
Filed: 1920-11-19
Abstract: 167,991. Globe Pneumatic Engineering Co., Ltd., and Tierney, J. W. Nov. 19, 1920. Fluid-actuated gears.-In a percussive tool having a fluid-actuated valve 6, the rear face of which is constantly acted on by fluid, admitted through a restricted port L, the movement of the valve to the left uncovers a port Q, through which an additional supply of fluid is admitted to the back of the valve. The valve is contained in a box 4, the rear end of which is covered by a plate 5, perforated by the port L. Fluid, admitted at the inlet A, passes by a passage B to a passage C in the box 4, and, in the position shown, through a port D to the rear of the piston 3. At the same time, the front end of the cylinder is open to the atmosphere through a cylinder port and through a passage H, a port G, a passage M and a port N. When the piston opens the rear end of the cylinder to the atmosphere through the cylinder port, the pressure on the rear face of the valve 6 moves the valve to the left, uncovering the port Q. Fluid then passes by a port F and the passage H to the front end of the cylinder, causing the reversal of the piston. The rearward movement of the piston opens the exhaust port for the front end of the cylinder, so that the rear face of the valve is open to exhaust through the port F and passage H, and the compression, acting on the front face of the valve, moves it to the right.
Patent GB-1062009-A (GB)
Title: Sliver handling apparatus
IPC: B65H51/20
Filed: 1965-07-30
Abstract: Sliver is passed by a rotary plate coiler into the lower end of a stationary or rotating, straight or partly curved storage tube part at least of the length of which is inclined (in some cases adjustably) to the horizontal.  The tube and coiler may be separated by movement of one or the other to expose the open inlet end of the tube.  A spring- or gravity-loaded plate bears on the top of the sliver coils in the tube, the withdrawn sliver end passing through an aperture therein.  In the curved tube, the coils at the inlet and outlet ends are perpendicular to the axes of these tube parts.  The tube comprises inspection opening(s) and mechanical, electrical and/or optical devices which detect the state of tube filling and may initiate regulation of the machines feeding and receiving sliver to and from the tube accordingly. Several tubes may supply slivers on to a common platform over a card.
Patent GB-387791-A (GB)
Title: Improvements in or relating to perforated records for controlling statistical machines
IPC: G06K19/02
Filed: 1931-11-27
Abstract: 387,791. Statistical apparatus. BROUGHAM, L. E., Brillig, Riddlesdown Avenue, Purley, Surrey. Nov. 27, 1931, No. 32976. [Class 106 (i).] Statistical cards.-A holder for perforated record strips G consists of a frame member having a series of windows B therein, adjacent to which are slots F to receive the strips. Two pieces of paper A of the size of standard statistical cards and with windows B are fastened together, with the interposition of the piece C, D so as to form the holder, shown in Fig. 3, which thus has slots F for the reception of the smaller perforated sales tickets G. These windows B permit the passage of the sensing elements of the machine through the strips G. Holes H are provided to expose the hole positions in tickets G which would normally be covered by the margins of windows B. One or both of pieces A, instead of having apertures B may be full cards with perforations for every hole position in the tickets G. According to the Provisional Specification, in some classes of work small statistical machines use correspondingly small record cards. Holders as above may be used to pass such small cards through the standard machines, which normally use larger cards.
Patent GB-1158624-A (GB)
Title: Circuit Arrangement for Producing a Time Delay
Inventor: HUNTINGFORD FRANK
IPC: H03K5/13
Filed: 1966-07-22
Abstract: 1,158,624. Semi-conductor timing circuits. MULLARD Ltd. 22 July, 1966, No. 32995/66. Heading H3T. A timing circuit comprises a capacitor charged through a path comprising a constant current device and the control electrode of a semi-conductor device, whereby the semiconductor device remains conducting until the capacitor voltage reaches substantially the supply voltage and the charging current ceases. Thus in Fig. 3, the capacitor charges through a constant current transistor circuit 2, 6, 7, 8 maintaining the Schmidt trigger 9, 11 in one state until the transistor 2 saturates whereupon the charging current ceases and the trigger changes its state. The capacitor may be discharged by a further transistor or by a contact of a reed relay 12 controlled by the trigger. Timing may be adjusted by varying the charging current as by adjusting resistor 8.
Patent GB-460329-A (GB)
Title: Method of packing powdered mixtures
IPC: B65B1/24
Filed: 1935-11-28
Abstract: 460,329. Packeting. MELHUISH, A. E. (Columbus Dental Manufacturing Co.) Nov. 28, 1935, No. 33034. [Class 94 (i)] Powdered mixtures such as dental investment compounds are introduced into a container in successive quantities and subjected to pressure by a plunger, the container being closed by pressing a closure into the compacted mixture to retain the latter in a state of uniform blending. A container 1 having a top wall 2 and opening 3 is placed on a bed 7 and held in position by a hinged device 9 adapted to be closed by a latch 10. A funnel 13 having a cylindrical portion 12 is placed to rest with a flange 14 on the container top and the lower edge 15 projecting into the opening 3. A charge 17 of material is introduced to fill the container except a space beneath the top wall 2, and extends upwards in the portion 11 of the funnel. A plunger 18 with a conical extension 19 is depressed to compact the material as shown in Fig. 7. The conical portion of the plunger displaces the material radially and upwards into the previously unoccupied space 2, and a cavity 20 corresponding to the shape of the plunger is left in the centre. The remainder of the material to complete the charge is introduced as shown in Fig. 9, and a plunger 21 of cylindrical form, which has been substituted for the plunger 18, is lowered to a small distance below the top wall 2, thereby filling the container except for a shallow cylindrical space beneath the opening 3. A lid 4 is then applied so that the portion 5 fills the vacant space, and the charge 17 is maintained by pressure in a homogeneous condition.
Patent GB-956575-A (GB)
Title: Method of and apparatus for measuring lengths of thread under predetermined tension
IPC: B65H54/56
Filed: 1960-09-26
Abstract: 956,575. Measuring length. DEUTSCHE AKADEMIE DER WISSENSCHAFTEN ZU BERLIN. Sept. 26, 1960 [Sept. 24, 1959], No. 33056/60. Heading G1M. The length which a hank of thread, wound on a multiarm precision reel at less than standard tension, would be if it were at standard tension is measured by folding in one of the arms of the reel, loading the hank between the arms adjacent the folded one with a weight 1 and aligning arms 7a, 8 of an adjustable device shown in Fig. 1 with the angle formed by the hank between the suspended weight and the adjacent arms of the reel. The weight is adjusted to exactly the mid point of the hank by using the scales on arms 7a, 8 and the tension is shown by the intersection of the graduation on arm 7b corresponding to the weight 1 and the graduation lines on member 4. If this tension is not within the desired limits weight 1 must be altered. When all these adjustments have been made arms 7a, 8 are realigned with the hank angle and a slide 5 is moved until it contacts arm 7b. The graduations on slide 5 then give a reading of the elongation of the hank due to weight 1. The thickness of the hank is measured so that appropriate corrections can be made when calculating the total length of the thread.
Patent GB-691781-A (GB)
Title: Improvements in hot-gas engines
IPC: F02G1/047
Filed: 1946-11-07
Abstract: 691,781. Hot gas engines.. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Nov. 7. 1946 [May 22, 1943], No. 33128/46. Class 7 (i). In a hot gas engine comprising means for automatically maintaining the temperature of the material of the heater at a substantially constant value a known thermosensitive device of a thermostat which is operative to control the rate of supply of heat to the heater in accordance with temperature variation of the device is arranged separately from and located in the region of the heater so as to lie heated directly by the flame gases which heat the heater, means being provided for conducting heat away from the device in proportion to the indicated power of the engine. In the figure a thermosensitive device (not shown) is located in a member 37 situated between the heaters 34, 35. The member 37 is cooled by cooling water, if desired, from the engine cooler circuit. The member is connected in the cooling water supply between the two coolers. The flow of water is controlled by a cock 42 adjusted in accordance with the engine, power by a lever operated by a speed governor and a member responsive to the mean pressure in the engine. In a modification, the member 37 is located in the flue and is cooled by a current of engine working medium by connecting it by pipes between the heater and regenerator or heater and hot chamber, and the flow may be controlled by a throttle. The thermosensitive device operates means which control the fuel supply to the burner 36. If the engine comprises a device for preheating the combustion air the preheated air may be used for conducting heat away from the thermosensitive device. The Specification as open to inspection under Sect. 91, describes a modification, Fig. 2 (Cancelled), in which a temperature sensitive device 26 is located in a recess 24 in a hollow member 23 containing a liquid whose boiling point is below the normal heater temperature. The inner end of the member 23 is located in a recess in the heater. The heat from the heater may be conducted to the temperature sensitive device by a copper or bronze rod; the device may be located in a recess in the heater. It is stated that in an engine in which the mean pressure and engine speed are in a fixed relation to one another the heat supply may be controlled solely by a device for adjustment of the engine power. If the engine is constant, the heat supply may be controlled only by the mean pressure. The Specification as open to inspection under Sect. 91 also comprises the subject-matter of Specifications 691,784 and 691,785. This subject-matter does not appear in the Specification as accepted.
Patent GB-771479-A (GB)
Title: Improvements in or relating to magnetic amplifiers
IPC: H03F9/06
Filed: 1954-11-25
Abstract: 771,479. Magnetic amplifiers. GENERAL ELECTRIC CO., Ltd., and PARTON, K. C. Nov. 25, 1954 [Nov. 30, 1953], No. 33190/53. Class 40 (4). In a polyphase half-wave magnetic amplifier comprising a first polyphase rectifier bridge providing A.C. terminals and D.C. terminals, at least one reactor element having a core of highly remanent material is included in each pair of arms of the bridge between the A.C. terminals and a voltage is applied to the main winding, or to a control winding, of each reactor element during the half-cycles when the associated rectifier element in the bridge is substantially non-conductive in order to reset the flux in the reactor element to a predetermined value, this voltage being applied by means of a second polyphase rectifier bridge coupled to the first bridge by the reactor elements. Preferably the applied resetting voltage consists of alternate half-cycles of a constant alternating voltage in series opposition to an adjustable unidirectional voltage and is greater than that required to give full resetting. As shown, six rectifier elements 10 to 15 are arranged in a bridge circuit with six reactor elements 20 to 25 in series with them, a three-phase A.C. supply being connected to 31, 32, 33 and a load circuit 35 to leads 34 and 36. The reactor elements 20, 22 and 24 are connected via further rectifiers 40, 42, and 44 respectively to one terminal 37 of a unidirectional voltage source, and the reactor elements 21, 23 and 25 are connected via rectifiers 41, 43, and 45 respectively to its other terminal 38. In operation load current is drawn for one half of each cycle from the A.C. supply for each phase, and each reactor element becomes saturated once per cycle. Resetting is effected for each phase during alternate half-cycles in which load current is blocked by rectifiers 10-15, and in which current flows from 31, 32 or 33 to 33, 31 or 32 via reactor 21, 23 or 25, rectifier 41, 43, or 45, the voltage source connected to 37 and 38, rectifier 44, 40, or 42, and reactor 24, 20, or 22, respectively. The amount of resetting is directly dependent upon the difference between the voltages of the A.C. supply and the adjustable unidirectional voltage source. Modifications are described in which the resetting voltage is applied to a control winding of each reactor element, and in which the resetting voltage is applied to a tapping on the main winding of each reactor element.