baber/WOPTO huggingface dataset:
Patent GB-1446341-A (GB)
Title: 15-substituted-omega-pentanorprostaglandins
IPC: C07D333/24
Filed: 1973-07-13
Abstract: 1446341 Silylated prostaglandins PFIZER Inc 13 July 1973 [13 July 1972] 31217/73 Heading C3S [Also in Division C2] 11α,15α - Bis - (dimethylisopropylsilyloxy)- 9 - oxo - 16 - (2 - thienyl) - 17,18,19,20 - tetranor - trans - 13 - prostenoic acid is prepared by hydrogenating 11α,15α - bis - (dimethylisopropylsilyloxy) - 9 - oxo - 16 - (2 - thienyl)- 17,18,19,20 - tetranor - cis - 5, trans - 13- prostadienoic acid, obtained by reacting dimethylisopropyl chlorosilane with 11α,15α- dihydroxy - 9 - oxo - 16 - (2 - thienyl) - 17,18, 19,20 - tetranor - cis - 5 trans - 13 - prostadienoic acid.
Patent GB-465361-A (GB)
Title: Improvements in or relating to upright chamber furnaces
IPC: C10B29/02
Filed: 1935-11-12
Abstract: 465,361. Retort furnaces. KLONNE, M., and HARTMANN, K. Nov. 12, 1935, No. 31257. [Class 51 (ii)] In a vertical retort setting having, in the heating walls, horizontal partitions consisting of header bricks e extending between the walls of adjacent coking chambers, the bricks e are formed with recesses g which provide apertures for the passage of heating gases and extend in a continuous series from the front to the back of the setting, the end bricks i being bonded into silica brickwork p. The bricks are formed with inter-engaging projections and recesses as shown at h. The silica brickwork p is independent of the outer masonry k while, between the outermost heating walls and the refractory pillars r, Figs. 6, 7, there are provided expansion spaces n open at the lower ends To prevent damage to the girder structure s carrying the closure members for the lower ends of the coking chambers, due to expansion of the silica brickwork, the girders s are movably supported, roller supports being preferably employed in large installations.
Patent GB-275844-A (GB)
Title: Improvements in pneumatic apparatus for producing pulsations
IPC: A61H1/00
Filed: 1926-12-09
Abstract: 275,844. Stouffs, L., and Deleu, H. Oct. 30, 1926, [Convention date]. Exercising -apparatus for giving an oscillatory movement to a part of the human body comprises a rubber bag 6 held between a fixed plate 1 and a plate 5 hinged to it and oscillated, the expansion and contraction of the bag being communicated through a second bag to the part to be treated. The initial pressure is produced by a pump 16 through a union provided with a conical air inlet valve opened against a spring by a push on its stem; the pump connection is provided with a similar check valve. The connecting rod by which the plate 5 is oscillated is joined to the plate by a ball and socket joint, and its other end is pivoted to a sleeves 28 on the crank pin 29 of a fly-wheel actuated by a motor 15.
Patent GB-1481423-A (GB)
Title: Centrifugal pump
IPC: F04D29/22
Filed: 1974-07-15
Abstract: 1481423 Centrifugal pumps DE DANSKE MEJERIERS MASKINFABRIK AmbA 15 July 1974 [31 Aug 1973] 31300/74 Heading F1C In a centrifugal pump for milk, the impeller is formed in three parts 12, 13, 14 releasably clamped together by control clamping means including a nut 19 and bosses 16, 18, whereby the impeller can be readily disassembled for cleaning. The parts comprise a front plate 12 fixedly or releasably attached to the boss 16 by pins 15, a back plate 14 and a part 13 defining the vanes. The part 13 has three projections 21 which co-operate with appertures 22 in plate 14. Alternatively, the plates 12, 14 have projections co-operating with apertures in the part 13. The pump housing comprises two parts 1, 2 clamped together by a ring 3. The impeller may be made of titanium.
Patent GB-1393762-A (GB)
Title: Apparatus for discharging pulverulent material from silos or the like
IPC: B65D88/72
Filed: 1972-07-04
Abstract: 1393762 Pneumatic conveyers A ZIMMERMANN 4 July 1972 [17 July 1971] 31318/72 Heading B8A Pulverulent material is discharged from a silo or like pressureless container by a pneumatic suction discharge device comprising an air permeable loosening diaphragm and a valve controlling compressed air pulses, the intervals between pulses being longer than the duration of the pulses. In the figure, compressed air enters the base 4 of a silo through pipe 19 in short pulses separated by relatively long intervals, controlled by a valve (21, Fig. 1, not shown), each pulse causing diaphragm 6 to bulge as shown in dotted lines and loosen the material at the base of the silo. Suction nozzle 10 comprising an outer tube 12 open to atmosphere and an inner tube 11 connected to, e.g. a separator causes material to be sucked up the inner tube 11 along with air sucked through outer tube 12 and inner tube 11 as shown by the arrows, by a suction fan (17, Fig. 1, not shown).
Patent GB-376611-A (GB)
Title: Process and apparatus for the treatment of soda-treated tars and other similar residues of the petroleum industry with a view to the conversion thereof into light products
IPC: B01J8/04
Filed: 1931-11-12
Abstract: In a process for converting soda-treated tars and similar petroleum residues into hydrocarbons of low boiling point as described in Specifications 316,552, 320,287, [both in Class 32, Distilling &c.], 345,496, 345,511, 346,967, and 367,679 in which the tars &c. are first vaporized in contact with porous materials and the vapours then cracked in contact with catalysts, the porous materials and catalysts in the vaporizing and catalytic chambers are washed periodically with water or other suitable solvent maintained in the liquid state.  The washing agent may be admitted and removed by the pipes used for admitting and evacuating the gaseous reagents.
Patent GB-957836-A (GB)
Title: Process for making diazotype copies with the aid of the so-called semi-wet development method
IPC: G03C1/54
Filed: 1960-09-12
Abstract: 957, 836. Developing diazotype films. CHEMISCHE FABRIEK L. VAN DER GRINTEN N.V. Sept. 12, 1960 [Sept. 17, 1959], No. 31362/60. Heading G2C. A process for making diazotype copies comprises exposing and subjecting to development by the semi-wet method one-component diazotype film layers, wherein the one-component diazotype film layers are formed from a hydrophilic colloid which is a hydrolysed cellulose ester or polyvinyl ester, or are formed of cellulose ester film having a hydrolysed surface, and are sensitized with 0. 5-2 millimoles per m<SP>2</SP> of a diazo compound which in vitro has higher coupling activity than p-diazo-ochloro-diethylaniline, and wherein the developing liquid used is one in which the sole or predominant coupling component is phloroglucinol, which contains less than 50 millimoles of phloroglucinol per litre, which has pH between 5. 5 and 8, which owes its buffer capacity at least principally to at least one salt of the group of the alkali metal, magnesium, and ammonium salts of succinic acid, glutaric acid, adipic acid and -methyl adipic acid, and which has a total content of one or more of these buffer salts of at least 150 and at most 650 millimoles per litre. Preferred diazo materials have the formula or where X is an anion; Y is Cl or Br; Z is N-methyl or ethyl-N-cyclohexylamino or -benzylamino, or dibenzylamino; and R 1 , R 2  and R 3  are C 1-3  alkyl. Transparent diazotype materials wherein the above-specified colloid layer is sensitized with diazo materials of the first of the above formulae constitute the subject-matter of Specification 957,838 which is divided out from the present Specificaticn. Specifications 320,603, 471,614 and 726,755 also are referred to.
Patent GB-1141144-A (GB)
Title: Improvements in invalid chairs
Inventor: BEARDSHAW WILLIAM GEORGE ALFRE
IPC: A61G5/08
Filed: 1965-07-23
Abstract: 1,141,144. Invalid chairs. BENCRAFT Ltd. 25 July, 1966 [23 July, 1965], No. 31385/65. Heading B7B. An invalid chair, having arm and foot rests secured to side frames (10) as described in Specification 1,141,145 comprises a collapsible seat (17) supported by two side frames (10) connected together by two linkages for movement towards and away from each other, each linkage comprising two long links 18, 19 and two short links 20, 21 of which each long link, 18 or 19, is pivoted to a rod 24 of a frame (10), and to a short link 20 or 21 which is pivoted at 25 to a member 26 of the other frame (10), the long links 18, 19 being pivoted together at 27 and having toggle means for releasably holding them in the relative position to prevent movement of the frames towards each other; alternatively, in another embodiment (not shown), the long links 18, 19 project upwardly from their pivots on the frames (10) to meet the short links 20, 21 which are made short so as not to interfere with the seat (17). Each toggle means comprises a first arm 28 pivoted at 30 to the long link 19, and at 31 to a second arm 29 which is pivoted at 32 to the long link 18, the overcentre being reached when the arm 29 abuts the pivot 27. A lever 36 is pivoted at 37 to the member 26 and is rotatable by a knob 39 to engage a portion 35 connected to the arm 29 to move the arms to the overcentre position, or to engage its arm 40 to engage the portion 35 to disengage the arms from the overcentre position. The linkages are connected by a rod 33.
Patent GB-375188-A (GB)
Title: Improvements in electrical condensers
IPC: H01G4/30
Filed: 1931-11-13
Abstract: 375,188. Condensers. SIEMENSSCHUCKERTWERKE AKT.-GES., Siemensstadt, Berlin. Nov. 13, 1931, No. 31473. Convention date, Dec. 3, 1930. [Class 38 (ii).] Each clamp-bolt for holding together the plates 1 of a condenser has portions 6 of porcelain. The cap 5 may be of metal or of porcelain. In one modification a metal rod is held in porcelain cups, and in another metal caps are cemented to the ends of a porcelain rod.
Patent GB-500449-A (GB)
Title: Improved vending mechanism
IPC: G07F11/52
Filed: 1937-11-16
Abstract: 500,449. Coin-freed article-delivery apparatus. BENSEMANN, E. H. T. Nov. 16, 1937, No. 31517. Convention date, Nov. 20, 1936. [Class 27] A coin-freed machine for vending round articles, such as apples oranges, &c., comprises a drum G, rotatable on an horizontal axis E<1> under the contro of coin-freed mechan ism, a ring of trays K, each pivoted at M being disposed around the periphery of the drum and spaced apart sufficiently to provide pockets for the reception of the articles. A casing E having a discharge opening F surrounds the drum, the outer ends of the trays contacting with this casing. The trays in their passage one by one across the opening. F tip outwards and downwards to discharge their contents through the opening and down a shoot D<1> to a delivery tray D projecting through an opening C in the door B of an enclosing box A. Several rings of trays K, pivoted between parallel division plates H on the surface of the drum, may be employed, the trays being so disposed that -they are tipped one from each ring in succession. This is effected by arranging the trays of the several rings so that they form rows extending at an incline across the face of the drum. Alternatively the trays may be arranged in rows parallel to the'axis F<1> and the upper edge N of the opening F formed at an incline. The Specification as open - to inspection under Sect. 91, comprises also a drum rotating in an horizontal plane about a vertical axis, each tray tipping outwardly when it comes opposite an opening in a surrounding casing. Also the trays may be carried by an endless band passing over two wheels spaced apart. This subject-matter does not appear in the Specification as accepted.
Patent GB-210905-A (GB)
Title: Improvements in or relating to apparatus for notching or punching core plates for dynamo electric machines and the like
IPC: B21D28/22
Filed: 1922-11-20
Abstract: 210,905. Cooper, A. E., and Jones, C. Nov. 20, 1922. Dynamo-electric machines. - A quadrantal dividing-plate a, Fig. 7, for use in machines for notching or punching core plates w for dynamo-electric machines &c., is attached to pivoted arms r to form the work carrier. The divisions e - - k, Fig. 3, may be marked off and cut in one section of the plate a and then the divisions in the other section or sections may be notched out by a cutter m using the notches e - - k and a locating finger l for indexing. The pivot q of the arms r is adjustable along a slot o in a table n of a machine, for example as described in Specification 199,756, having a punching head p and an index and feed mechanism 1 adjustably mounted in slots o'. The work w is held by clamps v on plates u, t adjustably secured by bolts and slots r<1> in the bars r. Instead of duplicating the indexing divisions in the plate the index finger and feed mechanism may be duplicated.
Patent GB-604077-A (GB)
Title: Improvements in and relating to vibration translating devices
IPC: H04R21/04
Filed: 1945-11-23
Abstract: 604,077. Gramophone pick-ups. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 23, 1945, No. 31655. Convention date, Nov. 28, 1944. [Class 40 (iv)] [Also in Group XXXVIII] In a gramophone pick-up, voltage variations in a transformer 19 are generated by a stylusarm 9 which during vibrations of the stylus varies the tension and electrical resistance of a wire 14, the centre point of which is attached to the stylus-arm 9, and the tension of which is maintained by springs 15. The wire 14 may be coiled round posts 16 to prevent vibration or movement of the entire length of the wire 14 between the springs 15, or may be attached to spring-loaded plungers packed with a viscous lubricant as illustrated in Fig. 5 (not shown). Other constructions are described and illustrated in Figs. 9 to 14 inclusive (not shown) in which the wire is embedded in a resilient material and is subject to alternate compression and tension. In the constructions shown in Figs. 10 to 14 inclusive (not shown) the stylus is mounted in a vertical pivot-member 57 or 71 which is mounted in a horizontal pivot-member 51 or 64, and the movement of the said pivotmembers is damped by a viscous substance.
Patent GB-823727-A (GB)
Title: Improvements in or relating to conveyor installations
Inventor: ORWIN OLAF JOHN BARCLAY
IPC: B61B10/02
Filed: 1956-10-18
Abstract: 823,727. Overhead conveyers. FISHER & LUDLOW Ltd. Oct. 15, 1957 [Oct. 18, 1956], No. 31698/56. Addition to 819,343. Class104 (2). In a modification of the invention described in the parent Specification each actuating element 32a or 32b is mechanically connected to its associated disengaging element 31a, 31b or 31c by a spindle 34 provided with a flat abutment surface 34a against which surface 34a a pair of screws 8 are arranged to bear on opposite sides of the spindle axis to effect precise angular adjustment of the associated actuating element 32a or 32b or disengaging element 31a, 31b or 31c. The flat 34a may extend along the whole length of the spindle 34 or may be provided only at the points in the vicinity of the screws 8. Each screw 8 is provided at its inner end with a circular rib 8a, Fig. 4.
Patent GB-410467-A (GB)
Title: Improvements in lift or poppet and like valves
IPC: F01L3/02
Filed: 1932-11-10
Abstract: 410,467. Valves. BIRKIN, C., and RUSTON & HORNSBY, Ltd., Sheaf Iron Works, Waterside South, Lincoln. Nov. 10, 1932, No. 31728. [Class 7 (vi).] To deaden the shock and noise caused by the closing of poppet or like valves of internal - combustion engines, compressors, &c., the valve head is provided with one or more layers of shock-absorbing material inserted therein so as to extend inwardly from the periphery of the head. Fig. 1 shows a valve head formed by stamping, with the lower portion b bent downwards as indicated in dotted lines, so that the shock-absorbing material i may be placed thereon, after which the part b is pressed upwards as shown in full lines, a flange d enclosing the filling i. In a modification, the filling may be inserted into a slot cut in a solid valve head. The shockabsorbing material may be copper, white metal, asbestos, or, in valves not subjected to great heat, fibre. The copper may be deposited electrolytically. A plurality of annular pieces of shock-absorbing material of varying diameter nested together may be used.
Patent GB-428692-A (GB)
Title: Improvements in and relating to closure means for cans and like containers
IPC: B65D51/18
Filed: 1933-11-14
Abstract: 428,692. Can closures. FARWIG & CO., Ltd., J. F., and FORSYTH, A., 3A, Upper Thames Street, London. Nov. 14, 1933, Nos. 31765/33 and 29960/34. [Class 125 (iii)] [See also Group XXII] A closure for a can or like container having a circular opening comprises in combination a container 20, Fig. 1, having an unobstructed opening 22 and a flat lever lid, formed from a single piece of material, having a diaphragm 26 and a set-up flange, the flange including a cylindrical part 27 of greater diameter than the rest of the lid and adapted to engage tightly within the internally cylindrical part 22 of the container, and means adapted to be engaged by a lever tool at the edge of the flange remote from the diaphragm. The part 22 has a very slight taper converging inwardly to grip the lid. The lever lid comprises the diaphragm 26 and the upstanding flange, an annular groove 28 and a sloping rim 29 beneath which a lever tool may be inserted for extracting the lid. If the lid is inserted upside down the upper shoulder of the part 27 will seat on the projection 24 instead of the lower edge 27a while the levering tool will engage the rim 30. A flat cover plate 31 may be placed over the lid and the free edge 32 rolled over the bead 23. It may be lined with paper or the like to make an airtight seal. The lid is formed by pressing a blank to cup shape, Fig. 8, then pressing the cup inside out to form the reverse bend 41, the inner wall 40 and the new right angle bend 42, Fig. 9. The shoulder 44 and heading 29 are then formed and finally the rim 30, Fig. 12. If desired the free edge 27a may be rolled in as at Fig. 13, before the formation of the rim 30, while the sloping rim 29 may be further rolled to give a symmetrical groove 28<a>, Fig. 14. An alternative and simpler form of lid is made by pressing a blank to cup shape, and then successively pressing a reduced part 33 and a bulge 36, Fig. 4, a rim 37, bead 38, and the flat 36a on the bulge 36, Fig. 7.
Patent GB-853026-A (GB)
Title: Improvements in and relating to control gear for electric discharge lamps
Inventor: CHAPMAN DONALD FREDERICK
IPC: H01F27/40
Filed: 1956-10-18
Abstract: 853,026. Transformers. THORN ELECTRICAL INDUSTRIES Ltd. Oct. 15, 1957 [Oct. 18, 1956], No. 31776/56. Class 38 (2). A ballast assembly for an electric discharge device comprises a tubular metal box having an inductor or transformer 19 and a capacitor 27 stationed at opposite ends and separated by an air space or heatinsulating material 25 forming a heat barrier. The box comprises a base 10 having upwardly tuned edges 11 to which is spotwelded a U-shaped upper part 12. The inductive element 19 is first inserted in the casing, then varnish impregnated and stoved, and its leads 21 are connected to terminals on an insulating panel carried by a closure member 14 formed integrally with part 12. The closure member is then bent down and secured, heat-insulating plate 25 and capacitor 27 are inserted in the open end which is then closed by member 14<SP>1</SP>, after the capacitor leads 21<SP>1</SP> have been connected to terminals 22<SP>1</SP>. The components are located in position by tabs 18, 28 pressed in from the tube sides.
Patent GB-410023-A (GB)
Title: Improvements in or relating to television and like apparatus
IPC: H04N3/04
Filed: 1933-11-15
Abstract: 410,023. Television. FERNSEH AKT.- GES., Goerzallee, Zehlendorf, Berlin. Nov. 15, 1933, No. 31825. Convention date, Nov. 18, 1932. [Class 40 (iii).] In a rotary scanning device having mirrors, lenses or apertures, the space between the periphery and the boss is perforated so that the spokes effective in driving the device are in a state of tension during rotation. Fig. 2 illustrates a disc designed for rotation in the direction of the arrow, and Fig. 3 a disc for rotation in either direction, it being stated that spokes a<2>, b<2> have practically no effect when the disc is being accelerated in a clockwise direction.
Patent GB-1188243-A (GB)
Title: Method of Dyeing Metal-Modified Polyolefin Fibres with a Monoazo Dye
Inventor: HOSODA YUTAKA
IPC: D06P3/79
Filed: 1968-07-04
Abstract: 1,188,243. Dyeing metal-modified polyolefins. MITSUI TOATSU CHEMICALS Inc. 4 July, 1968, No. 31911/68. Heading D1B. [Also in Division C4] Metal modified polyolefins e.g. aluminium modified polypropylene are dyed by treating with a dye of formula I: in presence of a dispersing agent at the boil. Nickel or zinc modified polyolefins may be dyed,
Patent GB-137816-A (GB)
Title: An improved sparking plug for internal combustion engines
IPC: H01T13/16
Filed: 1919-12-20
Abstract: 137,816. Chasseraux, E. Jan. 14, 1919, [Convention date]. Sparking-plugs. -The central electrode f and its surrounding mica washers D are removably secured within the casing A by means of a gland E which screws within the outer end of the casing and presses on a flange b<2> carried by a sleeve B. At its inner end, this sleeve is of larger diameter, fitting within the casing, the insulation D having portions f, h<1> which are clamped between a shoulder a<5> in the casing and the inner surface of the larger part of the sleeve B. Insulation C is pressed again the outer end of the ring B by means of a nut e on the electrode f. Vents a<3>, b<5> are formed in the casing A, nut E, and ring B, respectively.
Patent GB-230568-A (GB)
Title: Improvements in and connected with the rear hubs of motor and other cycles
IPC: B62L5/00
Filed: 1923-12-21
Abstract: 230,568. Sheppee Motor Co., Ltd., and Jowitt, S G Dec. 21, 1923. Back-pedalling brake and free-wheel arrangements.-Backward rotation of the sprocket-wheel f, of the rear-wheel hub of a motor or other cycle, causes an arm g to move in the same direction and actuate, through a rod j or a Bowden wire, a rim or other brake outside the hub or the clutch-operating member of a gear box. The hub mechanism comprises an internally-threaded sleeve c which, on forward rotation of the sprocket-wheel f, moves to the right and clutches with the hub at h; on reversing the sprocketwheel f the sleeve moves to the left and engages a conical surface on a member e carrying the arm g. The application of the invention to a variable-speed hub is also described.