baber/WOPTO huggingface dataset:
Patent GB-1396859-A (GB)
Title: Key for drill chucks
IPC: B25B33/00
Filed: 1974-01-24
Abstract: 1396859 Chuck keys G H ROHM 24 Jan 1974 [15 March 1973] 03265/74 Heading B3B A key for drill chucks comprises a substantially bevel-shaped toothed pinion 1 on an axial shaft 3 and a handle 4 extending transversely to the shaft, the handle being in one piece with the shaft and formed by bending it with respect thereto so as to provide one handle limb that extends from the shaft to a U-shaped bend 6, the other limb of the bend providing a second handle limb that extends back over and beyond the shaft, the two limbs and shaft lying in one plane.
Patent GB-284708-A (GB)
Title: Improvements in brakes
IPC: F16D57/06
Filed: 1928-02-02
Abstract: 284,708. Charters, W. B. Feb. 4, 1927, [Convention date]. Energy-absorbing elements. - A brake for motor vehicles comprises two or more pistons driven from the driving axle or shaft, each piston being provided with a non-return valve whereby it is adapted to force liquid from a central chamber through a passage in which is disposed a restricting valve. As shown in Fig. 3, pistons 17, 18 each having a non-return valve 24, 25 are driven by an eccentric 12. A valve or cock 21 disposed in a passage 20 connecting the outer ends of the cylinders has two axial passages 22 separated by a partition 21<1>. Each passage 22 opens past a flap valve 23 into a central chamber 19 and has a port 27, 28 adapted to register more or less with the passage 20 according to the position of the valve. Thus during each outward stroke of the pistons liquid is forced through the passage 20 and the restricted port 27, 28 into the chamber 19 thereby producing a braking action. The shaft 7 of the eccentric 12 may extend transversely into the transmission housing of the vehicle and be geared therein to the driving shaft.
Patent GB-1217476-A (GB)
Title: Time switch
IPC: G04C23/24
Filed: 1969-01-21
Abstract: 1,217,476. Time switches. INTERNATIONAL REGISTER CO. 21 Jan., 1969 [26 July, 1968], No. 3293/69. Heading H1N. An insulating frame 13 comprises a front portion 29 supporting a time switch mechanism in an insulating housing (11, Figs. 1, 2, 3, not shown) and a rear portion (30, Fig. 6, not shown) which supports a synchronous motor (26) geared to a pinion 49 meshing with a cupshaped gear 47 having a boss 46 coupled to a shaft 56 by a helical spring friction clutch 55. This allows manual setting by a knob (34, Figs. 1, 2, 3, 6 and 10, not shown) which is integral with a twenty-four hour time dial (32) secured to the front end of shaft 56, but removed in Fig. 11 for clarity. Angularly adjustable "on" and "off " arms (35, 36) mounted on the time dial (32) for clockwise rotation carry respective lugs 85 and 86 which at preset times respectively engage the ends of forwardly-extending arms 87, 88 of quadrantal bell-crank levers 89, 90, loaded by springs 105, 106 to cause stepping of a rotary contact actuator 114. When lug 85 engages arm 87 spring 105 is stressed and the end 139 of the other arm of bell-crank 89 rides up and passes over the sloping face 137 of a sawtooth projection 135 on a disc-like portion 134 of actuator 114. When lug 85 leaves the arm 87 the bellcrank 89 snaps back, due to spring 105, and the end 139 engages the steep face of tooth 135 to turn the actuator 114 nearly 90 degrees. Completion of the 90 degree step, and location of actuator 114, is provided by a spring-urged dog (147, Figs. 13 and 16, not shown), which co-operates with a four-lobed portion 145 of actuator 114. A two-lobe cam 25 near the upper part of actuator 114 is thus turned to allow a contact on spring blade 24 to engage a fixed contact carried by terminal connector 119, and a sawtooth diametrically opposite to the tooth 136 on the upper side of disc 134 is simultaneously brought into position to be subsequently engaged by the end 140 of bell-crank 90 when " off " lug 86 acts on arm 88; whereupon the actuator 114 is snapped another 90 degrees rotation and cam 25 moves blade 24 to open the contacts (as in Fig. 12, not shown). An edgewheel 37 is coupled to actuator 114 by gears 158, 157 for manual operation of the contacts and carries ON and OFF indicia (Figs. 4 and 14, not shown). The shaft 56 may be manually moved axially by its knob (34) between two positions, located by a wire spring (63, Figs. 6 and 10, not shown) entering one of two circumferential grooves (61, 62), and when in the forward position renders the lugs 85, 86 ineffective.
Patent GB-857514-A (GB)
Title: Improvements in or relating to the production of emulsion polymers and aqueous mediatherefor
IPC: C08F2/30
Filed: 1957-01-30
Abstract: An aqueous phase reaction medium for emulsion polymerization consists of a dilute solution of a non-ionic protection colloid, a water-soluble non-ionic emulsifying agent containing a plurality of oxyethylene groups and having a hydrophilic number of 65 to 75, and not more than 1% by weight of the aqueous phase of one or more acetylenic ditertiary alcohols.  The preferred acetylenic ditertiary alcohols are symmetrical.  Alcohols mentioned are dimethyl hexyne diol and dimethyl octynediol.  The preferred protective colloid is polyvinyl alcohol containing at least 95% polyvinyl alcohol which may be supplemented by a smaller amount of another protective colloid such as hydroxyethyl cellulose or gum arabic.  Suitable emulsifying agents are polyoxethylated octyl and nonyl phenols and compounds of the general formula (OH) (C2H4O)a (C3H6O)b (C2H4O)cH, wherein a, b and c are such that the molecular weight is 1500-1800, the percentage of oxyethylene groups is 20-50 and the HN value is between 65 and 75. The media may be used for making polymers or co-polymers by dispersing one or more ethylenically unsaturated monomers therein together with a free radical polymerization catalyst (preferably a peroxide) and heating to 140-195 DEG C.  Pressure may be employed when gaseous monomers are involved.  A blanket of nitrogen is preferably maintained during the reaction.  The reaction may be seeded with a small quantity of previously prepared emulsion of polymer of the desired quality and particle size.  The particle size of the polymer produced may be controlled by the method of addition of the monomers, and of the catalyst.  Detailed procedures are described in the Specification.  Examples describe in detail the emulsion polymerization of (1) (2) and (3) vinyl acetate (4) vinyl acetate with a smaller quantity of dibutyl maleate or of various other monomers (5) various terpolymers of vinyl acetate with smaller quantities of other monomers.  Many other monomers suitable for polymerization according to the invention, are listed in the Specification.  The polymer emulsions produced are useful with or without addition of pigments and plasticizers, as coating compositions, adhesives or for laminating.
Patent GB-489240-A (GB)
Title: Improvements in or relating to work gripping and driving devices
IPC: B23B31/117
Filed: 1937-02-05
Abstract: 489,240. Chucks and mandrels. BRADLEY, W. Feb. 5, 1937, No. 3397. [Class 83 (iii)] A work gripping or driving device for imparting rotation or reciprocation or both movements to solid or hollow work-pieces comprises resilient rings which are expanded or contracted by axial pressure and which are mounted between driving washers or discs splined on or within the driving member. The rotary spindle H journalled and located axially in a bearing I by a nut G has a central opening of polygonal section to receive a similar rod A. One end of the rod is screwed to take a hand wheel B and the other end is provided with a head U, whilst an outer cap M is pinned thereto at N. Resilient rings R of rubber &c. are located within a work-piece T and further rings R<1> are located outside the work, washers Q, Q<1> being placed between the rings and splined to the rod A and cap M. Axial pressure on the rod A produced by rotating the hand wheel B and reacting on the spindle H through a spring C, washer D and sleeve F, compresses the rings against an abutment O acting on the spindle through pins L, thereby expanding rings R and contracting rings R<1> against the work to grip it internally and externally. The sleeve F is splined to the rod A, and a sprocket E through which the work is rotated engages the sleeve by a screw-thread and has axial clearance at W so that the driving torque, in either direction, can cause further axial movement of the rod A to increase the grip on the work. For gripping hollow work internally, the inner rings R only may be used, the cap M then being dispensed with and the end washer Q then abutting on a thrust collar which engages the spindle H, and for gripping solid work externally the outer rings only are used. Ball thrust bearings may be placed on each side of the sprocket E and the extent of the grip provided by the drive may be regulated by varying the pitch of the thread on the sleeve F and by varying the degree of friction of the sprocket on its end surfaces.
Patent GB-969764-A (GB)
Title: Improved catalysts for the polymerization and copolymerization of mono-olefins and di-olefins
IPC: C08F4/64
Filed: 1960-12-29
Abstract: A polymerization catalyst (see Division C3) component is made by reacting a dry, inorganic metal or metaloid oxide, of particle size less than 1 micron, other than silica, alumina, or alumina-silica, e.g. titania zirconia, thoria and magnesia having surface hydroxyl groups, with a Group IVA, VA, VIA metal halide or oxyhalide at 0-300 DEG  C. in an inert liquid hydrocarbon whilst removing gaseous hydrogen halide by product.  Metal and halogen components are thus incorporated on the surface of the particles. Numerous examples are given. Specifications 967,762, 967,763, 967,765, 967,766 and 967,767 also are referred to.ALSO:A polymerization catalyst suitable for up to C8 mono- or di-olefins or mixtures thereof is obtained by the reaction of a product consisting (see Division C1) of a metal or metaloid oxide of less than 1 micron, other than silica, alumina or alumina-silica, e.g. titania, zirconia, thoria and magnesia, and a Group IVa, Va, VIa metal halide or oxyhalide, together with a Group I, II, III metal hydride or organometallic compound, which may contain more than one metal and/or halogen. Numerous examples of reactants are specified and polymerization using the catalysts obtained are described.  Hydrogen may be present as a chain-terminator.  Specifications 967,762, 967,763, 967,765, 967,766 and 967,767 also are referred to.
Patent GB-564035-A (GB)
Title: Improvements in or connected with carding-engines
IPC: D01G15/58
Filed: 1943-03-04
Abstract: 564,035. Carding-engines. PICKLES, J. March 4, 1943, No. 3570. [Class 120 (i)] Each eccentric reciprocating device for the leathers &c. of a carding-engine, is provided, between the eccentric strap and its coacting cross-head of the shaft of the leathers &c., with a non-metallic flexible coupling which may be reinforced by a helical spring embedded therein. Between the eccentric sheave 2 and the strap 1 is positioned a ball or roller bearing race 5 covered at its sides by felt washers and coverplates to maintain the bearings filled with grease. To the strap 1 is fixed by a screw 9 a clamping plate 10 between which and a ring 12 the one end of a bobbin-shaped indiarubber coupling member 11 is held. The other end of the member 11 is clamped in similar fashion to a plate 14 screwed at 19 to the cross-head 17 which moves the shafts 18 of the rubber-rollers.
Patent GB-951663-A (GB)
Title: Process for the preparation of 6-deoxy-6-demethyl-6-methylene-5-oxytetracycline
IPC: C07C233/00
Filed: 1961-01-31
Abstract: The antibiotic 6-deoxy-6-demethyl-6-methylene-5 oxytetracycline is prepared by contacting 5-oxytetracycline-6, 12, - hemiketal - 12-sulphuric acid ester with a dehydrating acid and separating said 6-deoxy-6-demethyl-6-methylene-5 oxytetracycline from the resulting reaction mixture. Specified dehydrating acids are sulphuric acid, phosphoric acid or polyphosphoric, preferably at least 60% aqueous solutions, liquid hydrogen fluoride, glacial acetic acid containing boron trifluoride and trihaloacetic acids e.g. trifluoroacetic acid. The product may be isolated as its hydrochloride.
Patent GB-371500-A (GB)
Title: Improvements in or applicable to spectacles
IPC: G02C5/22
Filed: 1931-02-05
Abstract: 371,500. Spectacles. NEWBOLD, B., 26, Ironmarket, Newcastle-under-Lyme. Feb. 5, 1931, No. 3620. [Class 97 (i),] To prevent rotation of a spectacle lens in its frame, each half h of the split knuckle joint carrying the temple piece is formed with a cavity y to accommodate a pin x, the inner end e<2> of which projects into the groove d in the eye-wire and engages a notch in the periphery of the lens. The pin may be soldered in the cavity in one half of the joint.
Patent GB-119984-A (GB)
Title: Improvements in or relating to the Jointing of Electric Cables.
Inventor: HOWARD WILLIAM JOSEPH
IPC: H02G15/04
Filed: 1918-03-01
Abstract: 119,984. Howard, W. J. March 1, 1918. Couplings.-A joint for an electric cable having two nr more cores is made by bending the cores A outwards at a slight angle to the axis of the cable, removing the insulation near the ends, bending the bared portions approximately at right-angles to the axis of the cable, binding them together with wire B or slipping a ring over them, and soldering. The connected ends may be wrapped with insulating material or insulating caps C may be added, the caps having coarse threads or corrugations in the interior which may be filled with insulating compound or cement before the caps are applied. The jointed cores are symmetrically disposed about the axis of the cable, and a filling or distance piece of insulating material may be placed between them.
Patent GB-773696-A (GB)
Title: Improvements in or relating to automatic car couplers
Inventor: WHITEHOUSE GLENROY DOUGLAS
IPC: B61G3/16
Filed: 1955-02-08
Abstract: 773,696. Couplings. ENGLISH STEEL CORPORATION, Ltd. Dec. 14, 1955 [Feb. 8, 1955], No. 3628/55. Class 103(5). An automatic coupler having a projecting nose 20 adjacent the opening 21 in the coupler head is provided with upper and lower wings 29, 30 on either side of the opening to increase the vertical gathering range of the coupler. The centreing surfaces 31, 33A are discontinuous so that the buffing flange contact area 128 is not reduced.
Patent GB-1375521-A (GB)
IPC: F17C3/04
Filed: 1973-01-24
Abstract: 1375521 Storing liquefied gases BRIDGESTONE LIQUEFIED GAS CO Ltd 24 Jan 1973 3644/73 Heading F4P [Also in Division F2] The wall of a free-standing or membranetype liquefied gas tank includes a heat-insulating layer of sulphur 3, which may be reinforced, e.g. with glass wool, metal framing, or sand, or mixed with granular, heat-insulating material, e.g. foamed polyurethane or perlite. The sulphur may be in a foamed condition. The wall also may include a layer of another heatinsulating material. Crack-interrupting members may be included in the sulphur layer, Fig. 5 (not shown). A heat-resisting layer of concrete may be included, Fig. 8 (not shown). The wall may comprise a plurality of interlocking blocks containing sulphur, Fig. 9 (not shown). The free-standing tank shown has a weather-proof layer 4, e.g. of plaster, protecting sulphur layer 3.
Patent GB-124419-A (GB)
Title: Improved Process of and Apparatus for Measuring the Power of Reciprocating Engines.
IPC: G01L23/18
Filed: 1919-02-14
Abstract: 124,419. Frisch et Cie, A. March 20, 1918, [Convention date]. Electric speed-indicators. - In order to obtain an electric current proportional to the piston speed of a reciprocating engine, the shaft 9 of an alternator is coupled to the crank shaft 7 of the engine by a crank-pin driven by a slotted crank on the engine shaft. The shaft 9 of the alternator is displaced towards the cylinder by a calculated amount to compensate for the shortness of the connecting- rod 5 of the engine. The current generated is thus proportional to the piston speed and changes sign with change in direction of the motion of the piston.
Patent GB-460678-A (GB)
Title: Improvements in packing rings for stuffing boxes
IPC: F16J15/28
Filed: 1936-02-07
Abstract: 460,678. Stuffing - box packing. ESPEY GES., G. Feb. 7, 1936, No. 3742. Convention date, Feb. 7, 1935. [Class 122 (v)] In a spring-loaded segmental packing-ring the joints of the segments are of angular form with the inner parts c tangential to the bore g and the adjacent faces of the outer parts d spaced apart.
Patent GB-472312-A (GB)
Title: Improvements in or relating to electric protective arrangements
IPC: H02H3/20
Filed: 1937-02-04
Abstract: 472,312. Protective cut-out arrangements. FOWLER, E. A.. HYMAN, L., and OUGHTON, W. E. Feb. 4, 1937, No. 3789/36. [Class 38 (v)] An installation comprising an H.T. circuit fed from an L.T. circuit through a transformer, which may be of the leaky-field type or plain double-wound type, is protected against excess H.T. volts by means of a spark-gap 6 connected across the H.T. circuit 1, and a fuse 5 in the gap adapted when the gap breaks down, to melt and release a spring-actuated member 7 carrying a contact 4 normally bridging contacts in the L.T. circuit 2. When released, the rod 7 slides in a guide 10 under spring- action 12 to open the L.T. circuit and hence de-energize the H.T. circuit, which may supply an electron discharge tube (neon-sign) installation and contain overload fuses. The member 8 to which the other end of the fuse 5 is pinned may be earthed, and may either be fixed or adjustable in a guide 13 by means of a cam 14 rotatable in member 8. Where each of a number of tubes has its own transformer, a fault in one H.T. circuit may interrupt all or some of the L.T. circuits.
Patent GB-433373-A (GB)
Title: Improvements in or relating to the wet purification of gases
IPC: B01D53/50
Filed: 1934-02-05
Abstract: <PICT:0433373/III/1> In washing flue gases with a recirculated liquor to which lime or chalk is added in amount approximately equivalent to the sulphur oxides and other strongly acid gases (e.g. hydrochloric acid), the addition of lime or chalk is regulated by determining the pH of the scrubber exit liquor continuously or at frequent intervals and adding, at a point after the point of determination of the pH, sufficient lime or chalk to keep this pH within the range 6,0--6,4 and preferably 6,2 with lime neutralization, or 6,0--6,3 and preferably 6,1 with chalk neutralization.  The pH may be determined colorimetrically or a continuous pH recorder may be used.  The addition of lime or chalk may be automatically controlled in accordance with the reading of the pH recorder, the lime and chalk being preferably added continuously in the form of a slurry.  Flue gas enters a scrubber 3 at 1 and leaves at 2.  The liquor leaving the scrubber passes through a tank 5 and is recirculated by a pump 7.  A small sample of the liquor is bled off continuously through a cell 8 of a pH recorder.  The cell 8 contains a calomel electrode and a glass electrode dipping into the scrubber exit liquor with a second calomel electrode making contact with liquor of constant known pH inside the glass electrode.  The pH is measured by measuring the electromotive force between the two calomel electrodes by means of a thermionic potentiometer, which may be so adjusted that no current flows when the pH is at the required value.  The out-of-balance current may operate a continuously recording milliameter.  The milliameter may be provided with metal segments set a short distance apart on either side of the zero.  Contact of the needle with these segments operates a relay controlling an electric motor which actuates a lime supply valve 18 as that it either opens or closes. Accumulated solid matter is removed by withdrawing at 10 a portion of the liquor leaving the scrubber which is clarified in a settler 9.  A part of the clarified liquor passes to a lime or chalk slurry preparation tank 16, the slurry being pumped by a pump 17 through the controlled valve 18 into the main circulating stream of liquor.  The remainder of the clarified liquor from the settler 9 passes to a tank 11 from which it is returned by a pump 12 to the top of the scrubber. The thick liquor from the settler 9 is dewatered on a rotary filter 14 and the filtrate is added to the tank 11.  The liquor leaving the cell 8 may be passed into the settler 9.  Specification 358,487, [Group XII], is referred to in the Provisional Specification.
Patent GB-124717-A (GB)
Title: Improvements in Coating Machines.
Inventor: MAYER CHARLES WILLIAM
Filed: 1919-02-17
Abstract: 124,717. Mayer, C. W. March 27, 1918, [Convention date]. Feeding and registering webs; collapsible rollers.-In a machine for waxing, carbonizing, coating or impregnating paper or like fabric, the paper is unwound from a supply roll a journaled on a carrier 2, which is supported by rollers 3 on a base 4 adjustable on the frame 5 by means of a rack and pinion 6, the carrier 2 being held yieldingly by a spring 7 to allow for any irregularity of the winding of the paper on the supply roll and to keep it under uniform tension. The paper passes over an ironing edge of a square bar 9 detachably set at the top of a rigid support 10, against the flat face 11 of which the paper is smoothed laterally from the centre outwards by oppositely driven endless brushes 14, 15, Fig. 2. After coating, the paper is wound on a frictionally-driven roller 54 of adjustable diameter, made up of a series of bars 62 between two end disks 59, see Fig. 7, the bars having beveled portions 63 engaged by expanding rings 64 moved in and out by nuts 65 on threaded portions 66 of a bar 67 mounted within the hollow shaft 68.
Patent GB-326302-A (GB)
Title: Improvements in or connected with draught excluders for doors, casement windows and the like
IPC: E06B7/20
Filed: 1929-02-05
Abstract: 326,302. Bush, W. G. Feb. 5, 1929. Draught excluders. - A sliding-bar draught excluder for the bottoms of doors is housed within a casing secured to the face of the door and vertically movable on guided slippery 10 by links 12 and a sliding bar 5 actuated by an adjustable stud 3 adapted to engage the jamb or a plate thereon when the door is closed. The stud 3 which is screwed into the Range 4 of the bar 5 and secured by the lock nut 15 slides in the lug 8 attached to one guide bracket 6. The return spring 9 acts between the lug 8 and flange 4. The excluder may be a rubber tipped wooden strip.
Patent GB-1077591-A (GB)
Title: An electric portable compressor
IPC: F04C23/00
Filed: 1966-01-28
Abstract: 1,077,591. Rotary compressors. D. BONETTI. Jan.28, 1966, No.3958/66. Heading F1F. A combined portable electric motor and compressor driven thereby, for inflating tyres and other inflatable articles, comprises an electric motor (13), Fig.3 3 (not shown) supplied, e.g. from a car battery and a compressor (15) having an eccentric rotor and radially slidable vanes mounted within a body (2) Fig. (not shown) of plastics material formed with a carrying handle (1) and supporting feet (8). The motor is formed with diametrally opposite lugs (14) slidable in complementary grooves in the body (2) and located in the body by a set screw (90). Covers (4), (5) closing the ends of the body and formed with cooling slots also secure end plates closing the ends of the handle.